id	sid	tid	token	lemma	pos
ap-9380	1	1	acta	acta	PROPN
ap-9380	1	2	polytechnica	polytechnica	PROPN
ap-9380	1	3	https://doi.org/10.14311/ap.2025.65.0167	https://doi.org/10.14311/ap.2025.65.0167	PROPN
ap-9380	1	4	acta	acta	PROPN
ap-9380	1	5	polytechnica	polytechnica	PROPN
ap-9380	1	6	65(2):167–176	65(2):167–176	PROPN
ap-9380	1	7	,	,	PUNCT
ap-9380	1	8	2025	2025	NUM
ap-9380	1	9	©	©	ADP
ap-9380	1	10	2025	2025	NUM
ap-9380	1	11	the	the	DET
ap-9380	1	12	author(s	author(s	NOUN
ap-9380	1	13	)	)	PUNCT
ap-9380	1	14	.	.	PUNCT
ap-9380	2	1	licensed	license	VERB
ap-9380	2	2	under	under	ADP
ap-9380	2	3	a	a	DET
ap-9380	2	4	cc	cc	NOUN
ap-9380	2	5	-	-	PUNCT
ap-9380	2	6	by	by	ADP
ap-9380	2	7	4.0	4.0	NUM
ap-9380	2	8	licence	licence	NOUN
ap-9380	2	9	published	publish	VERB
ap-9380	2	10	by	by	ADP
ap-9380	2	11	the	the	DET
ap-9380	2	12	czech	czech	PROPN
ap-9380	2	13	technical	technical	PROPN
ap-9380	2	14	university	university	PROPN
ap-9380	2	15	in	in	ADP
ap-9380	2	16	prague	prague	PROPN
ap-9380	2	17	a	a	DET
ap-9380	2	18	novel	novel	ADJ
ap-9380	2	19	approach	approach	NOUN
ap-9380	2	20	to	to	PART
ap-9380	2	21	feature	feature	VERB
ap-9380	2	22	extraction	extraction	NOUN
ap-9380	2	23	from	from	ADP
ap-9380	2	24	gear	gear	NOUN
ap-9380	2	25	condition	condition	NOUN
ap-9380	2	26	monitoring	monitoring	NOUN
ap-9380	2	27	signals	signal	VERB
ap-9380	2	28	lina	lina	PROPN
ap-9380	2	29	bouhafsa,∗	bouhafsa,∗	PROPN
ap-9380	2	30	,	,	PUNCT
ap-9380	2	31	salah	salah	PROPN
ap-9380	2	32	tamalouzta	tamalouzta	PROPN
ap-9380	2	33	,	,	PUNCT
ap-9380	2	34	ahcene	ahcene	VERB
ap-9380	2	35	bouzidab	bouzidab	NOUN
ap-9380	2	36	a	a	DET
ap-9380	2	37	université	université	PROPN
ap-9380	2	38	de	de	X
ap-9380	2	39	bejaia	bejaia	PROPN
ap-9380	2	40	,	,	PUNCT
ap-9380	2	41	faculté	faculté	PROPN
ap-9380	2	42	de	de	X
ap-9380	2	43	technologie	technologie	PROPN
ap-9380	2	44	,	,	PUNCT
ap-9380	2	45	laboratoire	laboratoire	PROPN
ap-9380	2	46	de	de	X
ap-9380	2	47	technologie	technologie	PROPN
ap-9380	2	48	industrielle	industrielle	PROPN
ap-9380	2	49	et	et	PROPN
ap-9380	2	50	de	de	PROPN
ap-9380	2	51	l’information	l’information	PROPN
ap-9380	2	52	(	(	PUNCT
ap-9380	2	53	ltii	ltii	PROPN
ap-9380	2	54	)	)	PUNCT
ap-9380	2	55	,	,	PUNCT
ap-9380	2	56	06000	06000	NUM
ap-9380	2	57	bejaia	bejaia	NOUN
ap-9380	2	58	,	,	PUNCT
ap-9380	2	59	algérie	algérie	PROPN
ap-9380	2	60	b	b	PROPN
ap-9380	2	61	université	université	PROPN
ap-9380	2	62	de	de	PROPN
ap-9380	2	63	bouira	bouira	PROPN
ap-9380	2	64	,	,	PUNCT
ap-9380	2	65	faculté	faculté	PROPN
ap-9380	2	66	des	des	PROPN
ap-9380	2	67	sciences	sciences	PROPN
ap-9380	2	68	et	et	PROPN
ap-9380	2	69	des	des	PROPN
ap-9380	2	70	sciences	sciences	PROPN
ap-9380	2	71	appliquées	appliquées	PROPN
ap-9380	2	72	,	,	PUNCT
ap-9380	2	73	département	département	PROPN
ap-9380	2	74	de	de	X
ap-9380	2	75	génie	génie	X
ap-9380	2	76	electrique	electrique	PROPN
ap-9380	2	77	,	,	PUNCT
ap-9380	2	78	10000	10000	NUM
ap-9380	2	79	bouira	bouira	NOUN
ap-9380	2	80	,	,	PUNCT
ap-9380	2	81	algérie	algérie	ADJ
ap-9380	2	82	∗	∗	NOUN
ap-9380	2	83	corresponding	correspond	VERB
ap-9380	2	84	author	author	NOUN
ap-9380	2	85	:	:	PUNCT
ap-9380	2	86	lina.bouhafs@univ-bejaia.dz	lina.bouhafs@univ-bejaia.dz	PROPN
ap-9380	2	87	abstract	abstract	NOUN
ap-9380	2	88	.	.	PUNCT
ap-9380	3	1	extracting	extract	VERB
ap-9380	3	2	features	feature	NOUN
ap-9380	3	3	from	from	ADP
ap-9380	3	4	condition	condition	NOUN
ap-9380	3	5	monitoring	monitoring	NOUN
ap-9380	3	6	signals	signal	NOUN
ap-9380	3	7	of	of	ADP
ap-9380	3	8	rotating	rotate	VERB
ap-9380	3	9	machines	machine	NOUN
ap-9380	3	10	is	be	AUX
ap-9380	3	11	challenging	challenge	VERB
ap-9380	3	12	,	,	PUNCT
ap-9380	3	13	primarily	primarily	ADV
ap-9380	3	14	due	due	ADP
ap-9380	3	15	to	to	ADP
ap-9380	3	16	the	the	DET
ap-9380	3	17	many	many	ADJ
ap-9380	3	18	potential	potential	ADJ
ap-9380	3	19	sources	source	NOUN
ap-9380	3	20	of	of	ADP
ap-9380	3	21	noise	noise	NOUN
ap-9380	3	22	and	and	CCONJ
ap-9380	3	23	interference	interference	NOUN
ap-9380	3	24	that	that	PRON
ap-9380	3	25	can	can	AUX
ap-9380	3	26	corrupt	corrupt	VERB
ap-9380	3	27	the	the	DET
ap-9380	3	28	signals	signal	NOUN
ap-9380	3	29	.	.	PUNCT
ap-9380	4	1	additionally	additionally	ADV
ap-9380	4	2	,	,	PUNCT
ap-9380	4	3	these	these	DET
ap-9380	4	4	signals	signal	NOUN
ap-9380	4	5	can	can	AUX
ap-9380	4	6	vary	vary	VERB
ap-9380	4	7	significantly	significantly	ADV
ap-9380	4	8	depending	depend	VERB
ap-9380	4	9	on	on	ADP
ap-9380	4	10	the	the	DET
ap-9380	4	11	operating	operating	NOUN
ap-9380	4	12	conditions	condition	NOUN
ap-9380	4	13	of	of	ADP
ap-9380	4	14	the	the	DET
ap-9380	4	15	machine	machine	NOUN
ap-9380	4	16	,	,	PUNCT
ap-9380	4	17	making	make	VERB
ap-9380	4	18	it	it	PRON
ap-9380	4	19	difficult	difficult	ADJ
ap-9380	4	20	to	to	PART
ap-9380	4	21	develop	develop	VERB
ap-9380	4	22	consistent	consistent	ADJ
ap-9380	4	23	diagnostic	diagnostic	ADJ
ap-9380	4	24	methods	method	NOUN
ap-9380	4	25	.	.	PUNCT
ap-9380	5	1	however	however	ADV
ap-9380	5	2	,	,	PUNCT
ap-9380	5	3	an	an	DET
ap-9380	5	4	effective	effective	ADJ
ap-9380	5	5	feature	feature	NOUN
ap-9380	5	6	extraction	extraction	NOUN
ap-9380	5	7	remains	remain	VERB
ap-9380	5	8	crucial	crucial	ADJ
ap-9380	5	9	for	for	ADP
ap-9380	5	10	proper	proper	ADJ
ap-9380	5	11	maintenance	maintenance	NOUN
ap-9380	5	12	scheduling	scheduling	NOUN
ap-9380	5	13	and	and	CCONJ
ap-9380	5	14	for	for	ADP
ap-9380	5	15	preventing	prevent	VERB
ap-9380	5	16	unexpected	unexpected	ADJ
ap-9380	5	17	machine	machine	NOUN
ap-9380	5	18	breakdowns	breakdown	NOUN
ap-9380	5	19	,	,	PUNCT
ap-9380	5	20	which	which	PRON
ap-9380	5	21	can	can	AUX
ap-9380	5	22	result	result	VERB
ap-9380	5	23	in	in	ADP
ap-9380	5	24	costly	costly	ADJ
ap-9380	5	25	repairs	repair	NOUN
ap-9380	5	26	and	and	CCONJ
ap-9380	5	27	operational	operational	ADJ
ap-9380	5	28	disruptions	disruption	NOUN
ap-9380	5	29	.	.	PUNCT
ap-9380	6	1	gear	gear	NOUN
ap-9380	6	2	faults	fault	NOUN
ap-9380	6	3	,	,	PUNCT
ap-9380	6	4	if	if	SCONJ
ap-9380	6	5	left	leave	VERB
ap-9380	6	6	unchecked	unchecked	ADJ
ap-9380	6	7	,	,	PUNCT
ap-9380	6	8	can	can	AUX
ap-9380	6	9	be	be	AUX
ap-9380	6	10	extremely	extremely	ADV
ap-9380	6	11	dangerous	dangerous	ADJ
ap-9380	6	12	,	,	PUNCT
ap-9380	6	13	particularly	particularly	ADV
ap-9380	6	14	in	in	ADP
ap-9380	6	15	critical	critical	ADJ
ap-9380	6	16	applications	application	NOUN
ap-9380	6	17	such	such	ADJ
ap-9380	6	18	as	as	ADP
ap-9380	6	19	wind	wind	NOUN
ap-9380	6	20	turbines	turbine	NOUN
ap-9380	6	21	,	,	PUNCT
ap-9380	6	22	where	where	SCONJ
ap-9380	6	23	a	a	DET
ap-9380	6	24	failure	failure	NOUN
ap-9380	6	25	can	can	AUX
ap-9380	6	26	lead	lead	VERB
ap-9380	6	27	to	to	ADP
ap-9380	6	28	significant	significant	ADJ
ap-9380	6	29	operational	operational	ADJ
ap-9380	6	30	losses	loss	NOUN
ap-9380	6	31	.	.	PUNCT
ap-9380	7	1	vibration	vibration	NOUN
ap-9380	7	2	signals	signal	NOUN
ap-9380	7	3	from	from	ADP
ap-9380	7	4	machinery	machinery	NOUN
ap-9380	7	5	are	be	AUX
ap-9380	7	6	often	often	ADV
ap-9380	7	7	complex	complex	ADJ
ap-9380	7	8	,	,	PUNCT
ap-9380	7	9	consisting	consist	VERB
ap-9380	7	10	of	of	ADP
ap-9380	7	11	many	many	ADJ
ap-9380	7	12	different	different	ADJ
ap-9380	7	13	components	component	NOUN
ap-9380	7	14	,	,	PUNCT
ap-9380	7	15	making	make	VERB
ap-9380	7	16	it	it	PRON
ap-9380	7	17	challenging	challenging	ADJ
ap-9380	7	18	to	to	PART
ap-9380	7	19	isolate	isolate	VERB
ap-9380	7	20	the	the	DET
ap-9380	7	21	fault	fault	NOUN
ap-9380	7	22	-	-	PUNCT
ap-9380	7	23	related	relate	VERB
ap-9380	7	24	features	feature	NOUN
ap-9380	7	25	from	from	ADP
ap-9380	7	26	the	the	DET
ap-9380	7	27	noise	noise	NOUN
ap-9380	7	28	.	.	PUNCT
ap-9380	8	1	in	in	ADP
ap-9380	8	2	this	this	DET
ap-9380	8	3	paper	paper	NOUN
ap-9380	8	4	,	,	PUNCT
ap-9380	8	5	an	an	DET
ap-9380	8	6	envelope	envelope	NOUN
ap-9380	8	7	-	-	PUNCT
ap-9380	8	8	derivative	derivative	ADJ
ap-9380	8	9	operator	operator	NOUN
ap-9380	8	10	(	(	PUNCT
ap-9380	8	11	edo	edo	PROPN
ap-9380	8	12	)	)	PUNCT
ap-9380	8	13	is	be	AUX
ap-9380	8	14	proposed	propose	VERB
ap-9380	8	15	to	to	PART
ap-9380	8	16	overcome	overcome	VERB
ap-9380	8	17	these	these	DET
ap-9380	8	18	challenges	challenge	NOUN
ap-9380	8	19	by	by	ADP
ap-9380	8	20	achieving	achieve	VERB
ap-9380	8	21	a	a	DET
ap-9380	8	22	balance	balance	NOUN
ap-9380	8	23	between	between	ADP
ap-9380	8	24	the	the	DET
ap-9380	8	25	signal	signal	ADJ
ap-9380	8	26	amplitude	amplitude	NOUN
ap-9380	8	27	and	and	CCONJ
ap-9380	8	28	frequency	frequency	NOUN
ap-9380	8	29	.	.	PUNCT
ap-9380	9	1	the	the	DET
ap-9380	9	2	edo	edo	PROPN
ap-9380	9	3	measures	measure	VERB
ap-9380	9	4	the	the	DET
ap-9380	9	5	rate	rate	NOUN
ap-9380	9	6	of	of	ADP
ap-9380	9	7	change	change	NOUN
ap-9380	9	8	of	of	ADP
ap-9380	9	9	the	the	DET
ap-9380	9	10	envelope	envelope	NOUN
ap-9380	9	11	,	,	PUNCT
ap-9380	9	12	which	which	PRON
ap-9380	9	13	is	be	AUX
ap-9380	9	14	useful	useful	ADJ
ap-9380	9	15	in	in	ADP
ap-9380	9	16	detecting	detect	VERB
ap-9380	9	17	shifts	shift	NOUN
ap-9380	9	18	in	in	ADP
ap-9380	9	19	both	both	CCONJ
ap-9380	9	20	the	the	DET
ap-9380	9	21	amplitude	amplitude	NOUN
ap-9380	9	22	and	and	CCONJ
ap-9380	9	23	the	the	DET
ap-9380	9	24	frequency	frequency	NOUN
ap-9380	9	25	of	of	ADP
ap-9380	9	26	the	the	DET
ap-9380	9	27	signal	signal	NOUN
ap-9380	9	28	.	.	PUNCT
ap-9380	10	1	to	to	PART
ap-9380	10	2	identify	identify	VERB
ap-9380	10	3	the	the	DET
ap-9380	10	4	impulsive	impulsive	ADJ
ap-9380	10	5	-	-	PUNCT
ap-9380	10	6	like	like	ADJ
ap-9380	10	7	behaviour	behaviour	NOUN
ap-9380	10	8	often	often	ADV
ap-9380	10	9	associated	associate	VERB
ap-9380	10	10	with	with	ADP
ap-9380	10	11	gear	gear	NOUN
ap-9380	10	12	faults	fault	NOUN
ap-9380	10	13	,	,	PUNCT
ap-9380	10	14	the	the	DET
ap-9380	10	15	edo	edo	PROPN
ap-9380	10	16	analyses	analyse	VERB
ap-9380	10	17	the	the	DET
ap-9380	10	18	energy	energy	NOUN
ap-9380	10	19	content	content	NOUN
ap-9380	10	20	of	of	ADP
ap-9380	10	21	the	the	DET
ap-9380	10	22	signal	signal	NOUN
ap-9380	10	23	in	in	ADP
ap-9380	10	24	both	both	CCONJ
ap-9380	10	25	the	the	DET
ap-9380	10	26	time	time	NOUN
ap-9380	10	27	and	and	CCONJ
ap-9380	10	28	frequency	frequency	NOUN
ap-9380	10	29	domains	domain	NOUN
ap-9380	10	30	.	.	PUNCT
ap-9380	11	1	by	by	ADP
ap-9380	11	2	isolating	isolate	VERB
ap-9380	11	3	the	the	DET
ap-9380	11	4	fault	fault	NOUN
ap-9380	11	5	-	-	PUNCT
ap-9380	11	6	related	relate	VERB
ap-9380	11	7	components	component	NOUN
ap-9380	11	8	and	and	CCONJ
ap-9380	11	9	filtering	filter	VERB
ap-9380	11	10	out	out	ADP
ap-9380	11	11	irrelevant	irrelevant	ADJ
ap-9380	11	12	noise	noise	NOUN
ap-9380	11	13	,	,	PUNCT
ap-9380	11	14	the	the	DET
ap-9380	11	15	proposed	propose	VERB
ap-9380	11	16	operator	operator	NOUN
ap-9380	11	17	shows	show	VERB
ap-9380	11	18	high	high	ADJ
ap-9380	11	19	efficiency	efficiency	NOUN
ap-9380	11	20	in	in	ADP
ap-9380	11	21	diagnosing	diagnose	VERB
ap-9380	11	22	gear	gear	NOUN
ap-9380	11	23	faults	fault	NOUN
ap-9380	11	24	under	under	ADP
ap-9380	11	25	various	various	ADJ
ap-9380	11	26	experimental	experimental	ADJ
ap-9380	11	27	conditions	condition	NOUN
ap-9380	11	28	,	,	PUNCT
ap-9380	11	29	with	with	ADP
ap-9380	11	30	no	no	DET
ap-9380	11	31	data	datum	NOUN
ap-9380	11	32	fitting	fitting	ADJ
ap-9380	11	33	required	require	VERB
ap-9380	11	34	and	and	CCONJ
ap-9380	11	35	minimal	minimal	ADJ
ap-9380	11	36	computational	computational	ADJ
ap-9380	11	37	resources	resource	NOUN
ap-9380	11	38	.	.	PUNCT
ap-9380	12	1	in	in	ADP
ap-9380	12	2	addition	addition	NOUN
ap-9380	12	3	,	,	PUNCT
ap-9380	12	4	the	the	DET
ap-9380	12	5	non	non	ADJ
ap-9380	12	6	-	-	ADJ
ap-9380	12	7	destructive	destructive	ADJ
ap-9380	12	8	nature	nature	NOUN
ap-9380	12	9	of	of	ADP
ap-9380	12	10	this	this	DET
ap-9380	12	11	method	method	NOUN
ap-9380	12	12	can	can	AUX
ap-9380	12	13	significantly	significantly	ADV
ap-9380	12	14	reduce	reduce	VERB
ap-9380	12	15	downtime	downtime	NOUN
ap-9380	12	16	and	and	CCONJ
ap-9380	12	17	associated	associated	ADJ
ap-9380	12	18	maintenance	maintenance	NOUN
ap-9380	12	19	costs	cost	NOUN
ap-9380	12	20	,	,	PUNCT
ap-9380	12	21	making	make	VERB
ap-9380	12	22	it	it	PRON
ap-9380	12	23	an	an	DET
ap-9380	12	24	ideal	ideal	ADJ
ap-9380	12	25	tool	tool	NOUN
ap-9380	12	26	for	for	ADP
ap-9380	12	27	real	real	ADJ
ap-9380	12	28	-	-	PUNCT
ap-9380	12	29	time	time	NOUN
ap-9380	12	30	fault	fault	NOUN
ap-9380	12	31	detection	detection	NOUN
ap-9380	12	32	in	in	ADP
ap-9380	12	33	rotating	rotate	VERB
ap-9380	12	34	machinery	machinery	NOUN
ap-9380	12	35	.	.	PUNCT
ap-9380	13	1	keywords	keyword	NOUN
ap-9380	13	2	:	:	PUNCT
ap-9380	13	3	condition	condition	NOUN
ap-9380	13	4	monitoring	monitoring	NOUN
ap-9380	13	5	,	,	PUNCT
ap-9380	13	6	feature	feature	NOUN
ap-9380	13	7	extraction	extraction	NOUN
ap-9380	13	8	,	,	PUNCT
ap-9380	13	9	envelope	envelope	NOUN
ap-9380	13	10	-	-	PUNCT
ap-9380	13	11	derivative	derivative	ADJ
ap-9380	13	12	operator	operator	NOUN
ap-9380	13	13	,	,	PUNCT
ap-9380	13	14	gear	gear	NOUN
ap-9380	13	15	faults	fault	NOUN
ap-9380	13	16	,	,	PUNCT
ap-9380	13	17	vibration	vibration	NOUN
ap-9380	13	18	.	.	PUNCT
ap-9380	14	1	1	1	X
ap-9380	14	2	.	.	X
ap-9380	14	3	introduction	introduction	NOUN
ap-9380	14	4	gearboxes	gearbox	NOUN
ap-9380	14	5	are	be	AUX
ap-9380	14	6	among	among	ADP
ap-9380	14	7	the	the	DET
ap-9380	14	8	most	most	ADV
ap-9380	14	9	common	common	ADJ
ap-9380	14	10	mechanisms	mechanism	NOUN
ap-9380	14	11	for	for	ADP
ap-9380	14	12	power	power	NOUN
ap-9380	14	13	transmission	transmission	NOUN
ap-9380	14	14	in	in	ADP
ap-9380	14	15	rotating	rotate	VERB
ap-9380	14	16	machinery	machinery	NOUN
ap-9380	14	17	due	due	ADP
ap-9380	14	18	to	to	ADP
ap-9380	14	19	their	their	PRON
ap-9380	14	20	high	high	ADJ
ap-9380	14	21	power	power	NOUN
ap-9380	14	22	-	-	PUNCT
ap-9380	14	23	to	to	ADP
ap-9380	14	24	-	-	PUNCT
ap-9380	14	25	weight	weight	NOUN
ap-9380	14	26	ratio	ratio	NOUN
ap-9380	14	27	,	,	PUNCT
ap-9380	14	28	reduced	reduce	VERB
ap-9380	14	29	cost	cost	NOUN
ap-9380	14	30	,	,	PUNCT
ap-9380	14	31	and	and	CCONJ
ap-9380	14	32	high	high	ADJ
ap-9380	14	33	reliability	reliability	NOUN
ap-9380	14	34	.	.	PUNCT
ap-9380	15	1	due	due	ADP
ap-9380	15	2	to	to	ADP
ap-9380	15	3	the	the	DET
ap-9380	15	4	essential	essential	ADJ
ap-9380	15	5	role	role	NOUN
ap-9380	15	6	of	of	ADP
ap-9380	15	7	the	the	DET
ap-9380	15	8	gearbox	gearbox	NOUN
ap-9380	15	9	,	,	PUNCT
ap-9380	15	10	gear	gear	NOUN
ap-9380	15	11	deterioration	deterioration	NOUN
ap-9380	15	12	can	can	AUX
ap-9380	15	13	reduce	reduce	VERB
ap-9380	15	14	efficiency	efficiency	NOUN
ap-9380	15	15	and	and	CCONJ
ap-9380	15	16	cause	cause	VERB
ap-9380	15	17	production	production	NOUN
ap-9380	15	18	disruptions	disruption	NOUN
ap-9380	15	19	.	.	PUNCT
ap-9380	16	1	as	as	ADP
ap-9380	16	2	a	a	DET
ap-9380	16	3	result	result	NOUN
ap-9380	16	4	,	,	PUNCT
ap-9380	16	5	identifying	identify	VERB
ap-9380	16	6	gearbox	gearbox	NOUN
ap-9380	16	7	failures	failure	NOUN
ap-9380	16	8	early	early	ADV
ap-9380	16	9	is	be	AUX
ap-9380	16	10	critical	critical	ADJ
ap-9380	16	11	to	to	PART
ap-9380	16	12	prevent	prevent	VERB
ap-9380	16	13	abnormal	abnormal	ADJ
ap-9380	16	14	system	system	NOUN
ap-9380	16	15	operation	operation	NOUN
ap-9380	16	16	and	and	CCONJ
ap-9380	16	17	minimising	minimise	VERB
ap-9380	16	18	financial	financial	ADJ
ap-9380	16	19	losses	loss	NOUN
ap-9380	16	20	from	from	ADP
ap-9380	16	21	damage	damage	NOUN
ap-9380	16	22	[	[	X
ap-9380	16	23	1	1	NUM
ap-9380	16	24	]	]	PUNCT
ap-9380	16	25	.	.	PUNCT
ap-9380	17	1	during	during	ADP
ap-9380	17	2	recent	recent	ADJ
ap-9380	17	3	years	year	NOUN
ap-9380	17	4	,	,	PUNCT
ap-9380	17	5	the	the	DET
ap-9380	17	6	demand	demand	NOUN
ap-9380	17	7	for	for	ADP
ap-9380	17	8	fault	fault	NOUN
ap-9380	17	9	diagnosis	diagnosis	NOUN
ap-9380	17	10	methods	method	NOUN
ap-9380	17	11	based	base	VERB
ap-9380	17	12	on	on	ADP
ap-9380	17	13	vibration	vibration	NOUN
ap-9380	17	14	data	datum	NOUN
ap-9380	17	15	analysis	analysis	NOUN
ap-9380	17	16	has	have	AUX
ap-9380	17	17	risen	rise	VERB
ap-9380	17	18	in	in	ADP
ap-9380	17	19	several	several	ADJ
ap-9380	17	20	industries	industry	NOUN
ap-9380	17	21	[	[	X
ap-9380	17	22	2	2	NUM
ap-9380	17	23	]	]	PUNCT
ap-9380	17	24	.	.	PUNCT
ap-9380	18	1	is	be	AUX
ap-9380	18	2	simple	simple	ADJ
ap-9380	18	3	to	to	PART
ap-9380	18	4	measure	measure	VERB
ap-9380	18	5	any	any	DET
ap-9380	18	6	mechanical	mechanical	ADJ
ap-9380	18	7	quantity	quantity	NOUN
ap-9380	18	8	using	use	VERB
ap-9380	18	9	relatively	relatively	ADV
ap-9380	18	10	inexpensive	inexpensive	ADJ
ap-9380	18	11	equipment	equipment	NOUN
ap-9380	18	12	.	.	PUNCT
ap-9380	19	1	it	it	PRON
ap-9380	19	2	is	be	AUX
ap-9380	19	3	therefore	therefore	ADV
ap-9380	19	4	encouraging	encouraging	ADJ
ap-9380	19	5	for	for	SCONJ
ap-9380	19	6	researchers	researcher	NOUN
ap-9380	19	7	to	to	PART
ap-9380	19	8	develop	develop	VERB
ap-9380	19	9	signal	signal	NOUN
ap-9380	19	10	-	-	PUNCT
ap-9380	19	11	processing	process	VERB
ap-9380	19	12	methods	method	NOUN
ap-9380	19	13	that	that	PRON
ap-9380	19	14	are	be	AUX
ap-9380	19	15	suitable	suitable	ADJ
ap-9380	19	16	for	for	ADP
ap-9380	19	17	analysing	analyse	VERB
ap-9380	19	18	signals	signal	NOUN
ap-9380	19	19	produced	produce	VERB
ap-9380	19	20	by	by	ADP
ap-9380	19	21	more	more	ADJ
ap-9380	19	22	complex	complex	ADJ
ap-9380	19	23	machinery	machinery	NOUN
ap-9380	19	24	,	,	PUNCT
ap-9380	19	25	which	which	PRON
ap-9380	19	26	is	be	AUX
ap-9380	19	27	often	often	ADV
ap-9380	19	28	affected	affect	VERB
ap-9380	19	29	by	by	ADP
ap-9380	19	30	significant	significant	ADJ
ap-9380	19	31	noise	noise	NOUN
ap-9380	19	32	.	.	PUNCT
ap-9380	20	1	over	over	ADP
ap-9380	20	2	the	the	DET
ap-9380	20	3	last	last	ADJ
ap-9380	20	4	few	few	ADJ
ap-9380	20	5	decades	decade	NOUN
ap-9380	20	6	,	,	PUNCT
ap-9380	20	7	many	many	ADJ
ap-9380	20	8	approaches	approach	NOUN
ap-9380	20	9	for	for	ADP
ap-9380	20	10	condition	condition	NOUN
ap-9380	20	11	monitoring	monitoring	NOUN
ap-9380	20	12	equipment	equipment	NOUN
ap-9380	20	13	have	have	AUX
ap-9380	20	14	been	be	AUX
ap-9380	20	15	developed	develop	VERB
ap-9380	20	16	.	.	PUNCT
ap-9380	21	1	nowadays	nowadays	ADV
ap-9380	21	2	,	,	PUNCT
ap-9380	21	3	the	the	DET
ap-9380	21	4	fourier	fourier	NOUN
ap-9380	21	5	transform	transform	NOUN
ap-9380	21	6	(	(	PUNCT
ap-9380	21	7	ft	ft	NOUN
ap-9380	21	8	)	)	PUNCT
ap-9380	21	9	is	be	AUX
ap-9380	21	10	one	one	NUM
ap-9380	21	11	of	of	ADP
ap-9380	21	12	the	the	DET
ap-9380	21	13	most	most	ADV
ap-9380	21	14	commonly	commonly	ADV
ap-9380	21	15	used	use	VERB
ap-9380	21	16	traditional	traditional	ADJ
ap-9380	21	17	tools	tool	NOUN
ap-9380	21	18	for	for	ADP
ap-9380	21	19	spectral	spectral	ADJ
ap-9380	21	20	analysis	analysis	NOUN
ap-9380	21	21	.	.	PUNCT
ap-9380	22	1	the	the	DET
ap-9380	22	2	periodicity	periodicity	NOUN
ap-9380	22	3	of	of	ADP
ap-9380	22	4	the	the	DET
ap-9380	22	5	signal	signal	NOUN
ap-9380	22	6	can	can	AUX
ap-9380	22	7	be	be	AUX
ap-9380	22	8	seen	see	VERB
ap-9380	22	9	in	in	ADP
ap-9380	22	10	the	the	DET
ap-9380	22	11	frequency	frequency	NOUN
ap-9380	22	12	domain	domain	NOUN
ap-9380	22	13	.	.	PUNCT
ap-9380	23	1	however	however	ADV
ap-9380	23	2	,	,	PUNCT
ap-9380	23	3	additional	additional	ADJ
ap-9380	23	4	harmonics	harmonic	NOUN
ap-9380	23	5	and	and	CCONJ
ap-9380	23	6	sidebands	sideband	NOUN
ap-9380	23	7	can	can	AUX
ap-9380	23	8	also	also	ADV
ap-9380	23	9	be	be	AUX
ap-9380	23	10	present	present	ADJ
ap-9380	23	11	in	in	ADP
ap-9380	23	12	the	the	DET
ap-9380	23	13	frequency	frequency	NOUN
ap-9380	23	14	domain	domain	NOUN
ap-9380	23	15	[	[	X
ap-9380	23	16	3	3	NUM
ap-9380	23	17	]	]	PUNCT
ap-9380	23	18	.	.	PUNCT
ap-9380	24	1	for	for	ADP
ap-9380	24	2	instance	instance	NOUN
ap-9380	24	3	,	,	PUNCT
ap-9380	24	4	it	it	PRON
ap-9380	24	5	has	have	AUX
ap-9380	24	6	been	be	AUX
ap-9380	24	7	established	establish	VERB
ap-9380	24	8	that	that	SCONJ
ap-9380	24	9	the	the	DET
ap-9380	24	10	vibrations	vibration	NOUN
ap-9380	24	11	caused	cause	VERB
ap-9380	24	12	by	by	ADP
ap-9380	24	13	gear	gear	NOUN
ap-9380	24	14	teeth	tooth	NOUN
ap-9380	24	15	faults	fault	NOUN
ap-9380	24	16	differ	differ	VERB
ap-9380	24	17	from	from	ADP
ap-9380	24	18	those	those	PRON
ap-9380	24	19	produced	produce	VERB
ap-9380	24	20	by	by	ADP
ap-9380	24	21	healthy	healthy	ADJ
ap-9380	24	22	gears	gear	NOUN
ap-9380	24	23	.	.	PUNCT
ap-9380	25	1	as	as	SCONJ
ap-9380	25	2	described	describe	VERB
ap-9380	25	3	by	by	ADP
ap-9380	25	4	bozchalooi	bozchalooi	NOUN
ap-9380	25	5	[	[	X
ap-9380	25	6	4	4	NUM
ap-9380	25	7	]	]	PUNCT
ap-9380	25	8	,	,	PUNCT
ap-9380	25	9	these	these	DET
ap-9380	25	10	variations	variation	NOUN
ap-9380	25	11	can	can	AUX
ap-9380	25	12	be	be	AUX
ap-9380	25	13	observed	observe	VERB
ap-9380	25	14	as	as	ADP
ap-9380	25	15	modifications	modification	NOUN
ap-9380	25	16	in	in	ADP
ap-9380	25	17	the	the	DET
ap-9380	25	18	amplitude	amplitude	NOUN
ap-9380	25	19	and	and	CCONJ
ap-9380	25	20	phase	phase	NOUN
ap-9380	25	21	of	of	ADP
ap-9380	25	22	the	the	DET
ap-9380	25	23	gear	gear	NOUN
ap-9380	25	24	meshing	meshing	NOUN
ap-9380	25	25	vibrations	vibration	NOUN
ap-9380	25	26	,	,	PUNCT
ap-9380	25	27	and	and	CCONJ
ap-9380	25	28	the	the	DET
ap-9380	25	29	presence	presence	NOUN
ap-9380	25	30	of	of	ADP
ap-9380	25	31	additional	additional	ADJ
ap-9380	25	32	impulsive	impulsive	ADJ
ap-9380	25	33	vibration	vibration	NOUN
ap-9380	25	34	components	component	NOUN
ap-9380	25	35	.	.	PUNCT
ap-9380	26	1	consequently	consequently	ADV
ap-9380	26	2	,	,	PUNCT
ap-9380	26	3	by	by	ADP
ap-9380	26	4	analysing	analyse	VERB
ap-9380	26	5	these	these	DET
ap-9380	26	6	fault	fault	NOUN
ap-9380	26	7	-	-	PUNCT
ap-9380	26	8	specific	specific	ADJ
ap-9380	26	9	characteristics	characteristic	NOUN
ap-9380	26	10	,	,	PUNCT
ap-9380	26	11	it	it	PRON
ap-9380	26	12	is	be	AUX
ap-9380	26	13	possible	possible	ADJ
ap-9380	26	14	to	to	PART
ap-9380	26	15	monitor	monitor	VERB
ap-9380	26	16	the	the	DET
ap-9380	26	17	condition	condition	NOUN
ap-9380	26	18	of	of	ADP
ap-9380	26	19	the	the	DET
ap-9380	26	20	gears	gear	NOUN
ap-9380	26	21	.	.	PUNCT
ap-9380	27	1	a	a	DET
ap-9380	27	2	technique	technique	NOUN
ap-9380	27	3	that	that	PRON
ap-9380	27	4	can	can	AUX
ap-9380	27	5	extract	extract	VERB
ap-9380	27	6	multiple	multiple	ADJ
ap-9380	27	7	types	type	NOUN
ap-9380	27	8	of	of	ADP
ap-9380	27	9	fault	fault	NOUN
ap-9380	27	10	features	feature	NOUN
ap-9380	27	11	would	would	AUX
ap-9380	27	12	likely	likely	ADV
ap-9380	27	13	be	be	AUX
ap-9380	27	14	more	more	ADV
ap-9380	27	15	suitable	suitable	ADJ
ap-9380	27	16	for	for	ADP
ap-9380	27	17	detecting	detect	VERB
ap-9380	27	18	gear	gear	NOUN
ap-9380	27	19	faults	fault	NOUN
ap-9380	27	20	.	.	PUNCT
ap-9380	28	1	the	the	DET
ap-9380	28	2	demodulation	demodulation	NOUN
ap-9380	28	3	is	be	AUX
ap-9380	28	4	a	a	DET
ap-9380	28	5	necessary	necessary	ADJ
ap-9380	28	6	step	step	NOUN
ap-9380	28	7	in	in	ADP
ap-9380	28	8	revealing	reveal	VERB
ap-9380	28	9	the	the	DET
ap-9380	28	10	faults	fault	NOUN
ap-9380	28	11	in	in	ADP
ap-9380	28	12	monitoring	monitor	VERB
ap-9380	28	13	signals	signal	NOUN
ap-9380	28	14	[	[	X
ap-9380	28	15	5	5	NUM
ap-9380	28	16	]	]	PUNCT
ap-9380	28	17	.	.	PUNCT
ap-9380	29	1	for	for	ADP
ap-9380	29	2	this	this	DET
ap-9380	29	3	reason	reason	NOUN
ap-9380	29	4	,	,	PUNCT
ap-9380	29	5	it	it	PRON
ap-9380	29	6	has	have	AUX
ap-9380	29	7	become	become	VERB
ap-9380	29	8	a	a	DET
ap-9380	29	9	very	very	ADV
ap-9380	29	10	effective	effective	ADJ
ap-9380	29	11	method	method	NOUN
ap-9380	29	12	for	for	ADP
ap-9380	29	13	diagnosing	diagnose	VERB
ap-9380	29	14	faults	fault	NOUN
ap-9380	29	15	in	in	ADP
ap-9380	29	16	rotating	rotate	VERB
ap-9380	29	17	machines	machine	NOUN
ap-9380	29	18	[	[	X
ap-9380	29	19	6	6	NUM
ap-9380	29	20	]	]	PUNCT
ap-9380	29	21	.	.	PUNCT
ap-9380	30	1	several	several	ADJ
ap-9380	30	2	methods	method	NOUN
ap-9380	30	3	using	use	VERB
ap-9380	30	4	a	a	DET
ap-9380	30	5	signal	signal	NOUN
ap-9380	30	6	averaged	average	VERB
ap-9380	30	7	synchronously	synchronously	ADV
ap-9380	30	8	with	with	ADP
ap-9380	30	9	the	the	DET
ap-9380	30	10	rotation	rotation	NOUN
ap-9380	30	11	of	of	ADP
ap-9380	30	12	the	the	DET
ap-9380	30	13	gear	gear	NOUN
ap-9380	30	14	under	under	ADP
ap-9380	30	15	consideration	consideration	NOUN
ap-9380	30	16	are	be	AUX
ap-9380	30	17	described	describe	VERB
ap-9380	30	18	in	in	ADP
ap-9380	30	19	[	[	X
ap-9380	30	20	7	7	NUM
ap-9380	30	21	]	]	PUNCT
ap-9380	30	22	.	.	PUNCT
ap-9380	31	1	synchronous	synchronous	ADJ
ap-9380	31	2	averaging	averaging	NOUN
ap-9380	31	3	techniques	technique	NOUN
ap-9380	31	4	can	can	AUX
ap-9380	31	5	reveal	reveal	VERB
ap-9380	31	6	am	be	AUX
ap-9380	31	7	and	and	CCONJ
ap-9380	31	8	pm	pm	VERB
ap-9380	31	9	signatures	signature	NOUN
ap-9380	31	10	related	relate	VERB
ap-9380	31	11	to	to	ADP
ap-9380	31	12	distributed	distribute	VERB
ap-9380	31	13	faults	fault	NOUN
ap-9380	31	14	but	but	CCONJ
ap-9380	31	15	remain	remain	VERB
ap-9380	31	16	inadequate	inadequate	ADJ
ap-9380	31	17	for	for	ADP
ap-9380	31	18	extracting	extract	VERB
ap-9380	31	19	impulsive	impulsive	ADJ
ap-9380	31	20	fault	fault	NOUN
ap-9380	31	21	signatures	signature	NOUN
ap-9380	31	22	.	.	PUNCT
ap-9380	32	1	the	the	DET
ap-9380	32	2	167	167	NUM
ap-9380	32	3	https://doi.org/10.14311/ap.2025.65.0167	https://doi.org/10.14311/ap.2025.65.0167	PROPN
ap-9380	32	4	https://creativecommons.org/licenses/by/4.0/	https://creativecommons.org/licenses/by/4.0/	PROPN
ap-9380	32	5	https://www.cvut.cz/en	https://www.cvut.cz/en	PROPN
ap-9380	32	6	l.	l.	PROPN
ap-9380	32	7	bouhafs	bouhafs	PROPN
ap-9380	32	8	,	,	PUNCT
ap-9380	32	9	s.	s.	PROPN
ap-9380	32	10	tamalouzt	tamalouzt	PROPN
ap-9380	32	11	,	,	PUNCT
ap-9380	32	12	a.	a.	PROPN
ap-9380	32	13	bouzida	bouzida	PROPN
ap-9380	32	14	acta	acta	PROPN
ap-9380	32	15	polytechnica	polytechnica	PROPN
ap-9380	32	16	high	high	ADJ
ap-9380	32	17	-	-	PUNCT
ap-9380	32	18	frequency	frequency	NOUN
ap-9380	32	19	resonance	resonance	NOUN
ap-9380	32	20	technique	technique	NOUN
ap-9380	32	21	(	(	PUNCT
ap-9380	32	22	hfrt	hfrt	NOUN
ap-9380	32	23	)	)	PUNCT
ap-9380	32	24	is	be	AUX
ap-9380	32	25	also	also	ADV
ap-9380	32	26	widely	widely	ADV
ap-9380	32	27	used	use	VERB
ap-9380	32	28	,	,	PUNCT
ap-9380	32	29	as	as	SCONJ
ap-9380	32	30	it	it	PRON
ap-9380	32	31	allows	allow	VERB
ap-9380	32	32	information	information	NOUN
ap-9380	32	33	regarding	regard	VERB
ap-9380	32	34	defects	defect	NOUN
ap-9380	32	35	of	of	ADP
ap-9380	32	36	rotating	rotate	VERB
ap-9380	32	37	machinery	machinery	NOUN
ap-9380	32	38	to	to	PART
ap-9380	32	39	be	be	AUX
ap-9380	32	40	collected	collect	VERB
ap-9380	32	41	,	,	PUNCT
ap-9380	32	42	as	as	SCONJ
ap-9380	32	43	discussed	discuss	VERB
ap-9380	32	44	in	in	ADP
ap-9380	32	45	[	[	X
ap-9380	32	46	8	8	NUM
ap-9380	32	47	]	]	PUNCT
ap-9380	32	48	.	.	PUNCT
ap-9380	33	1	this	this	DET
ap-9380	33	2	technique	technique	NOUN
ap-9380	33	3	,	,	PUNCT
ap-9380	33	4	which	which	PRON
ap-9380	33	5	is	be	AUX
ap-9380	33	6	sensitive	sensitive	ADJ
ap-9380	33	7	to	to	PART
ap-9380	33	8	noise	noise	NOUN
ap-9380	33	9	and	and	CCONJ
ap-9380	33	10	random	random	ADJ
ap-9380	33	11	fluctuations	fluctuation	NOUN
ap-9380	33	12	in	in	ADP
ap-9380	33	13	rotational	rotational	ADJ
ap-9380	33	14	frequencies	frequency	NOUN
ap-9380	33	15	,	,	PUNCT
ap-9380	33	16	allows	allow	VERB
ap-9380	33	17	the	the	DET
ap-9380	33	18	extraction	extraction	NOUN
ap-9380	33	19	of	of	ADP
ap-9380	33	20	information	information	NOUN
ap-9380	33	21	on	on	ADP
ap-9380	33	22	the	the	DET
ap-9380	33	23	components	component	NOUN
ap-9380	33	24	representing	represent	VERB
ap-9380	33	25	the	the	DET
ap-9380	33	26	defects	defect	NOUN
ap-9380	33	27	and	and	CCONJ
ap-9380	33	28	the	the	DET
ap-9380	33	29	determination	determination	NOUN
ap-9380	33	30	of	of	ADP
ap-9380	33	31	their	their	PRON
ap-9380	33	32	severity	severity	NOUN
ap-9380	33	33	.	.	PUNCT
ap-9380	34	1	however	however	ADV
ap-9380	34	2	,	,	PUNCT
ap-9380	34	3	this	this	DET
ap-9380	34	4	approach	approach	NOUN
ap-9380	34	5	completely	completely	ADV
ap-9380	34	6	ignores	ignore	VERB
ap-9380	34	7	the	the	DET
ap-9380	34	8	am	am	NOUN
ap-9380	34	9	and	and	CCONJ
ap-9380	34	10	pm	pm	AUX
ap-9380	34	11	linked	link	VERB
ap-9380	34	12	with	with	ADP
ap-9380	34	13	distributed	distribute	VERB
ap-9380	34	14	faults	fault	NOUN
ap-9380	34	15	and	and	CCONJ
ap-9380	34	16	only	only	ADV
ap-9380	34	17	focuses	focus	VERB
ap-9380	34	18	on	on	ADP
ap-9380	34	19	additive	additive	ADJ
ap-9380	34	20	impulsive	impulsive	ADJ
ap-9380	34	21	signal	signal	ADJ
ap-9380	34	22	components	component	NOUN
ap-9380	34	23	.	.	PUNCT
ap-9380	35	1	the	the	DET
ap-9380	35	2	main	main	ADJ
ap-9380	35	3	difficulty	difficulty	NOUN
ap-9380	35	4	in	in	ADP
ap-9380	35	5	implementing	implement	VERB
ap-9380	35	6	the	the	DET
ap-9380	35	7	technique	technique	NOUN
ap-9380	35	8	is	be	AUX
ap-9380	35	9	selecting	select	VERB
ap-9380	35	10	the	the	DET
ap-9380	35	11	correct	correct	ADJ
ap-9380	35	12	centre	centre	NOUN
ap-9380	35	13	frequency	frequency	NOUN
ap-9380	35	14	and	and	CCONJ
ap-9380	35	15	bandwidth	bandwidth	NOUN
ap-9380	35	16	.	.	PUNCT
ap-9380	36	1	in	in	ADP
ap-9380	36	2	[	[	X
ap-9380	36	3	9	9	NUM
ap-9380	36	4	]	]	PUNCT
ap-9380	36	5	,	,	PUNCT
ap-9380	36	6	the	the	DET
ap-9380	36	7	non	non	ADJ
ap-9380	36	8	-	-	ADJ
ap-9380	36	9	linear	linear	ADJ
ap-9380	36	10	teager	teager	NOUN
ap-9380	36	11	-	-	PUNCT
ap-9380	36	12	kaiser	kaiser	NOUN
ap-9380	36	13	energy	energy	NOUN
ap-9380	36	14	operator	operator	NOUN
ap-9380	36	15	(	(	PUNCT
ap-9380	36	16	tkeo	tkeo	PROPN
ap-9380	36	17	)	)	PUNCT
ap-9380	36	18	contains	contain	VERB
ap-9380	36	19	an	an	DET
ap-9380	36	20	energy	energy	NOUN
ap-9380	36	21	tracking	track	VERB
ap-9380	36	22	algorithm	algorithm	NOUN
ap-9380	36	23	that	that	PRON
ap-9380	36	24	converts	convert	VERB
ap-9380	36	25	a	a	DET
ap-9380	36	26	raw	raw	ADJ
ap-9380	36	27	signal	signal	NOUN
ap-9380	36	28	to	to	ADP
ap-9380	36	29	the	the	DET
ap-9380	36	30	teager	teager	NOUN
ap-9380	36	31	-	-	PUNCT
ap-9380	36	32	kaiser	kaiser	NOUN
ap-9380	36	33	energy	energy	NOUN
ap-9380	36	34	signal	signal	NOUN
ap-9380	36	35	to	to	PART
ap-9380	36	36	extract	extract	VERB
ap-9380	36	37	the	the	DET
ap-9380	36	38	amplitude	amplitude	NOUN
ap-9380	36	39	and	and	CCONJ
ap-9380	36	40	instantaneous	instantaneous	ADJ
ap-9380	36	41	frequency	frequency	NOUN
ap-9380	36	42	.	.	PUNCT
ap-9380	37	1	furthermore	furthermore	ADV
ap-9380	37	2	,	,	PUNCT
ap-9380	37	3	a	a	DET
ap-9380	37	4	variety	variety	NOUN
ap-9380	37	5	of	of	ADP
ap-9380	37	6	time	time	NOUN
ap-9380	37	7	-	-	PUNCT
ap-9380	37	8	frequency	frequency	NOUN
ap-9380	37	9	analysis	analysis	NOUN
ap-9380	37	10	methods	method	NOUN
ap-9380	37	11	,	,	PUNCT
ap-9380	37	12	such	such	ADJ
ap-9380	37	13	as	as	ADP
ap-9380	37	14	the	the	DET
ap-9380	37	15	short	short	ADJ
ap-9380	37	16	time	time	NOUN
ap-9380	37	17	fourier	fourier	NOUN
ap-9380	37	18	transform	transform	NOUN
ap-9380	37	19	,	,	PUNCT
ap-9380	37	20	developed	develop	VERB
ap-9380	37	21	in	in	ADP
ap-9380	37	22	[	[	X
ap-9380	37	23	10	10	NUM
ap-9380	37	24	,	,	PUNCT
ap-9380	37	25	11	11	NUM
ap-9380	37	26	]	]	PUNCT
ap-9380	37	27	,	,	PUNCT
ap-9380	37	28	and	and	CCONJ
ap-9380	37	29	the	the	DET
ap-9380	37	30	continuous	continuous	ADJ
ap-9380	37	31	wavelet	wavelet	NOUN
ap-9380	37	32	transform	transform	NOUN
ap-9380	37	33	,	,	PUNCT
ap-9380	37	34	as	as	SCONJ
ap-9380	37	35	presented	present	VERB
ap-9380	37	36	in	in	ADP
ap-9380	37	37	[	[	X
ap-9380	37	38	12	12	NUM
ap-9380	37	39	,	,	PUNCT
ap-9380	37	40	13	13	NUM
ap-9380	37	41	]	]	PUNCT
ap-9380	37	42	,	,	PUNCT
ap-9380	37	43	have	have	AUX
ap-9380	37	44	been	be	AUX
ap-9380	37	45	used	use	VERB
ap-9380	37	46	to	to	PART
ap-9380	37	47	extract	extract	VERB
ap-9380	37	48	useful	useful	ADJ
ap-9380	37	49	diagnostic	diagnostic	ADJ
ap-9380	37	50	information	information	NOUN
ap-9380	37	51	from	from	ADP
ap-9380	37	52	vibration	vibration	NOUN
ap-9380	37	53	signals	signal	NOUN
ap-9380	37	54	[	[	X
ap-9380	37	55	14	14	NUM
ap-9380	37	56	]	]	PUNCT
ap-9380	37	57	.	.	PUNCT
ap-9380	38	1	despite	despite	SCONJ
ap-9380	38	2	their	their	PRON
ap-9380	38	3	advantages	advantage	NOUN
ap-9380	38	4	,	,	PUNCT
ap-9380	38	5	these	these	DET
ap-9380	38	6	methods	method	NOUN
ap-9380	38	7	,	,	PUNCT
ap-9380	38	8	which	which	PRON
ap-9380	38	9	can	can	AUX
ap-9380	38	10	distinguish	distinguish	VERB
ap-9380	38	11	local	local	ADJ
ap-9380	38	12	features	feature	NOUN
ap-9380	38	13	of	of	ADP
ap-9380	38	14	signals	signal	NOUN
ap-9380	38	15	and	and	CCONJ
ap-9380	38	16	monitor	monitor	VERB
ap-9380	38	17	how	how	SCONJ
ap-9380	38	18	energy	energy	NOUN
ap-9380	38	19	distribution	distribution	NOUN
ap-9380	38	20	over	over	ADP
ap-9380	38	21	frequencies	frequency	NOUN
ap-9380	38	22	changes	change	NOUN
ap-9380	38	23	in	in	ADP
ap-9380	38	24	time	time	NOUN
ap-9380	38	25	,	,	PUNCT
ap-9380	38	26	can	can	AUX
ap-9380	38	27	cause	cause	VERB
ap-9380	38	28	interference	interference	NOUN
ap-9380	38	29	when	when	SCONJ
ap-9380	38	30	a	a	DET
ap-9380	38	31	multicomponent	multicomponent	NOUN
ap-9380	38	32	signal	signal	NOUN
ap-9380	38	33	is	be	AUX
ap-9380	38	34	analysed	analyse	VERB
ap-9380	38	35	,	,	PUNCT
ap-9380	38	36	as	as	ADP
ap-9380	38	37	in	in	ADP
ap-9380	38	38	the	the	DET
ap-9380	38	39	case	case	NOUN
ap-9380	38	40	of	of	ADP
ap-9380	38	41	the	the	DET
ap-9380	38	42	wigner	wigner	NOUN
ap-9380	38	43	-	-	PUNCT
ap-9380	38	44	ville	ville	NOUN
ap-9380	38	45	distribution	distribution	NOUN
ap-9380	38	46	,	,	PUNCT
ap-9380	38	47	as	as	SCONJ
ap-9380	38	48	presented	present	VERB
ap-9380	38	49	in	in	ADP
ap-9380	38	50	[	[	X
ap-9380	38	51	15	15	NUM
ap-9380	38	52	]	]	PUNCT
ap-9380	38	53	.	.	PUNCT
ap-9380	39	1	the	the	DET
ap-9380	39	2	demodulation	demodulation	NOUN
ap-9380	39	3	of	of	ADP
ap-9380	39	4	vibration	vibration	NOUN
ap-9380	39	5	signals	signal	NOUN
ap-9380	39	6	is	be	AUX
ap-9380	39	7	considered	consider	VERB
ap-9380	39	8	a	a	DET
ap-9380	39	9	key	key	ADJ
ap-9380	39	10	element	element	NOUN
ap-9380	39	11	of	of	ADP
ap-9380	39	12	target	target	NOUN
ap-9380	39	13	recognition	recognition	NOUN
ap-9380	40	1	[	[	X
ap-9380	40	2	16	16	NUM
ap-9380	40	3	]	]	PUNCT
ap-9380	40	4	.	.	PUNCT
ap-9380	41	1	however	however	ADV
ap-9380	41	2	,	,	PUNCT
ap-9380	41	3	classical	classical	ADJ
ap-9380	41	4	methods	method	NOUN
ap-9380	41	5	,	,	PUNCT
ap-9380	41	6	including	include	VERB
ap-9380	41	7	ht	ht	PROPN
ap-9380	41	8	and	and	CCONJ
ap-9380	41	9	tkeo	tkeo	PROPN
ap-9380	41	10	,	,	PUNCT
ap-9380	41	11	are	be	AUX
ap-9380	41	12	unable	unable	ADJ
ap-9380	41	13	to	to	PART
ap-9380	41	14	detect	detect	VERB
ap-9380	41	15	the	the	DET
ap-9380	41	16	fault	fault	NOUN
ap-9380	41	17	characteristic	characteristic	ADJ
ap-9380	41	18	frequency	frequency	NOUN
ap-9380	41	19	in	in	ADP
ap-9380	41	20	the	the	DET
ap-9380	41	21	presence	presence	NOUN
ap-9380	41	22	of	of	ADP
ap-9380	41	23	significant	significant	ADJ
ap-9380	41	24	noise	noise	NOUN
ap-9380	41	25	and	and	CCONJ
ap-9380	41	26	vibration	vibration	NOUN
ap-9380	41	27	interferences	interference	NOUN
ap-9380	41	28	,	,	PUNCT
ap-9380	41	29	as	as	SCONJ
ap-9380	41	30	illustrated	illustrate	VERB
ap-9380	41	31	in	in	ADP
ap-9380	41	32	[	[	X
ap-9380	41	33	17	17	NUM
ap-9380	41	34	]	]	PUNCT
ap-9380	41	35	.	.	PUNCT
ap-9380	42	1	in	in	ADP
ap-9380	42	2	[	[	X
ap-9380	42	3	18	18	NUM
ap-9380	42	4	]	]	PUNCT
ap-9380	42	5	,	,	PUNCT
ap-9380	42	6	authors	author	NOUN
ap-9380	42	7	have	have	AUX
ap-9380	42	8	proposed	propose	VERB
ap-9380	42	9	a	a	DET
ap-9380	42	10	novel	novel	ADJ
ap-9380	42	11	technique	technique	NOUN
ap-9380	42	12	for	for	ADP
ap-9380	42	13	diagnosing	diagnose	VERB
ap-9380	42	14	gearbox	gearbox	NOUN
ap-9380	42	15	compound	compound	NOUN
ap-9380	42	16	faults	fault	NOUN
ap-9380	42	17	.	.	PUNCT
ap-9380	43	1	it	it	PRON
ap-9380	43	2	is	be	AUX
ap-9380	43	3	based	base	VERB
ap-9380	43	4	on	on	ADP
ap-9380	43	5	the	the	DET
ap-9380	43	6	demodulation	demodulation	NOUN
ap-9380	43	7	of	of	ADP
ap-9380	43	8	optimal	optimal	ADJ
ap-9380	43	9	resonance	resonance	NOUN
ap-9380	43	10	components	component	NOUN
ap-9380	43	11	by	by	ADP
ap-9380	43	12	the	the	DET
ap-9380	43	13	energy	energy	NOUN
ap-9380	43	14	operator	operator	NOUN
ap-9380	43	15	,	,	PUNCT
ap-9380	43	16	and	and	CCONJ
ap-9380	43	17	it	it	PRON
ap-9380	43	18	can	can	AUX
ap-9380	43	19	diagnose	diagnose	VERB
ap-9380	43	20	gear	gear	NOUN
ap-9380	43	21	and	and	CCONJ
ap-9380	43	22	bearing	bearing	NOUN
ap-9380	43	23	faults	fault	NOUN
ap-9380	43	24	.	.	PUNCT
ap-9380	44	1	in	in	ADP
ap-9380	44	2	[	[	X
ap-9380	44	3	19	19	NUM
ap-9380	44	4	]	]	PUNCT
ap-9380	44	5	,	,	PUNCT
ap-9380	44	6	the	the	DET
ap-9380	44	7	authors	author	NOUN
ap-9380	44	8	use	use	VERB
ap-9380	44	9	the	the	DET
ap-9380	44	10	envelope	envelope	NOUN
ap-9380	44	11	derivative	derivative	ADJ
ap-9380	44	12	operator	operator	NOUN
ap-9380	44	13	(	(	PUNCT
ap-9380	44	14	edo	edo	PROPN
ap-9380	44	15	)	)	PUNCT
ap-9380	44	16	as	as	ADP
ap-9380	44	17	an	an	DET
ap-9380	44	18	alternate	alternate	ADJ
ap-9380	44	19	energy	energy	NOUN
ap-9380	44	20	operator	operator	NOUN
ap-9380	44	21	approach	approach	NOUN
ap-9380	44	22	,	,	PUNCT
ap-9380	44	23	to	to	PART
ap-9380	44	24	demodulate	demodulate	VERB
ap-9380	44	25	the	the	DET
ap-9380	44	26	vibrating	vibrate	VERB
ap-9380	44	27	screen	screen	NOUN
ap-9380	44	28	’s	’s	PART
ap-9380	44	29	retrieved	retrieve	VERB
ap-9380	44	30	vibration	vibration	NOUN
ap-9380	44	31	signal	signal	NOUN
ap-9380	44	32	.	.	PUNCT
ap-9380	45	1	the	the	DET
ap-9380	45	2	vibration	vibration	NOUN
ap-9380	45	3	signal	signal	NOUN
ap-9380	45	4	extracted	extract	VERB
ap-9380	45	5	from	from	ADP
ap-9380	45	6	the	the	DET
ap-9380	45	7	vibrating	vibrate	VERB
ap-9380	45	8	screen	screen	NOUN
ap-9380	45	9	.	.	PUNCT
ap-9380	46	1	this	this	DET
ap-9380	46	2	method	method	NOUN
ap-9380	46	3	can	can	AUX
ap-9380	46	4	effectively	effectively	ADV
ap-9380	46	5	extract	extract	VERB
ap-9380	46	6	fault	fault	NOUN
ap-9380	46	7	characteristic	characteristic	ADJ
ap-9380	46	8	frequencies	frequency	NOUN
ap-9380	46	9	compared	compare	VERB
ap-9380	46	10	to	to	ADP
ap-9380	46	11	tkeo	tkeo	PROPN
ap-9380	46	12	.	.	PUNCT
ap-9380	47	1	the	the	DET
ap-9380	47	2	multipoint	multipoint	NOUN
ap-9380	47	3	optimal	optimal	ADJ
ap-9380	47	4	minimum	minimum	NOUN
ap-9380	47	5	entropy	entropy	NOUN
ap-9380	47	6	deconvolution	deconvolution	NOUN
ap-9380	47	7	method	method	NOUN
ap-9380	47	8	(	(	PUNCT
ap-9380	47	9	momed	mome	VERB
ap-9380	47	10	)	)	PUNCT
ap-9380	47	11	and	and	CCONJ
ap-9380	47	12	b	b	X
ap-9380	47	13	-	-	PUNCT
ap-9380	47	14	spline	spline	NOUN
ap-9380	47	15	based	base	VERB
ap-9380	47	16	on	on	ADP
ap-9380	47	17	envelope	envelope	NOUN
ap-9380	47	18	derivative	derivative	ADJ
ap-9380	47	19	operator	operator	NOUN
ap-9380	47	20	(	(	PUNCT
ap-9380	47	21	edo	edo	PROPN
ap-9380	47	22	)	)	PUNCT
ap-9380	47	23	tools	tool	NOUN
ap-9380	47	24	are	be	AUX
ap-9380	47	25	presented	present	VERB
ap-9380	47	26	in	in	ADP
ap-9380	47	27	[	[	X
ap-9380	47	28	20	20	NUM
ap-9380	47	29	]	]	PUNCT
ap-9380	47	30	.	.	PUNCT
ap-9380	48	1	this	this	DET
ap-9380	48	2	method	method	NOUN
ap-9380	48	3	is	be	AUX
ap-9380	48	4	specifically	specifically	ADV
ap-9380	48	5	designed	design	VERB
ap-9380	48	6	to	to	PART
ap-9380	48	7	detect	detect	VERB
ap-9380	48	8	the	the	DET
ap-9380	48	9	fault	fault	NOUN
ap-9380	48	10	characteristics	characteristic	NOUN
ap-9380	48	11	in	in	ADP
ap-9380	48	12	the	the	DET
ap-9380	48	13	noise	noise	NOUN
ap-9380	48	14	environment	environment	NOUN
ap-9380	48	15	of	of	ADP
ap-9380	48	16	a	a	DET
ap-9380	48	17	rolling	rolling	ADJ
ap-9380	48	18	bearing	bearing	NOUN
ap-9380	48	19	.	.	PUNCT
ap-9380	49	1	a	a	DET
ap-9380	49	2	new	new	ADJ
ap-9380	49	3	feature	feature	NOUN
ap-9380	49	4	extraction	extraction	NOUN
ap-9380	49	5	technique	technique	NOUN
ap-9380	49	6	called	call	VERB
ap-9380	49	7	weighted	weight	VERB
ap-9380	49	8	multi	multi	ADJ
ap-9380	49	9	-	-	ADJ
ap-9380	49	10	scale	scale	ADJ
ap-9380	49	11	fluctuation	fluctuation	NOUN
ap-9380	49	12	based	base	VERB
ap-9380	49	13	dispersion	dispersion	NOUN
ap-9380	49	14	entropy	entropy	NOUN
ap-9380	49	15	(	(	PUNCT
ap-9380	49	16	wmfde	wmfde	PROPN
ap-9380	49	17	)	)	PUNCT
ap-9380	49	18	,	,	PUNCT
ap-9380	49	19	is	be	AUX
ap-9380	49	20	suggested	suggest	VERB
ap-9380	49	21	in	in	ADP
ap-9380	49	22	[	[	X
ap-9380	49	23	21	21	NUM
ap-9380	49	24	]	]	PUNCT
ap-9380	49	25	for	for	ADP
ap-9380	49	26	the	the	DET
ap-9380	49	27	condition	condition	NOUN
ap-9380	49	28	tracking	tracking	NOUN
ap-9380	49	29	of	of	ADP
ap-9380	49	30	planetary	planetary	ADJ
ap-9380	49	31	gear	gear	NOUN
ap-9380	49	32	boxes	box	NOUN
ap-9380	49	33	.	.	PUNCT
ap-9380	50	1	it	it	PRON
ap-9380	50	2	works	work	VERB
ap-9380	50	3	well	well	ADV
ap-9380	50	4	for	for	ADP
ap-9380	50	5	the	the	DET
ap-9380	50	6	signal	signal	ADJ
ap-9380	50	7	denoising	denoising	NOUN
ap-9380	50	8	technique	technique	NOUN
ap-9380	50	9	;	;	PUNCT
ap-9380	50	10	however	however	ADV
ap-9380	50	11	,	,	PUNCT
ap-9380	50	12	the	the	DET
ap-9380	50	13	performance	performance	NOUN
ap-9380	50	14	of	of	ADP
ap-9380	50	15	this	this	DET
ap-9380	50	16	method	method	NOUN
ap-9380	50	17	strongly	strongly	ADV
ap-9380	50	18	depends	depend	VERB
ap-9380	50	19	on	on	ADP
ap-9380	50	20	the	the	DET
ap-9380	50	21	parameters	parameter	NOUN
ap-9380	50	22	used	use	VERB
ap-9380	50	23	for	for	ADP
ap-9380	50	24	feature	feature	NOUN
ap-9380	50	25	extraction	extraction	NOUN
ap-9380	50	26	.	.	PUNCT
ap-9380	51	1	calculating	calculate	VERB
ap-9380	51	2	of	of	ADP
ap-9380	51	3	wmfde	wmfde	NOUN
ap-9380	51	4	can	can	AUX
ap-9380	51	5	be	be	AUX
ap-9380	51	6	computationally	computationally	ADV
ap-9380	51	7	expensive	expensive	ADJ
ap-9380	51	8	,	,	PUNCT
ap-9380	51	9	especially	especially	ADV
ap-9380	51	10	if	if	SCONJ
ap-9380	51	11	the	the	DET
ap-9380	51	12	vibration	vibration	NOUN
ap-9380	51	13	signals	signal	NOUN
ap-9380	51	14	are	be	AUX
ap-9380	51	15	complex	complex	ADJ
ap-9380	51	16	and	and	CCONJ
ap-9380	51	17	large	large	ADJ
ap-9380	51	18	.	.	PUNCT
ap-9380	52	1	to	to	PART
ap-9380	52	2	overcome	overcome	VERB
ap-9380	52	3	the	the	DET
ap-9380	52	4	problems	problem	NOUN
ap-9380	52	5	and	and	CCONJ
ap-9380	52	6	drawbacks	drawback	NOUN
ap-9380	52	7	of	of	ADP
ap-9380	52	8	the	the	DET
ap-9380	52	9	methods	method	NOUN
ap-9380	52	10	mentioned	mention	VERB
ap-9380	52	11	above	above	ADV
ap-9380	52	12	,	,	PUNCT
ap-9380	52	13	this	this	DET
ap-9380	52	14	article	article	NOUN
ap-9380	52	15	proposes	propose	VERB
ap-9380	52	16	the	the	DET
ap-9380	52	17	envelope	envelope	NOUN
ap-9380	52	18	-	-	PUNCT
ap-9380	52	19	derivative	derivative	ADJ
ap-9380	52	20	operator	operator	NOUN
ap-9380	52	21	(	(	PUNCT
ap-9380	52	22	edo	edo	PROPN
ap-9380	52	23	)	)	PUNCT
ap-9380	52	24	method	method	NOUN
ap-9380	52	25	.	.	PUNCT
ap-9380	53	1	it	it	PRON
ap-9380	53	2	is	be	AUX
ap-9380	53	3	characterised	characterise	VERB
ap-9380	53	4	by	by	ADP
ap-9380	53	5	several	several	ADJ
ap-9380	53	6	advantages	advantage	NOUN
ap-9380	53	7	,	,	PUNCT
ap-9380	53	8	which	which	PRON
ap-9380	53	9	can	can	AUX
ap-9380	53	10	be	be	AUX
ap-9380	53	11	summarised	summarise	VERB
ap-9380	53	12	as	as	SCONJ
ap-9380	53	13	follows	follow	VERB
ap-9380	53	14	:	:	PUNCT
ap-9380	53	15	edo	edo	PROPN
ap-9380	53	16	is	be	AUX
ap-9380	53	17	a	a	DET
ap-9380	53	18	powerful	powerful	ADJ
ap-9380	53	19	and	and	CCONJ
ap-9380	53	20	versatile	versatile	ADJ
ap-9380	53	21	technique	technique	NOUN
ap-9380	53	22	for	for	ADP
ap-9380	53	23	signal	signal	ADJ
ap-9380	53	24	analysis	analysis	NOUN
ap-9380	53	25	in	in	ADP
ap-9380	53	26	signal	signal	ADJ
ap-9380	53	27	processing	processing	NOUN
ap-9380	53	28	that	that	PRON
ap-9380	53	29	detects	detect	VERB
ap-9380	53	30	rapid	rapid	ADJ
ap-9380	53	31	changes	change	NOUN
ap-9380	53	32	,	,	PUNCT
ap-9380	53	33	extracts	extract	NOUN
ap-9380	53	34	peaks	peak	NOUN
ap-9380	53	35	,	,	PUNCT
ap-9380	53	36	measures	measure	VERB
ap-9380	53	37	variation	variation	NOUN
ap-9380	53	38	speed	speed	NOUN
ap-9380	53	39	,	,	PUNCT
ap-9380	53	40	and	and	CCONJ
ap-9380	53	41	analyses	analyse	VERB
ap-9380	53	42	signal	signal	NOUN
ap-9380	53	43	frequency	frequency	NOUN
ap-9380	53	44	,	,	PUNCT
ap-9380	53	45	particularly	particularly	ADV
ap-9380	53	46	when	when	SCONJ
ap-9380	53	47	there	there	PRON
ap-9380	53	48	is	be	VERB
ap-9380	53	49	significant	significant	ADJ
ap-9380	53	50	noise	noise	NOUN
ap-9380	53	51	interference	interference	NOUN
ap-9380	53	52	and	and	CCONJ
ap-9380	53	53	various	various	ADJ
ap-9380	53	54	vibrations	vibration	NOUN
ap-9380	53	55	.	.	PUNCT
ap-9380	54	1	the	the	DET
ap-9380	54	2	usefulness	usefulness	NOUN
ap-9380	54	3	and	and	CCONJ
ap-9380	54	4	effectiveness	effectiveness	NOUN
ap-9380	54	5	of	of	ADP
ap-9380	54	6	the	the	DET
ap-9380	54	7	edo	edo	PROPN
ap-9380	54	8	method	method	NOUN
ap-9380	54	9	are	be	AUX
ap-9380	54	10	thoroughly	thoroughly	ADV
ap-9380	54	11	discussed	discuss	VERB
ap-9380	54	12	and	and	CCONJ
ap-9380	54	13	analysed	analyse	VERB
ap-9380	54	14	by	by	ADP
ap-9380	54	15	many	many	ADJ
ap-9380	54	16	researchers	researcher	NOUN
ap-9380	54	17	.	.	PUNCT
ap-9380	55	1	the	the	DET
ap-9380	55	2	references	reference	NOUN
ap-9380	55	3	[	[	X
ap-9380	55	4	22–24	22–24	NUM
ap-9380	55	5	]	]	PUNCT
ap-9380	55	6	have	have	AUX
ap-9380	55	7	focused	focus	VERB
ap-9380	55	8	on	on	ADP
ap-9380	55	9	the	the	DET
ap-9380	55	10	early	early	ADJ
ap-9380	55	11	detection	detection	NOUN
ap-9380	55	12	of	of	ADP
ap-9380	55	13	faults	fault	NOUN
ap-9380	55	14	in	in	ADP
ap-9380	55	15	bearings	bearing	NOUN
ap-9380	55	16	by	by	ADP
ap-9380	55	17	using	use	VERB
ap-9380	55	18	an	an	DET
ap-9380	55	19	energy	energy	NOUN
ap-9380	55	20	measure	measure	NOUN
ap-9380	55	21	called	call	VERB
ap-9380	55	22	the	the	DET
ap-9380	55	23	envelope	envelope	NOUN
ap-9380	55	24	derivative	derivative	ADJ
ap-9380	55	25	operator	operator	NOUN
ap-9380	55	26	.	.	PUNCT
ap-9380	56	1	however	however	ADV
ap-9380	56	2	,	,	PUNCT
ap-9380	56	3	the	the	DET
ap-9380	56	4	use	use	NOUN
ap-9380	56	5	of	of	ADP
ap-9380	56	6	this	this	DET
ap-9380	56	7	approach	approach	NOUN
ap-9380	56	8	for	for	ADP
ap-9380	56	9	gear	gear	NOUN
ap-9380	56	10	applications	application	NOUN
ap-9380	56	11	has	have	AUX
ap-9380	56	12	never	never	ADV
ap-9380	56	13	been	be	AUX
ap-9380	56	14	mentioned	mention	VERB
ap-9380	56	15	in	in	ADP
ap-9380	56	16	the	the	DET
ap-9380	56	17	literature	literature	NOUN
ap-9380	56	18	.	.	PUNCT
ap-9380	57	1	in	in	ADP
ap-9380	57	2	this	this	DET
ap-9380	57	3	context	context	NOUN
ap-9380	57	4	,	,	PUNCT
ap-9380	57	5	the	the	DET
ap-9380	57	6	primary	primary	ADJ
ap-9380	57	7	goals	goal	NOUN
ap-9380	57	8	of	of	ADP
ap-9380	57	9	this	this	DET
ap-9380	57	10	paper	paper	NOUN
ap-9380	57	11	are	be	AUX
ap-9380	57	12	to	to	PART
ap-9380	57	13	study	study	VERB
ap-9380	57	14	and	and	CCONJ
ap-9380	57	15	analyse	analyse	VERB
ap-9380	57	16	the	the	DET
ap-9380	57	17	envelope	envelope	NOUN
ap-9380	57	18	-	-	PUNCT
ap-9380	57	19	derivative	derivative	ADJ
ap-9380	57	20	operator	operator	NOUN
ap-9380	57	21	performance	performance	NOUN
ap-9380	57	22	and	and	CCONJ
ap-9380	57	23	effectiveness	effectiveness	NOUN
ap-9380	57	24	.	.	PUNCT
ap-9380	58	1	in	in	ADP
ap-9380	58	2	order	order	NOUN
ap-9380	58	3	to	to	PART
ap-9380	58	4	extract	extract	VERB
ap-9380	58	5	the	the	DET
ap-9380	58	6	gear	gear	NOUN
ap-9380	58	7	fault	fault	NOUN
ap-9380	58	8	features	feature	VERB
ap-9380	58	9	,	,	PUNCT
ap-9380	58	10	this	this	DET
ap-9380	58	11	technique	technique	NOUN
ap-9380	58	12	is	be	AUX
ap-9380	58	13	also	also	ADV
ap-9380	58	14	known	know	VERB
ap-9380	58	15	as	as	ADP
ap-9380	58	16	a	a	DET
ap-9380	58	17	frequency	frequency	NOUN
ap-9380	58	18	-	-	PUNCT
ap-9380	58	19	weighted	weight	VERB
ap-9380	58	20	energy	energy	NOUN
ap-9380	58	21	operator	operator	NOUN
ap-9380	58	22	.	.	PUNCT
ap-9380	59	1	the	the	DET
ap-9380	59	2	basic	basic	ADJ
ap-9380	59	3	principle	principle	NOUN
ap-9380	59	4	of	of	ADP
ap-9380	59	5	the	the	DET
ap-9380	59	6	proposed	propose	VERB
ap-9380	59	7	approach	approach	NOUN
ap-9380	59	8	is	be	AUX
ap-9380	59	9	based	base	VERB
ap-9380	59	10	on	on	ADP
ap-9380	59	11	the	the	DET
ap-9380	59	12	discrete	discrete	ADJ
ap-9380	59	13	hilbert	hilbert	NOUN
ap-9380	59	14	transform	transform	NOUN
ap-9380	59	15	,	,	PUNCT
ap-9380	59	16	where	where	SCONJ
ap-9380	59	17	the	the	DET
ap-9380	59	18	information	information	NOUN
ap-9380	59	19	contained	contain	VERB
ap-9380	59	20	in	in	ADP
ap-9380	59	21	the	the	DET
ap-9380	59	22	amplitude	amplitude	NOUN
ap-9380	59	23	and	and	CCONJ
ap-9380	59	24	frequency	frequency	NOUN
ap-9380	59	25	modulations	modulation	NOUN
ap-9380	59	26	(	(	PUNCT
ap-9380	59	27	am	be	AUX
ap-9380	59	28	and	and	CCONJ
ap-9380	59	29	fm	fm	VERB
ap-9380	59	30	)	)	PUNCT
ap-9380	59	31	are	be	AUX
ap-9380	59	32	jointly	jointly	ADV
ap-9380	59	33	derived	derive	VERB
ap-9380	59	34	by	by	ADP
ap-9380	59	35	a	a	DET
ap-9380	59	36	simple	simple	ADJ
ap-9380	59	37	mathematical	mathematical	ADJ
ap-9380	59	38	basis	basis	NOUN
ap-9380	59	39	.	.	PUNCT
ap-9380	60	1	then	then	ADV
ap-9380	60	2	,	,	PUNCT
ap-9380	60	3	a	a	DET
ap-9380	60	4	spectral	spectral	ADJ
ap-9380	60	5	analysis	analysis	NOUN
ap-9380	60	6	step	step	NOUN
ap-9380	60	7	is	be	AUX
ap-9380	60	8	performed	perform	VERB
ap-9380	60	9	after	after	ADP
ap-9380	60	10	the	the	DET
ap-9380	60	11	transformation	transformation	NOUN
ap-9380	60	12	to	to	PART
ap-9380	60	13	extract	extract	VERB
ap-9380	60	14	the	the	DET
ap-9380	60	15	exact	exact	ADJ
ap-9380	60	16	information	information	NOUN
ap-9380	60	17	and	and	CCONJ
ap-9380	60	18	evaluate	evaluate	VERB
ap-9380	60	19	the	the	DET
ap-9380	60	20	state	state	NOUN
ap-9380	60	21	of	of	ADP
ap-9380	60	22	the	the	DET
ap-9380	60	23	gearbox	gearbox	NOUN
ap-9380	60	24	.	.	PUNCT
ap-9380	61	1	it	it	PRON
ap-9380	61	2	provides	provide	VERB
ap-9380	61	3	an	an	DET
ap-9380	61	4	envelope	envelope	NOUN
ap-9380	61	5	rate	rate	NOUN
ap-9380	61	6	of	of	ADP
ap-9380	61	7	change	change	NOUN
ap-9380	61	8	measurement	measurement	NOUN
ap-9380	61	9	helpful	helpful	ADJ
ap-9380	61	10	in	in	ADP
ap-9380	61	11	detecting	detect	VERB
ap-9380	61	12	amplitude	amplitude	NOUN
ap-9380	61	13	and	and	CCONJ
ap-9380	61	14	frequency	frequency	NOUN
ap-9380	61	15	shifts	shift	NOUN
ap-9380	61	16	in	in	ADP
ap-9380	61	17	a	a	DET
ap-9380	61	18	signal	signal	NOUN
ap-9380	61	19	.	.	PUNCT
ap-9380	62	1	in	in	ADP
ap-9380	62	2	order	order	NOUN
ap-9380	62	3	to	to	PART
ap-9380	62	4	identify	identify	VERB
ap-9380	62	5	the	the	DET
ap-9380	62	6	impulsive	impulsive	ADJ
ap-9380	62	7	-	-	PUNCT
ap-9380	62	8	like	like	ADJ
ap-9380	62	9	behaviour	behaviour	NOUN
ap-9380	62	10	associated	associate	VERB
ap-9380	62	11	with	with	ADP
ap-9380	62	12	gear	gear	NOUN
ap-9380	62	13	faults	fault	NOUN
ap-9380	62	14	,	,	PUNCT
ap-9380	62	15	the	the	DET
ap-9380	62	16	edo	edo	PROPN
ap-9380	62	17	analyses	analyse	VERB
ap-9380	62	18	the	the	DET
ap-9380	62	19	energy	energy	NOUN
ap-9380	62	20	content	content	NOUN
ap-9380	62	21	of	of	ADP
ap-9380	62	22	the	the	DET
ap-9380	62	23	signal	signal	NOUN
ap-9380	62	24	in	in	ADP
ap-9380	62	25	the	the	DET
ap-9380	62	26	temporary	temporary	ADJ
ap-9380	62	27	and	and	CCONJ
ap-9380	62	28	frequency	frequency	NOUN
ap-9380	62	29	domains	domain	NOUN
ap-9380	62	30	.	.	PUNCT
ap-9380	63	1	this	this	DET
ap-9380	63	2	paper	paper	NOUN
ap-9380	63	3	describes	describe	VERB
ap-9380	63	4	the	the	DET
ap-9380	63	5	proposed	propose	VERB
ap-9380	63	6	edo	edo	PROPN
ap-9380	63	7	approach	approach	NOUN
ap-9380	63	8	efficiency	efficiency	NOUN
ap-9380	63	9	on	on	ADP
ap-9380	63	10	gear	gear	NOUN
ap-9380	63	11	fault	fault	NOUN
ap-9380	63	12	diagnosis	diagnosis	NOUN
ap-9380	63	13	in	in	ADP
ap-9380	63	14	various	various	ADJ
ap-9380	63	15	experimental	experimental	ADJ
ap-9380	63	16	conditions	condition	NOUN
ap-9380	63	17	with	with	ADP
ap-9380	63	18	no	no	DET
ap-9380	63	19	data	datum	NOUN
ap-9380	63	20	fitting	fit	VERB
ap-9380	63	21	necessary	necessary	ADJ
ap-9380	63	22	and	and	CCONJ
ap-9380	63	23	a	a	DET
ap-9380	63	24	minimal	minimal	ADJ
ap-9380	63	25	computational	computational	ADJ
ap-9380	63	26	demands	demand	NOUN
ap-9380	63	27	.	.	PUNCT
ap-9380	64	1	the	the	DET
ap-9380	64	2	effectiveness	effectiveness	NOUN
ap-9380	64	3	and	and	CCONJ
ap-9380	64	4	performance	performance	NOUN
ap-9380	64	5	study	study	NOUN
ap-9380	64	6	of	of	ADP
ap-9380	64	7	the	the	DET
ap-9380	64	8	proposed	propose	VERB
ap-9380	64	9	approach	approach	NOUN
ap-9380	64	10	,	,	PUNCT
ap-9380	64	11	applied	apply	VERB
ap-9380	64	12	for	for	ADP
ap-9380	64	13	gear	gear	NOUN
ap-9380	64	14	teeth	tooth	NOUN
ap-9380	64	15	defect	defect	NOUN
ap-9380	64	16	diagnosis	diagnosis	NOUN
ap-9380	64	17	,	,	PUNCT
ap-9380	64	18	is	be	AUX
ap-9380	64	19	based	base	VERB
ap-9380	64	20	on	on	ADP
ap-9380	64	21	a	a	DET
ap-9380	64	22	methodology	methodology	NOUN
ap-9380	64	23	illustrated	illustrate	VERB
ap-9380	64	24	in	in	ADP
ap-9380	64	25	two	two	NUM
ap-9380	64	26	different	different	ADJ
ap-9380	64	27	steps	step	NOUN
ap-9380	64	28	:	:	PUNCT
ap-9380	64	29	first	first	ADV
ap-9380	64	30	,	,	PUNCT
ap-9380	64	31	we	we	PRON
ap-9380	64	32	tested	test	VERB
ap-9380	64	33	and	and	CCONJ
ap-9380	64	34	validated	validate	VERB
ap-9380	64	35	this	this	DET
ap-9380	64	36	approach	approach	NOUN
ap-9380	64	37	in	in	ADP
ap-9380	64	38	matlab	matlab	PROPN
ap-9380	64	39	.	.	PUNCT
ap-9380	65	1	then	then	ADV
ap-9380	65	2	,	,	PUNCT
ap-9380	65	3	experimental	experimental	ADJ
ap-9380	65	4	studies	study	NOUN
ap-9380	65	5	are	be	AUX
ap-9380	65	6	carried	carry	VERB
ap-9380	65	7	out	out	ADP
ap-9380	65	8	on	on	ADP
ap-9380	65	9	a	a	DET
ap-9380	65	10	real	real	ADJ
ap-9380	65	11	gearbox	gearbox	NOUN
ap-9380	65	12	in	in	ADP
ap-9380	65	13	order	order	NOUN
ap-9380	65	14	to	to	PART
ap-9380	65	15	validate	validate	VERB
ap-9380	65	16	the	the	DET
ap-9380	65	17	proposed	propose	VERB
ap-9380	65	18	method	method	NOUN
ap-9380	65	19	for	for	ADP
ap-9380	65	20	gear	gear	NOUN
ap-9380	65	21	teeth	tooth	NOUN
ap-9380	65	22	defect	defect	NOUN
ap-9380	65	23	on	on	ADP
ap-9380	65	24	a	a	DET
ap-9380	65	25	system	system	NOUN
ap-9380	65	26	driven	drive	VERB
ap-9380	65	27	by	by	ADP
ap-9380	65	28	an	an	DET
ap-9380	65	29	electric	electric	ADJ
ap-9380	65	30	motor	motor	NOUN
ap-9380	65	31	.	.	PUNCT
ap-9380	66	1	2	2	X
ap-9380	66	2	.	.	X
ap-9380	66	3	theoretical	theoretical	ADJ
ap-9380	66	4	background	background	NOUN
ap-9380	66	5	the	the	DET
ap-9380	66	6	analytical	analytical	ADJ
ap-9380	66	7	signal	signal	NOUN
ap-9380	66	8	is	be	AUX
ap-9380	66	9	frequently	frequently	ADV
ap-9380	66	10	used	use	VERB
ap-9380	66	11	for	for	ADP
ap-9380	66	12	a	a	DET
ap-9380	66	13	modulated	modulate	VERB
ap-9380	66	14	signal	signal	NOUN
ap-9380	66	15	x(t	x(t	PROPN
ap-9380	66	16	)	)	PUNCT
ap-9380	66	17	,	,	PUNCT
ap-9380	66	18	which	which	PRON
ap-9380	66	19	is	be	AUX
ap-9380	66	20	established	establish	VERB
ap-9380	66	21	by	by	ADP
ap-9380	66	22	:	:	PUNCT
ap-9380	66	23	x(t	x(t	PROPN
ap-9380	66	24	)	)	PUNCT
ap-9380	66	25	=	=	SYM
ap-9380	66	26	x(t	x(t	PROPN
ap-9380	66	27	)	)	PUNCT
ap-9380	66	28	+	+	CCONJ
ap-9380	67	1	jh[x(t	jh[x(t	PROPN
ap-9380	67	2	)	)	PUNCT
ap-9380	67	3	]	]	PUNCT
ap-9380	67	4	=	=	SYM
ap-9380	67	5	a(t)ejφ(t	a(t)ejφ(t	ADJ
ap-9380	67	6	)	)	PUNCT
ap-9380	67	7	,	,	PUNCT
ap-9380	67	8	(	(	PUNCT
ap-9380	67	9	1	1	X
ap-9380	67	10	)	)	PUNCT
ap-9380	67	11	where	where	SCONJ
ap-9380	67	12	h[x(t	h[x(t	NOUN
ap-9380	67	13	)	)	PUNCT
ap-9380	67	14	]	]	PUNCT
ap-9380	67	15	is	be	AUX
ap-9380	67	16	the	the	DET
ap-9380	67	17	hilbert	hilbert	NOUN
ap-9380	67	18	transform	transform	NOUN
ap-9380	67	19	of	of	ADP
ap-9380	67	20	x(t	x(t	PROPN
ap-9380	67	21	)	)	PUNCT
ap-9380	67	22	,	,	PUNCT
ap-9380	67	23	a(t	a(t	NOUN
ap-9380	67	24	)	)	PUNCT
ap-9380	67	25	and	and	CCONJ
ap-9380	67	26	φ(t	φ(t	PROPN
ap-9380	67	27	)	)	PUNCT
ap-9380	67	28	are	be	AUX
ap-9380	67	29	the	the	DET
ap-9380	67	30	instantaneous	instantaneous	ADJ
ap-9380	67	31	amplitude	amplitude	NOUN
ap-9380	67	32	(	(	PUNCT
ap-9380	67	33	envelope	envelope	NOUN
ap-9380	67	34	,	,	PUNCT
ap-9380	67	35	magnitude	magnitude	NOUN
ap-9380	67	36	)	)	PUNCT
ap-9380	67	37	and	and	CCONJ
ap-9380	67	38	instantaneous	instantaneous	ADJ
ap-9380	67	39	phase	phase	NOUN
ap-9380	67	40	,	,	PUNCT
ap-9380	67	41	respectively	respectively	ADV
ap-9380	67	42	.	.	PUNCT
ap-9380	68	1	as	as	SCONJ
ap-9380	68	2	described	describe	VERB
ap-9380	68	3	in	in	ADP
ap-9380	68	4	[	[	X
ap-9380	68	5	25	25	NUM
ap-9380	68	6	,	,	PUNCT
ap-9380	68	7	26	26	NUM
ap-9380	68	8	]	]	PUNCT
ap-9380	68	9	,	,	PUNCT
ap-9380	68	10	the	the	DET
ap-9380	68	11	signal	signal	NOUN
ap-9380	68	12	’s	’s	PART
ap-9380	68	13	amplitude	amplitude	NOUN
ap-9380	68	14	square	square	NOUN
ap-9380	68	15	provides	provide	VERB
ap-9380	68	16	the	the	DET
ap-9380	68	17	instantaneous	instantaneous	ADJ
ap-9380	68	18	energy	energy	NOUN
ap-9380	68	19	:	:	PUNCT
ap-9380	68	20	s[x(t	s[x(t	PROPN
ap-9380	68	21	)	)	PUNCT
ap-9380	68	22	]	]	PUNCT
ap-9380	69	1	=	=	PUNCT
ap-9380	69	2	|x(t)|2	|x(t)|2	X
ap-9380	69	3	=	=	SYM
ap-9380	69	4	|x(t	|x(t	PROPN
ap-9380	69	5	)	)	PUNCT
ap-9380	69	6	+	+	NOUN
ap-9380	69	7	h[x(t)]|	h[x(t)]|	VERB
ap-9380	69	8	2	2	NUM
ap-9380	69	9	.	.	PUNCT
ap-9380	70	1	(	(	PUNCT
ap-9380	70	2	2	2	X
ap-9380	70	3	)	)	PUNCT
ap-9380	70	4	the	the	DET
ap-9380	70	5	teager	teager	NOUN
ap-9380	70	6	-	-	PUNCT
ap-9380	70	7	kaiser	kaiser	NOUN
ap-9380	70	8	energy	energy	NOUN
ap-9380	70	9	operator	operator	NOUN
ap-9380	70	10	(	(	PUNCT
ap-9380	70	11	tkeo	tkeo	PROPN
ap-9380	70	12	)	)	PUNCT
ap-9380	70	13	is	be	AUX
ap-9380	70	14	a	a	DET
ap-9380	70	15	method	method	NOUN
ap-9380	70	16	that	that	PRON
ap-9380	70	17	was	be	AUX
ap-9380	70	18	initially	initially	ADV
ap-9380	70	19	developed	develop	VERB
ap-9380	70	20	for	for	ADP
ap-9380	70	21	non	non	ADJ
ap-9380	70	22	-	-	ADJ
ap-9380	70	23	linear	linear	ADJ
ap-9380	70	24	168	168	NUM
ap-9380	70	25	vol	vol	NOUN
ap-9380	70	26	.	.	PUNCT
ap-9380	71	1	65	65	NUM
ap-9380	71	2	no	no	INTJ
ap-9380	71	3	.	.	PUNCT
ap-9380	72	1	2/2025	2/2025	NUM
ap-9380	72	2	a	a	DET
ap-9380	72	3	novel	novel	ADJ
ap-9380	72	4	approach	approach	NOUN
ap-9380	72	5	to	to	PART
ap-9380	72	6	feature	feature	VERB
ap-9380	72	7	extraction	extraction	NOUN
ap-9380	72	8	from	from	ADP
ap-9380	72	9	gear	gear	NOUN
ap-9380	72	10	condition	condition	NOUN
ap-9380	72	11	.	.	PUNCT
ap-9380	72	12	.	.	PUNCT
ap-9380	73	1	.	.	PUNCT
ap-9380	74	1	speech	speech	NOUN
ap-9380	74	2	processing	processing	NOUN
ap-9380	74	3	as	as	ADP
ap-9380	74	4	per	per	ADP
ap-9380	74	5	[	[	X
ap-9380	74	6	27	27	NUM
ap-9380	74	7	]	]	PUNCT
ap-9380	74	8	,	,	PUNCT
ap-9380	74	9	for	for	ADP
ap-9380	74	10	a	a	DET
ap-9380	74	11	signal	signal	ADJ
ap-9380	74	12	x(t	x(t	PROPN
ap-9380	74	13	)	)	PUNCT
ap-9380	74	14	that	that	PRON
ap-9380	74	15	is	be	AUX
ap-9380	74	16	continuous	continuous	ADJ
ap-9380	74	17	in	in	ADP
ap-9380	74	18	time	time	NOUN
ap-9380	74	19	,	,	PUNCT
ap-9380	74	20	tkeo	tkeo	PROPN
ap-9380	74	21	is	be	AUX
ap-9380	74	22	represented	represent	VERB
ap-9380	74	23	as	as	ADP
ap-9380	74	24	:	:	PUNCT
ap-9380	74	25	ψ[x(t	ψ[x(t	NOUN
ap-9380	74	26	)	)	PUNCT
ap-9380	74	27	]	]	PUNCT
ap-9380	75	1	=	=	SYM
ap-9380	75	2	(	(	PUNCT
ap-9380	75	3	dx(t	dx(t	PROPN
ap-9380	75	4	)	)	PUNCT
ap-9380	75	5	dt	dt	NOUN
ap-9380	75	6	)	)	PUNCT
ap-9380	75	7	2	2	NUM
ap-9380	75	8	−	−	NOUN
ap-9380	75	9	x(t)d	x(t)d	PROPN
ap-9380	75	10	2x(t	2x(t	NOUN
ap-9380	75	11	)	)	PUNCT
ap-9380	75	12	dt2	dt2	PROPN
ap-9380	75	13	.	.	PUNCT
ap-9380	76	1	(	(	PUNCT
ap-9380	76	2	3	3	NUM
ap-9380	76	3	)	)	PUNCT
ap-9380	76	4	therefore	therefore	ADV
ap-9380	76	5	,	,	PUNCT
ap-9380	76	6	the	the	DET
ap-9380	76	7	tkeo	tkeo	NOUN
ap-9380	76	8	is	be	AUX
ap-9380	76	9	determined	determine	VERB
ap-9380	76	10	in	in	ADP
ap-9380	76	11	a	a	DET
ap-9380	76	12	discrete	discrete	ADJ
ap-9380	76	13	format	format	NOUN
ap-9380	76	14	by	by	ADP
ap-9380	76	15	[	[	X
ap-9380	76	16	28	28	NUM
ap-9380	76	17	,	,	PUNCT
ap-9380	76	18	29	29	NUM
ap-9380	76	19	]	]	NUM
ap-9380	76	20	:	:	PUNCT
ap-9380	76	21	ψ[x(n	ψ[x(n	NOUN
ap-9380	76	22	)	)	PUNCT
ap-9380	76	23	]	]	PUNCT
ap-9380	77	1	=	=	PUNCT
ap-9380	78	1	[	[	X
ap-9380	78	2	x(n)]2	x(n)]2	X
ap-9380	79	1	−	−	X
ap-9380	80	1	[	[	X
ap-9380	80	2	x(n+	x(n+	X
ap-9380	80	3	1)x(n−	1)x(n−	NUM
ap-9380	80	4	1	1	NUM
ap-9380	80	5	)	)	PUNCT
ap-9380	80	6	]	]	PUNCT
ap-9380	80	7	.	.	PUNCT
ap-9380	81	1	(	(	PUNCT
ap-9380	81	2	4	4	X
ap-9380	81	3	)	)	PUNCT
ap-9380	81	4	the	the	DET
ap-9380	81	5	tkeo	tkeo	PROPN
ap-9380	81	6	correlates	correlate	VERB
ap-9380	81	7	the	the	DET
ap-9380	81	8	energy	energy	NOUN
ap-9380	81	9	of	of	ADP
ap-9380	81	10	a	a	DET
ap-9380	81	11	signal	signal	NOUN
ap-9380	81	12	with	with	ADP
ap-9380	81	13	its	its	PRON
ap-9380	81	14	frequency	frequency	NOUN
ap-9380	81	15	composition	composition	NOUN
ap-9380	81	16	for	for	ADP
ap-9380	81	17	a	a	DET
ap-9380	81	18	given	give	VERB
ap-9380	81	19	signal	signal	NOUN
ap-9380	81	20	,	,	PUNCT
ap-9380	81	21	for	for	ADP
ap-9380	81	22	example	example	NOUN
ap-9380	81	23	ψ(a	ψ(a	PROPN
ap-9380	81	24	cos(ω0	cos(ω0	PROPN
ap-9380	81	25	+	+	PROPN
ap-9380	81	26	φ	φ	NOUN
ap-9380	81	27	)	)	PUNCT
ap-9380	81	28	)	)	PUNCT
ap-9380	82	1	=	=	SYM
ap-9380	82	2	a2	a2	PROPN
ap-9380	82	3	ω2	ω2	ADJ
ap-9380	82	4	0	0	NUM
ap-9380	82	5	.	.	PUNCT
ap-9380	83	1	to	to	PART
ap-9380	83	2	maintain	maintain	VERB
ap-9380	83	3	the	the	DET
ap-9380	83	4	similarity	similarity	NOUN
ap-9380	83	5	with	with	ADP
ap-9380	83	6	tkeo	tkeo	NOUN
ap-9380	83	7	,	,	PUNCT
ap-9380	83	8	it	it	PRON
ap-9380	83	9	is	be	AUX
ap-9380	83	10	proposed	propose	VERB
ap-9380	83	11	in	in	ADP
ap-9380	83	12	[	[	X
ap-9380	83	13	30	30	NUM
ap-9380	83	14	]	]	PUNCT
ap-9380	83	15	to	to	PART
ap-9380	83	16	include	include	VERB
ap-9380	83	17	the	the	DET
ap-9380	83	18	frequency	frequency	NOUN
ap-9380	83	19	information	information	NOUN
ap-9380	83	20	in	in	ADP
ap-9380	83	21	the	the	DET
ap-9380	83	22	envelope	envelope	NOUN
ap-9380	83	23	by	by	ADP
ap-9380	83	24	implementing	implement	VERB
ap-9380	83	25	a	a	DET
ap-9380	83	26	weighting	weighting	NOUN
ap-9380	83	27	filter	filter	NOUN
ap-9380	83	28	.	.	PUNCT
ap-9380	84	1	if	if	SCONJ
ap-9380	84	2	the	the	DET
ap-9380	84	3	fourier	fourier	NOUN
ap-9380	84	4	transform	transform	NOUN
ap-9380	84	5	of	of	ADP
ap-9380	84	6	x(t	x(t	PROPN
ap-9380	84	7	)	)	PUNCT
ap-9380	84	8	x(t	x(t	PROPN
ap-9380	84	9	)	)	PUNCT
ap-9380	84	10	is	be	AUX
ap-9380	84	11	x(ω	x(ω	NOUN
ap-9380	84	12	)	)	PUNCT
ap-9380	84	13	.	.	PUNCT
ap-9380	85	1	using	use	VERB
ap-9380	85	2	the	the	DET
ap-9380	85	3	property	property	NOUN
ap-9380	85	4	of	of	ADP
ap-9380	85	5	harmony	harmony	NOUN
ap-9380	85	6	that	that	SCONJ
ap-9380	85	7	ẋ(t	ẋ(t	NOUN
ap-9380	85	8	)	)	PUNCT
ap-9380	85	9	=	=	PUNCT
ap-9380	85	10	jωx(ω	jωx(ω	X
ap-9380	85	11	)	)	PUNCT
ap-9380	85	12	and	and	CCONJ
ap-9380	85	13	chosing	chose	VERB
ap-9380	85	14	the	the	DET
ap-9380	85	15	derivative	derivative	ADJ
ap-9380	85	16	function	function	NOUN
ap-9380	85	17	as	as	ADP
ap-9380	85	18	the	the	DET
ap-9380	85	19	weighting	weighting	NOUN
ap-9380	85	20	filter	filter	NOUN
ap-9380	85	21	.	.	PUNCT
ap-9380	86	1	the	the	DET
ap-9380	86	2	envelope	envelope	NOUN
ap-9380	86	3	derivative	derivative	NOUN
ap-9380	86	4	operator	operator	NOUN
ap-9380	86	5	(	(	PUNCT
ap-9380	86	6	edo	edo	PROPN
ap-9380	86	7	)	)	PUNCT
ap-9380	86	8	is	be	AUX
ap-9380	86	9	defined	define	VERB
ap-9380	86	10	as	as	ADP
ap-9380	86	11	:	:	PUNCT
ap-9380	86	12	γ(t	γ(t	NOUN
ap-9380	86	13	)	)	PUNCT
ap-9380	86	14	=	=	SYM
ap-9380	86	15	|ẋ(t	|ẋ(t	X
ap-9380	86	16	)	)	PUNCT
ap-9380	87	1	+	+	CCONJ
ap-9380	87	2	jh[ẋ(t)]|2	jh[ẋ(t)]|2	NOUN
ap-9380	87	3	=	=	PUNCT
ap-9380	87	4	ẋ2(t	ẋ2(t	PROPN
ap-9380	87	5	)	)	PUNCT
ap-9380	88	1	+	+	NOUN
ap-9380	88	2	h[ẋ(t)]2	h[ẋ(t)]2	X
ap-9380	88	3	.	.	PUNCT
ap-9380	89	1	(	(	PUNCT
ap-9380	89	2	5	5	NUM
ap-9380	89	3	)	)	PUNCT
ap-9380	89	4	for	for	ADP
ap-9380	89	5	a	a	DET
ap-9380	89	6	discrete	discrete	ADJ
ap-9380	89	7	signal	signal	NOUN
ap-9380	89	8	x	x	X
ap-9380	89	9	(	(	PUNCT
ap-9380	89	10	n	n	CCONJ
ap-9380	89	11	)	)	PUNCT
ap-9380	89	12	,	,	PUNCT
ap-9380	89	13	the	the	DET
ap-9380	89	14	edo	edo	PROPN
ap-9380	89	15	is	be	AUX
ap-9380	89	16	expressed	express	VERB
ap-9380	89	17	as	as	ADP
ap-9380	89	18	:	:	PUNCT
ap-9380	89	19	γ[x(n	γ[x(n	NOUN
ap-9380	89	20	)	)	PUNCT
ap-9380	89	21	]	]	PUNCT
ap-9380	90	1	=	=	SYM
ap-9380	90	2	1	1	NUM
ap-9380	90	3	4	4	NUM
ap-9380	90	4	[	[	PUNCT
ap-9380	90	5	x2(n+	x2(n+	PROPN
ap-9380	90	6	1	1	NUM
ap-9380	90	7	)	)	PUNCT
ap-9380	90	8	+	+	CCONJ
ap-9380	90	9	x2(n−	x2(n−	PROPN
ap-9380	90	10	1	1	X
ap-9380	90	11	)	)	PUNCT
ap-9380	90	12	+	+	CCONJ
ap-9380	90	13	h2(n+	h2(n+	PROPN
ap-9380	90	14	1	1	NUM
ap-9380	90	15	)	)	PUNCT
ap-9380	90	16	+	+	CCONJ
ap-9380	90	17	h2(n−	h2(n−	X
ap-9380	90	18	1	1	NUM
ap-9380	90	19	)	)	PUNCT
ap-9380	90	20	]	]	PUNCT
ap-9380	91	1	+	+	CCONJ
ap-9380	91	2	1	1	NUM
ap-9380	91	3	2	2	NUM
ap-9380	91	4	[	[	X
ap-9380	91	5	x(n+	x(n+	NOUN
ap-9380	91	6	1	1	X
ap-9380	91	7	)	)	PUNCT
ap-9380	91	8	+	+	CCONJ
ap-9380	91	9	x(n−	x(n−	PROPN
ap-9380	91	10	1	1	NUM
ap-9380	91	11	)	)	PUNCT
ap-9380	91	12	+	+	NUM
ap-9380	91	13	h(n+	h(n+	NOUN
ap-9380	91	14	1	1	NUM
ap-9380	91	15	)	)	PUNCT
ap-9380	91	16	+	+	CCONJ
ap-9380	91	17	h(n−	h(n−	PROPN
ap-9380	91	18	1	1	NUM
ap-9380	91	19	)	)	PUNCT
ap-9380	91	20	]	]	PUNCT
ap-9380	91	21	,	,	PUNCT
ap-9380	91	22	(	(	PUNCT
ap-9380	91	23	6	6	NUM
ap-9380	91	24	)	)	PUNCT
ap-9380	91	25	where	where	SCONJ
ap-9380	91	26	h	h	NOUN
ap-9380	91	27	(	(	PUNCT
ap-9380	91	28	n	n	CCONJ
ap-9380	91	29	)	)	PUNCT
ap-9380	91	30	is	be	AUX
ap-9380	91	31	the	the	DET
ap-9380	91	32	discrete	discrete	ADJ
ap-9380	91	33	hilbert	hilbert	NOUN
ap-9380	91	34	transform	transform	NOUN
ap-9380	91	35	,	,	PUNCT
ap-9380	91	36	defined	define	VERB
ap-9380	91	37	as	as	ADP
ap-9380	91	38	:	:	PUNCT
ap-9380	91	39	h	h	PROPN
ap-9380	91	40	(	(	PUNCT
ap-9380	91	41	n	n	CCONJ
ap-9380	91	42	)	)	PUNCT
ap-9380	91	43	=	=	NOUN
ap-9380	92	1	[	[	X
ap-9380	92	2	x	x	X
ap-9380	92	3	(	(	PUNCT
ap-9380	92	4	n	n	CCONJ
ap-9380	92	5	)	)	PUNCT
ap-9380	92	6	]	]	PUNCT
ap-9380	92	7	.	.	PUNCT
ap-9380	93	1	for	for	ADP
ap-9380	93	2	a	a	DET
ap-9380	93	3	signal	signal	NOUN
ap-9380	93	4	that	that	PRON
ap-9380	93	5	is	be	AUX
ap-9380	93	6	modulated	modulate	VERB
ap-9380	93	7	in	in	ADP
ap-9380	93	8	amplitude	amplitude	NOUN
ap-9380	93	9	,	,	PUNCT
ap-9380	93	10	expressed	express	VERB
ap-9380	93	11	as	as	ADP
ap-9380	93	12	:	:	PUNCT
ap-9380	93	13	x(t	x(t	PROPN
ap-9380	93	14	)	)	PUNCT
ap-9380	93	15	=	=	PUNCT
ap-9380	93	16	aeat	aeat	NOUN
ap-9380	93	17	cos(ω0t+	cos(ω0t+	PROPN
ap-9380	93	18	φ	φ	PROPN
ap-9380	93	19	)	)	PUNCT
ap-9380	93	20	.	.	PUNCT
ap-9380	94	1	(	(	PUNCT
ap-9380	94	2	7	7	X
ap-9380	94	3	)	)	PUNCT
ap-9380	94	4	the	the	DET
ap-9380	94	5	frequency	frequency	NOUN
ap-9380	94	6	domain	domain	NOUN
ap-9380	94	7	representation	representation	NOUN
ap-9380	94	8	can	can	AUX
ap-9380	94	9	be	be	AUX
ap-9380	94	10	analysed	analyse	VERB
ap-9380	94	11	using	use	VERB
ap-9380	94	12	the	the	DET
ap-9380	94	13	edo	edo	PROPN
ap-9380	94	14	.	.	PUNCT
ap-9380	95	1	the	the	DET
ap-9380	95	2	two	two	NUM
ap-9380	95	3	fundamental	fundamental	ADJ
ap-9380	95	4	components	component	NOUN
ap-9380	95	5	of	of	ADP
ap-9380	95	6	the	the	DET
ap-9380	95	7	edo	edo	PROPN
ap-9380	95	8	extension	extension	NOUN
ap-9380	95	9	are	be	AUX
ap-9380	95	10	:	:	PUNCT
ap-9380	95	11	ẋ(t	ẋ(t	X
ap-9380	95	12	)	)	PUNCT
ap-9380	95	13	=	=	PRON
ap-9380	95	14	aeat	aeat	NOUN
ap-9380	96	1	[	[	X
ap-9380	96	2	a	a	DET
ap-9380	96	3	cos(ω0t+	cos(ω0t+	PROPN
ap-9380	96	4	φ	φ	NUM
ap-9380	96	5	)	)	PUNCT
ap-9380	96	6	−	−	PROPN
ap-9380	96	7	ω	ω	PROPN
ap-9380	96	8	sin(ω0t+	sin(ω0t+	PROPN
ap-9380	96	9	φ	φ	PROPN
ap-9380	96	10	)	)	PUNCT
ap-9380	96	11	]	]	PUNCT
ap-9380	96	12	,	,	PUNCT
ap-9380	96	13	(	(	PUNCT
ap-9380	96	14	8)	8)	NUM
ap-9380	96	15	h[ẋ(t	h[ẋ(t	NOUN
ap-9380	96	16	)	)	PUNCT
ap-9380	96	17	]	]	PUNCT
ap-9380	97	1	=	=	PUNCT
ap-9380	97	2	aeat	aeat	NOUN
ap-9380	98	1	[	[	X
ap-9380	98	2	a	a	DET
ap-9380	98	3	sin(ω0t+	sin(ω0t+	PROPN
ap-9380	98	4	φ	φ	PROPN
ap-9380	98	5	)	)	PUNCT
ap-9380	98	6	+	+	NUM
ap-9380	98	7	ω	ω	NUM
ap-9380	98	8	cos(ω0t+	cos(ω0t+	PROPN
ap-9380	98	9	φ	φ	PROPN
ap-9380	98	10	)	)	PUNCT
ap-9380	98	11	]	]	PUNCT
ap-9380	98	12	.	.	PUNCT
ap-9380	99	1	(	(	PUNCT
ap-9380	99	2	9	9	NUM
ap-9380	99	3	)	)	PUNCT
ap-9380	99	4	then	then	ADV
ap-9380	99	5	the	the	DET
ap-9380	99	6	edo	edo	PROPN
ap-9380	99	7	is	be	AUX
ap-9380	99	8	applied	apply	VERB
ap-9380	99	9	to	to	ADP
ap-9380	99	10	the	the	DET
ap-9380	99	11	amplitudemodulated	amplitudemodulated	ADJ
ap-9380	99	12	signal	signal	NOUN
ap-9380	99	13	,	,	PUNCT
ap-9380	99	14	resulting	result	VERB
ap-9380	99	15	in	in	ADP
ap-9380	99	16	a	a	DET
ap-9380	99	17	calculation	calculation	NOUN
ap-9380	99	18	of	of	ADP
ap-9380	99	19	:	:	PUNCT
ap-9380	99	20	γ[x(n	γ[x(n	NOUN
ap-9380	99	21	)	)	PUNCT
ap-9380	99	22	]	]	PUNCT
ap-9380	100	1	=	=	PUNCT
ap-9380	100	2	a2	a2	PROPN
ap-9380	100	3	e2αt	e2αt	PUNCT
ap-9380	100	4	(	(	PUNCT
ap-9380	100	5	ω2	ω2	ADJ
ap-9380	100	6	0	0	NUM
ap-9380	100	7	+	+	NUM
ap-9380	100	8	a2	a2	NOUN
ap-9380	100	9	)	)	PUNCT
ap-9380	100	10	.	.	PUNCT
ap-9380	101	1	(	(	PUNCT
ap-9380	101	2	10	10	NUM
ap-9380	101	3	)	)	PUNCT
ap-9380	101	4	as	as	ADP
ap-9380	101	5	a	a	DET
ap-9380	101	6	result	result	NOUN
ap-9380	101	7	,	,	PUNCT
ap-9380	101	8	the	the	DET
ap-9380	101	9	amplitude	amplitude	NOUN
ap-9380	101	10	e2αt	e2αt	NOUN
ap-9380	101	11	,	,	PUNCT
ap-9380	101	12	which	which	PRON
ap-9380	101	13	varies	vary	VERB
ap-9380	101	14	over	over	ADP
ap-9380	101	15	time	time	NOUN
ap-9380	101	16	,	,	PUNCT
ap-9380	101	17	is	be	AUX
ap-9380	101	18	the	the	DET
ap-9380	101	19	term	term	NOUN
ap-9380	101	20	that	that	PRON
ap-9380	101	21	the	the	DET
ap-9380	101	22	operator	operator	NOUN
ap-9380	101	23	is	be	AUX
ap-9380	101	24	interested	interested	ADJ
ap-9380	101	25	in	in	ADP
ap-9380	101	26	tracking	tracking	NOUN
ap-9380	101	27	.	.	PUNCT
ap-9380	102	1	for	for	ADP
ap-9380	102	2	a	a	DET
ap-9380	102	3	signal	signal	NOUN
ap-9380	102	4	that	that	PRON
ap-9380	102	5	is	be	AUX
ap-9380	102	6	modulated	modulate	VERB
ap-9380	102	7	in	in	ADP
ap-9380	102	8	frequency	frequency	NOUN
ap-9380	102	9	,	,	PUNCT
ap-9380	102	10	expressed	express	VERB
ap-9380	102	11	as	as	ADP
ap-9380	102	12	:	:	PUNCT
ap-9380	102	13	y	y	PROPN
ap-9380	102	14	(	(	PUNCT
ap-9380	102	15	t	t	PROPN
ap-9380	102	16	)	)	PUNCT
ap-9380	102	17	=	=	SYM
ap-9380	102	18	b	b	X
ap-9380	102	19	(	(	PUNCT
ap-9380	102	20	cos[φ(t	cos[φ(t	NOUN
ap-9380	102	21	)	)	PUNCT
ap-9380	102	22	]	]	PUNCT
ap-9380	102	23	)	)	PUNCT
ap-9380	102	24	,	,	PUNCT
ap-9380	102	25	(	(	PUNCT
ap-9380	102	26	11	11	NUM
ap-9380	102	27	)	)	PUNCT
ap-9380	102	28	with	with	ADP
ap-9380	102	29	:	:	PUNCT
ap-9380	102	30	φ(t	φ(t	NUM
ap-9380	102	31	)	)	PUNCT
ap-9380	102	32	=	=	PUNCT
ap-9380	102	33	ω0t+	ω0t+	ADP
ap-9380	102	34	t∫	t∫	PRON
ap-9380	102	35	0	0	NUM
ap-9380	102	36	f(τ)dτ	f(τ)dτ	PROPN
ap-9380	102	37	.	.	PUNCT
ap-9380	103	1	(	(	PUNCT
ap-9380	103	2	12	12	NUM
ap-9380	103	3	)	)	PUNCT
ap-9380	103	4	the	the	DET
ap-9380	103	5	frequency	frequency	NOUN
ap-9380	103	6	domain	domain	NOUN
ap-9380	103	7	representation	representation	NOUN
ap-9380	103	8	can	can	AUX
ap-9380	103	9	be	be	AUX
ap-9380	103	10	analysed	analyse	VERB
ap-9380	103	11	using	use	VERB
ap-9380	103	12	the	the	DET
ap-9380	103	13	edo	edo	PROPN
ap-9380	103	14	.	.	PUNCT
ap-9380	104	1	the	the	DET
ap-9380	104	2	two	two	NUM
ap-9380	104	3	fundamental	fundamental	ADJ
ap-9380	104	4	components	component	NOUN
ap-9380	104	5	of	of	ADP
ap-9380	104	6	the	the	DET
ap-9380	104	7	edo	edo	PROPN
ap-9380	104	8	expansion	expansion	NOUN
ap-9380	104	9	are	be	AUX
ap-9380	104	10	:	:	PUNCT
ap-9380	104	11	ẋ(t	ẋ(t	X
ap-9380	104	12	)	)	PUNCT
ap-9380	104	13	=	=	PUNCT
ap-9380	105	1	a	a	PRON
ap-9380	106	1	[	[	X
ap-9380	106	2	ω0	ω0	NOUN
ap-9380	106	3	+	+	ADJ
ap-9380	106	4	f(t	f(t	NOUN
ap-9380	106	5	)	)	PUNCT
ap-9380	106	6	]	]	PUNCT
ap-9380	106	7	sin	sin	NOUN
ap-9380	106	8	(	(	PUNCT
ap-9380	106	9	φ(t	φ(t	PROPN
ap-9380	106	10	)	)	PUNCT
ap-9380	106	11	)	)	PUNCT
ap-9380	106	12	,	,	PUNCT
ap-9380	106	13	(	(	PUNCT
ap-9380	106	14	13	13	NUM
ap-9380	106	15	)	)	PUNCT
ap-9380	106	16	h[ẋ(t	h[ẋ(t	NOUN
ap-9380	106	17	)	)	PUNCT
ap-9380	106	18	]	]	PUNCT
ap-9380	107	1	=	=	PUNCT
ap-9380	107	2	a	a	DET
ap-9380	107	3	[	[	X
ap-9380	107	4	ω0	ω0	ADV
ap-9380	107	5	+	+	ADJ
ap-9380	107	6	f(t	f(t	NOUN
ap-9380	107	7	)	)	PUNCT
ap-9380	107	8	]	]	PUNCT
ap-9380	107	9	cos(φ(t	cos(φ(t	NOUN
ap-9380	107	10	)	)	PUNCT
ap-9380	107	11	)	)	PUNCT
ap-9380	107	12	.	.	PUNCT
ap-9380	108	1	(	(	PUNCT
ap-9380	108	2	14	14	NUM
ap-9380	108	3	)	)	PUNCT
ap-9380	108	4	consequently	consequently	ADV
ap-9380	108	5	,	,	PUNCT
ap-9380	108	6	the	the	DET
ap-9380	108	7	amplitude	amplitude	NOUN
ap-9380	108	8	-	-	PUNCT
ap-9380	108	9	modulated	modulate	VERB
ap-9380	108	10	signal	signal	NOUN
ap-9380	108	11	’s	’s	PART
ap-9380	108	12	edo	edo	PROPN
ap-9380	108	13	is	be	AUX
ap-9380	108	14	determined	determine	VERB
ap-9380	108	15	:	:	PUNCT
ap-9380	108	16	γ[x(n	γ[x(n	NOUN
ap-9380	108	17	)	)	PUNCT
ap-9380	108	18	]	]	PUNCT
ap-9380	109	1	=	=	PUNCT
ap-9380	109	2	a2[ω0	a2[ω0	PUNCT
ap-9380	109	3	+	+	NUM
ap-9380	109	4	f(t)]2	f(t)]2	NOUN
ap-9380	109	5	,	,	PUNCT
ap-9380	109	6	(	(	PUNCT
ap-9380	109	7	15	15	NUM
ap-9380	109	8	)	)	PUNCT
ap-9380	109	9	which	which	PRON
ap-9380	109	10	varies	vary	VERB
ap-9380	109	11	over	over	ADP
ap-9380	109	12	time	time	NOUN
ap-9380	109	13	,	,	PUNCT
ap-9380	109	14	ω0	ω0	ADV
ap-9380	109	15	+	+	CCONJ
ap-9380	109	16	f(t	f(t	NOUN
ap-9380	109	17	)	)	PUNCT
ap-9380	109	18	is	be	AUX
ap-9380	109	19	the	the	DET
ap-9380	109	20	element	element	NOUN
ap-9380	109	21	that	that	SCONJ
ap-9380	109	22	the	the	DET
ap-9380	109	23	operator	operator	NOUN
ap-9380	109	24	is	be	AUX
ap-9380	109	25	interested	interested	ADJ
ap-9380	109	26	in	in	ADP
ap-9380	109	27	tracking	tracking	NOUN
ap-9380	109	28	.	.	PUNCT
ap-9380	110	1	3	3	X
ap-9380	110	2	.	.	X
ap-9380	110	3	gear	gear	NOUN
ap-9380	110	4	fault	fault	NOUN
ap-9380	110	5	simulation	simulation	NOUN
ap-9380	110	6	3.1	3.1	NUM
ap-9380	110	7	.	.	PUNCT
ap-9380	110	8	evaluation	evaluation	NOUN
ap-9380	110	9	of	of	ADP
ap-9380	110	10	the	the	DET
ap-9380	110	11	proposed	propose	VERB
ap-9380	110	12	method	method	NOUN
ap-9380	110	13	first	first	ADJ
ap-9380	110	14	vibration	vibration	NOUN
ap-9380	110	15	signal	signal	NOUN
ap-9380	110	16	produced	produce	VERB
ap-9380	110	17	from	from	ADP
ap-9380	110	18	a	a	DET
ap-9380	110	19	healthy	healthy	ADJ
ap-9380	110	20	gearbox	gearbox	NOUN
ap-9380	110	21	,	,	PUNCT
ap-9380	110	22	which	which	PRON
ap-9380	110	23	is	be	AUX
ap-9380	110	24	controlled	control	VERB
ap-9380	110	25	by	by	ADP
ap-9380	110	26	gear	gear	NOUN
ap-9380	110	27	meshing	meshing	NOUN
ap-9380	110	28	vibration	vibration	NOUN
ap-9380	110	29	needs	need	VERB
ap-9380	110	30	to	to	PART
ap-9380	110	31	be	be	AUX
ap-9380	110	32	simulated	simulate	VERB
ap-9380	110	33	.	.	PUNCT
ap-9380	111	1	this	this	DET
ap-9380	111	2	signal	signal	NOUN
ap-9380	111	3	is	be	AUX
ap-9380	111	4	accompanied	accompany	VERB
ap-9380	111	5	by	by	ADP
ap-9380	111	6	some	some	DET
ap-9380	111	7	modulation	modulation	NOUN
ap-9380	111	8	resulting	result	VERB
ap-9380	111	9	from	from	ADP
ap-9380	111	10	factors	factor	NOUN
ap-9380	111	11	such	such	ADJ
ap-9380	111	12	as	as	ADP
ap-9380	111	13	geometric	geometric	ADJ
ap-9380	111	14	inaccuracies	inaccuracy	NOUN
ap-9380	111	15	,	,	PUNCT
ap-9380	111	16	assembly	assembly	NOUN
ap-9380	111	17	mistakes	mistake	NOUN
ap-9380	111	18	,	,	PUNCT
ap-9380	111	19	changes	change	NOUN
ap-9380	111	20	in	in	ADP
ap-9380	111	21	gear	gear	NOUN
ap-9380	111	22	speed	speed	NOUN
ap-9380	111	23	,	,	PUNCT
ap-9380	111	24	and	and	CCONJ
ap-9380	111	25	load	load	NOUN
ap-9380	111	26	.	.	PUNCT
ap-9380	112	1	any	any	DET
ap-9380	112	2	alteration	alteration	NOUN
ap-9380	112	3	to	to	ADP
ap-9380	112	4	the	the	DET
ap-9380	112	5	gear	gear	NOUN
ap-9380	112	6	tooth	tooth	NOUN
ap-9380	112	7	profile	profile	NOUN
ap-9380	112	8	can	can	AUX
ap-9380	112	9	generate	generate	VERB
ap-9380	112	10	amplitude	amplitude	NOUN
ap-9380	112	11	and	and	CCONJ
ap-9380	112	12	phase	phase	NOUN
ap-9380	112	13	modulations	modulation	NOUN
ap-9380	112	14	(	(	PUNCT
ap-9380	112	15	pm	pm	NOUN
ap-9380	112	16	)	)	PUNCT
ap-9380	112	17	of	of	ADP
ap-9380	112	18	the	the	DET
ap-9380	112	19	meshing	meshing	NOUN
ap-9380	112	20	vibrations	vibration	NOUN
ap-9380	112	21	.	.	PUNCT
ap-9380	113	1	the	the	DET
ap-9380	113	2	healthy	healthy	ADJ
ap-9380	113	3	gearbox	gearbox	NOUN
ap-9380	113	4	vibration	vibration	NOUN
ap-9380	113	5	signal	signal	NOUN
ap-9380	113	6	associated	associate	VERB
ap-9380	113	7	with	with	ADP
ap-9380	113	8	amplitude	amplitude	NOUN
ap-9380	113	9	and	and	CCONJ
ap-9380	113	10	phase	phase	NOUN
ap-9380	113	11	modulations	modulation	NOUN
ap-9380	113	12	can	can	AUX
ap-9380	113	13	be	be	AUX
ap-9380	113	14	modelled	model	VERB
ap-9380	113	15	as	as	ADP
ap-9380	113	16	[	[	X
ap-9380	113	17	31	31	NUM
ap-9380	113	18	,	,	PUNCT
ap-9380	113	19	32	32	NUM
ap-9380	113	20	]	]	PUNCT
ap-9380	113	21	:	:	PUNCT
ap-9380	113	22	x(t	x(t	PROPN
ap-9380	113	23	)	)	PUNCT
ap-9380	114	1	=	=	PUNCT
ap-9380	115	1	m∑	m∑	CCONJ
ap-9380	115	2	m=1	m=1	PRON
ap-9380	115	3	am	be	AUX
ap-9380	115	4	[	[	PUNCT
ap-9380	115	5	(	(	PUNCT
ap-9380	115	6	1	1	NUM
ap-9380	115	7	+	+	CCONJ
ap-9380	115	8	am(t	am(t	NOUN
ap-9380	115	9	)	)	PUNCT
ap-9380	115	10	)	)	PUNCT
ap-9380	116	1	cos	cos	PROPN
ap-9380	116	2	(	(	PUNCT
ap-9380	116	3	2πfmt+	2πfmt+	NOUN
ap-9380	116	4	φm	φm	VERB
ap-9380	116	5	+	+	ADJ
ap-9380	116	6	bm(t	bm(t	NUM
ap-9380	116	7	)	)	PUNCT
ap-9380	116	8	)	)	PUNCT
ap-9380	117	1	]	]	PUNCT
ap-9380	117	2	,	,	PUNCT
ap-9380	117	3	(	(	PUNCT
ap-9380	117	4	16	16	NUM
ap-9380	117	5	)	)	PUNCT
ap-9380	117	6	where	where	SCONJ
ap-9380	117	7	m	m	NOUN
ap-9380	117	8	is	be	AUX
ap-9380	117	9	the	the	DET
ap-9380	117	10	number	number	NOUN
ap-9380	117	11	of	of	ADP
ap-9380	117	12	vibration	vibration	NOUN
ap-9380	117	13	harmonics	harmonic	NOUN
ap-9380	117	14	,	,	PUNCT
ap-9380	117	15	am	be	AUX
ap-9380	117	16	the	the	DET
ap-9380	117	17	amplitude	amplitude	NOUN
ap-9380	117	18	at	at	ADP
ap-9380	117	19	the	the	DET
ap-9380	117	20	mth	mth	NOUN
ap-9380	117	21	harmonic	harmonic	PROPN
ap-9380	117	22	frequency	frequency	PROPN
ap-9380	117	23	fm	fm	PROPN
ap-9380	117	24	,	,	PUNCT
ap-9380	117	25	functions	function	NOUN
ap-9380	117	26	am(t	am(t	NOUN
ap-9380	117	27	)	)	PUNCT
ap-9380	117	28	and	and	CCONJ
ap-9380	117	29	bm(t	bm(t	NUM
ap-9380	117	30	)	)	PUNCT
ap-9380	117	31	are	be	AUX
ap-9380	117	32	the	the	DET
ap-9380	117	33	amplitude	amplitude	NOUN
ap-9380	117	34	and	and	CCONJ
ap-9380	117	35	phase	phase	NOUN
ap-9380	117	36	modulation	modulation	NOUN
ap-9380	117	37	functions	function	NOUN
ap-9380	117	38	,	,	PUNCT
ap-9380	117	39	respectively	respectively	ADV
ap-9380	117	40	,	,	PUNCT
ap-9380	117	41	and	and	CCONJ
ap-9380	117	42	φm	φm	PROPN
ap-9380	117	43	is	be	AUX
ap-9380	117	44	the	the	DET
ap-9380	117	45	initial	initial	ADJ
ap-9380	117	46	phase	phase	NOUN
ap-9380	117	47	of	of	ADP
ap-9380	117	48	the	the	DET
ap-9380	117	49	vibration	vibration	NOUN
ap-9380	117	50	signal	signal	NOUN
ap-9380	117	51	.	.	PUNCT
ap-9380	118	1	hence	hence	ADV
ap-9380	118	2	,	,	PUNCT
ap-9380	118	3	if	if	SCONJ
ap-9380	118	4	a	a	DET
ap-9380	118	5	gear	gear	NOUN
ap-9380	118	6	fault	fault	NOUN
ap-9380	118	7	occurs	occur	VERB
ap-9380	118	8	in	in	ADP
ap-9380	118	9	a	a	DET
ap-9380	118	10	specific	specific	ADJ
ap-9380	118	11	location	location	NOUN
ap-9380	118	12	,	,	PUNCT
ap-9380	118	13	such	such	ADJ
ap-9380	118	14	as	as	ADP
ap-9380	118	15	cracked	crack	VERB
ap-9380	118	16	teeth	tooth	NOUN
ap-9380	118	17	or	or	CCONJ
ap-9380	118	18	distributed	distribute	VERB
ap-9380	118	19	faults	fault	NOUN
ap-9380	118	20	,	,	PUNCT
ap-9380	118	21	the	the	DET
ap-9380	118	22	strength	strength	NOUN
ap-9380	118	23	of	of	ADP
ap-9380	118	24	the	the	DET
ap-9380	118	25	associated	associated	ADJ
ap-9380	118	26	modulations	modulation	NOUN
ap-9380	118	27	increases	increase	VERB
ap-9380	118	28	during	during	ADP
ap-9380	118	29	one	one	NUM
ap-9380	118	30	full	full	ADJ
ap-9380	118	31	rotation	rotation	NOUN
ap-9380	118	32	of	of	ADP
ap-9380	118	33	the	the	DET
ap-9380	118	34	gear	gear	NOUN
ap-9380	118	35	.	.	PUNCT
ap-9380	119	1	the	the	DET
ap-9380	119	2	occurrence	occurrence	NOUN
ap-9380	119	3	of	of	ADP
ap-9380	119	4	a	a	DET
ap-9380	119	5	fault	fault	NOUN
ap-9380	119	6	initiates	initiate	VERB
ap-9380	119	7	an	an	DET
ap-9380	119	8	impact	impact	NOUN
ap-9380	119	9	,	,	PUNCT
ap-9380	119	10	which	which	PRON
ap-9380	119	11	subsequently	subsequently	ADV
ap-9380	119	12	generates	generate	VERB
ap-9380	119	13	a	a	DET
ap-9380	119	14	mechanical	mechanical	ADJ
ap-9380	119	15	resonance	resonance	NOUN
ap-9380	119	16	in	in	ADP
ap-9380	119	17	the	the	DET
ap-9380	119	18	system	system	NOUN
ap-9380	119	19	.	.	PUNCT
ap-9380	120	1	this	this	DET
ap-9380	120	2	resonance	resonance	NOUN
ap-9380	120	3	,	,	PUNCT
ap-9380	120	4	a	a	DET
ap-9380	120	5	natural	natural	ADJ
ap-9380	120	6	oscillatory	oscillatory	ADJ
ap-9380	120	7	response	response	NOUN
ap-9380	120	8	to	to	ADP
ap-9380	120	9	the	the	DET
ap-9380	120	10	faultinduced	faultinduce	VERB
ap-9380	120	11	disturbance	disturbance	NOUN
ap-9380	120	12	,	,	PUNCT
ap-9380	120	13	contributes	contribute	VERB
ap-9380	120	14	additional	additional	ADJ
ap-9380	120	15	frequency	frequency	NOUN
ap-9380	120	16	components	component	NOUN
ap-9380	120	17	to	to	ADP
ap-9380	120	18	the	the	DET
ap-9380	120	19	signal	signal	NOUN
ap-9380	120	20	.	.	PUNCT
ap-9380	121	1	as	as	SCONJ
ap-9380	121	2	described	describe	VERB
ap-9380	121	3	in	in	ADP
ap-9380	121	4	equation	equation	NOUN
ap-9380	121	5	(	(	PUNCT
ap-9380	121	6	1	1	NUM
ap-9380	121	7	)	)	PUNCT
ap-9380	121	8	,	,	PUNCT
ap-9380	121	9	these	these	DET
ap-9380	121	10	components	component	NOUN
ap-9380	121	11	capture	capture	VERB
ap-9380	121	12	the	the	DET
ap-9380	121	13	unique	unique	ADJ
ap-9380	121	14	vibrational	vibrational	ADJ
ap-9380	121	15	characteristics	characteristic	NOUN
ap-9380	121	16	of	of	ADP
ap-9380	121	17	the	the	DET
ap-9380	121	18	fault	fault	NOUN
ap-9380	121	19	[	[	X
ap-9380	121	20	33	33	NUM
ap-9380	121	21	,	,	PUNCT
ap-9380	121	22	34	34	NUM
ap-9380	121	23	]	]	PUNCT
ap-9380	121	24	.	.	PUNCT
ap-9380	122	1	this	this	DET
ap-9380	122	2	relationship	relationship	NOUN
ap-9380	122	3	can	can	AUX
ap-9380	122	4	be	be	AUX
ap-9380	122	5	mathematically	mathematically	ADV
ap-9380	122	6	expressed	express	VERB
ap-9380	122	7	as	as	SCONJ
ap-9380	122	8	follows	follow	VERB
ap-9380	122	9	[	[	X
ap-9380	122	10	35	35	NUM
ap-9380	122	11	]	]	SYM
ap-9380	122	12	:	:	PUNCT
ap-9380	122	13	z(t	z(t	NOUN
ap-9380	122	14	)	)	PUNCT
ap-9380	122	15	=	=	SYM
ap-9380	122	16	d(t	d(t	PROPN
ap-9380	122	17	)	)	PUNCT
ap-9380	122	18	cos(2πfr	cos(2πfr	PUNCT
ap-9380	123	1	+	+	CCONJ
ap-9380	123	2	θr	θr	PRON
ap-9380	123	3	)	)	PUNCT
ap-9380	123	4	.	.	PUNCT
ap-9380	124	1	(	(	PUNCT
ap-9380	124	2	17	17	NUM
ap-9380	124	3	)	)	PUNCT
ap-9380	124	4	the	the	DET
ap-9380	124	5	modulation	modulation	NOUN
ap-9380	124	6	,	,	PUNCT
ap-9380	124	7	represented	represent	VERB
ap-9380	124	8	by	by	ADP
ap-9380	124	9	d(t	d(t	PROPN
ap-9380	124	10	)	)	PUNCT
ap-9380	124	11	of	of	ADP
ap-9380	124	12	the	the	DET
ap-9380	124	13	resonant	resonant	ADJ
ap-9380	124	14	vibration	vibration	NOUN
ap-9380	124	15	,	,	PUNCT
ap-9380	124	16	is	be	AUX
ap-9380	124	17	affected	affect	VERB
ap-9380	124	18	by	by	ADP
ap-9380	124	19	the	the	DET
ap-9380	124	20	system	system	NOUN
ap-9380	124	21	’s	’s	PART
ap-9380	124	22	response	response	NOUN
ap-9380	124	23	to	to	ADP
ap-9380	124	24	the	the	DET
ap-9380	124	25	gear	gear	NOUN
ap-9380	124	26	’s	’s	PART
ap-9380	124	27	impact	impact	NOUN
ap-9380	124	28	fault	fault	NOUN
ap-9380	124	29	fr	fr	NOUN
ap-9380	124	30	represents	represent	VERB
ap-9380	124	31	the	the	DET
ap-9380	124	32	frequency	frequency	NOUN
ap-9380	124	33	of	of	ADP
ap-9380	124	34	resonance	resonance	NOUN
ap-9380	124	35	and	and	CCONJ
ap-9380	124	36	θr	θr	NOUN
ap-9380	124	37	the	the	DET
ap-9380	124	38	corresponding	corresponding	ADJ
ap-9380	124	39	initial	initial	ADJ
ap-9380	124	40	phase	phase	NOUN
ap-9380	124	41	of	of	ADP
ap-9380	124	42	the	the	DET
ap-9380	124	43	impact	impact	NOUN
ap-9380	124	44	.	.	PUNCT
ap-9380	125	1	the	the	DET
ap-9380	125	2	simulation	simulation	NOUN
ap-9380	125	3	of	of	ADP
ap-9380	125	4	vibrations	vibration	NOUN
ap-9380	125	5	for	for	ADP
ap-9380	125	6	a	a	DET
ap-9380	125	7	single	single	ADJ
ap-9380	125	8	stage	stage	NOUN
ap-9380	125	9	,	,	PUNCT
ap-9380	125	10	gearbox	gearbox	NOUN
ap-9380	125	11	,	,	PUNCT
ap-9380	125	12	both	both	CCONJ
ap-9380	125	13	in	in	ADP
ap-9380	125	14	a	a	DET
ap-9380	125	15	healthy	healthy	ADJ
ap-9380	125	16	and	and	CCONJ
ap-9380	125	17	defective	defective	ADJ
ap-9380	125	18	state	state	NOUN
ap-9380	125	19	,	,	PUNCT
ap-9380	125	20	has	have	AUX
ap-9380	125	21	been	be	AUX
ap-9380	125	22	carried	carry	VERB
ap-9380	125	23	out	out	ADP
ap-9380	125	24	.	.	PUNCT
ap-9380	126	1	the	the	DET
ap-9380	126	2	signal	signal	NOUN
ap-9380	126	3	encompasses	encompass	VERB
ap-9380	126	4	five	five	NUM
ap-9380	126	5	169	169	NUM
ap-9380	126	6	l.	l.	NOUN
ap-9380	126	7	bouhafs	bouhafs	NOUN
ap-9380	126	8	,	,	PUNCT
ap-9380	126	9	s.	s.	PROPN
ap-9380	126	10	tamalouzt	tamalouzt	PROPN
ap-9380	126	11	,	,	PUNCT
ap-9380	126	12	a.	a.	PROPN
ap-9380	126	13	bouzida	bouzida	PROPN
ap-9380	126	14	acta	acta	PROPN
ap-9380	126	15	polytechnica	polytechnica	PROPN
ap-9380	126	16	figure	figure	NOUN
ap-9380	126	17	1	1	NUM
ap-9380	126	18	.	.	PUNCT
ap-9380	127	1	the	the	DET
ap-9380	127	2	vibration	vibration	NOUN
ap-9380	127	3	spectrum	spectrum	VERB
ap-9380	127	4	for	for	ADP
ap-9380	127	5	a	a	DET
ap-9380	127	6	simulated	simulate	VERB
ap-9380	127	7	single	single	ADJ
ap-9380	127	8	stage	stage	NOUN
ap-9380	127	9	gearbox	gearbox	NOUN
ap-9380	127	10	in	in	ADP
ap-9380	127	11	a	a	DET
ap-9380	127	12	healthy	healthy	ADJ
ap-9380	127	13	state	state	NOUN
ap-9380	127	14	with	with	ADP
ap-9380	127	15	the	the	DET
ap-9380	127	16	harmonics	harmonic	NOUN
ap-9380	127	17	of	of	ADP
ap-9380	127	18	the	the	DET
ap-9380	127	19	unbalance	unbalance	NOUN
ap-9380	127	20	:	:	PUNCT
ap-9380	127	21	spectral	spectral	ADJ
ap-9380	127	22	analysis	analysis	NOUN
ap-9380	127	23	.	.	PUNCT
ap-9380	128	1	figure	figure	NOUN
ap-9380	128	2	2	2	NUM
ap-9380	128	3	.	.	PUNCT
ap-9380	129	1	the	the	DET
ap-9380	129	2	vibration	vibration	NOUN
ap-9380	129	3	spectrum	spectrum	NOUN
ap-9380	129	4	for	for	ADP
ap-9380	129	5	a	a	DET
ap-9380	129	6	simulated	simulate	VERB
ap-9380	129	7	single	single	ADJ
ap-9380	129	8	stage	stage	NOUN
ap-9380	129	9	gearbox	gearbox	NOUN
ap-9380	129	10	in	in	ADP
ap-9380	129	11	a	a	DET
ap-9380	129	12	healthy	healthy	ADJ
ap-9380	129	13	state	state	NOUN
ap-9380	129	14	with	with	ADP
ap-9380	129	15	the	the	DET
ap-9380	129	16	harmonics	harmonic	NOUN
ap-9380	129	17	of	of	ADP
ap-9380	129	18	the	the	DET
ap-9380	129	19	unbalance	unbalance	NOUN
ap-9380	129	20	:	:	PUNCT
ap-9380	129	21	edo	edo	PROPN
ap-9380	129	22	transformed	transform	VERB
ap-9380	129	23	signal	signal	NOUN
ap-9380	129	24	.	.	PUNCT
ap-9380	130	1	harmonics	harmonic	NOUN
ap-9380	130	2	of	of	ADP
ap-9380	130	3	the	the	DET
ap-9380	130	4	frequency	frequency	NOUN
ap-9380	130	5	at	at	ADP
ap-9380	130	6	which	which	PRON
ap-9380	130	7	the	the	DET
ap-9380	130	8	gears	gear	NOUN
ap-9380	130	9	mesh	mesh	VERB
ap-9380	130	10	.	.	PUNCT
ap-9380	131	1	it	it	PRON
ap-9380	131	2	also	also	ADV
ap-9380	131	3	includes	include	VERB
ap-9380	131	4	components	component	NOUN
ap-9380	131	5	of	of	ADP
ap-9380	131	6	unbalance	unbalance	NOUN
ap-9380	131	7	stemming	stem	VERB
ap-9380	131	8	from	from	ADP
ap-9380	131	9	the	the	DET
ap-9380	131	10	rotation	rotation	NOUN
ap-9380	131	11	of	of	ADP
ap-9380	131	12	both	both	CCONJ
ap-9380	131	13	the	the	DET
ap-9380	131	14	input	input	NOUN
ap-9380	131	15	and	and	CCONJ
ap-9380	131	16	output	output	NOUN
ap-9380	131	17	shafts	shafts	ADJ
ap-9380	131	18	.	.	PUNCT
ap-9380	132	1	this	this	PRON
ap-9380	132	2	can	can	AUX
ap-9380	132	3	be	be	AUX
ap-9380	132	4	seen	see	VERB
ap-9380	132	5	in	in	ADP
ap-9380	132	6	the	the	DET
ap-9380	132	7	spectrum	spectrum	NOUN
ap-9380	132	8	depicted	depict	VERB
ap-9380	132	9	in	in	ADP
ap-9380	132	10	figures	figure	NOUN
ap-9380	132	11	1	1	NUM
ap-9380	132	12	and	and	CCONJ
ap-9380	132	13	2	2	NUM
ap-9380	132	14	.	.	PUNCT
ap-9380	133	1	the	the	DET
ap-9380	133	2	figures	figure	NOUN
ap-9380	133	3	3	3	NUM
ap-9380	133	4	and	and	CCONJ
ap-9380	133	5	4	4	NUM
ap-9380	133	6	indicate	indicate	VERB
ap-9380	133	7	,	,	PUNCT
ap-9380	133	8	the	the	DET
ap-9380	133	9	spectrum	spectrum	NOUN
ap-9380	133	10	of	of	ADP
ap-9380	133	11	the	the	DET
ap-9380	133	12	faulty	faulty	ADJ
ap-9380	133	13	gear	gear	NOUN
ap-9380	133	14	signal	signal	NOUN
ap-9380	133	15	with	with	ADP
ap-9380	133	16	amplitude	amplitude	NOUN
ap-9380	133	17	modulation	modulation	NOUN
ap-9380	133	18	and	and	CCONJ
ap-9380	133	19	an	an	DET
ap-9380	133	20	impact	impact	NOUN
ap-9380	133	21	signal	signal	NOUN
ap-9380	133	22	with	with	ADP
ap-9380	133	23	its	its	PRON
ap-9380	133	24	edo	edo	PROPN
ap-9380	133	25	transformer	transformer	NOUN
ap-9380	133	26	spectrum	spectrum	NOUN
ap-9380	133	27	.	.	PUNCT
ap-9380	134	1	figures	figure	NOUN
ap-9380	134	2	3	3	NUM
ap-9380	134	3	and	and	CCONJ
ap-9380	134	4	4	4	NUM
ap-9380	134	5	provide	provide	VERB
ap-9380	134	6	compelling	compelling	ADJ
ap-9380	134	7	evidence	evidence	NOUN
ap-9380	134	8	of	of	ADP
ap-9380	134	9	the	the	DET
ap-9380	134	10	effectiveness	effectiveness	NOUN
ap-9380	134	11	of	of	ADP
ap-9380	134	12	the	the	DET
ap-9380	134	13	edo	edo	PROPN
ap-9380	134	14	transformation	transformation	NOUN
ap-9380	134	15	in	in	ADP
ap-9380	134	16	revealing	reveal	VERB
ap-9380	134	17	the	the	DET
ap-9380	134	18	signature	signature	NOUN
ap-9380	134	19	of	of	ADP
ap-9380	134	20	defects	defect	NOUN
ap-9380	134	21	within	within	ADP
ap-9380	134	22	the	the	DET
ap-9380	134	23	system	system	NOUN
ap-9380	134	24	.	.	PUNCT
ap-9380	135	1	in	in	ADP
ap-9380	135	2	these	these	DET
ap-9380	135	3	figures	figure	NOUN
ap-9380	135	4	,	,	PUNCT
ap-9380	135	5	the	the	DET
ap-9380	135	6	presence	presence	NOUN
ap-9380	135	7	of	of	ADP
ap-9380	135	8	a	a	DET
ap-9380	135	9	distinct	distinct	ADJ
ap-9380	135	10	defect	defect	NOUN
ap-9380	135	11	signature	signature	NOUN
ap-9380	135	12	becomes	become	VERB
ap-9380	135	13	clearly	clearly	ADV
ap-9380	135	14	apparent	apparent	ADJ
ap-9380	135	15	,	,	PUNCT
ap-9380	135	16	as	as	SCONJ
ap-9380	135	17	it	it	PRON
ap-9380	135	18	manifests	manifest	VERB
ap-9380	135	19	as	as	ADP
ap-9380	135	20	a	a	DET
ap-9380	135	21	set	set	NOUN
ap-9380	135	22	of	of	ADP
ap-9380	135	23	rotational	rotational	ADJ
ap-9380	135	24	frequency	frequency	NOUN
ap-9380	135	25	harmonics	harmonic	NOUN
ap-9380	135	26	associated	associate	VERB
ap-9380	135	27	with	with	ADP
ap-9380	135	28	the	the	DET
ap-9380	135	29	defect	defect	NOUN
ap-9380	135	30	in	in	ADP
ap-9380	135	31	the	the	DET
ap-9380	135	32	driven	drive	VERB
ap-9380	135	33	wheel	wheel	NOUN
ap-9380	135	34	.	.	PUNCT
ap-9380	136	1	additionally	additionally	ADV
ap-9380	136	2	,	,	PUNCT
ap-9380	136	3	the	the	DET
ap-9380	136	4	presence	presence	NOUN
ap-9380	136	5	of	of	ADP
ap-9380	136	6	a	a	DET
ap-9380	136	7	frequency	frequency	NOUN
ap-9380	136	8	component	component	NOUN
ap-9380	136	9	at	at	ADP
ap-9380	136	10	8	8	NUM
ap-9380	136	11	500	500	NUM
ap-9380	136	12	hz	hz	NOUN
ap-9380	136	13	is	be	AUX
ap-9380	136	14	noteworthy	noteworthy	ADJ
ap-9380	136	15	,	,	PUNCT
ap-9380	136	16	as	as	SCONJ
ap-9380	136	17	it	it	PRON
ap-9380	136	18	corresponds	correspond	VERB
ap-9380	136	19	to	to	ADP
ap-9380	136	20	the	the	DET
ap-9380	136	21	resonance	resonance	NOUN
ap-9380	136	22	frequency	frequency	NOUN
ap-9380	136	23	of	of	ADP
ap-9380	136	24	the	the	DET
ap-9380	136	25	system	system	NOUN
ap-9380	136	26	.	.	PUNCT
ap-9380	137	1	this	this	DET
ap-9380	137	2	resonance	resonance	NOUN
ap-9380	137	3	frequency	frequency	NOUN
ap-9380	137	4	plays	play	VERB
ap-9380	137	5	a	a	DET
ap-9380	137	6	critical	critical	ADJ
ap-9380	137	7	role	role	NOUN
ap-9380	137	8	in	in	ADP
ap-9380	137	9	understanding	understand	VERB
ap-9380	137	10	the	the	DET
ap-9380	137	11	dynamic	dynamic	ADJ
ap-9380	137	12	behaviour	behaviour	NOUN
ap-9380	137	13	of	of	ADP
ap-9380	137	14	the	the	DET
ap-9380	137	15	system	system	NOUN
ap-9380	137	16	and	and	CCONJ
ap-9380	137	17	can	can	AUX
ap-9380	137	18	provide	provide	VERB
ap-9380	137	19	valuable	valuable	ADJ
ap-9380	137	20	insights	insight	NOUN
ap-9380	137	21	into	into	ADP
ap-9380	137	22	how	how	SCONJ
ap-9380	137	23	the	the	DET
ap-9380	137	24	system	system	NOUN
ap-9380	137	25	responds	respond	VERB
ap-9380	137	26	to	to	ADP
ap-9380	137	27	external	external	ADJ
ap-9380	137	28	forces	force	NOUN
ap-9380	137	29	or	or	CCONJ
ap-9380	137	30	excitations	excitation	NOUN
ap-9380	137	31	.	.	PUNCT
ap-9380	138	1	figure	figure	NOUN
ap-9380	138	2	3	3	NUM
ap-9380	138	3	.	.	PUNCT
ap-9380	139	1	the	the	DET
ap-9380	139	2	vibration	vibration	NOUN
ap-9380	139	3	spectrum	spectrum	VERB
ap-9380	139	4	for	for	ADP
ap-9380	139	5	a	a	DET
ap-9380	139	6	simulated	simulate	VERB
ap-9380	139	7	single	single	ADJ
ap-9380	139	8	stage	stage	NOUN
ap-9380	139	9	gearbox	gearbox	NOUN
ap-9380	139	10	in	in	ADP
ap-9380	139	11	a	a	DET
ap-9380	139	12	faulty	faulty	ADJ
ap-9380	139	13	state	state	NOUN
ap-9380	139	14	including	include	VERB
ap-9380	139	15	multiplicative	multiplicative	PROPN
ap-9380	139	16	am	am	NOUN
ap-9380	139	17	,	,	PUNCT
ap-9380	139	18	pm	pm	NOUN
ap-9380	139	19	,	,	PUNCT
ap-9380	139	20	and	and	CCONJ
ap-9380	139	21	impulsive	impulsive	ADJ
ap-9380	139	22	signatures	signature	NOUN
ap-9380	139	23	:	:	PUNCT
ap-9380	139	24	spectral	spectral	ADJ
ap-9380	139	25	analysis	analysis	NOUN
ap-9380	139	26	.	.	PUNCT
ap-9380	140	1	figure	figure	NOUN
ap-9380	140	2	4	4	NUM
ap-9380	140	3	.	.	PUNCT
ap-9380	141	1	the	the	DET
ap-9380	141	2	vibration	vibration	NOUN
ap-9380	141	3	spectrum	spectrum	NOUN
ap-9380	141	4	for	for	ADP
ap-9380	141	5	a	a	DET
ap-9380	141	6	simulated	simulate	VERB
ap-9380	141	7	single	single	ADJ
ap-9380	141	8	stage	stage	NOUN
ap-9380	141	9	gearbox	gearbox	NOUN
ap-9380	141	10	in	in	ADP
ap-9380	141	11	a	a	DET
ap-9380	141	12	faulty	faulty	ADJ
ap-9380	141	13	state	state	NOUN
ap-9380	141	14	including	include	VERB
ap-9380	141	15	multiplicative	multiplicative	PROPN
ap-9380	141	16	am	am	NOUN
ap-9380	141	17	,	,	PUNCT
ap-9380	141	18	pm	pm	NOUN
ap-9380	141	19	,	,	PUNCT
ap-9380	141	20	and	and	CCONJ
ap-9380	141	21	impulsive	impulsive	ADJ
ap-9380	141	22	signatures	signature	NOUN
ap-9380	141	23	:	:	PUNCT
ap-9380	141	24	edo	edo	PROPN
ap-9380	141	25	transformed	transform	VERB
ap-9380	141	26	signal	signal	NOUN
ap-9380	141	27	.	.	PUNCT
ap-9380	142	1	in	in	ADP
ap-9380	142	2	summary	summary	NOUN
ap-9380	142	3	,	,	PUNCT
ap-9380	142	4	figures	figure	NOUN
ap-9380	142	5	3	3	NUM
ap-9380	142	6	and	and	CCONJ
ap-9380	142	7	4	4	NUM
ap-9380	142	8	underline	underline	VERB
ap-9380	142	9	the	the	DET
ap-9380	142	10	power	power	NOUN
ap-9380	142	11	of	of	ADP
ap-9380	142	12	the	the	DET
ap-9380	142	13	edo	edo	PROPN
ap-9380	142	14	transformation	transformation	NOUN
ap-9380	142	15	in	in	ADP
ap-9380	142	16	isolating	isolate	VERB
ap-9380	142	17	and	and	CCONJ
ap-9380	142	18	highlighting	highlight	VERB
ap-9380	142	19	the	the	DET
ap-9380	142	20	rotational	rotational	ADJ
ap-9380	142	21	frequency	frequency	NOUN
ap-9380	142	22	harmonics	harmonic	NOUN
ap-9380	142	23	of	of	ADP
ap-9380	142	24	the	the	DET
ap-9380	142	25	driven	drive	VERB
ap-9380	142	26	wheel	wheel	NOUN
ap-9380	142	27	defect	defect	NOUN
ap-9380	142	28	.	.	PUNCT
ap-9380	143	1	3.2	3.2	NUM
ap-9380	143	2	.	.	PUNCT
ap-9380	143	3	proposed	propose	VERB
ap-9380	143	4	method	method	NOUN
ap-9380	143	5	to	to	PART
ap-9380	143	6	remove	remove	VERB
ap-9380	143	7	background	background	NOUN
ap-9380	143	8	noise	noise	NOUN
ap-9380	143	9	figures	figure	NOUN
ap-9380	143	10	5	5	NUM
ap-9380	143	11	and	and	CCONJ
ap-9380	143	12	6	6	NUM
ap-9380	143	13	show	show	VERB
ap-9380	143	14	the	the	DET
ap-9380	143	15	spectra	spectra	NOUN
ap-9380	143	16	of	of	ADP
ap-9380	143	17	the	the	DET
ap-9380	143	18	edo	edo	PROPN
ap-9380	143	19	transform	transform	NOUN
ap-9380	143	20	for	for	ADP
ap-9380	143	21	the	the	DET
ap-9380	143	22	faulty	faulty	ADJ
ap-9380	143	23	gear	gear	NOUN
ap-9380	143	24	signal	signal	NOUN
ap-9380	143	25	under	under	ADP
ap-9380	143	26	different	different	ADJ
ap-9380	143	27	conditions	condition	NOUN
ap-9380	143	28	.	.	PUNCT
ap-9380	144	1	in	in	ADP
ap-9380	144	2	figure	figure	NOUN
ap-9380	144	3	5	5	NUM
ap-9380	144	4	,	,	PUNCT
ap-9380	144	5	we	we	PRON
ap-9380	144	6	observe	observe	VERB
ap-9380	144	7	the	the	DET
ap-9380	144	8	spectrum	spectrum	NOUN
ap-9380	144	9	when	when	SCONJ
ap-9380	144	10	the	the	DET
ap-9380	144	11	signal	signal	NOUN
ap-9380	144	12	includes	include	VERB
ap-9380	144	13	both	both	DET
ap-9380	144	14	amplitude	amplitude	NOUN
ap-9380	144	15	modulation	modulation	NOUN
ap-9380	144	16	and	and	CCONJ
ap-9380	144	17	the	the	DET
ap-9380	144	18	pulse	pulse	NOUN
ap-9380	144	19	signal	signal	NOUN
ap-9380	144	20	,	,	PUNCT
ap-9380	144	21	to	to	PART
ap-9380	144	22	which	which	PRON
ap-9380	144	23	white	white	ADJ
ap-9380	144	24	gaussian	gaussian	NOUN
ap-9380	144	25	noise	noise	NOUN
ap-9380	144	26	has	have	AUX
ap-9380	144	27	been	be	AUX
ap-9380	144	28	added	add	VERB
ap-9380	144	29	at	at	ADP
ap-9380	144	30	an	an	DET
ap-9380	144	31	snr	snr	NOUN
ap-9380	144	32	of	of	ADP
ap-9380	144	33	6.5	6.5	NUM
ap-9380	144	34	db	db	NOUN
ap-9380	144	35	.	.	PUNCT
ap-9380	145	1	in	in	ADP
ap-9380	145	2	contrast	contrast	NOUN
ap-9380	145	3	,	,	PUNCT
ap-9380	145	4	figure	figure	VERB
ap-9380	145	5	6	6	NUM
ap-9380	145	6	illustrates	illustrate	VERB
ap-9380	145	7	the	the	DET
ap-9380	145	8	spectrum	spectrum	NOUN
ap-9380	145	9	of	of	ADP
ap-9380	145	10	the	the	DET
ap-9380	145	11	same	same	ADJ
ap-9380	145	12	signal	signal	NOUN
ap-9380	145	13	,	,	PUNCT
ap-9380	145	14	but	but	CCONJ
ap-9380	145	15	with	with	ADP
ap-9380	145	16	an	an	DET
ap-9380	145	17	increased	increase	VERB
ap-9380	145	18	snr	snr	NOUN
ap-9380	145	19	value	value	NOUN
ap-9380	145	20	of	of	ADP
ap-9380	145	21	10	10	NUM
ap-9380	145	22	db	db	NOUN
ap-9380	145	23	.	.	NOUN
ap-9380	145	24	upon	upon	SCONJ
ap-9380	145	25	careful	careful	ADJ
ap-9380	145	26	examination	examination	NOUN
ap-9380	145	27	of	of	ADP
ap-9380	145	28	figures	figure	NOUN
ap-9380	145	29	5	5	NUM
ap-9380	145	30	and	and	CCONJ
ap-9380	145	31	6	6	NUM
ap-9380	145	32	,	,	PUNCT
ap-9380	145	33	it	it	PRON
ap-9380	145	34	becomes	become	VERB
ap-9380	145	35	evident	evident	ADJ
ap-9380	145	36	that	that	SCONJ
ap-9380	145	37	the	the	DET
ap-9380	145	38	impact	impact	NOUN
ap-9380	145	39	of	of	ADP
ap-9380	145	40	noise	noise	NOUN
ap-9380	145	41	on	on	ADP
ap-9380	145	42	the	the	DET
ap-9380	145	43	signal	signal	NOUN
ap-9380	145	44	is	be	AUX
ap-9380	145	45	significantly	significantly	ADV
ap-9380	145	46	reduced	reduce	VERB
ap-9380	145	47	as	as	ADP
ap-9380	145	48	the	the	DET
ap-9380	145	49	snr	snr	NOUN
ap-9380	145	50	value	value	NOUN
ap-9380	145	51	increases	increase	NOUN
ap-9380	145	52	.	.	PUNCT
ap-9380	146	1	in	in	ADP
ap-9380	146	2	figure	figure	NOUN
ap-9380	146	3	5	5	NUM
ap-9380	146	4	,	,	PUNCT
ap-9380	146	5	where	where	SCONJ
ap-9380	146	6	the	the	DET
ap-9380	146	7	snr	snr	NOUN
ap-9380	146	8	is	be	AUX
ap-9380	146	9	6.5	6.5	NUM
ap-9380	146	10	db	db	NOUN
ap-9380	146	11	,	,	PUNCT
ap-9380	146	12	the	the	DET
ap-9380	146	13	noise	noise	NOUN
ap-9380	146	14	component	component	NOUN
ap-9380	146	15	is	be	AUX
ap-9380	146	16	more	more	ADV
ap-9380	146	17	pronounced	pronounced	ADJ
ap-9380	146	18	,	,	PUNCT
ap-9380	146	19	170	170	NUM
ap-9380	146	20	vol	vol	NOUN
ap-9380	146	21	.	.	PUNCT
ap-9380	147	1	65	65	NUM
ap-9380	147	2	no	no	INTJ
ap-9380	147	3	.	.	PUNCT
ap-9380	148	1	2/2025	2/2025	NUM
ap-9380	148	2	a	a	DET
ap-9380	148	3	novel	novel	ADJ
ap-9380	148	4	approach	approach	NOUN
ap-9380	148	5	to	to	PART
ap-9380	148	6	feature	feature	VERB
ap-9380	148	7	extraction	extraction	NOUN
ap-9380	148	8	from	from	ADP
ap-9380	148	9	gear	gear	NOUN
ap-9380	148	10	condition	condition	NOUN
ap-9380	148	11	.	.	PUNCT
ap-9380	148	12	.	.	PUNCT
ap-9380	148	13	.	.	PUNCT
ap-9380	149	1	figure	figure	NOUN
ap-9380	149	2	5	5	NUM
ap-9380	149	3	.	.	PUNCT
ap-9380	150	1	spectrum	spectrum	NOUN
ap-9380	150	2	of	of	ADP
ap-9380	150	3	the	the	DET
ap-9380	150	4	edo	edo	PROPN
ap-9380	150	5	transformed	transform	VERB
ap-9380	150	6	simulated	simulated	ADJ
ap-9380	150	7	faulty	faulty	ADJ
ap-9380	150	8	gear	gear	NOUN
ap-9380	150	9	signal	signal	NOUN
ap-9380	150	10	mixed	mix	VERB
ap-9380	150	11	with	with	ADP
ap-9380	150	12	white	white	ADJ
ap-9380	150	13	gaussian	gaussian	PROPN
ap-9380	150	14	noise	noise	NOUN
ap-9380	150	15	:	:	PUNCT
ap-9380	150	16	snr	snr	PROPN
ap-9380	150	17	=	=	SYM
ap-9380	150	18	6.5	6.5	NUM
ap-9380	150	19	db	db	NOUN
ap-9380	150	20	.	.	PROPN
ap-9380	150	21	figure	figure	NOUN
ap-9380	150	22	6	6	NUM
ap-9380	150	23	.	.	PUNCT
ap-9380	151	1	spectrum	spectrum	NOUN
ap-9380	151	2	of	of	ADP
ap-9380	151	3	the	the	DET
ap-9380	151	4	edo	edo	PROPN
ap-9380	151	5	transformed	transform	VERB
ap-9380	151	6	simulated	simulated	ADJ
ap-9380	151	7	faulty	faulty	ADJ
ap-9380	151	8	gear	gear	NOUN
ap-9380	151	9	signal	signal	NOUN
ap-9380	151	10	mixed	mix	VERB
ap-9380	151	11	with	with	ADP
ap-9380	151	12	white	white	ADJ
ap-9380	151	13	gaussian	gaussian	PROPN
ap-9380	151	14	noise	noise	NOUN
ap-9380	151	15	:	:	PUNCT
ap-9380	151	16	snr	snr	PROPN
ap-9380	151	17	=	=	SYM
ap-9380	151	18	10	10	NUM
ap-9380	151	19	db	db	NOUN
ap-9380	151	20	.	.	NOUN
ap-9380	151	21	leading	lead	VERB
ap-9380	151	22	to	to	ADP
ap-9380	151	23	a	a	DET
ap-9380	151	24	relatively	relatively	ADV
ap-9380	151	25	higher	high	ADJ
ap-9380	151	26	noise	noise	NOUN
ap-9380	151	27	level	level	NOUN
ap-9380	151	28	in	in	ADP
ap-9380	151	29	the	the	DET
ap-9380	151	30	signal	signal	NOUN
ap-9380	151	31	.	.	PUNCT
ap-9380	152	1	conversely	conversely	ADV
ap-9380	152	2	,	,	PUNCT
ap-9380	152	3	in	in	ADP
ap-9380	152	4	figure	figure	NOUN
ap-9380	152	5	6	6	NUM
ap-9380	152	6	,	,	PUNCT
ap-9380	152	7	where	where	SCONJ
ap-9380	152	8	the	the	DET
ap-9380	152	9	snr	snr	NOUN
ap-9380	152	10	is	be	AUX
ap-9380	152	11	increased	increase	VERB
ap-9380	152	12	to	to	ADP
ap-9380	152	13	10	10	NUM
ap-9380	152	14	db	db	PROPN
ap-9380	152	15	,	,	PUNCT
ap-9380	152	16	the	the	DET
ap-9380	152	17	noise	noise	NOUN
ap-9380	152	18	interference	interference	NOUN
ap-9380	152	19	noticeably	noticeably	ADV
ap-9380	152	20	diminishes	diminish	VERB
ap-9380	152	21	,	,	PUNCT
ap-9380	152	22	resulting	result	VERB
ap-9380	152	23	in	in	ADP
ap-9380	152	24	a	a	DET
ap-9380	152	25	cleaner	clean	ADJ
ap-9380	152	26	and	and	CCONJ
ap-9380	152	27	less	less	ADV
ap-9380	152	28	noisy	noisy	ADJ
ap-9380	152	29	signal	signal	NOUN
ap-9380	152	30	.	.	PUNCT
ap-9380	153	1	this	this	DET
ap-9380	153	2	observation	observation	NOUN
ap-9380	153	3	underlines	underline	VERB
ap-9380	153	4	the	the	DET
ap-9380	153	5	importance	importance	NOUN
ap-9380	153	6	of	of	ADP
ap-9380	153	7	snr	snr	PROPN
ap-9380	153	8	as	as	ADP
ap-9380	153	9	a	a	DET
ap-9380	153	10	crucial	crucial	ADJ
ap-9380	153	11	parameter	parameter	NOUN
ap-9380	153	12	in	in	ADP
ap-9380	153	13	signal	signal	NOUN
ap-9380	153	14	processing	processing	NOUN
ap-9380	153	15	and	and	CCONJ
ap-9380	153	16	analysis	analysis	NOUN
ap-9380	153	17	.	.	PUNCT
ap-9380	154	1	a	a	DET
ap-9380	154	2	higher	high	ADJ
ap-9380	154	3	snr	snr	NOUN
ap-9380	154	4	implies	imply	VERB
ap-9380	154	5	a	a	DET
ap-9380	154	6	stronger	strong	ADJ
ap-9380	154	7	signal	signal	NOUN
ap-9380	154	8	relative	relative	ADJ
ap-9380	154	9	to	to	ADP
ap-9380	154	10	the	the	DET
ap-9380	154	11	noise	noise	NOUN
ap-9380	154	12	,	,	PUNCT
ap-9380	154	13	making	make	VERB
ap-9380	154	14	it	it	PRON
ap-9380	154	15	easier	easy	ADJ
ap-9380	154	16	to	to	PART
ap-9380	154	17	extract	extract	VERB
ap-9380	154	18	meaningful	meaningful	ADJ
ap-9380	154	19	information	information	NOUN
ap-9380	154	20	and	and	CCONJ
ap-9380	154	21	detect	detect	VERB
ap-9380	154	22	subtle	subtle	ADJ
ap-9380	154	23	variations	variation	NOUN
ap-9380	154	24	or	or	CCONJ
ap-9380	154	25	anomalies	anomaly	NOUN
ap-9380	154	26	within	within	ADP
ap-9380	154	27	the	the	DET
ap-9380	154	28	signal	signal	NOUN
ap-9380	154	29	.	.	PUNCT
ap-9380	155	1	4	4	X
ap-9380	155	2	.	.	X
ap-9380	155	3	experimental	experimental	ADJ
ap-9380	155	4	evaluation	evaluation	NOUN
ap-9380	155	5	to	to	PART
ap-9380	155	6	verify	verify	VERB
ap-9380	155	7	the	the	DET
ap-9380	155	8	assessment	assessment	NOUN
ap-9380	155	9	,	,	PUNCT
ap-9380	155	10	the	the	DET
ap-9380	155	11	proposed	propose	VERB
ap-9380	155	12	method	method	NOUN
ap-9380	155	13	is	be	AUX
ap-9380	155	14	applied	apply	VERB
ap-9380	155	15	to	to	ADP
ap-9380	155	16	the	the	DET
ap-9380	155	17	gearbox	gearbox	ADJ
ap-9380	155	18	vibration	vibration	NOUN
ap-9380	155	19	signals	signal	NOUN
ap-9380	155	20	from	from	ADP
ap-9380	155	21	the	the	DET
ap-9380	155	22	experimental	experimental	ADJ
ap-9380	155	23	test	test	NOUN
ap-9380	155	24	conducted	conduct	VERB
ap-9380	155	25	by	by	ADP
ap-9380	155	26	[	[	X
ap-9380	155	27	34	34	NUM
ap-9380	155	28	]	]	X
ap-9380	155	29	(	(	PUNCT
ap-9380	155	30	university	university	NOUN
ap-9380	155	31	of	of	ADP
ap-9380	155	32	new	new	ADJ
ap-9380	155	33	wales	wales	PROPN
ap-9380	155	34	,	,	PUNCT
ap-9380	155	35	kensington	kensington	PROPN
ap-9380	155	36	,	,	PUNCT
ap-9380	155	37	australia	australia	PROPN
ap-9380	155	38	,	,	PUNCT
ap-9380	155	39	and	and	CCONJ
ap-9380	155	40	laspi	laspi	NOUN
ap-9380	155	41	,	,	PUNCT
ap-9380	155	42	senlis	senlis	ADJ
ap-9380	155	43	)	)	PUNCT
ap-9380	155	44	to	to	PART
ap-9380	155	45	investigate	investigate	VERB
ap-9380	155	46	the	the	DET
ap-9380	155	47	impact	impact	NOUN
ap-9380	155	48	of	of	ADP
ap-9380	155	49	gear	gear	NOUN
ap-9380	155	50	profile	profile	NOUN
ap-9380	155	51	errors	error	NOUN
ap-9380	155	52	on	on	ADP
ap-9380	155	53	transmission	transmission	NOUN
ap-9380	155	54	error	error	NOUN
ap-9380	155	55	(	(	PUNCT
ap-9380	155	56	te	te	PROPN
ap-9380	155	57	)	)	PUNCT
ap-9380	155	58	,	,	PUNCT
ap-9380	155	59	as	as	SCONJ
ap-9380	155	60	shown	show	VERB
ap-9380	155	61	in	in	ADP
ap-9380	155	62	figures	figure	NOUN
ap-9380	155	63	7	7	NUM
ap-9380	155	64	and	and	CCONJ
ap-9380	155	65	8	8	NUM
ap-9380	155	66	.	.	PUNCT
ap-9380	156	1	the	the	DET
ap-9380	156	2	rig	rig	NOUN
ap-9380	156	3	features	feature	VERB
ap-9380	156	4	a	a	DET
ap-9380	156	5	single	single	ADJ
ap-9380	156	6	stage	stage	NOUN
ap-9380	156	7	gearbox	gearbox	NOUN
ap-9380	156	8	with	with	ADP
ap-9380	156	9	a	a	DET
ap-9380	156	10	spur	spur	NOUN
ap-9380	156	11	gear	gear	NOUN
ap-9380	156	12	set	set	NOUN
ap-9380	156	13	containing	contain	VERB
ap-9380	156	14	32	32	NUM
ap-9380	156	15	teeth	tooth	NOUN
ap-9380	156	16	on	on	ADP
ap-9380	156	17	each	each	DET
ap-9380	156	18	gear	gear	NOUN
ap-9380	156	19	and	and	CCONJ
ap-9380	156	20	a	a	DET
ap-9380	156	21	1:1	1:1	NUM
ap-9380	156	22	gear	gear	NOUN
ap-9380	156	23	figure	figure	NOUN
ap-9380	156	24	7	7	NUM
ap-9380	156	25	.	.	PUNCT
ap-9380	156	26	experimental	experimental	ADJ
ap-9380	156	27	test	test	NOUN
ap-9380	156	28	of	of	ADP
ap-9380	156	29	unsw	unsw	PROPN
ap-9380	156	30	gearbox	gearbox	PROPN
ap-9380	156	31	.	.	PUNCT
ap-9380	157	1	figure	figure	NOUN
ap-9380	157	2	8	8	NUM
ap-9380	157	3	.	.	PUNCT
ap-9380	158	1	the	the	DET
ap-9380	158	2	defective	defective	ADJ
ap-9380	158	3	gear	gear	NOUN
ap-9380	158	4	.	.	PUNCT
ap-9380	159	1	ratio	ratio	NOUN
ap-9380	159	2	.	.	PUNCT
ap-9380	160	1	it	it	PRON
ap-9380	160	2	is	be	AUX
ap-9380	160	3	mainly	mainly	ADV
ap-9380	160	4	driven	drive	VERB
ap-9380	160	5	by	by	ADP
ap-9380	160	6	a	a	DET
ap-9380	160	7	three	three	NUM
ap-9380	160	8	phase	phase	NOUN
ap-9380	160	9	electric	electric	ADJ
ap-9380	160	10	motor	motor	NOUN
ap-9380	160	11	,	,	PUNCT
ap-9380	160	12	with	with	ADP
ap-9380	160	13	circulating	circulate	VERB
ap-9380	160	14	power	power	NOUN
ap-9380	160	15	provided	provide	VERB
ap-9380	160	16	through	through	ADP
ap-9380	160	17	a	a	DET
ap-9380	160	18	hydraulic	hydraulic	ADJ
ap-9380	160	19	pump	pump	NOUN
ap-9380	160	20	/	/	SYM
ap-9380	160	21	motor	motor	NOUN
ap-9380	160	22	set	set	NOUN
ap-9380	160	23	.	.	PUNCT
ap-9380	161	1	the	the	DET
ap-9380	161	2	input	input	NOUN
ap-9380	161	3	and	and	CCONJ
ap-9380	161	4	output	output	NOUN
ap-9380	161	5	shafts	shafts	ADJ
ap-9380	161	6	of	of	ADP
ap-9380	161	7	the	the	DET
ap-9380	161	8	gearbox	gearbox	NOUN
ap-9380	161	9	are	be	AUX
ap-9380	161	10	positioned	position	VERB
ap-9380	161	11	parallel	parallel	ADJ
ap-9380	161	12	to	to	ADP
ap-9380	161	13	each	each	DET
ap-9380	161	14	other	other	ADJ
ap-9380	161	15	,	,	PUNCT
ap-9380	161	16	and	and	CCONJ
ap-9380	161	17	are	be	AUX
ap-9380	161	18	supported	support	VERB
ap-9380	161	19	by	by	ADP
ap-9380	161	20	two	two	NUM
ap-9380	161	21	double	double	ADJ
ap-9380	161	22	row	row	NOUN
ap-9380	161	23	ball	ball	NOUN
ap-9380	161	24	bearings	bearing	NOUN
ap-9380	161	25	(	(	PUNCT
ap-9380	161	26	koyo	koyo	NOUN
ap-9380	161	27	1205	1205	NUM
ap-9380	161	28	)	)	PUNCT
ap-9380	161	29	per	per	ADP
ap-9380	161	30	shaft	shaft	NOUN
ap-9380	161	31	.	.	PUNCT
ap-9380	162	1	flywheels	flywheel	NOUN
ap-9380	162	2	are	be	AUX
ap-9380	162	3	used	use	VERB
ap-9380	162	4	to	to	PART
ap-9380	162	5	reduce	reduce	VERB
ap-9380	162	6	input	input	NOUN
ap-9380	162	7	and	and	CCONJ
ap-9380	162	8	output	output	NOUN
ap-9380	162	9	shaft	shaft	NOUN
ap-9380	162	10	speed	speed	NOUN
ap-9380	162	11	fluctuations	fluctuation	NOUN
ap-9380	162	12	.	.	PUNCT
ap-9380	163	1	the	the	DET
ap-9380	163	2	focus	focus	NOUN
ap-9380	163	3	is	be	AUX
ap-9380	163	4	on	on	ADP
ap-9380	163	5	the	the	DET
ap-9380	163	6	first	first	ADJ
ap-9380	163	7	set	set	NOUN
ap-9380	163	8	of	of	ADP
ap-9380	163	9	tests	test	NOUN
ap-9380	163	10	,	,	PUNCT
ap-9380	163	11	with	with	ADP
ap-9380	163	12	a	a	DET
ap-9380	163	13	defective	defective	ADJ
ap-9380	163	14	tooth	tooth	NOUN
ap-9380	163	15	on	on	ADP
ap-9380	163	16	the	the	DET
ap-9380	163	17	171	171	NUM
ap-9380	163	18	l.	l.	NOUN
ap-9380	163	19	bouhafs	bouhafs	NOUN
ap-9380	163	20	,	,	PUNCT
ap-9380	163	21	s.	s.	PROPN
ap-9380	163	22	tamalouzt	tamalouzt	PROPN
ap-9380	163	23	,	,	PUNCT
ap-9380	163	24	a.	a.	PROPN
ap-9380	163	25	bouzida	bouzida	PROPN
ap-9380	163	26	acta	acta	PROPN
ap-9380	163	27	polytechnica	polytechnica	PROPN
ap-9380	163	28	figure	figure	NOUN
ap-9380	163	29	9	9	NUM
ap-9380	163	30	.	.	PUNCT
ap-9380	164	1	the	the	DET
ap-9380	164	2	healthy	healthy	ADJ
ap-9380	164	3	signal	signal	NOUN
ap-9380	164	4	:	:	PUNCT
ap-9380	164	5	the	the	DET
ap-9380	164	6	measured	measured	ADJ
ap-9380	164	7	signal	signal	NOUN
ap-9380	164	8	.	.	PUNCT
ap-9380	165	1	figure	figure	NOUN
ap-9380	165	2	10	10	NUM
ap-9380	165	3	.	.	PUNCT
ap-9380	166	1	the	the	DET
ap-9380	166	2	healthy	healthy	ADJ
ap-9380	166	3	signal	signal	NOUN
ap-9380	166	4	:	:	PUNCT
ap-9380	166	5	spectrum	spectrum	NOUN
ap-9380	166	6	.	.	PUNCT
ap-9380	167	1	driven	drive	VERB
ap-9380	167	2	wheel	wheel	NOUN
ap-9380	167	3	.	.	PUNCT
ap-9380	168	1	two	two	NUM
ap-9380	168	2	sensors	sensor	NOUN
ap-9380	168	3	were	be	AUX
ap-9380	168	4	employed	employ	VERB
ap-9380	168	5	to	to	PART
ap-9380	168	6	record	record	NOUN
ap-9380	168	7	data	datum	NOUN
ap-9380	168	8	signals	signal	NOUN
ap-9380	168	9	on	on	ADP
ap-9380	168	10	the	the	DET
ap-9380	168	11	gear	gear	NOUN
ap-9380	168	12	reducer	reducer	NOUN
ap-9380	168	13	;	;	PUNCT
ap-9380	168	14	an	an	DET
ap-9380	168	15	accelerometer	accelerometer	NOUN
ap-9380	168	16	and	and	CCONJ
ap-9380	168	17	tachymeter	tachymeter	NOUN
ap-9380	168	18	.	.	PUNCT
ap-9380	169	1	two	two	NUM
ap-9380	169	2	experimental	experimental	ADJ
ap-9380	169	3	applications	application	NOUN
ap-9380	169	4	are	be	AUX
ap-9380	169	5	presented	present	VERB
ap-9380	169	6	to	to	PART
ap-9380	169	7	evaluate	evaluate	VERB
ap-9380	169	8	the	the	DET
ap-9380	169	9	proposed	propose	VERB
ap-9380	169	10	approach	approach	NOUN
ap-9380	169	11	.	.	PUNCT
ap-9380	170	1	the	the	DET
ap-9380	170	2	first	first	ADJ
ap-9380	170	3	is	be	AUX
ap-9380	170	4	a	a	DET
ap-9380	170	5	gear	gear	ADJ
ap-9380	170	6	tooth	tooth	NOUN
ap-9380	170	7	defect	defect	NOUN
ap-9380	170	8	.	.	PUNCT
ap-9380	171	1	the	the	DET
ap-9380	171	2	second	second	ADJ
ap-9380	171	3	experimental	experimental	ADJ
ap-9380	171	4	investigation	investigation	NOUN
ap-9380	171	5	concerns	concern	VERB
ap-9380	171	6	the	the	DET
ap-9380	171	7	study	study	NOUN
ap-9380	171	8	of	of	ADP
ap-9380	171	9	the	the	DET
ap-9380	171	10	effect	effect	NOUN
ap-9380	171	11	of	of	ADP
ap-9380	171	12	load	load	NOUN
ap-9380	171	13	variation	variation	NOUN
ap-9380	171	14	in	in	ADP
ap-9380	171	15	the	the	DET
ap-9380	171	16	same	same	ADJ
ap-9380	171	17	default	default	NOUN
ap-9380	171	18	case	case	NOUN
ap-9380	171	19	.	.	PUNCT
ap-9380	172	1	4.1	4.1	NUM
ap-9380	172	2	.	.	PUNCT
ap-9380	172	3	detecting	detect	VERB
ap-9380	172	4	faults	fault	NOUN
ap-9380	172	5	in	in	ADP
ap-9380	172	6	high	high	ADJ
ap-9380	172	7	speed	speed	NOUN
ap-9380	172	8	gearbox	gearbox	NOUN
ap-9380	172	9	in	in	ADP
ap-9380	172	10	this	this	DET
ap-9380	172	11	testing	testing	NOUN
ap-9380	172	12	setup	setup	NOUN
ap-9380	172	13	,	,	PUNCT
ap-9380	172	14	the	the	DET
ap-9380	172	15	gearbox	gearbox	NOUN
ap-9380	172	16	is	be	AUX
ap-9380	172	17	primarily	primarily	ADV
ap-9380	172	18	driven	drive	VERB
ap-9380	172	19	by	by	ADP
ap-9380	172	20	a	a	DET
ap-9380	172	21	three	three	NUM
ap-9380	172	22	phase	phase	NOUN
ap-9380	172	23	electric	electric	ADJ
ap-9380	172	24	motor	motor	NOUN
ap-9380	172	25	.	.	PUNCT
ap-9380	173	1	however	however	ADV
ap-9380	173	2	,	,	PUNCT
ap-9380	173	3	the	the	DET
ap-9380	173	4	focus	focus	NOUN
ap-9380	173	5	of	of	ADP
ap-9380	173	6	this	this	DET
ap-9380	173	7	section	section	NOUN
ap-9380	173	8	is	be	AUX
ap-9380	173	9	to	to	PART
ap-9380	173	10	use	use	VERB
ap-9380	173	11	the	the	DET
ap-9380	173	12	edo	edo	PROPN
ap-9380	173	13	(	(	PUNCT
ap-9380	173	14	envelope	envelope	NOUN
ap-9380	173	15	demodulation	demodulation	NOUN
ap-9380	173	16	order	order	NOUN
ap-9380	173	17	tracking	tracking	NOUN
ap-9380	173	18	)	)	PUNCT
ap-9380	173	19	method	method	NOUN
ap-9380	173	20	for	for	ADP
ap-9380	173	21	the	the	DET
ap-9380	173	22	purpose	purpose	NOUN
ap-9380	173	23	of	of	ADP
ap-9380	173	24	detecting	detect	VERB
ap-9380	173	25	faults	fault	NOUN
ap-9380	173	26	specifically	specifically	ADV
ap-9380	173	27	in	in	ADP
ap-9380	173	28	gearboxes	gearbox	NOUN
ap-9380	173	29	intended	intend	VERB
ap-9380	173	30	for	for	ADP
ap-9380	173	31	use	use	NOUN
ap-9380	173	32	in	in	ADP
ap-9380	173	33	wind	wind	NOUN
ap-9380	173	34	turbines	turbine	NOUN
ap-9380	173	35	.	.	PUNCT
ap-9380	174	1	to	to	PART
ap-9380	174	2	achieve	achieve	VERB
ap-9380	174	3	this	this	PRON
ap-9380	174	4	,	,	PUNCT
ap-9380	174	5	a	a	DET
ap-9380	174	6	comparative	comparative	ADJ
ap-9380	174	7	analysis	analysis	NOUN
ap-9380	174	8	is	be	AUX
ap-9380	174	9	conducted	conduct	VERB
ap-9380	174	10	between	between	ADP
ap-9380	174	11	the	the	DET
ap-9380	174	12	spectral	spectral	ADJ
ap-9380	174	13	characteristics	characteristic	NOUN
ap-9380	174	14	of	of	ADP
ap-9380	174	15	faulty	faulty	ADJ
ap-9380	174	16	gearboxes	gearbox	NOUN
ap-9380	174	17	and	and	CCONJ
ap-9380	174	18	those	those	PRON
ap-9380	174	19	in	in	ADP
ap-9380	174	20	a	a	DET
ap-9380	174	21	healthy	healthy	ADJ
ap-9380	174	22	state	state	NOUN
ap-9380	174	23	.	.	PUNCT
ap-9380	175	1	figures	figure	NOUN
ap-9380	175	2	9–14	9–14	PROPN
ap-9380	175	3	in	in	ADP
ap-9380	175	4	the	the	DET
ap-9380	175	5	following	follow	VERB
ap-9380	175	6	sections	section	NOUN
ap-9380	175	7	present	present	VERB
ap-9380	175	8	comprehensive	comprehensive	ADJ
ap-9380	175	9	visualisations	visualisation	NOUN
ap-9380	175	10	of	of	ADP
ap-9380	175	11	the	the	DET
ap-9380	175	12	temporal	temporal	ADJ
ap-9380	175	13	vibration	vibration	NOUN
ap-9380	175	14	signal	signal	NOUN
ap-9380	175	15	,	,	PUNCT
ap-9380	175	16	its	its	PRON
ap-9380	175	17	corresponding	corresponding	ADJ
ap-9380	175	18	spectrum	spectrum	NOUN
ap-9380	175	19	,	,	PUNCT
ap-9380	175	20	and	and	CCONJ
ap-9380	175	21	its	its	PRON
ap-9380	175	22	envelope	envelope	NOUN
ap-9380	175	23	for	for	ADP
ap-9380	175	24	both	both	CCONJ
ap-9380	175	25	healthy	healthy	ADJ
ap-9380	175	26	and	and	CCONJ
ap-9380	175	27	defective	defective	ADJ
ap-9380	175	28	gear	gear	NOUN
ap-9380	175	29	scenarios	scenario	NOUN
ap-9380	175	30	.	.	PUNCT
ap-9380	176	1	these	these	DET
ap-9380	176	2	visual	visual	ADJ
ap-9380	176	3	representations	representation	NOUN
ap-9380	176	4	serve	serve	VERB
ap-9380	176	5	as	as	ADP
ap-9380	176	6	valuable	valuable	ADJ
ap-9380	176	7	tools	tool	NOUN
ap-9380	176	8	in	in	ADP
ap-9380	176	9	diagnosing	diagnose	VERB
ap-9380	176	10	and	and	CCONJ
ap-9380	176	11	understanding	understand	VERB
ap-9380	176	12	the	the	DET
ap-9380	176	13	condition	condition	NOUN
ap-9380	176	14	of	of	ADP
ap-9380	176	15	the	the	DET
ap-9380	176	16	gearbox	gearbox	NOUN
ap-9380	176	17	,	,	PUNCT
ap-9380	176	18	aiding	aid	VERB
ap-9380	176	19	in	in	ADP
ap-9380	176	20	the	the	DET
ap-9380	176	21	detection	detection	NOUN
ap-9380	176	22	of	of	ADP
ap-9380	176	23	any	any	DET
ap-9380	176	24	potential	potential	ADJ
ap-9380	176	25	faults	fault	NOUN
ap-9380	176	26	.	.	PUNCT
ap-9380	177	1	wheels	wheel	NOUN
ap-9380	177	2	rotation	rotation	NOUN
ap-9380	177	3	frequencies	frequency	NOUN
ap-9380	177	4	,	,	PUNCT
ap-9380	177	5	are	be	AUX
ap-9380	177	6	measured	measure	VERB
ap-9380	177	7	and	and	CCONJ
ap-9380	177	8	reported	report	VERB
ap-9380	177	9	.	.	PUNCT
ap-9380	178	1	these	these	DET
ap-9380	178	2	frequency	frequency	NOUN
ap-9380	178	3	values	value	NOUN
ap-9380	178	4	are	be	AUX
ap-9380	178	5	crucial	crucial	ADJ
ap-9380	178	6	indicators	indicator	NOUN
ap-9380	178	7	figure	figure	VERB
ap-9380	178	8	11	11	NUM
ap-9380	178	9	.	.	PUNCT
ap-9380	179	1	the	the	DET
ap-9380	179	2	envelope	envelope	NOUN
ap-9380	179	3	spectra	spectra	NOUN
ap-9380	179	4	of	of	ADP
ap-9380	179	5	the	the	DET
ap-9380	179	6	healthy	healthy	ADJ
ap-9380	179	7	signal	signal	NOUN
ap-9380	179	8	.	.	PUNCT
ap-9380	180	1	figure	figure	NOUN
ap-9380	180	2	12	12	NUM
ap-9380	180	3	.	.	PUNCT
ap-9380	181	1	the	the	DET
ap-9380	181	2	faulty	faulty	ADJ
ap-9380	181	3	signal	signal	NOUN
ap-9380	181	4	:	:	PUNCT
ap-9380	181	5	the	the	DET
ap-9380	181	6	measured	measured	ADJ
ap-9380	181	7	signal	signal	NOUN
ap-9380	181	8	.	.	PUNCT
ap-9380	181	9	figure	figure	NOUN
ap-9380	181	10	13	13	NUM
ap-9380	181	11	.	.	PUNCT
ap-9380	182	1	the	the	DET
ap-9380	182	2	faulty	faulty	ADJ
ap-9380	182	3	signal	signal	NOUN
ap-9380	182	4	:	:	PUNCT
ap-9380	182	5	spectrum	spectrum	NOUN
ap-9380	182	6	.	.	PUNCT
ap-9380	183	1	figure	figure	NOUN
ap-9380	183	2	14	14	NUM
ap-9380	183	3	.	.	PUNCT
ap-9380	184	1	the	the	DET
ap-9380	184	2	envelope	envelope	NOUN
ap-9380	184	3	spectra	spectra	NOUN
ap-9380	184	4	of	of	ADP
ap-9380	184	5	the	the	DET
ap-9380	184	6	faulty	faulty	ADJ
ap-9380	184	7	signal	signal	NOUN
ap-9380	184	8	.	.	PUNCT
ap-9380	185	1	172	172	NUM
ap-9380	185	2	vol	vol	NOUN
ap-9380	185	3	.	.	PUNCT
ap-9380	186	1	65	65	NUM
ap-9380	186	2	no	no	INTJ
ap-9380	186	3	.	.	PUNCT
ap-9380	187	1	2/2025	2/2025	NUM
ap-9380	187	2	a	a	DET
ap-9380	187	3	novel	novel	ADJ
ap-9380	187	4	approach	approach	NOUN
ap-9380	187	5	to	to	PART
ap-9380	187	6	feature	feature	VERB
ap-9380	187	7	extraction	extraction	NOUN
ap-9380	187	8	from	from	ADP
ap-9380	187	9	gear	gear	NOUN
ap-9380	187	10	condition	condition	NOUN
ap-9380	187	11	.	.	PUNCT
ap-9380	187	12	.	.	PUNCT
ap-9380	187	13	.	.	PUNCT
ap-9380	188	1	(	(	PUNCT
ap-9380	188	2	a	a	X
ap-9380	188	3	)	)	PUNCT
ap-9380	188	4	.	.	PUNCT
ap-9380	189	1	healthy	healthy	ADJ
ap-9380	189	2	signal	signal	NOUN
ap-9380	189	3	.	.	PUNCT
ap-9380	190	1	(	(	PUNCT
ap-9380	190	2	b	b	NOUN
ap-9380	190	3	)	)	PUNCT
ap-9380	190	4	.	.	PUNCT
ap-9380	191	1	faulty	faulty	ADJ
ap-9380	191	2	signal	signal	PROPN
ap-9380	191	3	.	.	PUNCT
ap-9380	192	1	figure	figure	NOUN
ap-9380	192	2	15	15	NUM
ap-9380	192	3	.	.	PUNCT
ap-9380	193	1	spectrum	spectrum	NOUN
ap-9380	193	2	of	of	ADP
ap-9380	193	3	the	the	DET
ap-9380	193	4	the	the	DET
ap-9380	193	5	edo	edo	PROPN
ap-9380	193	6	results	result	NOUN
ap-9380	193	7	.	.	PUNCT
ap-9380	194	1	figure	figure	VERB
ap-9380	194	2	16	16	NUM
ap-9380	194	3	.	.	PUNCT
ap-9380	195	1	evolution	evolution	NOUN
ap-9380	195	2	of	of	ADP
ap-9380	195	3	the	the	DET
ap-9380	195	4	fft	fft	NOUN
ap-9380	195	5	magnitudes	magnitude	NOUN
ap-9380	195	6	of	of	ADP
ap-9380	195	7	the	the	DET
ap-9380	195	8	signals	signal	NOUN
ap-9380	195	9	for	for	ADP
ap-9380	195	10	three	three	NUM
ap-9380	195	11	load	load	NOUN
ap-9380	195	12	levels	level	NOUN
ap-9380	195	13	.	.	PUNCT
ap-9380	196	1	of	of	ADP
ap-9380	196	2	the	the	DET
ap-9380	196	3	gearbox	gearbox	NOUN
ap-9380	196	4	’s	’s	PART
ap-9380	196	5	health	health	NOUN
ap-9380	197	1	and	and	CCONJ
ap-9380	197	2	hold	hold	VERB
ap-9380	197	3	the	the	DET
ap-9380	197	4	potential	potential	NOUN
ap-9380	197	5	to	to	PART
ap-9380	197	6	identify	identify	VERB
ap-9380	197	7	any	any	DET
ap-9380	197	8	underlying	underlie	VERB
ap-9380	197	9	faults	fault	NOUN
ap-9380	197	10	.	.	PUNCT
ap-9380	198	1	additionally	additionally	ADV
ap-9380	198	2	,	,	PUNCT
ap-9380	198	3	the	the	DET
ap-9380	198	4	meshing	meshing	NOUN
ap-9380	198	5	frequency	frequency	NOUN
ap-9380	198	6	is	be	AUX
ap-9380	198	7	approximately	approximately	ADV
ap-9380	198	8	960	960	NUM
ap-9380	198	9	hz	hz	NOUN
ap-9380	198	10	,	,	PUNCT
ap-9380	198	11	providing	provide	VERB
ap-9380	198	12	an	an	DET
ap-9380	198	13	essential	essential	ADJ
ap-9380	198	14	reference	reference	NOUN
ap-9380	198	15	point	point	NOUN
ap-9380	198	16	for	for	ADP
ap-9380	198	17	assessing	assess	VERB
ap-9380	198	18	the	the	DET
ap-9380	198	19	gearbox	gearbox	NOUN
ap-9380	198	20	performance	performance	NOUN
ap-9380	198	21	.	.	PUNCT
ap-9380	199	1	it	it	PRON
ap-9380	199	2	is	be	AUX
ap-9380	199	3	important	important	ADJ
ap-9380	199	4	to	to	PART
ap-9380	199	5	note	note	VERB
ap-9380	199	6	that	that	SCONJ
ap-9380	199	7	the	the	DET
ap-9380	199	8	sampling	sample	VERB
ap-9380	199	9	frequency	frequency	NOUN
ap-9380	199	10	used	use	VERB
ap-9380	199	11	for	for	ADP
ap-9380	199	12	data	datum	NOUN
ap-9380	199	13	acquisition	acquisition	NOUN
ap-9380	199	14	is	be	AUX
ap-9380	199	15	set	set	VERB
ap-9380	199	16	to	to	ADP
ap-9380	199	17	97	97	NUM
ap-9380	199	18	656	656	NUM
ap-9380	199	19	hz	hz	VERB
ap-9380	199	20	,	,	PUNCT
ap-9380	199	21	ensuring	ensure	VERB
ap-9380	199	22	that	that	SCONJ
ap-9380	199	23	the	the	DET
ap-9380	199	24	vibration	vibration	NOUN
ap-9380	199	25	signals	signal	NOUN
ap-9380	199	26	are	be	AUX
ap-9380	199	27	adequately	adequately	ADV
ap-9380	199	28	captured	capture	VERB
ap-9380	199	29	and	and	CCONJ
ap-9380	199	30	analysed	analyse	VERB
ap-9380	199	31	.	.	PUNCT
ap-9380	200	1	in	in	ADP
ap-9380	200	2	order	order	NOUN
ap-9380	200	3	to	to	PART
ap-9380	200	4	improve	improve	VERB
ap-9380	200	5	our	our	PRON
ap-9380	200	6	detection	detection	NOUN
ap-9380	200	7	approach	approach	NOUN
ap-9380	200	8	while	while	SCONJ
ap-9380	200	9	dealing	deal	VERB
ap-9380	200	10	with	with	ADP
ap-9380	200	11	background	background	NOUN
ap-9380	200	12	noise	noise	NOUN
ap-9380	200	13	,	,	PUNCT
ap-9380	200	14	we	we	PRON
ap-9380	200	15	use	use	VERB
ap-9380	200	16	the	the	DET
ap-9380	200	17	edo	edo	PROPN
ap-9380	200	18	method	method	NOUN
ap-9380	200	19	to	to	PART
ap-9380	200	20	transform	transform	VERB
ap-9380	200	21	the	the	DET
ap-9380	200	22	signal	signal	NOUN
ap-9380	200	23	.	.	PUNCT
ap-9380	201	1	the	the	DET
ap-9380	201	2	transformed	transform	VERB
ap-9380	201	3	spectra	spectra	NOUN
ap-9380	201	4	for	for	ADP
ap-9380	201	5	both	both	CCONJ
ap-9380	201	6	the	the	DET
ap-9380	201	7	healthy	healthy	ADJ
ap-9380	201	8	and	and	CCONJ
ap-9380	201	9	defective	defective	ADJ
ap-9380	201	10	gear	gear	NOUN
ap-9380	201	11	conditions	condition	NOUN
ap-9380	201	12	are	be	AUX
ap-9380	201	13	visually	visually	ADV
ap-9380	201	14	represented	represent	VERB
ap-9380	201	15	in	in	ADP
ap-9380	201	16	figure	figure	NOUN
ap-9380	201	17	15	15	NUM
ap-9380	201	18	.	.	PUNCT
ap-9380	202	1	a	a	DET
ap-9380	202	2	notable	notable	ADJ
ap-9380	202	3	observation	observation	NOUN
ap-9380	202	4	is	be	AUX
ap-9380	202	5	the	the	DET
ap-9380	202	6	presence	presence	NOUN
ap-9380	202	7	of	of	ADP
ap-9380	202	8	multiple	multiple	ADJ
ap-9380	202	9	harmonics	harmonic	NOUN
ap-9380	202	10	corresponding	correspond	VERB
ap-9380	202	11	to	to	ADP
ap-9380	202	12	the	the	DET
ap-9380	202	13	characteristic	characteristic	ADJ
ap-9380	202	14	defect	defect	NOUN
ap-9380	202	15	frequency	frequency	NOUN
ap-9380	202	16	.	.	PUNCT
ap-9380	203	1	these	these	DET
ap-9380	203	2	harmonics	harmonic	NOUN
ap-9380	203	3	are	be	AUX
ap-9380	203	4	clearly	clearly	ADV
ap-9380	203	5	discernible	discernible	ADJ
ap-9380	203	6	at	at	ADP
ap-9380	203	7	frequencies	frequency	NOUN
ap-9380	203	8	such	such	ADJ
ap-9380	203	9	as	as	ADP
ap-9380	203	10	30	30	NUM
ap-9380	203	11	hz	hz	NOUN
ap-9380	203	12	,	,	PUNCT
ap-9380	203	13	60	60	NUM
ap-9380	203	14	hz	hz	ADJ
ap-9380	203	15	,	,	PUNCT
ap-9380	203	16	90	90	NUM
ap-9380	203	17	hz	hz	NOUN
ap-9380	203	18	,	,	PUNCT
ap-9380	203	19	120	120	NUM
ap-9380	203	20	hz	hz	NOUN
ap-9380	203	21	,	,	PUNCT
ap-9380	203	22	150	150	NUM
ap-9380	203	23	hz	hz	NOUN
ap-9380	203	24	,	,	PUNCT
ap-9380	203	25	180	180	NUM
ap-9380	203	26	hz	hz	ADJ
ap-9380	203	27	,	,	PUNCT
ap-9380	203	28	210	210	NUM
ap-9380	203	29	hz	hz	VERB
ap-9380	203	30	,	,	PUNCT
ap-9380	203	31	and	and	CCONJ
ap-9380	203	32	240	240	NUM
ap-9380	203	33	hz	hz	NOUN
ap-9380	203	34	.	.	PUNCT
ap-9380	204	1	these	these	DET
ap-9380	204	2	distinct	distinct	ADJ
ap-9380	204	3	peaks	peak	NOUN
ap-9380	204	4	provide	provide	VERB
ap-9380	204	5	critical	critical	ADJ
ap-9380	204	6	information	information	NOUN
ap-9380	204	7	for	for	ADP
ap-9380	204	8	pinpointing	pinpoint	VERB
ap-9380	204	9	the	the	DET
ap-9380	204	10	location	location	NOUN
ap-9380	204	11	of	of	ADP
ap-9380	204	12	the	the	DET
ap-9380	204	13	deteriorated	deteriorated	ADJ
ap-9380	204	14	tooth	tooth	NOUN
ap-9380	204	15	within	within	ADP
ap-9380	204	16	the	the	DET
ap-9380	204	17	gearbox	gearbox	NOUN
ap-9380	204	18	.	.	PUNCT
ap-9380	205	1	this	this	DET
ap-9380	205	2	information	information	NOUN
ap-9380	205	3	becomes	become	VERB
ap-9380	205	4	particularly	particularly	ADV
ap-9380	205	5	evident	evident	ADJ
ap-9380	205	6	when	when	SCONJ
ap-9380	205	7	examining	examine	VERB
ap-9380	205	8	the	the	DET
ap-9380	205	9	rotational	rotational	ADJ
ap-9380	205	10	frequency	frequency	NOUN
ap-9380	205	11	of	of	ADP
ap-9380	205	12	the	the	DET
ap-9380	205	13	defective	defective	ADJ
ap-9380	205	14	driven	drive	VERB
ap-9380	205	15	wheel	wheel	NOUN
ap-9380	205	16	.	.	PUNCT
ap-9380	206	1	conversely	conversely	ADV
ap-9380	206	2	,	,	PUNCT
ap-9380	206	3	in	in	ADP
ap-9380	206	4	the	the	DET
ap-9380	206	5	case	case	NOUN
ap-9380	206	6	of	of	ADP
ap-9380	206	7	a	a	DET
ap-9380	206	8	healthy	healthy	ADJ
ap-9380	206	9	gear	gear	NOUN
ap-9380	206	10	(	(	PUNCT
ap-9380	206	11	as	as	SCONJ
ap-9380	206	12	shown	show	VERB
ap-9380	206	13	in	in	ADP
ap-9380	206	14	figure	figure	NOUN
ap-9380	206	15	15a	15a	NOUN
ap-9380	206	16	)	)	PUNCT
ap-9380	206	17	,	,	PUNCT
ap-9380	206	18	there	there	PRON
ap-9380	206	19	is	be	VERB
ap-9380	206	20	a	a	DET
ap-9380	206	21	notable	notable	ADJ
ap-9380	206	22	absence	absence	NOUN
ap-9380	206	23	of	of	ADP
ap-9380	206	24	significant	significant	ADJ
ap-9380	206	25	peaks	peak	NOUN
ap-9380	206	26	or	or	CCONJ
ap-9380	206	27	harmonics	harmonic	NOUN
ap-9380	206	28	.	.	PUNCT
ap-9380	207	1	this	this	DET
ap-9380	207	2	absence	absence	NOUN
ap-9380	207	3	underlines	underline	VERB
ap-9380	207	4	the	the	DET
ap-9380	207	5	effectiveness	effectiveness	NOUN
ap-9380	207	6	of	of	ADP
ap-9380	207	7	the	the	DET
ap-9380	207	8	edo	edo	PROPN
ap-9380	207	9	method	method	NOUN
ap-9380	207	10	in	in	ADP
ap-9380	207	11	reducing	reduce	VERB
ap-9380	207	12	the	the	DET
ap-9380	207	13	influence	influence	NOUN
ap-9380	207	14	of	of	ADP
ap-9380	207	15	background	background	NOUN
ap-9380	207	16	noise	noise	NOUN
ap-9380	207	17	and	and	CCONJ
ap-9380	207	18	substantially	substantially	ADV
ap-9380	207	19	improving	improve	VERB
ap-9380	207	20	the	the	DET
ap-9380	207	21	precision	precision	NOUN
ap-9380	207	22	of	of	ADP
ap-9380	207	23	defect	defect	ADJ
ap-9380	207	24	detection	detection	NOUN
ap-9380	207	25	.	.	PUNCT
ap-9380	208	1	in	in	ADP
ap-9380	208	2	essence	essence	NOUN
ap-9380	208	3	,	,	PUNCT
ap-9380	208	4	the	the	DET
ap-9380	208	5	edo	edo	PROPN
ap-9380	208	6	method	method	NOUN
ap-9380	208	7	proves	prove	VERB
ap-9380	208	8	to	to	PART
ap-9380	208	9	be	be	AUX
ap-9380	208	10	a	a	DET
ap-9380	208	11	valuable	valuable	ADJ
ap-9380	208	12	tool	tool	NOUN
ap-9380	208	13	in	in	ADP
ap-9380	208	14	the	the	DET
ap-9380	208	15	context	context	NOUN
ap-9380	208	16	of	of	ADP
ap-9380	208	17	gear	gear	NOUN
ap-9380	208	18	fault	fault	NOUN
ap-9380	208	19	detection	detection	NOUN
ap-9380	208	20	,	,	PUNCT
ap-9380	208	21	allowing	allow	VERB
ap-9380	208	22	us	we	PRON
ap-9380	208	23	to	to	PART
ap-9380	208	24	isolate	isolate	VERB
ap-9380	208	25	and	and	CCONJ
ap-9380	208	26	identify	identify	VERB
ap-9380	208	27	key	key	ADJ
ap-9380	208	28	spectral	spectral	ADJ
ap-9380	208	29	components	component	NOUN
ap-9380	208	30	associated	associate	VERB
ap-9380	208	31	with	with	ADP
ap-9380	208	32	defects	defect	NOUN
ap-9380	208	33	,	,	PUNCT
ap-9380	208	34	even	even	ADV
ap-9380	208	35	in	in	ADP
ap-9380	208	36	the	the	DET
ap-9380	208	37	presence	presence	NOUN
ap-9380	208	38	of	of	ADP
ap-9380	208	39	background	background	NOUN
ap-9380	208	40	noise	noise	NOUN
ap-9380	208	41	,	,	PUNCT
ap-9380	208	42	thus	thus	ADV
ap-9380	208	43	enhancing	enhance	VERB
ap-9380	208	44	the	the	DET
ap-9380	208	45	reliability	reliability	NOUN
ap-9380	208	46	and	and	CCONJ
ap-9380	208	47	accuracy	accuracy	NOUN
ap-9380	208	48	of	of	ADP
ap-9380	208	49	our	our	PRON
ap-9380	208	50	diagnostic	diagnostic	ADJ
ap-9380	208	51	process	process	NOUN
ap-9380	208	52	.	.	PUNCT
ap-9380	209	1	4.2	4.2	NUM
ap-9380	209	2	.	.	PUNCT
ap-9380	209	3	detection	detection	NOUN
ap-9380	209	4	of	of	ADP
ap-9380	209	5	gearbox	gearbox	NOUN
ap-9380	209	6	faults	fault	NOUN
ap-9380	209	7	at	at	ADP
ap-9380	209	8	different	different	ADJ
ap-9380	209	9	load	load	NOUN
ap-9380	209	10	conditions	condition	NOUN
ap-9380	209	11	this	this	DET
ap-9380	209	12	research	research	NOUN
ap-9380	209	13	involved	involve	VERB
ap-9380	209	14	measurements	measurement	NOUN
ap-9380	209	15	from	from	ADP
ap-9380	209	16	an	an	DET
ap-9380	209	17	accelerometer	accelerometer	NOUN
ap-9380	209	18	mounted	mount	VERB
ap-9380	209	19	on	on	ADP
ap-9380	209	20	the	the	DET
ap-9380	209	21	top	top	NOUN
ap-9380	209	22	of	of	ADP
ap-9380	209	23	the	the	DET
ap-9380	209	24	gearbox	gearbox	NOUN
ap-9380	209	25	.	.	PUNCT
ap-9380	210	1	and	and	CCONJ
ap-9380	210	2	the	the	DET
ap-9380	210	3	position	position	NOUN
ap-9380	210	4	of	of	ADP
ap-9380	210	5	the	the	DET
ap-9380	210	6	accelerometer	accelerometer	NOUN
ap-9380	210	7	is	be	AUX
ap-9380	210	8	shown	show	VERB
ap-9380	210	9	in	in	ADP
ap-9380	210	10	figure	figure	NOUN
ap-9380	210	11	8	8	NUM
ap-9380	210	12	under	under	ADP
ap-9380	210	13	three	three	NUM
ap-9380	210	14	different	different	ADJ
ap-9380	210	15	load	load	NOUN
ap-9380	210	16	conditions	condition	NOUN
ap-9380	210	17	of	of	ADP
ap-9380	210	18	25	25	NUM
ap-9380	210	19	,	,	PUNCT
ap-9380	210	20	50	50	NUM
ap-9380	210	21	,	,	PUNCT
ap-9380	210	22	and	and	CCONJ
ap-9380	210	23	60	60	NUM
ap-9380	210	24	nm	nm	NOUN
ap-9380	210	25	,	,	PUNCT
ap-9380	210	26	and	and	CCONJ
ap-9380	210	27	with	with	ADP
ap-9380	210	28	a	a	DET
ap-9380	210	29	rotating	rotate	VERB
ap-9380	210	30	frequency	frequency	NOUN
ap-9380	210	31	of	of	ADP
ap-9380	210	32	3	3	NUM
ap-9380	210	33	hz	hz	NOUN
ap-9380	210	34	.	.	PUNCT
ap-9380	211	1	therefore	therefore	ADV
ap-9380	211	2	,	,	PUNCT
ap-9380	211	3	three	three	NUM
ap-9380	211	4	sets	set	NOUN
ap-9380	211	5	of	of	ADP
ap-9380	211	6	measurements	measurement	NOUN
ap-9380	211	7	have	have	AUX
ap-9380	211	8	been	be	AUX
ap-9380	211	9	taken	take	VERB
ap-9380	211	10	to	to	PART
ap-9380	211	11	investigate	investigate	VERB
ap-9380	211	12	the	the	DET
ap-9380	211	13	impact	impact	NOUN
ap-9380	211	14	of	of	ADP
ap-9380	211	15	load	load	NOUN
ap-9380	211	16	on	on	ADP
ap-9380	211	17	gear	gear	NOUN
ap-9380	211	18	fault	fault	NOUN
ap-9380	211	19	signals	signal	NOUN
ap-9380	211	20	.	.	PUNCT
ap-9380	212	1	the	the	DET
ap-9380	212	2	vibration	vibration	NOUN
ap-9380	212	3	signals	signal	NOUN
ap-9380	212	4	were	be	AUX
ap-9380	212	5	recorded	record	VERB
ap-9380	212	6	for	for	ADP
ap-9380	212	7	a	a	DET
ap-9380	212	8	total	total	NOUN
ap-9380	212	9	of	of	ADP
ap-9380	212	10	585	585	NUM
ap-9380	212	11	936	936	NUM
ap-9380	212	12	samples	sample	NOUN
ap-9380	212	13	at	at	ADP
ap-9380	212	14	a	a	DET
ap-9380	212	15	sampling	sample	VERB
ap-9380	212	16	frequency	frequency	NOUN
ap-9380	212	17	of	of	ADP
ap-9380	212	18	24	24	NUM
ap-9380	212	19	khz	khz	NOUN
ap-9380	212	20	.	.	PUNCT
ap-9380	213	1	figures	figure	NOUN
ap-9380	213	2	16	16	NUM
ap-9380	213	3	and	and	CCONJ
ap-9380	213	4	17	17	NUM
ap-9380	213	5	show	show	NOUN
ap-9380	213	6	,	,	PUNCT
ap-9380	213	7	the	the	DET
ap-9380	213	8	variation	variation	NOUN
ap-9380	213	9	of	of	ADP
ap-9380	213	10	the	the	DET
ap-9380	213	11	signal	signal	NOUN
ap-9380	213	12	173	173	NUM
ap-9380	213	13	l.	l.	NOUN
ap-9380	213	14	bouhafs	bouhafs	NOUN
ap-9380	213	15	,	,	PUNCT
ap-9380	213	16	s.	s.	PROPN
ap-9380	213	17	tamalouzt	tamalouzt	PROPN
ap-9380	213	18	,	,	PUNCT
ap-9380	213	19	a.	a.	PROPN
ap-9380	213	20	bouzida	bouzida	PROPN
ap-9380	213	21	acta	acta	PROPN
ap-9380	213	22	polytechnica	polytechnica	PROPN
ap-9380	213	23	figure	figure	NOUN
ap-9380	213	24	17	17	NUM
ap-9380	213	25	.	.	PUNCT
ap-9380	214	1	evolution	evolution	NOUN
ap-9380	214	2	of	of	ADP
ap-9380	214	3	the	the	DET
ap-9380	214	4	edo	edo	PROPN
ap-9380	214	5	magnitudes	magnitude	NOUN
ap-9380	214	6	of	of	ADP
ap-9380	214	7	the	the	DET
ap-9380	214	8	signals	signal	NOUN
ap-9380	214	9	for	for	ADP
ap-9380	214	10	three	three	NUM
ap-9380	214	11	load	load	NOUN
ap-9380	214	12	levels	level	NOUN
ap-9380	214	13	.	.	PUNCT
ap-9380	215	1	spectrum	spectrum	NOUN
ap-9380	215	2	measured	measure	VERB
ap-9380	215	3	with	with	ADP
ap-9380	215	4	the	the	DET
ap-9380	215	5	values	value	NOUN
ap-9380	215	6	of	of	ADP
ap-9380	215	7	the	the	DET
ap-9380	215	8	loads	load	NOUN
ap-9380	215	9	using	use	VERB
ap-9380	215	10	spectral	spectral	ADJ
ap-9380	215	11	analysis	analysis	NOUN
ap-9380	215	12	and	and	CCONJ
ap-9380	215	13	the	the	DET
ap-9380	215	14	spectrum	spectrum	NOUN
ap-9380	215	15	of	of	ADP
ap-9380	215	16	the	the	DET
ap-9380	215	17	same	same	ADJ
ap-9380	215	18	signal	signal	NOUN
ap-9380	215	19	demodulated	demodulate	VERB
ap-9380	215	20	by	by	ADP
ap-9380	215	21	the	the	DET
ap-9380	215	22	edo	edo	PROPN
ap-9380	215	23	method	method	NOUN
ap-9380	215	24	,	,	PUNCT
ap-9380	215	25	respectively	respectively	ADV
ap-9380	215	26	.	.	PUNCT
ap-9380	216	1	it	it	PRON
ap-9380	216	2	is	be	AUX
ap-9380	216	3	evident	evident	ADJ
ap-9380	216	4	that	that	SCONJ
ap-9380	216	5	the	the	DET
ap-9380	216	6	proposed	propose	VERB
ap-9380	216	7	approach	approach	NOUN
ap-9380	216	8	reveals	reveal	VERB
ap-9380	216	9	an	an	DET
ap-9380	216	10	increase	increase	NOUN
ap-9380	216	11	in	in	ADP
ap-9380	216	12	the	the	DET
ap-9380	216	13	amplitudes	amplitude	NOUN
ap-9380	216	14	corresponding	correspond	VERB
ap-9380	216	15	to	to	ADP
ap-9380	216	16	the	the	DET
ap-9380	216	17	demodulation	demodulation	NOUN
ap-9380	216	18	frequencies	frequency	NOUN
ap-9380	216	19	created	create	VERB
ap-9380	216	20	by	by	ADP
ap-9380	216	21	the	the	DET
ap-9380	216	22	gear	gear	NOUN
ap-9380	216	23	defect	defect	NOUN
ap-9380	216	24	,	,	PUNCT
ap-9380	216	25	following	follow	VERB
ap-9380	216	26	the	the	DET
ap-9380	216	27	increase	increase	NOUN
ap-9380	216	28	in	in	ADP
ap-9380	216	29	the	the	DET
ap-9380	216	30	values	value	NOUN
ap-9380	216	31	of	of	ADP
ap-9380	216	32	applied	apply	VERB
ap-9380	216	33	loads	load	NOUN
ap-9380	216	34	.	.	PUNCT
ap-9380	217	1	the	the	DET
ap-9380	217	2	characteristic	characteristic	ADJ
ap-9380	217	3	frequency	frequency	NOUN
ap-9380	217	4	of	of	ADP
ap-9380	217	5	the	the	DET
ap-9380	217	6	fault	fault	NOUN
ap-9380	217	7	seems	seem	VERB
ap-9380	217	8	to	to	PART
ap-9380	217	9	be	be	AUX
ap-9380	217	10	more	more	ADV
ap-9380	217	11	sensitive	sensitive	ADJ
ap-9380	217	12	to	to	PART
ap-9380	217	13	load	load	VERB
ap-9380	217	14	variation	variation	NOUN
ap-9380	217	15	.	.	PUNCT
ap-9380	218	1	the	the	DET
ap-9380	218	2	impact	impact	NOUN
ap-9380	218	3	of	of	ADP
ap-9380	218	4	the	the	DET
ap-9380	218	5	defective	defective	ADJ
ap-9380	218	6	tooth	tooth	NOUN
ap-9380	218	7	on	on	ADP
ap-9380	218	8	the	the	DET
ap-9380	218	9	teeth	tooth	NOUN
ap-9380	218	10	of	of	ADP
ap-9380	218	11	the	the	DET
ap-9380	218	12	other	other	ADJ
ap-9380	218	13	wheel	wheel	NOUN
ap-9380	218	14	increases	increase	NOUN
ap-9380	218	15	in	in	ADP
ap-9380	218	16	amplitude	amplitude	NOUN
ap-9380	218	17	,	,	PUNCT
ap-9380	218	18	so	so	CCONJ
ap-9380	218	19	the	the	DET
ap-9380	218	20	frequency	frequency	NOUN
ap-9380	218	21	content	content	NOUN
ap-9380	218	22	of	of	ADP
ap-9380	218	23	the	the	DET
ap-9380	218	24	signal	signal	NOUN
ap-9380	218	25	is	be	AUX
ap-9380	218	26	influenced	influence	VERB
ap-9380	218	27	by	by	ADP
ap-9380	218	28	the	the	DET
ap-9380	218	29	appearance	appearance	NOUN
ap-9380	218	30	of	of	ADP
ap-9380	218	31	several	several	ADJ
ap-9380	218	32	characteristic	characteristic	ADJ
ap-9380	218	33	frequencies	frequency	NOUN
ap-9380	218	34	of	of	ADP
ap-9380	218	35	the	the	DET
ap-9380	218	36	defect	defect	NOUN
ap-9380	218	37	.	.	PUNCT
ap-9380	219	1	5	5	X
ap-9380	219	2	.	.	X
ap-9380	219	3	conclusion	conclusion	NOUN
ap-9380	219	4	this	this	DET
ap-9380	219	5	paper	paper	NOUN
ap-9380	219	6	presents	present	VERB
ap-9380	219	7	a	a	DET
ap-9380	219	8	new	new	ADJ
ap-9380	219	9	approach	approach	NOUN
ap-9380	219	10	for	for	ADP
ap-9380	219	11	identifying	identify	VERB
ap-9380	219	12	gearbox	gearbox	NOUN
ap-9380	219	13	defects	defect	NOUN
ap-9380	219	14	by	by	ADP
ap-9380	219	15	extracting	extract	VERB
ap-9380	219	16	useful	useful	ADJ
ap-9380	219	17	features	feature	NOUN
ap-9380	219	18	from	from	ADP
ap-9380	219	19	vibration	vibration	NOUN
ap-9380	219	20	signals	signal	NOUN
ap-9380	219	21	,	,	PUNCT
ap-9380	219	22	which	which	PRON
ap-9380	219	23	can	can	AUX
ap-9380	219	24	contain	contain	VERB
ap-9380	219	25	background	background	NOUN
ap-9380	219	26	noise	noise	NOUN
ap-9380	219	27	and	and	CCONJ
ap-9380	219	28	other	other	ADJ
ap-9380	219	29	interferences	interference	NOUN
ap-9380	219	30	.	.	PUNCT
ap-9380	220	1	the	the	DET
ap-9380	220	2	aim	aim	NOUN
ap-9380	220	3	of	of	ADP
ap-9380	220	4	this	this	DET
ap-9380	220	5	technique	technique	NOUN
ap-9380	220	6	is	be	AUX
ap-9380	220	7	to	to	PART
ap-9380	220	8	improve	improve	VERB
ap-9380	220	9	the	the	DET
ap-9380	220	10	early	early	ADJ
ap-9380	220	11	detection	detection	NOUN
ap-9380	220	12	of	of	ADP
ap-9380	220	13	gearbox	gearbox	NOUN
ap-9380	220	14	defects	defect	NOUN
ap-9380	220	15	in	in	ADP
ap-9380	220	16	practical	practical	ADJ
ap-9380	220	17	applications	application	NOUN
ap-9380	220	18	.	.	PUNCT
ap-9380	221	1	spectral	spectral	ADJ
ap-9380	221	2	and	and	CCONJ
ap-9380	221	3	envelope	envelope	NOUN
ap-9380	221	4	analyses	analysis	NOUN
ap-9380	221	5	have	have	AUX
ap-9380	221	6	been	be	AUX
ap-9380	221	7	investigated	investigate	VERB
ap-9380	221	8	using	use	VERB
ap-9380	221	9	both	both	CCONJ
ap-9380	221	10	simulated	simulated	ADJ
ap-9380	221	11	and	and	CCONJ
ap-9380	221	12	experimental	experimental	ADJ
ap-9380	221	13	signals	signal	NOUN
ap-9380	221	14	.	.	PUNCT
ap-9380	222	1	the	the	DET
ap-9380	222	2	hilbert	hilbert	PROPN
ap-9380	222	3	transform	transform	NOUN
ap-9380	222	4	and	and	CCONJ
ap-9380	222	5	energy	energy	NOUN
ap-9380	222	6	operator	operator	NOUN
ap-9380	222	7	method	method	NOUN
ap-9380	222	8	were	be	AUX
ap-9380	222	9	compared	compare	VERB
ap-9380	222	10	.	.	PUNCT
ap-9380	223	1	the	the	DET
ap-9380	223	2	latter	latter	ADJ
ap-9380	223	3	has	have	AUX
ap-9380	223	4	proven	prove	VERB
ap-9380	223	5	to	to	PART
ap-9380	223	6	be	be	AUX
ap-9380	223	7	effective	effective	ADJ
ap-9380	223	8	in	in	ADP
ap-9380	223	9	detecting	detect	VERB
ap-9380	223	10	gearbox	gearbox	NOUN
ap-9380	223	11	defects	defect	NOUN
ap-9380	223	12	,	,	PUNCT
ap-9380	223	13	as	as	SCONJ
ap-9380	223	14	it	it	PRON
ap-9380	223	15	is	be	AUX
ap-9380	223	16	sensitive	sensitive	ADJ
ap-9380	223	17	to	to	AUX
ap-9380	223	18	noise	noise	NOUN
ap-9380	223	19	and	and	CCONJ
ap-9380	223	20	small	small	ADJ
ap-9380	223	21	defects	defect	NOUN
ap-9380	223	22	,	,	PUNCT
ap-9380	223	23	which	which	PRON
ap-9380	223	24	is	be	AUX
ap-9380	223	25	crucial	crucial	ADJ
ap-9380	223	26	in	in	ADP
ap-9380	223	27	preventing	prevent	VERB
ap-9380	223	28	the	the	DET
ap-9380	223	29	spread	spread	NOUN
ap-9380	223	30	of	of	ADP
ap-9380	223	31	damage	damage	NOUN
ap-9380	223	32	spread	spread	VERB
ap-9380	223	33	in	in	ADP
ap-9380	223	34	the	the	DET
ap-9380	223	35	gearbox	gearbox	NOUN
ap-9380	223	36	.	.	PUNCT
ap-9380	224	1	in	in	ADP
ap-9380	224	2	addition	addition	NOUN
ap-9380	224	3	,	,	PUNCT
ap-9380	224	4	the	the	DET
ap-9380	224	5	envelope	envelope	NOUN
ap-9380	224	6	derivative	derivative	NOUN
ap-9380	224	7	operator	operator	NOUN
ap-9380	224	8	(	(	PUNCT
ap-9380	224	9	edo	edo	PROPN
ap-9380	224	10	)	)	PUNCT
ap-9380	224	11	is	be	AUX
ap-9380	224	12	computationally	computationally	ADV
ap-9380	224	13	efficient	efficient	ADJ
ap-9380	224	14	,	,	PUNCT
ap-9380	224	15	as	as	SCONJ
ap-9380	224	16	it	it	PRON
ap-9380	224	17	does	do	AUX
ap-9380	224	18	not	not	PART
ap-9380	224	19	require	require	VERB
ap-9380	224	20	pre	pre	ADJ
ap-9380	224	21	-	-	ADJ
ap-9380	224	22	filtering	filter	VERB
ap-9380	224	23	and	and	CCONJ
ap-9380	224	24	can	can	AUX
ap-9380	224	25	be	be	AUX
ap-9380	224	26	implemented	implement	VERB
ap-9380	224	27	in	in	ADP
ap-9380	224	28	real	real	ADJ
ap-9380	224	29	time	time	NOUN
ap-9380	224	30	.	.	PUNCT
ap-9380	225	1	this	this	PRON
ap-9380	225	2	makes	make	VERB
ap-9380	225	3	it	it	PRON
ap-9380	225	4	suitable	suitable	ADJ
ap-9380	225	5	for	for	ADP
ap-9380	225	6	use	use	NOUN
ap-9380	225	7	in	in	ADP
ap-9380	225	8	online	online	ADJ
ap-9380	225	9	monitoring	monitoring	NOUN
ap-9380	225	10	systems	system	NOUN
ap-9380	225	11	.	.	PUNCT
ap-9380	226	1	overall	overall	ADV
ap-9380	226	2	,	,	PUNCT
ap-9380	226	3	the	the	DET
ap-9380	226	4	edo	edo	PROPN
ap-9380	226	5	demonstrated	demonstrate	VERB
ap-9380	226	6	superior	superior	ADJ
ap-9380	226	7	performance	performance	NOUN
ap-9380	226	8	and	and	CCONJ
ap-9380	226	9	efficiency	efficiency	NOUN
ap-9380	226	10	in	in	ADP
ap-9380	226	11	detecting	detect	VERB
ap-9380	226	12	defects	defect	NOUN
ap-9380	226	13	over	over	ADP
ap-9380	226	14	classical	classical	ADJ
ap-9380	226	15	techniques	technique	NOUN
ap-9380	226	16	,	,	PUNCT
ap-9380	226	17	making	make	VERB
ap-9380	226	18	it	it	PRON
ap-9380	226	19	a	a	DET
ap-9380	226	20	valuable	valuable	ADJ
ap-9380	226	21	tool	tool	NOUN
ap-9380	226	22	for	for	ADP
ap-9380	226	23	ensuring	ensure	VERB
ap-9380	226	24	reliable	reliable	ADJ
ap-9380	226	25	operation	operation	NOUN
ap-9380	226	26	and	and	CCONJ
ap-9380	226	27	preventing	prevent	VERB
ap-9380	226	28	costly	costly	ADJ
ap-9380	226	29	failures	failure	NOUN
ap-9380	226	30	.	.	PUNCT
ap-9380	227	1	references	reference	NOUN
ap-9380	227	2	[	[	X
ap-9380	227	3	1	1	NUM
ap-9380	227	4	]	]	X
ap-9380	227	5	y.	y.	PROPN
ap-9380	227	6	wu	wu	PROPN
ap-9380	227	7	,	,	PUNCT
ap-9380	227	8	x.	x.	PROPN
ap-9380	227	9	ma	ma	PROPN
ap-9380	227	10	.	.	PROPN
ap-9380	228	1	a	a	DET
ap-9380	228	2	hybrid	hybrid	ADJ
ap-9380	228	3	lstm	lstm	ADJ
ap-9380	228	4	-	-	PUNCT
ap-9380	228	5	kld	kld	PROPN
ap-9380	228	6	approach	approach	NOUN
ap-9380	228	7	to	to	ADP
ap-9380	228	8	condition	condition	NOUN
ap-9380	228	9	monitoring	monitoring	NOUN
ap-9380	228	10	of	of	ADP
ap-9380	228	11	operational	operational	ADJ
ap-9380	228	12	wind	wind	NOUN
ap-9380	228	13	turbines	turbine	NOUN
ap-9380	228	14	.	.	PUNCT
ap-9380	229	1	renewable	renewable	ADJ
ap-9380	229	2	energy	energy	NOUN
ap-9380	229	3	181:554–566	181:554–566	NUM
ap-9380	229	4	,	,	PUNCT
ap-9380	229	5	2022	2022	NUM
ap-9380	229	6	.	.	PUNCT
ap-9380	230	1	https://doi.org/10.1016/j.renene.2021.09.067	https://doi.org/10.1016/j.renene.2021.09.067	AUX
ap-9380	231	1	[	[	X
ap-9380	231	2	2	2	X
ap-9380	231	3	]	]	PUNCT
ap-9380	231	4	t.	t.	PROPN
ap-9380	231	5	mian	mian	PROPN
ap-9380	231	6	,	,	PUNCT
ap-9380	231	7	a.	a.	PROPN
ap-9380	231	8	choudhary	choudhary	PROPN
ap-9380	231	9	,	,	PUNCT
ap-9380	231	10	s.	s.	PROPN
ap-9380	231	11	fatima	fatima	PROPN
ap-9380	231	12	.	.	PUNCT
ap-9380	232	1	a	a	DET
ap-9380	232	2	sensor	sensor	NOUN
ap-9380	232	3	fusion	fusion	NOUN
ap-9380	232	4	based	base	VERB
ap-9380	232	5	approach	approach	NOUN
ap-9380	232	6	for	for	ADP
ap-9380	232	7	bearing	bear	VERB
ap-9380	232	8	fault	fault	NOUN
ap-9380	232	9	diagnosis	diagnosis	NOUN
ap-9380	232	10	of	of	ADP
ap-9380	232	11	rotating	rotate	VERB
ap-9380	232	12	machine	machine	NOUN
ap-9380	232	13	.	.	PUNCT
ap-9380	233	1	proceedings	proceeding	NOUN
ap-9380	233	2	of	of	ADP
ap-9380	233	3	the	the	DET
ap-9380	233	4	institution	institution	NOUN
ap-9380	233	5	of	of	ADP
ap-9380	233	6	mechanical	mechanical	ADJ
ap-9380	233	7	engineers	engineer	NOUN
ap-9380	233	8	,	,	PUNCT
ap-9380	233	9	part	part	NOUN
ap-9380	233	10	o	o	NOUN
ap-9380	233	11	:	:	PUNCT
ap-9380	233	12	journal	journal	NOUN
ap-9380	233	13	of	of	ADP
ap-9380	233	14	risk	risk	NOUN
ap-9380	233	15	and	and	CCONJ
ap-9380	233	16	reliability	reliability	NOUN
ap-9380	233	17	236(5):661–675	236(5):661–675	NUM
ap-9380	233	18	,	,	PUNCT
ap-9380	233	19	2021	2021	NUM
ap-9380	233	20	.	.	PUNCT
ap-9380	234	1	https://doi.org/10.1177/1748006x211044843	https://doi.org/10.1177/1748006x211044843	X
ap-9380	235	1	[	[	X
ap-9380	235	2	3	3	X
ap-9380	235	3	]	]	X
ap-9380	235	4	j.-l	j.-l	PROPN
ap-9380	235	5	.	.	PUNCT
ap-9380	236	1	ligier	ligier	PROPN
ap-9380	236	2	.	.	PUNCT
ap-9380	237	1	actual	actual	ADJ
ap-9380	237	2	and	and	CCONJ
ap-9380	237	3	modeled	model	VERB
ap-9380	237	4	behavior	behavior	NOUN
ap-9380	237	5	of	of	ADP
ap-9380	237	6	hydrodynamic	hydrodynamic	ADJ
ap-9380	237	7	bearings	bearing	NOUN
ap-9380	237	8	in	in	ADP
ap-9380	237	9	thermal	thermal	ADJ
ap-9380	237	10	engine	engine	NOUN
ap-9380	237	11	.	.	PUNCT
ap-9380	238	1	mécanique	mécanique	PROPN
ap-9380	238	2	&	&	CCONJ
ap-9380	238	3	industries	industry	NOUN
ap-9380	238	4	10(2):75–89	10(2):75–89	NUM
ap-9380	238	5	,	,	PUNCT
ap-9380	238	6	2009	2009	NUM
ap-9380	238	7	.	.	PUNCT
ap-9380	239	1	https://doi.org/10.1051/meca/2009036	https://doi.org/10.1051/meca/2009036	NOUN
ap-9380	240	1	[	[	X
ap-9380	240	2	4	4	NUM
ap-9380	240	3	]	]	X
ap-9380	240	4	i.	i.	PROPN
ap-9380	240	5	soltani	soltani	PROPN
ap-9380	240	6	bozchalooi	bozchalooi	PROPN
ap-9380	240	7	,	,	PUNCT
ap-9380	240	8	m.	m.	PROPN
ap-9380	240	9	liang	liang	PROPN
ap-9380	240	10	.	.	PUNCT
ap-9380	241	1	teager	teager	NOUN
ap-9380	241	2	energy	energy	NOUN
ap-9380	241	3	operator	operator	NOUN
ap-9380	241	4	for	for	ADP
ap-9380	241	5	multi	multi	ADJ
ap-9380	241	6	-	-	ADJ
ap-9380	241	7	modulation	modulation	NOUN
ap-9380	241	8	extraction	extraction	NOUN
ap-9380	241	9	and	and	CCONJ
ap-9380	241	10	its	its	PRON
ap-9380	241	11	application	application	NOUN
ap-9380	241	12	for	for	ADP
ap-9380	241	13	gearbox	gearbox	NOUN
ap-9380	241	14	fault	fault	NOUN
ap-9380	241	15	detection	detection	NOUN
ap-9380	241	16	.	.	PUNCT
ap-9380	242	1	smart	smart	ADJ
ap-9380	242	2	materials	material	NOUN
ap-9380	242	3	and	and	CCONJ
ap-9380	242	4	structures	structure	NOUN
ap-9380	242	5	19(7):075008	19(7):075008	NUM
ap-9380	242	6	,	,	PUNCT
ap-9380	242	7	2010	2010	NUM
ap-9380	242	8	.	.	PUNCT
ap-9380	243	1	https://doi.org/10.1088/0964-1726/19/7/075008	https://doi.org/10.1088/0964-1726/19/7/075008	PROPN
ap-9380	243	2	[	[	X
ap-9380	243	3	5	5	NUM
ap-9380	243	4	]	]	PUNCT
ap-9380	243	5	m.	m.	PROPN
ap-9380	243	6	r.	r.	PROPN
ap-9380	243	7	shahriar	shahriar	PROPN
ap-9380	243	8	,	,	PUNCT
ap-9380	243	9	p.	p.	PROPN
ap-9380	243	10	borghesani	borghesani	PROPN
ap-9380	243	11	,	,	PUNCT
ap-9380	243	12	r.	r.	PROPN
ap-9380	243	13	b.	b.	PROPN
ap-9380	243	14	randall	randall	PROPN
ap-9380	243	15	,	,	PUNCT
ap-9380	243	16	a.	a.	PROPN
ap-9380	243	17	c.	c.	PROPN
ap-9380	243	18	c.	c.	PROPN
ap-9380	243	19	tan	tan	PROPN
ap-9380	243	20	.	.	PUNCT
ap-9380	244	1	an	an	DET
ap-9380	244	2	assessment	assessment	NOUN
ap-9380	244	3	of	of	ADP
ap-9380	244	4	envelope	envelope	NOUN
ap-9380	244	5	-	-	PUNCT
ap-9380	244	6	based	base	VERB
ap-9380	244	7	demodulation	demodulation	NOUN
ap-9380	244	8	in	in	ADP
ap-9380	244	9	case	case	NOUN
ap-9380	244	10	of	of	ADP
ap-9380	244	11	proximity	proximity	NOUN
ap-9380	244	12	of	of	ADP
ap-9380	244	13	carrier	carrier	NOUN
ap-9380	244	14	and	and	CCONJ
ap-9380	244	15	modulation	modulation	NOUN
ap-9380	244	16	frequencies	frequency	NOUN
ap-9380	244	17	.	.	PUNCT
ap-9380	245	1	mechanical	mechanical	ADJ
ap-9380	245	2	systems	system	NOUN
ap-9380	245	3	and	and	CCONJ
ap-9380	245	4	signal	signal	NOUN
ap-9380	245	5	processing	processing	NOUN
ap-9380	245	6	96:176–200	96:176–200	PROPN
ap-9380	245	7	,	,	PUNCT
ap-9380	245	8	2017	2017	NUM
ap-9380	245	9	.	.	PUNCT
ap-9380	246	1	https://doi.org/10.1016/j.ymssp.2017.04.020	https://doi.org/10.1016/j.ymssp.2017.04.020	PROPN
ap-9380	246	2	[	[	X
ap-9380	246	3	6	6	NUM
ap-9380	246	4	]	]	PUNCT
ap-9380	246	5	z.	z.	PROPN
ap-9380	246	6	feng	feng	PROPN
ap-9380	246	7	,	,	PUNCT
ap-9380	246	8	h.	h.	PROPN
ap-9380	246	9	ma	ma	PROPN
ap-9380	246	10	,	,	PUNCT
ap-9380	246	11	m.	m.	NOUN
ap-9380	246	12	j.	j.	PROPN
ap-9380	246	13	zuo	zuo	PROPN
ap-9380	246	14	.	.	PROPN
ap-9380	246	15	amplitude	amplitude	NOUN
ap-9380	246	16	and	and	CCONJ
ap-9380	246	17	frequency	frequency	NOUN
ap-9380	246	18	demodulation	demodulation	NOUN
ap-9380	246	19	analysis	analysis	NOUN
ap-9380	246	20	for	for	ADP
ap-9380	246	21	fault	fault	NOUN
ap-9380	246	22	diagnosis	diagnosis	NOUN
ap-9380	246	23	of	of	ADP
ap-9380	246	24	planet	planet	NOUN
ap-9380	246	25	bearings	bearing	NOUN
ap-9380	246	26	.	.	PUNCT
ap-9380	247	1	journal	journal	PROPN
ap-9380	247	2	of	of	ADP
ap-9380	247	3	sound	sound	NOUN
ap-9380	247	4	and	and	CCONJ
ap-9380	247	5	vibration	vibration	NOUN
ap-9380	247	6	382:395–412	382:395–412	NUM
ap-9380	247	7	,	,	PUNCT
ap-9380	247	8	2016	2016	NUM
ap-9380	247	9	.	.	PUNCT
ap-9380	248	1	https://doi.org/10.1016/j.jsv.2016.07.013	https://doi.org/10.1016/j.jsv.2016.07.013	PROPN
ap-9380	249	1	[	[	X
ap-9380	249	2	7	7	X
ap-9380	249	3	]	]	PUNCT
ap-9380	249	4	s.	s.	PROPN
ap-9380	249	5	zhang	zhang	PROPN
ap-9380	249	6	,	,	PUNCT
ap-9380	249	7	j.	j.	PROPN
ap-9380	249	8	tang	tang	PROPN
ap-9380	249	9	.	.	PUNCT
ap-9380	250	1	integrating	integrate	VERB
ap-9380	250	2	angle	angle	NOUN
ap-9380	250	3	-	-	PUNCT
ap-9380	250	4	frequency	frequency	NOUN
ap-9380	250	5	domain	domain	NOUN
ap-9380	250	6	synchronous	synchronous	ADJ
ap-9380	250	7	averaging	averaging	NOUN
ap-9380	250	8	technique	technique	NOUN
ap-9380	250	9	with	with	ADP
ap-9380	250	10	feature	feature	NOUN
ap-9380	250	11	extraction	extraction	NOUN
ap-9380	250	12	for	for	ADP
ap-9380	250	13	gear	gear	NOUN
ap-9380	250	14	fault	fault	NOUN
ap-9380	250	15	diagnosis	diagnosis	NOUN
ap-9380	250	16	.	.	PUNCT
ap-9380	251	1	mechanical	mechanical	ADJ
ap-9380	251	2	systems	system	NOUN
ap-9380	251	3	and	and	CCONJ
ap-9380	251	4	signal	signal	NOUN
ap-9380	251	5	processing	processing	NOUN
ap-9380	251	6	99:711–729	99:711–729	NUM
ap-9380	251	7	,	,	PUNCT
ap-9380	251	8	2018	2018	NUM
ap-9380	251	9	.	.	PUNCT
ap-9380	252	1	https://doi.org/10.1016/j.ymssp.2017.07.001	https://doi.org/10.1016/j.ymssp.2017.07.001	VERB
ap-9380	252	2	[	[	X
ap-9380	252	3	8	8	NUM
ap-9380	252	4	]	]	PUNCT
ap-9380	252	5	i.	i.	NOUN
ap-9380	252	6	moumene	moumene	PROPN
ap-9380	252	7	,	,	PUNCT
ap-9380	252	8	n.	n.	PROPN
ap-9380	252	9	ouelaa	ouelaa	PROPN
ap-9380	252	10	.	.	PUNCT
ap-9380	253	1	application	application	NOUN
ap-9380	253	2	of	of	ADP
ap-9380	253	3	the	the	DET
ap-9380	253	4	wavelets	wavelet	NOUN
ap-9380	253	5	multiresolution	multiresolution	NOUN
ap-9380	253	6	analysis	analysis	NOUN
ap-9380	253	7	and	and	CCONJ
ap-9380	253	8	the	the	DET
ap-9380	253	9	high	high	ADJ
ap-9380	253	10	-	-	PUNCT
ap-9380	253	11	frequency	frequency	NOUN
ap-9380	253	12	resonance	resonance	NOUN
ap-9380	253	13	technique	technique	NOUN
ap-9380	253	14	for	for	ADP
ap-9380	253	15	gears	gear	NOUN
ap-9380	253	16	and	and	CCONJ
ap-9380	253	17	bearings	bearing	NOUN
ap-9380	253	18	faults	fault	NOUN
ap-9380	253	19	diagnosis	diagnosis	NOUN
ap-9380	253	20	.	.	PUNCT
ap-9380	254	1	the	the	DET
ap-9380	254	2	international	international	ADJ
ap-9380	254	3	journal	journal	NOUN
ap-9380	254	4	of	of	ADP
ap-9380	254	5	advanced	advanced	ADJ
ap-9380	254	6	manufacturing	manufacturing	NOUN
ap-9380	254	7	technology	technology	NOUN
ap-9380	254	8	83(5):1315–1339	83(5):1315–1339	NUM
ap-9380	254	9	,	,	PUNCT
ap-9380	254	10	2016	2016	NUM
ap-9380	254	11	.	.	PUNCT
ap-9380	255	1	https://doi.org/10.1007/s00170-015-7436-0	https://doi.org/10.1007/s00170-015-7436-0	NUM
ap-9380	256	1	[	[	X
ap-9380	256	2	9	9	NUM
ap-9380	256	3	]	]	PUNCT
ap-9380	256	4	h.	h.	PROPN
ap-9380	256	5	al	al	PROPN
ap-9380	256	6	-	-	PUNCT
ap-9380	256	7	sheikh	sheikh	PROPN
ap-9380	256	8	,	,	PUNCT
ap-9380	256	9	n.	n.	PROPN
ap-9380	256	10	moubayed	moubaye	VERB
ap-9380	256	11	.	.	PUNCT
ap-9380	257	1	fault	fault	VERB
ap-9380	257	2	detection	detection	NOUN
ap-9380	257	3	and	and	CCONJ
ap-9380	257	4	diagnosis	diagnosis	NOUN
ap-9380	257	5	of	of	ADP
ap-9380	257	6	renewable	renewable	ADJ
ap-9380	257	7	energy	energy	NOUN
ap-9380	257	8	systems	system	NOUN
ap-9380	257	9	:	:	PUNCT
ap-9380	257	10	an	an	DET
ap-9380	257	11	overview	overview	NOUN
ap-9380	257	12	.	.	PUNCT
ap-9380	258	1	in	in	ADP
ap-9380	258	2	2012	2012	NUM
ap-9380	258	3	international	international	ADJ
ap-9380	258	4	conference	conference	NOUN
ap-9380	258	5	on	on	ADP
ap-9380	258	6	renewable	renewable	ADJ
ap-9380	258	7	energies	energy	NOUN
ap-9380	258	8	for	for	ADP
ap-9380	258	9	developing	develop	VERB
ap-9380	258	10	countries	country	NOUN
ap-9380	258	11	(	(	PUNCT
ap-9380	258	12	redec	redec	PROPN
ap-9380	258	13	)	)	PUNCT
ap-9380	258	14	,	,	PUNCT
ap-9380	258	15	p.	p.	NOUN
ap-9380	258	16	1–7	1–7	NUM
ap-9380	258	17	.	.	PUNCT
ap-9380	258	18	ieee	ieee	PROPN
ap-9380	258	19	,	,	PUNCT
ap-9380	258	20	2012	2012	NUM
ap-9380	258	21	.	.	PUNCT
ap-9380	259	1	https://doi.org/10.1109/redec.2012.6416687	https://doi.org/10.1109/redec.2012.6416687	PROPN
ap-9380	259	2	174	174	NUM
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ap-9380	259	4	https://doi.org/10.1177/1748006x211044843	https://doi.org/10.1177/1748006x211044843	ADV
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ap-9380	260	1	https://doi.org/10.1088/0964-1726/19/7/075008	https://doi.org/10.1088/0964-1726/19/7/075008	PROPN
ap-9380	260	2	https://doi.org/10.1016/j.ymssp.2017.04.020	https://doi.org/10.1016/j.ymssp.2017.04.020	PROPN
ap-9380	260	3	https://doi.org/10.1016/j.jsv.2016.07.013	https://doi.org/10.1016/j.jsv.2016.07.013	PROPN
ap-9380	260	4	https://doi.org/10.1016/j.ymssp.2017.07.001	https://doi.org/10.1016/j.ymssp.2017.07.001	PROPN
ap-9380	260	5	https://doi.org/10.1007/s00170-015-7436-0	https://doi.org/10.1007/s00170-015-7436-0	NUM
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ap-9380	260	8	.	.	PUNCT
ap-9380	261	1	65	65	NUM
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ap-9380	261	3	.	.	PUNCT
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ap-9380	262	2	a	a	DET
ap-9380	262	3	novel	novel	ADJ
ap-9380	262	4	approach	approach	NOUN
ap-9380	262	5	to	to	PART
ap-9380	262	6	feature	feature	VERB
ap-9380	262	7	extraction	extraction	NOUN
ap-9380	262	8	from	from	ADP
ap-9380	262	9	gear	gear	NOUN
ap-9380	262	10	condition	condition	NOUN
ap-9380	262	11	.	.	PUNCT
ap-9380	262	12	.	.	PUNCT
ap-9380	262	13	.	.	PUNCT
ap-9380	263	1	[	[	X
ap-9380	263	2	10	10	NUM
ap-9380	263	3	]	]	PUNCT
ap-9380	263	4	m.	m.	NOUN
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ap-9380	263	6	-	-	PUNCT
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ap-9380	263	8	,	,	PUNCT
ap-9380	263	9	m.	m.	NOUN
ap-9380	263	10	pineda	pineda	PROPN
ap-9380	263	11	-	-	PUNCT
ap-9380	263	12	sanchez	sanchez	PROPN
ap-9380	263	13	,	,	PUNCT
ap-9380	263	14	j.	j.	PROPN
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ap-9380	263	16	-	-	PUNCT
ap-9380	263	17	cruz	cruz	PROPN
ap-9380	263	18	,	,	PUNCT
ap-9380	263	19	et	et	PROPN
ap-9380	263	20	al	al	PROPN
ap-9380	263	21	.	.	PUNCT
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ap-9380	263	23	of	of	ADP
ap-9380	263	24	induction	induction	NOUN
ap-9380	263	25	motor	motor	NOUN
ap-9380	263	26	faults	fault	NOUN
ap-9380	263	27	via	via	ADP
ap-9380	263	28	gabor	gabor	NOUN
ap-9380	263	29	analysis	analysis	NOUN
ap-9380	263	30	of	of	ADP
ap-9380	263	31	the	the	DET
ap-9380	263	32	current	current	NOUN
ap-9380	263	33	in	in	ADP
ap-9380	263	34	transient	transient	ADJ
ap-9380	263	35	regime	regime	NOUN
ap-9380	263	36	.	.	PUNCT
ap-9380	264	1	ieee	ieee	NOUN
ap-9380	264	2	transactions	transaction	NOUN
ap-9380	264	3	on	on	ADP
ap-9380	264	4	instrumentation	instrumentation	NOUN
ap-9380	264	5	and	and	CCONJ
ap-9380	264	6	measurement	measurement	NOUN
ap-9380	264	7	61(6):1583–1596	61(6):1583–1596	NUM
ap-9380	264	8	,	,	PUNCT
ap-9380	264	9	2012	2012	NUM
ap-9380	264	10	.	.	PUNCT
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ap-9380	266	2	11	11	NUM
ap-9380	266	3	]	]	PUNCT
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ap-9380	266	5	h.	h.	PROPN
ap-9380	266	6	bouchikhi	bouchikhi	PROPN
ap-9380	266	7	,	,	PUNCT
ap-9380	266	8	v.	v.	ADP
ap-9380	266	9	choqueuse	choqueuse	NOUN
ap-9380	266	10	,	,	PUNCT
ap-9380	266	11	m.	m.	PROPN
ap-9380	266	12	e.	e.	PROPN
ap-9380	266	13	h.	h.	PROPN
ap-9380	266	14	benbouzid	benbouzid	PROPN
ap-9380	266	15	,	,	PUNCT
ap-9380	266	16	et	et	PROPN
ap-9380	266	17	al	al	PROPN
ap-9380	266	18	.	.	PUNCT
ap-9380	267	1	a	a	DET
ap-9380	267	2	comparative	comparative	ADJ
ap-9380	267	3	study	study	NOUN
ap-9380	267	4	of	of	ADP
ap-9380	267	5	time	time	NOUN
ap-9380	267	6	-	-	PUNCT
ap-9380	267	7	frequency	frequency	NOUN
ap-9380	267	8	representations	representation	NOUN
ap-9380	267	9	for	for	ADP
ap-9380	267	10	fault	fault	NOUN
ap-9380	267	11	detection	detection	NOUN
ap-9380	267	12	in	in	ADP
ap-9380	267	13	wind	wind	NOUN
ap-9380	267	14	turbine	turbine	NOUN
ap-9380	267	15	.	.	PUNCT
ap-9380	268	1	in	in	ADP
ap-9380	268	2	iecon	iecon	ADJ
ap-9380	268	3	2011	2011	NUM
ap-9380	268	4	–	–	PUNCT
ap-9380	268	5	37th	37th	ADJ
ap-9380	268	6	annual	annual	ADJ
ap-9380	268	7	conference	conference	NOUN
ap-9380	268	8	of	of	ADP
ap-9380	268	9	the	the	DET
ap-9380	268	10	ieee	ieee	NOUN
ap-9380	268	11	industrial	industrial	PROPN
ap-9380	268	12	electronics	electronic	NOUN
ap-9380	268	13	society	society	NOUN
ap-9380	268	14	,	,	PUNCT
ap-9380	268	15	pp	pp	ADP
ap-9380	268	16	.	.	PUNCT
ap-9380	269	1	3584–3589	3584–3589	NUM
ap-9380	269	2	.	.	PUNCT
ap-9380	270	1	ieee	ieee	PROPN
ap-9380	270	2	,	,	PUNCT
ap-9380	270	3	2011	2011	NUM
ap-9380	270	4	.	.	PUNCT
ap-9380	271	1	https://doi.org/10.1109/iecon.2011.6119891	https://doi.org/10.1109/iecon.2011.6119891	PROPN
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ap-9380	271	3	12	12	NUM
ap-9380	271	4	]	]	PUNCT
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ap-9380	271	7	,	,	PUNCT
ap-9380	271	8	a.	a.	PROPN
ap-9380	271	9	singh	singh	PROPN
ap-9380	271	10	.	.	PUNCT
ap-9380	272	1	gearbox	gearbox	PROPN
ap-9380	272	2	fault	fault	NOUN
ap-9380	272	3	diagnosis	diagnosis	NOUN
ap-9380	272	4	using	use	VERB
ap-9380	272	5	acoustic	acoustic	ADJ
ap-9380	272	6	signals	signal	NOUN
ap-9380	272	7	,	,	PUNCT
ap-9380	272	8	continuous	continuous	ADJ
ap-9380	272	9	wavelet	wavelet	NOUN
ap-9380	272	10	transform	transform	NOUN
ap-9380	272	11	and	and	CCONJ
ap-9380	272	12	adaptive	adaptive	ADJ
ap-9380	272	13	neuro	neuro	NOUN
ap-9380	272	14	-	-	PUNCT
ap-9380	272	15	fuzzy	fuzzy	ADJ
ap-9380	272	16	inference	inference	NOUN
ap-9380	272	17	system	system	NOUN
ap-9380	272	18	.	.	PUNCT
ap-9380	273	1	applied	apply	VERB
ap-9380	273	2	acoustics	acoustic	NOUN
ap-9380	273	3	147:133–140	147:133–140	NUM
ap-9380	273	4	,	,	PUNCT
ap-9380	273	5	2019	2019	NUM
ap-9380	273	6	.	.	PUNCT
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ap-9380	274	2	[	[	X
ap-9380	274	3	13	13	NUM
ap-9380	274	4	]	]	PUNCT
ap-9380	274	5	a.	a.	PROPN
ap-9380	274	6	s.	s.	PROPN
ap-9380	274	7	ahuja	ahuja	PROPN
ap-9380	274	8	,	,	PUNCT
ap-9380	274	9	d.	d.	PROPN
ap-9380	274	10	s.	s.	PROPN
ap-9380	274	11	ramteke	ramteke	PROPN
ap-9380	274	12	,	,	PUNCT
ap-9380	274	13	a.	a.	NOUN
ap-9380	274	14	parey	parey	PROPN
ap-9380	274	15	.	.	PUNCT
ap-9380	275	1	soft	soft	ADJ
ap-9380	275	2	computing	computing	NOUN
ap-9380	275	3	in	in	ADP
ap-9380	275	4	condition	condition	NOUN
ap-9380	275	5	monitoring	monitoring	NOUN
ap-9380	275	6	and	and	CCONJ
ap-9380	275	7	diagnostics	diagnostic	NOUN
ap-9380	275	8	of	of	ADP
ap-9380	275	9	electrical	electrical	ADJ
ap-9380	275	10	and	and	CCONJ
ap-9380	275	11	mechanical	mechanical	ADJ
ap-9380	275	12	systems	system	NOUN
ap-9380	275	13	,	,	PUNCT
ap-9380	275	14	vol	vol	NOUN
ap-9380	275	15	.	.	PROPN
ap-9380	275	16	1096	1096	NUM
ap-9380	275	17	,	,	PUNCT
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ap-9380	275	19	.	.	PUNCT
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ap-9380	276	4	fault	fault	NOUN
ap-9380	276	5	diagnosis	diagnosis	NOUN
ap-9380	276	6	of	of	ADP
ap-9380	276	7	a	a	DET
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ap-9380	277	2	spur	spur	VERB
ap-9380	277	3	gearbox	gearbox	NOUN
ap-9380	277	4	using	use	VERB
ap-9380	277	5	continuous	continuous	ADJ
ap-9380	277	6	wavelet	wavelet	NOUN
ap-9380	277	7	transform	transform	NOUN
ap-9380	277	8	and	and	CCONJ
ap-9380	277	9	adaptive	adaptive	ADJ
ap-9380	277	10	neuro	neuro	NOUN
ap-9380	277	11	-	-	PUNCT
ap-9380	277	12	fuzzy	fuzzy	ADJ
ap-9380	277	13	inference	inference	NOUN
ap-9380	277	14	system	system	NOUN
ap-9380	277	15	,	,	PUNCT
ap-9380	277	16	p.	p.	NOUN
ap-9380	277	17	473–496	473–496	NUM
ap-9380	277	18	.	.	PUNCT
ap-9380	278	1	springer	springer	PROPN
ap-9380	278	2	singapore	singapore	PROPN
ap-9380	278	3	,	,	PUNCT
ap-9380	278	4	2020	2020	NUM
ap-9380	278	5	.	.	PUNCT
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ap-9380	279	1	[	[	X
ap-9380	279	2	14	14	NUM
ap-9380	279	3	]	]	PUNCT
ap-9380	279	4	m.	m.	NOUN
ap-9380	279	5	ye	ye	PROPN
ap-9380	279	6	,	,	PUNCT
ap-9380	279	7	x.	x.	PROPN
ap-9380	279	8	yan	yan	PROPN
ap-9380	279	9	,	,	PUNCT
ap-9380	279	10	n.	n.	PROPN
ap-9380	279	11	chen	chen	PROPN
ap-9380	279	12	,	,	PUNCT
ap-9380	279	13	m.	m.	PROPN
ap-9380	279	14	jia	jia	PROPN
ap-9380	279	15	.	.	PUNCT
ap-9380	280	1	intelligent	intelligent	ADJ
ap-9380	280	2	fault	fault	NOUN
ap-9380	280	3	diagnosis	diagnosis	NOUN
ap-9380	280	4	of	of	ADP
ap-9380	280	5	rolling	rolling	ADJ
ap-9380	280	6	bearing	bearing	NOUN
ap-9380	280	7	using	use	VERB
ap-9380	280	8	variational	variational	ADJ
ap-9380	280	9	mode	mode	NOUN
ap-9380	280	10	extraction	extraction	NOUN
ap-9380	280	11	and	and	CCONJ
ap-9380	280	12	improved	improve	VERB
ap-9380	280	13	one	one	NUM
ap-9380	280	14	-	-	PUNCT
ap-9380	280	15	dimensional	dimensional	ADJ
ap-9380	280	16	convolutional	convolutional	ADJ
ap-9380	280	17	neural	neural	ADJ
ap-9380	280	18	network	network	NOUN
ap-9380	280	19	.	.	PUNCT
ap-9380	281	1	applied	apply	VERB
ap-9380	281	2	acoustics	acoustic	NOUN
ap-9380	281	3	202:109143	202:109143	PROPN
ap-9380	281	4	,	,	PUNCT
ap-9380	281	5	2023	2023	NUM
ap-9380	281	6	.	.	PUNCT
ap-9380	282	1	https://doi.org/10.1016/j.apacoust.2022.109143	https://doi.org/10.1016/j.apacoust.2022.109143	NOUN
ap-9380	282	2	[	[	X
ap-9380	282	3	15	15	NUM
ap-9380	282	4	]	]	X
ap-9380	282	5	y.	y.	PROPN
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ap-9380	282	7	,	,	PUNCT
ap-9380	282	8	x.	x.	PROPN
ap-9380	282	9	li	li	PROPN
ap-9380	282	10	.	.	PROPN
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ap-9380	282	13	cross	cross	NOUN
ap-9380	282	14	-	-	NOUN
ap-9380	282	15	terms	term	NOUN
ap-9380	282	16	in	in	ADP
ap-9380	282	17	the	the	DET
ap-9380	282	18	wigner	wigner	NOUN
ap-9380	282	19	-	-	PUNCT
ap-9380	282	20	ville	ville	NOUN
ap-9380	282	21	distribution	distribution	NOUN
ap-9380	282	22	of	of	ADP
ap-9380	282	23	multi	multi	ADJ
ap-9380	282	24	-	-	ADJ
ap-9380	282	25	component	component	ADJ
ap-9380	282	26	lfm	lfm	PROPN
ap-9380	282	27	signals	signal	NOUN
ap-9380	282	28	.	.	PUNCT
ap-9380	283	1	iet	iet	PROPN
ap-9380	283	2	signal	signal	PROPN
ap-9380	283	3	processing	processing	NOUN
ap-9380	283	4	11(6):657–662	11(6):657–662	NOUN
ap-9380	283	5	,	,	PUNCT
ap-9380	283	6	2017	2017	NUM
ap-9380	283	7	.	.	PUNCT
ap-9380	284	1	https://doi.org/10.1049/iet-spr.2016.0358	https://doi.org/10.1049/iet-spr.2016.0358	PROPN
ap-9380	284	2	[	[	X
ap-9380	284	3	16	16	NUM
ap-9380	284	4	]	]	X
ap-9380	284	5	y.	y.	PROPN
ap-9380	284	6	song	song	PROPN
ap-9380	284	7	,	,	PUNCT
ap-9380	284	8	j.	j.	PROPN
ap-9380	284	9	liu	liu	PROPN
ap-9380	284	10	,	,	PUNCT
ap-9380	284	11	n.	n.	PROPN
ap-9380	284	12	chu	chu	PROPN
ap-9380	284	13	,	,	PUNCT
ap-9380	284	14	et	et	PROPN
ap-9380	284	15	al	al	PROPN
ap-9380	284	16	.	.	PUNCT
ap-9380	285	1	a	a	DET
ap-9380	285	2	novel	novel	ADJ
ap-9380	285	3	demodulation	demodulation	NOUN
ap-9380	285	4	method	method	NOUN
ap-9380	285	5	for	for	ADP
ap-9380	285	6	rotating	rotate	VERB
ap-9380	285	7	machinery	machinery	NOUN
ap-9380	285	8	based	base	VERB
ap-9380	285	9	on	on	ADP
ap-9380	285	10	time	time	NOUN
ap-9380	285	11	-	-	PUNCT
ap-9380	285	12	frequency	frequency	NOUN
ap-9380	285	13	analysis	analysis	NOUN
ap-9380	285	14	and	and	CCONJ
ap-9380	285	15	principal	principal	ADJ
ap-9380	285	16	component	component	NOUN
ap-9380	285	17	analysis	analysis	NOUN
ap-9380	285	18	.	.	PUNCT
ap-9380	286	1	journal	journal	NOUN
ap-9380	286	2	of	of	ADP
ap-9380	286	3	sound	sound	NOUN
ap-9380	286	4	and	and	CCONJ
ap-9380	286	5	vibration	vibration	NOUN
ap-9380	286	6	442:645–656	442:645–656	NUM
ap-9380	286	7	,	,	PUNCT
ap-9380	286	8	2019	2019	NUM
ap-9380	286	9	.	.	PUNCT
ap-9380	287	1	https://doi.org/10.1016/j.jsv.2018.11.024	https://doi.org/10.1016/j.jsv.2018.11.024	VERB
ap-9380	288	1	[	[	X
ap-9380	288	2	17	17	NUM
ap-9380	288	3	]	]	X
ap-9380	288	4	y.	y.	PROPN
ap-9380	288	5	imaouchen	imaouchen	PROPN
ap-9380	288	6	,	,	PUNCT
ap-9380	288	7	m.	m.	PROPN
ap-9380	288	8	kedadouche	kedadouche	PROPN
ap-9380	288	9	,	,	PUNCT
ap-9380	288	10	r.	r.	PROPN
ap-9380	288	11	alkama	alkama	PROPN
ap-9380	288	12	,	,	PUNCT
ap-9380	288	13	m.	m.	NOUN
ap-9380	288	14	thomas	thomas	PROPN
ap-9380	288	15	.	.	PUNCT
ap-9380	289	1	a	a	DET
ap-9380	289	2	frequency	frequency	NOUN
ap-9380	289	3	-	-	PUNCT
ap-9380	289	4	weighted	weight	VERB
ap-9380	289	5	energy	energy	NOUN
ap-9380	289	6	operator	operator	NOUN
ap-9380	289	7	and	and	CCONJ
ap-9380	289	8	complementary	complementary	ADJ
ap-9380	289	9	ensemble	ensemble	ADJ
ap-9380	289	10	empirical	empirical	ADJ
ap-9380	289	11	mode	mode	NOUN
ap-9380	289	12	decomposition	decomposition	NOUN
ap-9380	289	13	for	for	ADP
ap-9380	289	14	bearing	bear	VERB
ap-9380	289	15	fault	fault	NOUN
ap-9380	289	16	detection	detection	NOUN
ap-9380	289	17	.	.	PUNCT
ap-9380	290	1	mechanical	mechanical	ADJ
ap-9380	290	2	systems	system	NOUN
ap-9380	290	3	and	and	CCONJ
ap-9380	290	4	signal	signal	NOUN
ap-9380	290	5	processing	process	VERB
ap-9380	290	6	82:103–116	82:103–116	PROPN
ap-9380	290	7	,	,	PUNCT
ap-9380	290	8	2017	2017	NUM
ap-9380	290	9	.	.	PUNCT
ap-9380	291	1	https://doi.org/10.1016/j.ymssp.2016.05.009	https://doi.org/10.1016/j.ymssp.2016.05.009	NOUN
ap-9380	292	1	[	[	X
ap-9380	292	2	18	18	NUM
ap-9380	292	3	]	]	X
ap-9380	292	4	d.	d.	PROPN
ap-9380	292	5	zhang	zhang	PROPN
ap-9380	292	6	,	,	PUNCT
ap-9380	292	7	d.	d.	PROPN
ap-9380	292	8	yu	yu	PROPN
ap-9380	292	9	,	,	PUNCT
ap-9380	292	10	w.	w.	PROPN
ap-9380	292	11	zhang	zhang	PROPN
ap-9380	292	12	.	.	PUNCT
ap-9380	293	1	energy	energy	NOUN
ap-9380	293	2	operator	operator	NOUN
ap-9380	293	3	demodulating	demodulate	VERB
ap-9380	293	4	of	of	ADP
ap-9380	293	5	optimal	optimal	ADJ
ap-9380	293	6	resonance	resonance	NOUN
ap-9380	293	7	components	component	NOUN
ap-9380	293	8	for	for	ADP
ap-9380	293	9	the	the	DET
ap-9380	293	10	compound	compound	NOUN
ap-9380	293	11	faults	fault	NOUN
ap-9380	293	12	diagnosis	diagnosis	NOUN
ap-9380	293	13	of	of	ADP
ap-9380	293	14	gearboxes	gearbox	NOUN
ap-9380	293	15	.	.	PUNCT
ap-9380	294	1	measurement	measurement	NOUN
ap-9380	294	2	science	science	NOUN
ap-9380	294	3	and	and	CCONJ
ap-9380	294	4	technology	technology	NOUN
ap-9380	294	5	26(11):115003	26(11):115003	PROPN
ap-9380	294	6	,	,	PUNCT
ap-9380	294	7	2015	2015	NUM
ap-9380	294	8	.	.	PUNCT
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ap-9380	296	1	[	[	X
ap-9380	296	2	19	19	NUM
ap-9380	296	3	]	]	PUNCT
ap-9380	296	4	z.	z.	PROPN
ap-9380	296	5	cai	cai	PROPN
ap-9380	296	6	,	,	PUNCT
ap-9380	296	7	y.	y.	PROPN
ap-9380	296	8	xu	xu	PROPN
ap-9380	296	9	,	,	PUNCT
ap-9380	296	10	z.	z.	PROPN
ap-9380	296	11	duan	duan	PROPN
ap-9380	296	12	.	.	PUNCT
ap-9380	297	1	an	an	DET
ap-9380	297	2	alternative	alternative	ADJ
ap-9380	297	3	demodulation	demodulation	NOUN
ap-9380	297	4	method	method	NOUN
ap-9380	297	5	using	use	VERB
ap-9380	297	6	envelope	envelope	NOUN
ap-9380	297	7	-	-	PUNCT
ap-9380	297	8	derivative	derivative	ADJ
ap-9380	297	9	operator	operator	NOUN
ap-9380	297	10	for	for	ADP
ap-9380	297	11	bearing	bear	VERB
ap-9380	297	12	fault	fault	NOUN
ap-9380	297	13	diagnosis	diagnosis	NOUN
ap-9380	297	14	of	of	ADP
ap-9380	297	15	the	the	DET
ap-9380	297	16	vibrating	vibrate	VERB
ap-9380	297	17	screen	screen	NOUN
ap-9380	297	18	.	.	PUNCT
ap-9380	298	1	journal	journal	NOUN
ap-9380	298	2	of	of	ADP
ap-9380	298	3	vibration	vibration	NOUN
ap-9380	298	4	and	and	CCONJ
ap-9380	298	5	control	control	NOUN
ap-9380	298	6	24(15):3249–3261	24(15):3249–3261	NUM
ap-9380	298	7	,	,	PUNCT
ap-9380	298	8	2017	2017	NUM
ap-9380	298	9	.	.	PUNCT
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ap-9380	300	1	[	[	X
ap-9380	300	2	20	20	NUM
ap-9380	300	3	]	]	X
ap-9380	300	4	y.	y.	PROPN
ap-9380	300	5	xu	xu	PROPN
ap-9380	300	6	,	,	PUNCT
ap-9380	300	7	y.	y.	PROPN
ap-9380	300	8	li	li	PROPN
ap-9380	300	9	,	,	PUNCT
ap-9380	300	10	y.	y.	PROPN
ap-9380	300	11	wang	wang	PROPN
ap-9380	300	12	,	,	PUNCT
ap-9380	300	13	et	et	PROPN
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ap-9380	300	15	.	.	PUNCT
ap-9380	301	1	a	a	DET
ap-9380	301	2	novel	novel	ADJ
ap-9380	301	3	strategy	strategy	NOUN
ap-9380	301	4	using	use	VERB
ap-9380	301	5	optimized	optimize	VERB
ap-9380	301	6	momed	momed	PROPN
ap-9380	301	7	and	and	CCONJ
ap-9380	301	8	b	b	X
ap-9380	301	9	-	-	PUNCT
ap-9380	301	10	spline	spline	NOUN
ap-9380	301	11	based	base	VERB
ap-9380	301	12	envelope	envelope	NOUN
ap-9380	301	13	-	-	PUNCT
ap-9380	301	14	derivative	derivative	ADJ
ap-9380	301	15	operator	operator	NOUN
ap-9380	301	16	for	for	ADP
ap-9380	301	17	compound	compound	NOUN
ap-9380	301	18	fault	fault	NOUN
ap-9380	301	19	detection	detection	NOUN
ap-9380	301	20	of	of	ADP
ap-9380	301	21	the	the	DET
ap-9380	301	22	rolling	rolling	ADJ
ap-9380	301	23	bearing	bearing	NOUN
ap-9380	301	24	.	.	PUNCT
ap-9380	302	1	structural	structural	ADJ
ap-9380	302	2	health	health	NOUN
ap-9380	302	3	monitoring	monitor	VERB
ap-9380	302	4	21(6):2569–2586	21(6):2569–2586	NUM
ap-9380	302	5	,	,	PUNCT
ap-9380	302	6	2022	2022	NUM
ap-9380	302	7	.	.	PUNCT
ap-9380	303	1	https://doi.org/10.1177/14759217211062826	https://doi.org/10.1177/14759217211062826	NOUN
ap-9380	304	1	[	[	X
ap-9380	304	2	21	21	NUM
ap-9380	304	3	]	]	X
ap-9380	304	4	s.	s.	PROPN
ap-9380	304	5	sharma	sharma	PROPN
ap-9380	304	6	,	,	PUNCT
ap-9380	304	7	s.	s.	PROPN
ap-9380	304	8	k.	k.	PROPN
ap-9380	304	9	tiwari	tiwari	PROPN
ap-9380	304	10	.	.	PUNCT
ap-9380	305	1	a	a	DET
ap-9380	305	2	novel	novel	ADJ
ap-9380	305	3	feature	feature	NOUN
ap-9380	305	4	extraction	extraction	NOUN
ap-9380	305	5	method	method	NOUN
ap-9380	305	6	based	base	VERB
ap-9380	305	7	on	on	ADP
ap-9380	305	8	weighted	weight	VERB
ap-9380	305	9	multi	multi	ADJ
ap-9380	305	10	-	-	ADJ
ap-9380	305	11	scale	scale	ADJ
ap-9380	305	12	fluctuation	fluctuation	NOUN
ap-9380	305	13	based	base	VERB
ap-9380	305	14	dispersion	dispersion	NOUN
ap-9380	305	15	entropy	entropy	NOUN
ap-9380	305	16	and	and	CCONJ
ap-9380	305	17	its	its	PRON
ap-9380	305	18	application	application	NOUN
ap-9380	305	19	to	to	ADP
ap-9380	305	20	the	the	DET
ap-9380	305	21	condition	condition	NOUN
ap-9380	305	22	monitoring	monitoring	NOUN
ap-9380	305	23	of	of	ADP
ap-9380	305	24	rotary	rotary	ADJ
ap-9380	305	25	machines	machine	NOUN
ap-9380	305	26	.	.	PUNCT
ap-9380	306	1	mechanical	mechanical	ADJ
ap-9380	306	2	systems	system	NOUN
ap-9380	306	3	and	and	CCONJ
ap-9380	306	4	signal	signal	NOUN
ap-9380	306	5	processing	processing	NOUN
ap-9380	306	6	171:108909	171:108909	NUM
ap-9380	306	7	,	,	PUNCT
ap-9380	306	8	2022	2022	NUM
ap-9380	306	9	.	.	PUNCT
ap-9380	307	1	https://doi.org/10.1016/j.ymssp.2022.108909	https://doi.org/10.1016/j.ymssp.2022.108909	ADJ
ap-9380	307	2	[	[	X
ap-9380	307	3	22	22	NUM
ap-9380	307	4	]	]	X
ap-9380	307	5	y.	y.	PROPN
ap-9380	307	6	xu	xu	PROPN
ap-9380	307	7	,	,	PUNCT
ap-9380	307	8	y.	y.	PROPN
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ap-9380	307	10	,	,	PUNCT
ap-9380	307	11	y.	y.	PROPN
ap-9380	307	12	wang	wang	PROPN
ap-9380	307	13	,	,	PUNCT
ap-9380	307	14	et	et	PROPN
ap-9380	307	15	al	al	PROPN
ap-9380	307	16	.	.	PUNCT
ap-9380	308	1	a	a	DET
ap-9380	308	2	novel	novel	ADJ
ap-9380	308	3	energy	energy	NOUN
ap-9380	308	4	demodulation	demodulation	NOUN
ap-9380	308	5	method	method	NOUN
ap-9380	308	6	using	use	VERB
ap-9380	308	7	b	b	NOUN
ap-9380	308	8	-	-	PUNCT
ap-9380	308	9	spline	spline	NOUN
ap-9380	308	10	approximation	approximation	NOUN
ap-9380	308	11	for	for	ADP
ap-9380	308	12	bearing	bear	VERB
ap-9380	308	13	fault	fault	NOUN
ap-9380	308	14	detection	detection	NOUN
ap-9380	308	15	.	.	PUNCT
ap-9380	309	1	measurement	measurement	NOUN
ap-9380	309	2	189:110635	189:110635	NUM
ap-9380	309	3	,	,	PUNCT
ap-9380	309	4	2022	2022	NUM
ap-9380	309	5	.	.	PUNCT
ap-9380	310	1	https	https	NOUN
ap-9380	310	2	:	:	PUNCT
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ap-9380	312	1	[	[	X
ap-9380	312	2	23	23	NUM
ap-9380	312	3	]	]	PUNCT
ap-9380	312	4	k.	k.	PROPN
ap-9380	312	5	wu	wu	PROPN
ap-9380	312	6	,	,	PUNCT
ap-9380	312	7	d.	d.	PROPN
ap-9380	312	8	xiang	xiang	PROPN
ap-9380	312	9	,	,	PUNCT
ap-9380	312	10	d.	d.	PROPN
ap-9380	312	11	cai	cai	PROPN
ap-9380	312	12	,	,	PUNCT
ap-9380	312	13	et	et	PROPN
ap-9380	312	14	al	al	PROPN
ap-9380	312	15	.	.	PROPN
ap-9380	312	16	extraction	extraction	NOUN
ap-9380	312	17	of	of	ADP
ap-9380	312	18	incipient	incipient	ADJ
ap-9380	312	19	fault	fault	NOUN
ap-9380	312	20	features	feature	NOUN
ap-9380	312	21	of	of	ADP
ap-9380	312	22	rolling	roll	VERB
ap-9380	312	23	bearings	bearing	NOUN
ap-9380	312	24	based	base	VERB
ap-9380	312	25	on	on	ADP
ap-9380	312	26	cwssmd	cwssmd	NOUN
ap-9380	312	27	and	and	CCONJ
ap-9380	312	28	1.5d	1.5d	NUM
ap-9380	312	29	-	-	PUNCT
ap-9380	312	30	edeo	edeo	NOUN
ap-9380	312	31	demodulation	demodulation	NOUN
ap-9380	312	32	.	.	PUNCT
ap-9380	313	1	measurement	measurement	NOUN
ap-9380	313	2	science	science	NOUN
ap-9380	313	3	and	and	CCONJ
ap-9380	313	4	technology	technology	NOUN
ap-9380	313	5	34(4):045011	34(4):045011	NUM
ap-9380	313	6	,	,	PUNCT
ap-9380	313	7	2023	2023	NUM
ap-9380	313	8	.	.	PUNCT
ap-9380	314	1	https://doi.org/10.1088/1361-6501/acaf95	https://doi.org/10.1088/1361-6501/acaf95	X
ap-9380	315	1	[	[	X
ap-9380	315	2	24	24	NUM
ap-9380	315	3	]	]	X
ap-9380	315	4	y.	y.	PROPN
ap-9380	315	5	xu	xu	PROPN
ap-9380	315	6	,	,	PUNCT
ap-9380	315	7	j.	j.	PROPN
ap-9380	315	8	nolan	nolan	PROPN
ap-9380	315	9	,	,	PUNCT
ap-9380	315	10	y.	y.	PROPN
ap-9380	315	11	li	li	PROPN
ap-9380	315	12	,	,	PUNCT
ap-9380	315	13	et	et	PROPN
ap-9380	315	14	al	al	PROPN
ap-9380	315	15	.	.	PUNCT
ap-9380	316	1	an	an	DET
ap-9380	316	2	alternative	alternative	NOUN
ap-9380	316	3	bearing	bear	VERB
ap-9380	316	4	fault	fault	NOUN
ap-9380	316	5	detection	detection	NOUN
ap-9380	316	6	strategy	strategy	NOUN
ap-9380	316	7	for	for	ADP
ap-9380	316	8	vibrating	vibrate	VERB
ap-9380	316	9	screen	screen	NOUN
ap-9380	316	10	in	in	ADP
ap-9380	316	11	the	the	DET
ap-9380	316	12	case	case	NOUN
ap-9380	316	13	of	of	ADP
ap-9380	316	14	random	random	ADJ
ap-9380	316	15	impulsive	impulsive	ADJ
ap-9380	316	16	noise	noise	NOUN
ap-9380	316	17	and	and	CCONJ
ap-9380	316	18	vibration	vibration	NOUN
ap-9380	316	19	disturbance	disturbance	NOUN
ap-9380	316	20	.	.	PUNCT
ap-9380	317	1	ssrn	ssrn	PROPN
ap-9380	317	2	electronic	electronic	ADJ
ap-9380	317	3	journal	journal	PROPN
ap-9380	317	4	2022	2022	NUM
ap-9380	317	5	.	.	PUNCT
ap-9380	318	1	preprint	preprint	NOUN
ap-9380	318	2	.	.	PUNCT
ap-9380	318	3	https://doi.org/10.2139/ssrn.4258041	https://doi.org/10.2139/ssrn.4258041	PUNCT
ap-9380	319	1	[	[	X
ap-9380	319	2	25	25	NUM
ap-9380	319	3	]	]	PUNCT
ap-9380	319	4	s.	s.	PROPN
ap-9380	319	5	j.	j.	PROPN
ap-9380	319	6	loutridis	loutridis	PROPN
ap-9380	319	7	.	.	PUNCT
ap-9380	320	1	instantaneous	instantaneous	ADJ
ap-9380	320	2	energy	energy	NOUN
ap-9380	320	3	density	density	NOUN
ap-9380	320	4	as	as	ADP
ap-9380	320	5	a	a	DET
ap-9380	320	6	feature	feature	NOUN
ap-9380	320	7	for	for	ADP
ap-9380	320	8	gear	gear	NOUN
ap-9380	320	9	fault	fault	NOUN
ap-9380	320	10	detection	detection	NOUN
ap-9380	320	11	.	.	PUNCT
ap-9380	321	1	mechanical	mechanical	ADJ
ap-9380	321	2	systems	system	NOUN
ap-9380	321	3	and	and	CCONJ
ap-9380	321	4	signal	signal	NOUN
ap-9380	321	5	processing	processing	NOUN
ap-9380	321	6	20(5):1239–1253	20(5):1239–1253	NUM
ap-9380	321	7	,	,	PUNCT
ap-9380	321	8	2006	2006	NUM
ap-9380	321	9	.	.	PUNCT
ap-9380	322	1	https://doi.org/10.1016/j.ymssp.2004.12.001	https://doi.org/10.1016/j.ymssp.2004.12.001	VERB
ap-9380	322	2	[	[	X
ap-9380	322	3	26	26	NUM
ap-9380	322	4	]	]	X
ap-9380	322	5	w.	w.	PROPN
ap-9380	322	6	moustafa	moustafa	PROPN
ap-9380	322	7	,	,	PUNCT
ap-9380	322	8	o.	o.	PROPN
ap-9380	322	9	cousinard	cousinard	PROPN
ap-9380	322	10	,	,	PUNCT
ap-9380	322	11	f.	f.	PROPN
ap-9380	322	12	bolaers	bolaer	NOUN
ap-9380	322	13	,	,	PUNCT
ap-9380	322	14	et	et	PROPN
ap-9380	322	15	al	al	PROPN
ap-9380	322	16	.	.	PUNCT
ap-9380	322	17	low	low	ADJ
ap-9380	322	18	speed	speed	NOUN
ap-9380	322	19	bearings	bearing	NOUN
ap-9380	322	20	fault	fault	VERB
ap-9380	322	21	detection	detection	NOUN
ap-9380	322	22	and	and	CCONJ
ap-9380	322	23	size	size	NOUN
ap-9380	322	24	estimation	estimation	NOUN
ap-9380	322	25	using	use	VERB
ap-9380	322	26	instantaneous	instantaneous	ADJ
ap-9380	322	27	angular	angular	ADJ
ap-9380	322	28	speed	speed	NOUN
ap-9380	322	29	.	.	PUNCT
ap-9380	323	1	journal	journal	NOUN
ap-9380	323	2	of	of	ADP
ap-9380	323	3	vibration	vibration	NOUN
ap-9380	323	4	and	and	CCONJ
ap-9380	323	5	control	control	NOUN
ap-9380	323	6	22(15):3413–3425	22(15):3413–3425	NUM
ap-9380	323	7	,	,	PUNCT
ap-9380	323	8	2014	2014	NUM
ap-9380	323	9	.	.	PUNCT
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ap-9380	325	1	[	[	X
ap-9380	325	2	27	27	NUM
ap-9380	325	3	]	]	PUNCT
ap-9380	325	4	j.	j.	PROPN
ap-9380	325	5	f.	f.	PROPN
ap-9380	325	6	kaiser	kaiser	PROPN
ap-9380	325	7	.	.	PUNCT
ap-9380	326	1	on	on	ADP
ap-9380	326	2	a	a	DET
ap-9380	326	3	simple	simple	ADJ
ap-9380	326	4	algorithm	algorithm	NOUN
ap-9380	326	5	to	to	PART
ap-9380	326	6	calculate	calculate	VERB
ap-9380	326	7	the	the	DET
ap-9380	326	8	“	"	PUNCT
ap-9380	326	9	energy	energy	NOUN
ap-9380	326	10	”	"	PUNCT
ap-9380	326	11	of	of	ADP
ap-9380	326	12	a	a	DET
ap-9380	326	13	signal	signal	NOUN
ap-9380	326	14	.	.	PUNCT
ap-9380	327	1	in	in	ADP
ap-9380	327	2	international	international	ADJ
ap-9380	327	3	conference	conference	NOUN
ap-9380	327	4	on	on	ADP
ap-9380	327	5	acoustics	acoustic	NOUN
ap-9380	327	6	,	,	PUNCT
ap-9380	327	7	speech	speech	NOUN
ap-9380	327	8	,	,	PUNCT
ap-9380	327	9	and	and	CCONJ
ap-9380	327	10	signal	signal	NOUN
ap-9380	327	11	processing	processing	NOUN
ap-9380	327	12	,	,	PUNCT
ap-9380	327	13	vol	vol	NOUN
ap-9380	327	14	.	.	PROPN
ap-9380	327	15	1	1	NUM
ap-9380	327	16	,	,	PUNCT
ap-9380	327	17	pp	pp	ADJ
ap-9380	327	18	.	.	PUNCT
ap-9380	328	1	381–384	381–384	NUM
ap-9380	328	2	.	.	PUNCT
ap-9380	328	3	ieee	ieee	NOUN
ap-9380	328	4	,	,	PUNCT
ap-9380	328	5	1990	1990	NUM
ap-9380	328	6	.	.	PUNCT
ap-9380	329	1	https://doi.org/10.1109/icassp.1990.115702	https://doi.org/10.1109/icassp.1990.115702	PROPN
ap-9380	330	1	[	[	X
ap-9380	330	2	28	28	NUM
ap-9380	330	3	]	]	X
ap-9380	330	4	p.	p.	NOUN
ap-9380	330	5	maragos	maragos	PROPN
ap-9380	330	6	,	,	PUNCT
ap-9380	330	7	j.	j.	PROPN
ap-9380	330	8	f.	f.	PROPN
ap-9380	330	9	kaiser	kaiser	PROPN
ap-9380	330	10	,	,	PUNCT
ap-9380	330	11	t.	t.	PROPN
ap-9380	330	12	f.	f.	PROPN
ap-9380	330	13	quatieri	quatieri	PROPN
ap-9380	330	14	.	.	PUNCT
ap-9380	331	1	on	on	ADP
ap-9380	331	2	amplitude	amplitude	NOUN
ap-9380	331	3	and	and	CCONJ
ap-9380	331	4	frequency	frequency	NOUN
ap-9380	331	5	demodulation	demodulation	NOUN
ap-9380	331	6	using	use	VERB
ap-9380	331	7	energy	energy	NOUN
ap-9380	331	8	operators	operator	NOUN
ap-9380	331	9	.	.	PUNCT
ap-9380	332	1	ieee	ieee	NOUN
ap-9380	332	2	transactions	transaction	NOUN
ap-9380	332	3	on	on	ADP
ap-9380	332	4	signal	signal	ADJ
ap-9380	332	5	processing	processing	NOUN
ap-9380	332	6	41(4):1532–1550	41(4):1532–1550	NUM
ap-9380	332	7	,	,	PUNCT
ap-9380	332	8	1993	1993	NUM
ap-9380	332	9	.	.	PUNCT
ap-9380	333	1	https://doi.org/10.1109/78.212729	https://doi.org/10.1109/78.212729	PROPN
ap-9380	334	1	[	[	X
ap-9380	334	2	29	29	NUM
ap-9380	334	3	]	]	X
ap-9380	334	4	m.	m.	NOUN
ap-9380	334	5	kedadouche	kedadouche	PROPN
ap-9380	334	6	,	,	PUNCT
ap-9380	334	7	m.	m.	PROPN
ap-9380	334	8	thomas	thomas	PROPN
ap-9380	334	9	,	,	PUNCT
ap-9380	334	10	a.	a.	PROPN
ap-9380	334	11	tahan	tahan	PROPN
ap-9380	334	12	.	.	PUNCT
ap-9380	335	1	monitoring	monitor	VERB
ap-9380	335	2	machines	machine	NOUN
ap-9380	335	3	by	by	ADP
ap-9380	335	4	using	use	VERB
ap-9380	335	5	a	a	DET
ap-9380	335	6	hybrid	hybrid	ADJ
ap-9380	335	7	method	method	NOUN
ap-9380	335	8	combining	combine	VERB
ap-9380	335	9	med	med	PROPN
ap-9380	335	10	,	,	PUNCT
ap-9380	335	11	emd	emd	PROPN
ap-9380	335	12	,	,	PUNCT
ap-9380	335	13	and	and	CCONJ
ap-9380	335	14	tkeo	tkeo	PROPN
ap-9380	335	15	.	.	PUNCT
ap-9380	336	1	advances	advance	NOUN
ap-9380	336	2	in	in	ADP
ap-9380	336	3	acoustics	acoustic	NOUN
ap-9380	336	4	and	and	CCONJ
ap-9380	336	5	vibration	vibration	NOUN
ap-9380	336	6	2014:592080	2014:592080	NUM
ap-9380	336	7	,	,	PUNCT
ap-9380	336	8	2014	2014	NUM
ap-9380	336	9	.	.	PUNCT
ap-9380	337	1	https://doi.org/10.1155/2014/592080	https://doi.org/10.1155/2014/592080	VERB
ap-9380	338	1	[	[	X
ap-9380	338	2	30	30	NUM
ap-9380	338	3	]	]	X
ap-9380	338	4	j.	j.	PROPN
ap-9380	338	5	m.	m.	PROPN
ap-9380	338	6	o’toole	o’toole	PROPN
ap-9380	338	7	,	,	PUNCT
ap-9380	338	8	a.	a.	NOUN
ap-9380	338	9	temko	temko	PROPN
ap-9380	338	10	,	,	PUNCT
ap-9380	338	11	n.	n.	PROPN
ap-9380	338	12	stevenson	stevenson	PROPN
ap-9380	338	13	.	.	PUNCT
ap-9380	339	1	assessing	assess	VERB
ap-9380	339	2	instantaneous	instantaneous	ADJ
ap-9380	339	3	energy	energy	NOUN
ap-9380	339	4	in	in	ADP
ap-9380	339	5	the	the	DET
ap-9380	339	6	eeg	eeg	NOUN
ap-9380	339	7	:	:	PUNCT
ap-9380	339	8	a	a	DET
ap-9380	339	9	non	non	ADJ
ap-9380	339	10	-	-	ADJ
ap-9380	339	11	negative	negative	ADJ
ap-9380	339	12	,	,	PUNCT
ap-9380	339	13	frequency	frequency	NOUN
ap-9380	339	14	-	-	PUNCT
ap-9380	339	15	weighted	weight	VERB
ap-9380	339	16	energy	energy	NOUN
ap-9380	339	17	operator	operator	NOUN
ap-9380	339	18	.	.	PUNCT
ap-9380	340	1	in	in	ADP
ap-9380	340	2	2014	2014	NUM
ap-9380	340	3	36th	36th	ADJ
ap-9380	340	4	annual	annual	ADJ
ap-9380	340	5	international	international	ADJ
ap-9380	340	6	conference	conference	NOUN
ap-9380	340	7	of	of	ADP
ap-9380	340	8	the	the	DET
ap-9380	340	9	ieee	ieee	NOUN
ap-9380	340	10	engineering	engineering	NOUN
ap-9380	340	11	in	in	ADP
ap-9380	340	12	medicine	medicine	NOUN
ap-9380	340	13	and	and	CCONJ
ap-9380	340	14	biology	biology	NOUN
ap-9380	340	15	society	society	NOUN
ap-9380	340	16	,	,	PUNCT
ap-9380	340	17	p.	p.	PROPN
ap-9380	340	18	3288–3291	3288–3291	NUM
ap-9380	340	19	.	.	PUNCT
ap-9380	340	20	ieee	ieee	PROPN
ap-9380	340	21	,	,	PUNCT
ap-9380	340	22	2014	2014	NUM
ap-9380	340	23	.	.	PUNCT
ap-9380	341	1	https://doi.org/10.1109/embc.2014.6944325	https://doi.org/10.1109/embc.2014.6944325	PROPN
ap-9380	342	1	[	[	X
ap-9380	342	2	31	31	NUM
ap-9380	342	3	]	]	PUNCT
ap-9380	342	4	r.	r.	PROPN
ap-9380	342	5	b.	b.	PROPN
ap-9380	342	6	randall	randall	PROPN
ap-9380	342	7	.	.	PUNCT
ap-9380	343	1	a	a	DET
ap-9380	343	2	new	new	ADJ
ap-9380	343	3	method	method	NOUN
ap-9380	343	4	of	of	ADP
ap-9380	343	5	modeling	model	VERB
ap-9380	343	6	gear	gear	NOUN
ap-9380	343	7	faults	fault	NOUN
ap-9380	343	8	.	.	PUNCT
ap-9380	344	1	journal	journal	NOUN
ap-9380	344	2	of	of	ADP
ap-9380	344	3	mechanical	mechanical	ADJ
ap-9380	344	4	design	design	NOUN
ap-9380	344	5	104(2):259–267	104(2):259–267	NUM
ap-9380	344	6	,	,	PUNCT
ap-9380	344	7	1982	1982	NUM
ap-9380	344	8	.	.	PUNCT
ap-9380	345	1	https://doi.org/10.1115/1.3256334	https://doi.org/10.1115/1.3256334	NOUN
ap-9380	346	1	[	[	X
ap-9380	346	2	32	32	NUM
ap-9380	346	3	]	]	PUNCT
ap-9380	346	4	b.	b.	PROPN
ap-9380	346	5	d.	d.	PROPN
ap-9380	346	6	forrester	forrester	PROPN
ap-9380	346	7	.	.	PUNCT
ap-9380	347	1	advanced	advanced	ADJ
ap-9380	347	2	vibration	vibration	NOUN
ap-9380	347	3	analysis	analysis	NOUN
ap-9380	347	4	techniques	technique	NOUN
ap-9380	347	5	for	for	ADP
ap-9380	347	6	fault	fault	NOUN
ap-9380	347	7	detection	detection	NOUN
ap-9380	347	8	and	and	CCONJ
ap-9380	347	9	diagnosis	diagnosis	NOUN
ap-9380	347	10	in	in	ADP
ap-9380	347	11	geared	gear	VERB
ap-9380	347	12	transmission	transmission	NOUN
ap-9380	347	13	systems	system	NOUN
ap-9380	347	14	.	.	PUNCT
ap-9380	348	1	ph.d	ph.d	PROPN
ap-9380	348	2	.	.	PUNCT
ap-9380	349	1	thesis	thesis	NOUN
ap-9380	349	2	,	,	PUNCT
ap-9380	349	3	swinburne	swinburne	ADJ
ap-9380	349	4	university	university	NOUN
ap-9380	349	5	of	of	ADP
ap-9380	349	6	technology	technology	NOUN
ap-9380	349	7	,	,	PUNCT
ap-9380	349	8	1996	1996	NUM
ap-9380	349	9	.	.	PUNCT
ap-9380	350	1	175	175	NUM
ap-9380	350	2	https://doi.org/10.1109/tim.2012.2186650	https://doi.org/10.1109/tim.2012.2186650	PROPN
ap-9380	350	3	https://doi.org/10.1109/iecon.2011.6119891	https://doi.org/10.1109/iecon.2011.6119891	PROPN
ap-9380	350	4	https://doi.org/10.1016/j.apacoust.2018.10.013	https://doi.org/10.1016/j.apacoust.2018.10.013	PROPN
ap-9380	350	5	https://doi.org/10.1007/978-981-15-1532-3_22	https://doi.org/10.1007/978-981-15-1532-3_22	NUM
ap-9380	350	6	https://doi.org/10.1016/j.apacoust.2022.109143	https://doi.org/10.1016/j.apacoust.2022.109143	PROPN
ap-9380	350	7	https://doi.org/10.1049/iet-spr.2016.0358	https://doi.org/10.1049/iet-spr.2016.0358	PROPN
ap-9380	350	8	https://doi.org/10.1016/j.jsv.2018.11.024	https://doi.org/10.1016/j.jsv.2018.11.024	PROPN
ap-9380	350	9	https://doi.org/10.1016/j.ymssp.2016.05.009	https://doi.org/10.1016/j.ymssp.2016.05.009	NOUN
ap-9380	350	10	https://doi.org/10.1088/0957-0233/26/11/115003	https://doi.org/10.1088/0957-0233/26/11/115003	PROPN
ap-9380	350	11	https://doi.org/10.1177/1077546317739117	https://doi.org/10.1177/1077546317739117	PRON
ap-9380	350	12	https://doi.org/10.1177/14759217211062826	https://doi.org/10.1177/14759217211062826	NOUN
ap-9380	350	13	https://doi.org/10.1016/j.ymssp.2022.108909	https://doi.org/10.1016/j.ymssp.2022.108909	ADJ
ap-9380	350	14	https://doi.org/10.1016/j.measurement.2021.110635	https://doi.org/10.1016/j.measurement.2021.110635	ADJ
ap-9380	350	15	https://doi.org/10.1016/j.measurement.2021.110635	https://doi.org/10.1016/j.measurement.2021.110635	PROPN
ap-9380	350	16	https://doi.org/10.1088/1361-6501/acaf95	https://doi.org/10.1088/1361-6501/acaf95	PROPN
ap-9380	350	17	https://doi.org/10.2139/ssrn.4258041	https://doi.org/10.2139/ssrn.4258041	X
ap-9380	350	18	https://doi.org/10.1016/j.ymssp.2004.12.001	https://doi.org/10.1016/j.ymssp.2004.12.001	PROPN
ap-9380	350	19	https://doi.org/10.1177/1077546314560600	https://doi.org/10.1177/1077546314560600	NOUN
ap-9380	351	1	https://doi.org/10.1109/icassp.1990.115702	https://doi.org/10.1109/icassp.1990.115702	PROPN
ap-9380	351	2	https://doi.org/10.1109/78.212729	https://doi.org/10.1109/78.212729	PROPN
ap-9380	351	3	https://doi.org/10.1155/2014/592080	https://doi.org/10.1155/2014/592080	PROPN
ap-9380	351	4	https://doi.org/10.1109/embc.2014.6944325	https://doi.org/10.1109/embc.2014.6944325	PROPN
ap-9380	351	5	https://doi.org/10.1115/1.3256334	https://doi.org/10.1115/1.3256334	PROPN
ap-9380	351	6	l.	l.	PROPN
ap-9380	351	7	bouhafs	bouhafs	PROPN
ap-9380	351	8	,	,	PUNCT
ap-9380	351	9	s.	s.	PROPN
ap-9380	351	10	tamalouzt	tamalouzt	PROPN
ap-9380	351	11	,	,	PUNCT
ap-9380	352	1	a.	a.	PROPN
ap-9380	352	2	bouzida	bouzida	PROPN
ap-9380	352	3	acta	acta	PROPN
ap-9380	352	4	polytechnica	polytechnica	PROPN
ap-9380	352	5	[	[	X
ap-9380	352	6	33	33	NUM
ap-9380	352	7	]	]	PUNCT
ap-9380	352	8	w.	w.	PROPN
ap-9380	352	9	wang	wang	PROPN
ap-9380	352	10	.	.	PUNCT
ap-9380	353	1	early	early	ADJ
ap-9380	353	2	detection	detection	NOUN
ap-9380	353	3	of	of	ADP
ap-9380	353	4	gear	gear	ADJ
ap-9380	353	5	tooth	tooth	NOUN
ap-9380	353	6	cracking	cracking	NOUN
ap-9380	353	7	using	use	VERB
ap-9380	353	8	the	the	DET
ap-9380	353	9	resonance	resonance	NOUN
ap-9380	353	10	demodulation	demodulation	NOUN
ap-9380	353	11	technique	technique	NOUN
ap-9380	353	12	.	.	PUNCT
ap-9380	354	1	mechanical	mechanical	ADJ
ap-9380	354	2	systems	system	NOUN
ap-9380	354	3	and	and	CCONJ
ap-9380	354	4	signal	signal	NOUN
ap-9380	354	5	processing	processing	NOUN
ap-9380	354	6	15(5):887–903	15(5):887–903	NUM
ap-9380	354	7	,	,	PUNCT
ap-9380	354	8	2001	2001	NUM
ap-9380	354	9	.	.	PUNCT
ap-9380	355	1	https://doi.org/10.1006/mssp.2001.1416	https://doi.org/10.1006/mssp.2001.1416	X
ap-9380	356	1	[	[	X
ap-9380	356	2	34	34	NUM
ap-9380	356	3	]	]	X
ap-9380	356	4	n.	n.	NOUN
ap-9380	356	5	sawalhi	sawalhi	PROPN
ap-9380	356	6	.	.	PUNCT
ap-9380	357	1	diagnostics	diagnostic	NOUN
ap-9380	357	2	,	,	PUNCT
ap-9380	357	3	prognostics	prognostic	NOUN
ap-9380	357	4	and	and	CCONJ
ap-9380	357	5	fault	fault	VERB
ap-9380	357	6	simulation	simulation	NOUN
ap-9380	357	7	for	for	ADP
ap-9380	357	8	rolling	rolling	ADJ
ap-9380	357	9	element	element	NOUN
ap-9380	357	10	bearings	bearing	NOUN
ap-9380	357	11	.	.	PUNCT
ap-9380	358	1	ph.d	ph.d	PROPN
ap-9380	358	2	.	.	PUNCT
ap-9380	359	1	thesis	thesis	NOUN
ap-9380	359	2	,	,	PUNCT
ap-9380	359	3	the	the	DET
ap-9380	359	4	university	university	NOUN
ap-9380	359	5	of	of	ADP
ap-9380	359	6	new	new	ADJ
ap-9380	359	7	south	south	PROPN
ap-9380	359	8	wales	wales	PROPN
ap-9380	359	9	,	,	PUNCT
ap-9380	359	10	2007	2007	NUM
ap-9380	359	11	.	.	PUNCT
ap-9380	360	1	https://doi.org/10.26190/unsworks/17539	https://doi.org/10.26190/unsworks/17539	NOUN
ap-9380	361	1	[	[	X
ap-9380	361	2	35	35	NUM
ap-9380	361	3	]	]	PUNCT
ap-9380	361	4	m.	m.	NOUN
ap-9380	361	5	n.	n.	PROPN
ap-9380	361	6	albezzawy	albezzawy	PROPN
ap-9380	361	7	,	,	PUNCT
ap-9380	361	8	m.	m.	NOUN
ap-9380	361	9	g.	g.	PROPN
ap-9380	361	10	nassef	nassef	PROPN
ap-9380	361	11	,	,	PUNCT
ap-9380	361	12	n.	n.	PROPN
ap-9380	361	13	sawalhi	sawalhi	PROPN
ap-9380	361	14	.	.	PUNCT
ap-9380	362	1	rolling	roll	VERB
ap-9380	362	2	element	element	NOUN
ap-9380	362	3	bearing	bear	VERB
ap-9380	362	4	fault	fault	NOUN
ap-9380	362	5	identification	identification	NOUN
ap-9380	362	6	using	use	VERB
ap-9380	362	7	a	a	DET
ap-9380	362	8	novel	novel	ADJ
ap-9380	362	9	threestep	threestep	NOUN
ap-9380	362	10	adaptive	adaptive	ADJ
ap-9380	362	11	and	and	CCONJ
ap-9380	362	12	automated	automate	VERB
ap-9380	362	13	filtration	filtration	NOUN
ap-9380	362	14	scheme	scheme	NOUN
ap-9380	362	15	based	base	VERB
ap-9380	362	16	on	on	ADP
ap-9380	362	17	gini	gini	PROPN
ap-9380	362	18	index	index	PROPN
ap-9380	362	19	.	.	PUNCT
ap-9380	363	1	isa	isa	NOUN
ap-9380	363	2	transactions	transaction	NOUN
ap-9380	363	3	101:453–460	101:453–460	NUM
ap-9380	363	4	,	,	PUNCT
ap-9380	363	5	2020	2020	NUM
ap-9380	363	6	.	.	PUNCT
ap-9380	364	1	https://doi.org/10.1016/j.isatra.2020.01.019	https://doi.org/10.1016/j.isatra.2020.01.019	PROPN
ap-9380	364	2	176	176	NUM
ap-9380	364	3	https://doi.org/10.1006/mssp.2001.1416	https://doi.org/10.1006/mssp.2001.1416	PROPN
ap-9380	364	4	https://doi.org/10.26190/unsworks/17539	https://doi.org/10.26190/unsworks/17539	PROPN
ap-9380	364	5	https://doi.org/10.1016/j.isatra.2020.01.019	https://doi.org/10.1016/j.isatra.2020.01.019	PROPN
ap-9380	364	6	acta	acta	PROPN
ap-9380	364	7	polytechnica	polytechnica	PROPN
ap-9380	364	8	65(2):167–176	65(2):167–176	PROPN
ap-9380	364	9	,	,	PUNCT
ap-9380	364	10	2025	2025	NUM
ap-9380	364	11	1	1	NUM
ap-9380	364	12	introduction	introduction	NOUN
ap-9380	364	13	2	2	NUM
ap-9380	364	14	theoretical	theoretical	ADJ
ap-9380	364	15	background	background	NOUN
ap-9380	364	16	3	3	NUM
ap-9380	364	17	gear	gear	NOUN
ap-9380	364	18	fault	fault	NOUN
ap-9380	364	19	simulation	simulation	NOUN
ap-9380	364	20	3.1	3.1	NUM
ap-9380	364	21	evaluation	evaluation	NOUN
ap-9380	364	22	of	of	ADP
ap-9380	364	23	the	the	DET
ap-9380	364	24	proposed	propose	VERB
ap-9380	364	25	method	method	NOUN
ap-9380	364	26	3.2	3.2	NUM
ap-9380	364	27	proposed	propose	VERB
ap-9380	364	28	method	method	NOUN
ap-9380	364	29	to	to	PART
ap-9380	364	30	remove	remove	VERB
ap-9380	364	31	background	background	NOUN
ap-9380	364	32	noise	noise	NOUN
ap-9380	364	33	4	4	NUM
ap-9380	364	34	experimental	experimental	ADJ
ap-9380	364	35	evaluation	evaluation	NOUN
ap-9380	364	36	4.1	4.1	NUM
ap-9380	364	37	detecting	detect	VERB
ap-9380	364	38	faults	fault	NOUN
ap-9380	364	39	in	in	ADP
ap-9380	364	40	high	high	ADJ
ap-9380	364	41	speed	speed	NOUN
ap-9380	364	42	gearbox	gearbox	NOUN
ap-9380	364	43	4.2	4.2	NUM
ap-9380	364	44	detection	detection	NOUN
ap-9380	364	45	of	of	ADP
ap-9380	364	46	gearbox	gearbox	NOUN
ap-9380	364	47	faults	fault	NOUN
ap-9380	364	48	at	at	ADP
ap-9380	364	49	different	different	ADJ
ap-9380	364	50	load	load	NOUN
ap-9380	364	51	conditions	condition	NOUN
ap-9380	364	52	5	5	NUM
ap-9380	364	53	conclusion	conclusion	NOUN
ap-9380	364	54	references	reference	NOUN