id	sid	tid	token	lemma	pos
ajst-16343	1	1	academic	academic	ADJ
ajst-16343	1	2	journal	journal	NOUN
ajst-16343	1	3	of	of	ADP
ajst-16343	1	4	science	science	NOUN
ajst-16343	1	5	and	and	CCONJ
ajst-16343	1	6	technology	technology	NOUN
ajst-16343	1	7	issn	issn	NOUN
ajst-16343	1	8	:	:	PUNCT
ajst-16343	1	9	2771	2771	NUM
ajst-16343	1	10	-	-	SYM
ajst-16343	1	11	3032	3032	NUM
ajst-16343	1	12	|	|	NOUN
ajst-16343	1	13	vol	vol	NOUN
ajst-16343	1	14	.	.	PROPN
ajst-16343	2	1	9	9	NUM
ajst-16343	2	2	,	,	PUNCT
ajst-16343	2	3	no	no	INTJ
ajst-16343	2	4	.	.	NOUN
ajst-16343	2	5	1	1	NUM
ajst-16343	2	6	,	,	PUNCT
ajst-16343	2	7	2024	2024	NUM
ajst-16343	2	8	165	165	NUM
ajst-16343	2	9	a	a	DET
ajst-16343	2	10	3d	3d	NUM
ajst-16343	2	11	array	array	NOUN
ajst-16343	2	12	high‐gain	high‐gain	PROPN
ajst-16343	2	13	vivaldi	vivaldi	PROPN
ajst-16343	2	14	antenna	antenna	PROPN
ajst-16343	2	15	design	design	PROPN
ajst-16343	2	16	hongyang	hongyang	PROPN
ajst-16343	2	17	xu	xu	PROPN
ajst-16343	3	1	*	*	PROPN
ajst-16343	3	2	,	,	PUNCT
ajst-16343	3	3	haisheng	haisheng	PROPN
ajst-16343	3	4	song	song	NOUN
ajst-16343	3	5	school	school	NOUN
ajst-16343	3	6	of	of	ADP
ajst-16343	3	7	chemistry	chemistry	NOUN
ajst-16343	3	8	and	and	CCONJ
ajst-16343	3	9	chemical	chemical	PROPN
ajst-16343	3	10	engineering	engineering	NOUN
ajst-16343	3	11	,	,	PUNCT
ajst-16343	3	12	northwest	northwest	PROPN
ajst-16343	3	13	normal	normal	ADJ
ajst-16343	3	14	university	university	NOUN
ajst-16343	3	15	,	,	PUNCT
ajst-16343	3	16	lanzhou	lanzhou	PROPN
ajst-16343	3	17	730070	730070	NUM
ajst-16343	3	18	,	,	PUNCT
ajst-16343	3	19	china	china	PROPN
ajst-16343	3	20	*	*	PUNCT
ajst-16343	3	21	corresponding	correspond	VERB
ajst-16343	3	22	author	author	NOUN
ajst-16343	3	23	:	:	PUNCT
ajst-16343	3	24	hongyang	hongyang	PROPN
ajst-16343	3	25	xu	xu	PROPN
ajst-16343	3	26	(	(	PUNCT
ajst-16343	3	27	e	e	NOUN
ajst-16343	3	28	-	-	NOUN
ajst-16343	3	29	mail	mail	NOUN
ajst-16343	3	30	:	:	PUNCT
ajst-16343	3	31	13259770734@163.com	13259770734@163.com	X
ajst-16343	3	32	)	)	PUNCT
ajst-16343	3	33	abstract	abstract	NOUN
ajst-16343	3	34	:	:	PUNCT
ajst-16343	3	35	this	this	DET
ajst-16343	3	36	article	article	NOUN
ajst-16343	3	37	designs	design	VERB
ajst-16343	3	38	a	a	DET
ajst-16343	3	39	3d	3d	NUM
ajst-16343	3	40	array	array	NOUN
ajst-16343	3	41	high	high	ADJ
ajst-16343	3	42	-	-	PUNCT
ajst-16343	3	43	gain	gain	NOUN
ajst-16343	3	44	vivaldi	vivaldi	ADJ
ajst-16343	3	45	antenna	antenna	NOUN
ajst-16343	3	46	suitable	suitable	ADJ
ajst-16343	3	47	for	for	ADP
ajst-16343	3	48	k	k	NOUN
ajst-16343	3	49	-	-	NOUN
ajst-16343	3	50	band	band	NOUN
ajst-16343	3	51	.	.	PUNCT
ajst-16343	4	1	first	first	ADV
ajst-16343	4	2	,	,	PUNCT
ajst-16343	4	3	by	by	ADP
ajst-16343	4	4	adding	add	VERB
ajst-16343	4	5	a	a	DET
ajst-16343	4	6	positive	positive	ADJ
ajst-16343	4	7	trapezoidal	trapezoidal	ADJ
ajst-16343	4	8	dielectric	dielectric	ADJ
ajst-16343	4	9	structure	structure	NOUN
ajst-16343	4	10	to	to	ADP
ajst-16343	4	11	the	the	DET
ajst-16343	4	12	radiation	radiation	NOUN
ajst-16343	4	13	port	port	NOUN
ajst-16343	4	14	of	of	ADP
ajst-16343	4	15	the	the	DET
ajst-16343	4	16	original	original	ADJ
ajst-16343	4	17	vivaldi	vivaldi	PROPN
ajst-16343	4	18	antenna	antenna	NOUN
ajst-16343	4	19	unit	unit	NOUN
ajst-16343	4	20	,	,	PUNCT
ajst-16343	4	21	the	the	DET
ajst-16343	4	22	purpose	purpose	NOUN
ajst-16343	4	23	is	be	AUX
ajst-16343	4	24	to	to	PART
ajst-16343	4	25	increase	increase	VERB
ajst-16343	4	26	the	the	DET
ajst-16343	4	27	gain	gain	NOUN
ajst-16343	4	28	of	of	ADP
ajst-16343	4	29	the	the	DET
ajst-16343	4	30	vivaldi	vivaldi	PROPN
ajst-16343	4	31	antenna	antenna	NOUN
ajst-16343	4	32	unit	unit	NOUN
ajst-16343	4	33	.	.	PUNCT
ajst-16343	5	1	the	the	DET
ajst-16343	5	2	vivaldi	vivaldi	PROPN
ajst-16343	5	3	antenna	antenna	NOUN
ajst-16343	5	4	unit	unit	NOUN
ajst-16343	5	5	was	be	AUX
ajst-16343	5	6	simulated	simulate	VERB
ajst-16343	5	7	and	and	CCONJ
ajst-16343	5	8	analyzed	analyze	VERB
ajst-16343	5	9	through	through	ADP
ajst-16343	5	10	hfss	hfss	NOUN
ajst-16343	5	11	software	software	NOUN
ajst-16343	5	12	to	to	PART
ajst-16343	5	13	obtain	obtain	VERB
ajst-16343	5	14	a	a	DET
ajst-16343	5	15	new	new	ADJ
ajst-16343	5	16	vivaldi	vivaldi	PROPN
ajst-16343	5	17	antenna	antenna	NOUN
ajst-16343	5	18	unit	unit	NOUN
ajst-16343	5	19	with	with	ADP
ajst-16343	5	20	a	a	DET
ajst-16343	5	21	frequency	frequency	NOUN
ajst-16343	5	22	band	band	NOUN
ajst-16343	5	23	width	width	NOUN
ajst-16343	5	24	of	of	ADP
ajst-16343	5	25	20ghz-26.4ghz	20ghz-26.4ghz	NUM
ajst-16343	5	26	and	and	CCONJ
ajst-16343	5	27	a	a	DET
ajst-16343	5	28	gain	gain	NOUN
ajst-16343	5	29	of	of	ADP
ajst-16343	5	30	10.8db.wider	10.8db.wider	NUM
ajst-16343	5	31	bandwidth	bandwidth	NOUN
ajst-16343	5	32	,	,	PUNCT
ajst-16343	5	33	improved	improved	ADJ
ajst-16343	5	34	gain	gain	NOUN
ajst-16343	5	35	performance	performance	NOUN
ajst-16343	5	36	and	and	CCONJ
ajst-16343	5	37	enhanced	enhanced	ADJ
ajst-16343	5	38	directionality	directionality	NOUN
ajst-16343	5	39	of	of	ADP
ajst-16343	5	40	the	the	DET
ajst-16343	5	41	vivaldi	vivaldi	PROPN
ajst-16343	5	42	antenna	antenna	NOUN
ajst-16343	5	43	unit	unit	NOUN
ajst-16343	5	44	compared	compare	VERB
ajst-16343	5	45	to	to	ADP
ajst-16343	5	46	the	the	DET
ajst-16343	5	47	original	original	ADJ
ajst-16343	5	48	antenna	antenna	NOUN
ajst-16343	5	49	.	.	PUNCT
ajst-16343	6	1	a	a	DET
ajst-16343	6	2	4	4	NUM
ajst-16343	6	3	-	-	PUNCT
ajst-16343	6	4	cell	cell	NOUN
ajst-16343	6	5	antenna	antenna	NOUN
ajst-16343	6	6	array	array	NOUN
ajst-16343	6	7	with	with	ADP
ajst-16343	6	8	a	a	DET
ajst-16343	6	9	3d	3d	NUM
ajst-16343	6	10	structure	structure	NOUN
ajst-16343	6	11	is	be	AUX
ajst-16343	6	12	designed	design	VERB
ajst-16343	6	13	in	in	ADP
ajst-16343	6	14	order	order	NOUN
ajst-16343	6	15	to	to	PART
ajst-16343	6	16	be	be	AUX
ajst-16343	6	17	suitable	suitable	ADJ
ajst-16343	6	18	for	for	ADP
ajst-16343	6	19	smaller	small	ADJ
ajst-16343	6	20	planar	planar	ADJ
ajst-16343	6	21	size	size	NOUN
ajst-16343	6	22	operating	operating	NOUN
ajst-16343	6	23	environments	environment	NOUN
ajst-16343	6	24	,	,	PUNCT
ajst-16343	6	25	and	and	CCONJ
ajst-16343	6	26	the	the	DET
ajst-16343	6	27	antenna	antenna	NOUN
ajst-16343	6	28	structure	structure	NOUN
ajst-16343	6	29	is	be	AUX
ajst-16343	6	30	further	far	ADV
ajst-16343	6	31	analyzed	analyze	VERB
ajst-16343	6	32	by	by	ADP
ajst-16343	6	33	...	...	PUNCT
ajst-16343	6	34	in	in	ADP
ajst-16343	6	35	this	this	DET
ajst-16343	6	36	paper	paper	NOUN
ajst-16343	6	37	,	,	PUNCT
ajst-16343	6	38	the	the	DET
ajst-16343	6	39	power	power	NOUN
ajst-16343	6	40	division	division	NOUN
ajst-16343	6	41	feed	feed	NOUN
ajst-16343	6	42	network	network	NOUN
ajst-16343	6	43	conforming	conforming	NOUN
ajst-16343	6	44	to	to	ADP
ajst-16343	6	45	this	this	DET
ajst-16343	6	46	array	array	NOUN
ajst-16343	6	47	is	be	AUX
ajst-16343	6	48	designed	design	VERB
ajst-16343	6	49	and	and	CCONJ
ajst-16343	6	50	the	the	DET
ajst-16343	6	51	performance	performance	NOUN
ajst-16343	6	52	of	of	ADP
ajst-16343	6	53	this	this	DET
ajst-16343	6	54	2×2	2×2	NUM
ajst-16343	6	55	antenna	antenna	NOUN
ajst-16343	6	56	array	array	NOUN
ajst-16343	6	57	is	be	AUX
ajst-16343	6	58	investigated	investigate	VERB
ajst-16343	6	59	,	,	PUNCT
ajst-16343	6	60	and	and	CCONJ
ajst-16343	6	61	the	the	DET
ajst-16343	6	62	simulation	simulation	NOUN
ajst-16343	6	63	results	result	NOUN
ajst-16343	6	64	show	show	VERB
ajst-16343	6	65	that	that	SCONJ
ajst-16343	6	66	this	this	DET
ajst-16343	6	67	array	array	NOUN
ajst-16343	6	68	has	have	VERB
ajst-16343	6	69	good	good	ADJ
ajst-16343	6	70	bandwidth	bandwidth	NOUN
ajst-16343	6	71	and	and	CCONJ
ajst-16343	6	72	radiation	radiation	NOUN
ajst-16343	6	73	performance	performance	NOUN
ajst-16343	6	74	,	,	PUNCT
ajst-16343	6	75	strong	strong	ADJ
ajst-16343	6	76	directionality	directionality	NOUN
ajst-16343	6	77	,	,	PUNCT
ajst-16343	6	78	and	and	CCONJ
ajst-16343	6	79	almost	almost	ADV
ajst-16343	6	80	no	no	PRON
ajst-16343	6	81	offset	offset	NOUN
ajst-16343	6	82	angle	angle	NOUN
ajst-16343	6	83	in	in	ADP
ajst-16343	6	84	the	the	DET
ajst-16343	6	85	e	e	NOUN
ajst-16343	6	86	-	-	NOUN
ajst-16343	6	87	plane	plane	NOUN
ajst-16343	6	88	.	.	PUNCT
ajst-16343	7	1	keywords	keyword	NOUN
ajst-16343	7	2	:	:	PUNCT
ajst-16343	7	3	3d	3d	NUM
ajst-16343	7	4	array	array	NOUN
ajst-16343	7	5	;	;	PUNCT
ajst-16343	7	6	vivaldi	vivaldi	ADJ
ajst-16343	7	7	antenna	antenna	NOUN
ajst-16343	7	8	;	;	PUNCT
ajst-16343	7	9	pilot	pilot	NOUN
ajst-16343	7	10	;	;	PUNCT
ajst-16343	7	11	high	high	ADJ
ajst-16343	7	12	gain	gain	NOUN
ajst-16343	7	13	;	;	PUNCT
ajst-16343	7	14	power	power	NOUN
ajst-16343	7	15	division	division	NOUN
ajst-16343	7	16	feed	feed	NOUN
ajst-16343	7	17	network	network	NOUN
ajst-16343	7	18	;	;	PUNCT
ajst-16343	7	19	directionality	directionality	NOUN
ajst-16343	7	20	;	;	PUNCT
ajst-16343	7	21	bandwidth	bandwidth	ADJ
ajst-16343	7	22	.	.	PUNCT
ajst-16343	8	1	1	1	X
ajst-16343	8	2	.	.	X
ajst-16343	8	3	introduction	introduction	NOUN
ajst-16343	8	4	the	the	DET
ajst-16343	8	5	rapid	rapid	ADJ
ajst-16343	8	6	development	development	NOUN
ajst-16343	8	7	of	of	ADP
ajst-16343	8	8	radar	radar	NOUN
ajst-16343	8	9	technology	technology	NOUN
ajst-16343	8	10	,	,	PUNCT
ajst-16343	8	11	the	the	DET
ajst-16343	8	12	emergence	emergence	NOUN
ajst-16343	8	13	of	of	ADP
ajst-16343	8	14	miniaturized	miniaturized	ADJ
ajst-16343	8	15	,	,	PUNCT
ajst-16343	8	16	low	low	ADJ
ajst-16343	8	17	-	-	PUNCT
ajst-16343	8	18	cost	cost	NOUN
ajst-16343	8	19	radar	radar	NOUN
ajst-16343	8	20	,	,	PUNCT
ajst-16343	8	21	so	so	SCONJ
ajst-16343	8	22	that	that	SCONJ
ajst-16343	8	23	the	the	DET
ajst-16343	8	24	application	application	NOUN
ajst-16343	8	25	of	of	ADP
ajst-16343	8	26	radar	radar	NOUN
ajst-16343	8	27	is	be	AUX
ajst-16343	8	28	more	more	ADV
ajst-16343	8	29	extensive	extensive	ADJ
ajst-16343	8	30	,	,	PUNCT
ajst-16343	8	31	vehicle	vehicle	NOUN
ajst-16343	8	32	collision	collision	NOUN
ajst-16343	8	33	avoidance	avoidance	NOUN
ajst-16343	8	34	radar	radar	NOUN
ajst-16343	8	35	came	come	VERB
ajst-16343	8	36	into	into	ADP
ajst-16343	8	37	being	being	NOUN
ajst-16343	8	38	.	.	PUNCT
ajst-16343	9	1	in	in	ADP
ajst-16343	9	2	the	the	DET
ajst-16343	9	3	process	process	NOUN
ajst-16343	9	4	of	of	ADP
ajst-16343	9	5	automobile	automobile	NOUN
ajst-16343	9	6	driving	driving	NOUN
ajst-16343	9	7	,	,	PUNCT
ajst-16343	9	8	collision	collision	NOUN
ajst-16343	9	9	avoidance	avoidance	NOUN
ajst-16343	9	10	radar	radar	NOUN
ajst-16343	9	11	can	can	AUX
ajst-16343	9	12	prejudge	prejudge	VERB
ajst-16343	9	13	whether	whether	SCONJ
ajst-16343	9	14	the	the	DET
ajst-16343	9	15	surrounding	surround	VERB
ajst-16343	9	16	vehicles	vehicle	NOUN
ajst-16343	9	17	and	and	CCONJ
ajst-16343	9	18	obstacles	obstacle	NOUN
ajst-16343	9	19	will	will	AUX
ajst-16343	9	20	have	have	VERB
ajst-16343	9	21	an	an	DET
ajst-16343	9	22	impact	impact	NOUN
ajst-16343	9	23	on	on	ADP
ajst-16343	9	24	the	the	DET
ajst-16343	9	25	automobile	automobile	NOUN
ajst-16343	9	26	driving	driving	NOUN
ajst-16343	9	27	,	,	PUNCT
ajst-16343	9	28	and	and	CCONJ
ajst-16343	9	29	then	then	ADV
ajst-16343	9	30	through	through	ADP
ajst-16343	9	31	the	the	DET
ajst-16343	9	32	issuance	issuance	NOUN
ajst-16343	9	33	of	of	ADP
ajst-16343	9	34	warnings	warning	NOUN
ajst-16343	9	35	to	to	PART
ajst-16343	9	36	draw	draw	VERB
ajst-16343	9	37	the	the	DET
ajst-16343	9	38	attention	attention	NOUN
ajst-16343	9	39	of	of	ADP
ajst-16343	9	40	the	the	DET
ajst-16343	9	41	driver	driver	NOUN
ajst-16343	9	42	to	to	ADP
ajst-16343	9	43	the	the	DET
ajst-16343	9	44	possible	possible	ADJ
ajst-16343	9	45	dangers	danger	NOUN
ajst-16343	9	46	that	that	PRON
ajst-16343	9	47	may	may	AUX
ajst-16343	9	48	occur	occur	VERB
ajst-16343	9	49	,	,	PUNCT
ajst-16343	9	50	and	and	CCONJ
ajst-16343	9	51	if	if	SCONJ
ajst-16343	9	52	the	the	DET
ajst-16343	9	53	driver	driver	NOUN
ajst-16343	9	54	is	be	AUX
ajst-16343	9	55	too	too	ADV
ajst-16343	9	56	late	late	ADJ
ajst-16343	9	57	to	to	PART
ajst-16343	9	58	react	react	VERB
ajst-16343	9	59	,	,	PUNCT
ajst-16343	9	60	it	it	PRON
ajst-16343	9	61	can	can	AUX
ajst-16343	9	62	also	also	ADV
ajst-16343	9	63	be	be	AUX
ajst-16343	9	64	a	a	DET
ajst-16343	9	65	temporary	temporary	ADJ
ajst-16343	9	66	substitute	substitute	NOUN
ajst-16343	9	67	for	for	ADP
ajst-16343	9	68	the	the	DET
ajst-16343	9	69	driver	driver	NOUN
ajst-16343	9	70	to	to	PART
ajst-16343	9	71	make	make	VERB
ajst-16343	9	72	a	a	DET
ajst-16343	9	73	deceleration	deceleration	NOUN
ajst-16343	9	74	to	to	PART
ajst-16343	9	75	avoid	avoid	VERB
ajst-16343	9	76	or	or	CCONJ
ajst-16343	9	77	emergency	emergency	NOUN
ajst-16343	9	78	braking	braking	NOUN
ajst-16343	9	79	and	and	CCONJ
ajst-16343	9	80	other	other	ADJ
ajst-16343	9	81	safety	safety	NOUN
ajst-16343	9	82	operations	operation	NOUN
ajst-16343	9	83	to	to	PART
ajst-16343	9	84	avoid	avoid	VERB
ajst-16343	9	85	accidents	accident	NOUN
ajst-16343	9	86	.	.	PUNCT
ajst-16343	10	1	currently	currently	ADV
ajst-16343	10	2	,	,	PUNCT
ajst-16343	10	3	the	the	DET
ajst-16343	10	4	two	two	NUM
ajst-16343	10	5	frequency	frequency	NOUN
ajst-16343	10	6	bands	band	NOUN
ajst-16343	10	7	used	use	VERB
ajst-16343	10	8	internationally	internationally	ADV
ajst-16343	10	9	for	for	ADP
ajst-16343	10	10	on	on	ADP
ajst-16343	10	11	-	-	PUNCT
ajst-16343	10	12	board	board	NOUN
ajst-16343	10	13	radar	radar	NOUN
ajst-16343	10	14	are	be	AUX
ajst-16343	10	15	24	24	NUM
ajst-16343	10	16	ghz	ghz	NOUN
ajst-16343	10	17	and	and	CCONJ
ajst-16343	10	18	77	77	NUM
ajst-16343	10	19	ghz	ghz	NOUN
ajst-16343	10	20	.	.	PUNCT
ajst-16343	11	1	of	of	ADP
ajst-16343	11	2	these	these	PRON
ajst-16343	11	3	,	,	PUNCT
ajst-16343	11	4	24	24	NUM
ajst-16343	11	5	ghz	ghz	NOUN
ajst-16343	11	6	is	be	AUX
ajst-16343	11	7	used	use	VERB
ajst-16343	11	8	for	for	ADP
ajst-16343	11	9	short	short	ADJ
ajst-16343	11	10	-	-	PUNCT
ajst-16343	11	11	range	range	NOUN
ajst-16343	11	12	radar	radar	NOUN
ajst-16343	11	13	,	,	PUNCT
ajst-16343	11	14	where	where	SCONJ
ajst-16343	11	15	the	the	DET
ajst-16343	11	16	vivaldi	vivaldi	PROPN
ajst-16343	11	17	antenna	antenna	NOUN
ajst-16343	11	18	has	have	VERB
ajst-16343	11	19	good	good	ADJ
ajst-16343	11	20	radiation	radiation	NOUN
ajst-16343	11	21	characteristics	characteristic	NOUN
ajst-16343	11	22	and	and	CCONJ
ajst-16343	11	23	a	a	DET
ajst-16343	11	24	wide	wide	ADJ
ajst-16343	11	25	bandwidth	bandwidth	NOUN
ajst-16343	11	26	.	.	PUNCT
ajst-16343	12	1	in	in	ADP
ajst-16343	12	2	1979	1979	NUM
ajst-16343	12	3	,	,	PUNCT
ajst-16343	12	4	gibson	gibson	PROPN
ajst-16343	12	5	first	first	ADV
ajst-16343	12	6	proposed	propose	VERB
ajst-16343	12	7	a	a	DET
ajst-16343	12	8	tapered	tapered	ADJ
ajst-16343	12	9	chipped	chip	VERB
ajst-16343	12	10	slot	slot	NOUN
ajst-16343	12	11	antenna	antenna	NOUN
ajst-16343	12	12	using	use	VERB
ajst-16343	12	13	exponentially	exponentially	ADV
ajst-16343	12	14	tapering	taper	VERB
ajst-16343	12	15	curves	curve	NOUN
ajst-16343	12	16	,	,	PUNCT
ajst-16343	12	17	known	know	VERB
ajst-16343	12	18	as	as	ADP
ajst-16343	12	19	a	a	DET
ajst-16343	12	20	conventional	conventional	ADJ
ajst-16343	12	21	antenna	antenna	NOUN
ajst-16343	12	22	,	,	PUNCT
ajst-16343	12	23	which	which	PRON
ajst-16343	12	24	belongs	belong	VERB
ajst-16343	12	25	to	to	ADP
ajst-16343	12	26	the	the	DET
ajst-16343	12	27	category	category	NOUN
ajst-16343	12	28	of	of	ADP
ajst-16343	12	29	tapering	tapering	NOUN
ajst-16343	12	30	,	,	PUNCT
ajst-16343	12	31	nonperiodic	nonperiodic	ADJ
ajst-16343	12	32	,	,	PUNCT
ajst-16343	12	33	end	end	NOUN
ajst-16343	12	34	-	-	PUNCT
ajst-16343	12	35	shooting	shoot	VERB
ajst-16343	12	36	traveling	traveling	ADJ
ajst-16343	12	37	-	-	PUNCT
ajst-16343	12	38	wave	wave	NOUN
ajst-16343	12	39	antennas	antenna	NOUN
ajst-16343	12	40	,	,	PUNCT
ajst-16343	12	41	in	in	ADP
ajst-16343	12	42	which	which	PRON
ajst-16343	12	43	electromagnetic	electromagnetic	ADJ
ajst-16343	12	44	waves	wave	NOUN
ajst-16343	12	45	are	be	AUX
ajst-16343	12	46	radiated	radiate	VERB
ajst-16343	12	47	from	from	ADP
ajst-16343	12	48	the	the	DET
ajst-16343	12	49	narrower	narrow	ADJ
ajst-16343	12	50	gap	gap	NOUN
ajst-16343	12	51	end	end	VERB
ajst-16343	12	52	to	to	ADP
ajst-16343	12	53	the	the	DET
ajst-16343	12	54	wider	wider	ADV
ajst-16343	12	55	open	open	ADJ
ajst-16343	12	56	end	end	NOUN
ajst-16343	12	57	by	by	ADP
ajst-16343	12	58	means	mean	NOUN
ajst-16343	12	59	of	of	ADP
ajst-16343	12	60	an	an	DET
ajst-16343	12	61	exponentially	exponentially	ADV
ajst-16343	12	62	tapering	taper	VERB
ajst-16343	12	63	slit	slit	ADJ
ajst-16343	12	64	structure	structure	NOUN
ajst-16343	12	65	.	.	PUNCT
ajst-16343	13	1	in	in	ADP
ajst-16343	13	2	order	order	NOUN
ajst-16343	13	3	to	to	PART
ajst-16343	13	4	improve	improve	VERB
ajst-16343	13	5	the	the	DET
ajst-16343	13	6	performance	performance	NOUN
ajst-16343	13	7	of	of	ADP
ajst-16343	13	8	the	the	DET
ajst-16343	13	9	antenna	antenna	NOUN
ajst-16343	13	10	,	,	PUNCT
ajst-16343	13	11	loading	loading	NOUN
ajst-16343	13	12	of	of	ADP
ajst-16343	13	13	metamaterials	metamaterial	NOUN
ajst-16343	13	14	on	on	ADP
ajst-16343	13	15	top	top	NOUN
ajst-16343	13	16	of	of	ADP
ajst-16343	13	17	conventional	conventional	ADJ
ajst-16343	13	18	structures	structure	NOUN
ajst-16343	13	19	,	,	PUNCT
ajst-16343	13	20	introduction	introduction	NOUN
ajst-16343	13	21	of	of	ADP
ajst-16343	13	22	slit	slit	ADJ
ajst-16343	13	23	structures	structure	NOUN
ajst-16343	13	24	,	,	PUNCT
ajst-16343	13	25	loading	loading	NOUN
ajst-16343	13	26	of	of	ADP
ajst-16343	13	27	dielectric	dielectric	ADJ
ajst-16343	13	28	lenses	lense	NOUN
ajst-16343	13	29	,	,	PUNCT
ajst-16343	13	30	etc	etc	X
ajst-16343	13	31	.	.	X
ajst-16343	13	32	are	be	AUX
ajst-16343	13	33	usually	usually	ADV
ajst-16343	13	34	used	use	VERB
ajst-16343	13	35	.	.	PUNCT
ajst-16343	14	1	the	the	DET
ajst-16343	14	2	vivaldi	vivaldi	PROPN
ajst-16343	14	3	conventional	conventional	ADJ
ajst-16343	14	4	antenna	antenna	NOUN
ajst-16343	14	5	unit	unit	NOUN
ajst-16343	14	6	proposed	propose	VERB
ajst-16343	14	7	in	in	ADP
ajst-16343	14	8	literature	literature	NOUN
ajst-16343	14	9	has	have	VERB
ajst-16343	14	10	a	a	DET
ajst-16343	14	11	gain	gain	NOUN
ajst-16343	14	12	of	of	ADP
ajst-16343	14	13	6.3	6.3	NUM
ajst-16343	14	14	db	db	NOUN
ajst-16343	14	15	at	at	ADP
ajst-16343	14	16	an	an	DET
ajst-16343	14	17	operating	operating	NOUN
ajst-16343	14	18	frequency	frequency	NOUN
ajst-16343	14	19	of	of	ADP
ajst-16343	14	20	24	24	NUM
ajst-16343	14	21	ghz	ghz	NOUN
ajst-16343	14	22	and	and	CCONJ
ajst-16343	14	23	its	its	PRON
ajst-16343	14	24	operating	operate	VERB
ajst-16343	14	25	bandwidth	bandwidth	NOUN
ajst-16343	14	26	is	be	AUX
ajst-16343	14	27	23	23	NUM
ajst-16343	14	28	-	-	SYM
ajst-16343	14	29	27	27	NUM
ajst-16343	14	30	ghz	ghz	NOUN
ajst-16343	14	31	.	.	PUNCT
ajst-16343	15	1	literature	literature	NOUN
ajst-16343	15	2	proposes	propose	VERB
ajst-16343	15	3	to	to	PART
ajst-16343	15	4	add	add	VERB
ajst-16343	15	5	an	an	DET
ajst-16343	15	6	inverted	inverted	ADJ
ajst-16343	15	7	trapezoidal	trapezoidal	ADJ
ajst-16343	15	8	guide	guide	NOUN
ajst-16343	15	9	to	to	ADP
ajst-16343	15	10	the	the	DET
ajst-16343	15	11	radiating	radiating	NOUN
ajst-16343	15	12	port	port	NOUN
ajst-16343	15	13	of	of	ADP
ajst-16343	15	14	the	the	DET
ajst-16343	15	15	heeled	heeled	ADJ
ajst-16343	15	16	vivaldi	vivaldi	PROPN
ajst-16343	15	17	antenna	antenna	NOUN
ajst-16343	15	18	,	,	PUNCT
ajst-16343	15	19	and	and	CCONJ
ajst-16343	15	20	the	the	DET
ajst-16343	15	21	gain	gain	NOUN
ajst-16343	15	22	of	of	ADP
ajst-16343	15	23	the	the	DET
ajst-16343	15	24	prototype	prototype	NOUN
ajst-16343	15	25	heeled	heel	VERB
ajst-16343	15	26	vivaldi	vivaldi	PROPN
ajst-16343	15	27	antenna	antenna	NOUN
ajst-16343	15	28	is	be	AUX
ajst-16343	15	29	10	10	NUM
ajst-16343	15	30	db	db	NOUN
ajst-16343	15	31	at	at	ADP
ajst-16343	15	32	24	24	NUM
ajst-16343	15	33	ghz	ghz	NOUN
ajst-16343	15	34	operating	operating	NOUN
ajst-16343	15	35	frequency	frequency	NOUN
ajst-16343	15	36	,	,	PUNCT
ajst-16343	15	37	and	and	CCONJ
ajst-16343	15	38	the	the	DET
ajst-16343	15	39	gain	gain	NOUN
ajst-16343	15	40	rises	rise	VERB
ajst-16343	15	41	to	to	ADP
ajst-16343	15	42	12.8	12.8	NUM
ajst-16343	15	43	db	db	NOUN
ajst-16343	15	44	after	after	SCONJ
ajst-16343	15	45	the	the	DET
ajst-16343	15	46	addition	addition	NOUN
ajst-16343	15	47	of	of	ADP
ajst-16343	15	48	the	the	DET
ajst-16343	15	49	guide	guide	NOUN
ajst-16343	15	50	,	,	PUNCT
ajst-16343	15	51	however	however	ADV
ajst-16343	15	52	,	,	PUNCT
ajst-16343	15	53	literature	literature	NOUN
ajst-16343	15	54	only	only	ADV
ajst-16343	15	55	improves	improve	VERB
ajst-16343	15	56	the	the	DET
ajst-16343	15	57	gain	gain	NOUN
ajst-16343	15	58	of	of	ADP
ajst-16343	15	59	the	the	DET
ajst-16343	15	60	heeled	heeled	ADJ
ajst-16343	15	61	vivaldi	vivaldi	PROPN
ajst-16343	15	62	antenna	antenna	NOUN
ajst-16343	15	63	,	,	PUNCT
ajst-16343	15	64	and	and	CCONJ
ajst-16343	15	65	no	no	DET
ajst-16343	15	66	research	research	NOUN
ajst-16343	15	67	has	have	AUX
ajst-16343	15	68	been	be	AUX
ajst-16343	15	69	carried	carry	VERB
ajst-16343	15	70	out	out	ADP
ajst-16343	15	71	in	in	ADP
ajst-16343	15	72	the	the	DET
ajst-16343	15	73	aspect	aspect	NOUN
ajst-16343	15	74	of	of	ADP
ajst-16343	15	75	the	the	DET
ajst-16343	15	76	conventional	conventional	ADJ
ajst-16343	15	77	vivaldi	vivaldi	PROPN
ajst-16343	15	78	antenna	antenna	NOUN
ajst-16343	15	79	.	.	PUNCT
ajst-16343	16	1	literature	literature	NOUN
ajst-16343	16	2	proposes	propose	VERB
ajst-16343	16	3	to	to	PART
ajst-16343	16	4	load	load	VERB
ajst-16343	16	5	a	a	DET
ajst-16343	16	6	rectangular	rectangular	ADJ
ajst-16343	16	7	slot	slot	NOUN
ajst-16343	16	8	on	on	ADP
ajst-16343	16	9	a	a	DET
ajst-16343	16	10	conventional	conventional	ADJ
ajst-16343	16	11	vivaldi	vivaldi	ADJ
ajst-16343	16	12	antenna	antenna	NOUN
ajst-16343	16	13	with	with	ADP
ajst-16343	16	14	a	a	DET
ajst-16343	16	15	bandwidth	bandwidth	NOUN
ajst-16343	16	16	of	of	ADP
ajst-16343	16	17	2	2	NUM
ajst-16343	16	18	-	-	SYM
ajst-16343	16	19	4	4	NUM
ajst-16343	16	20	ghz	ghz	NOUN
ajst-16343	16	21	operating	operating	NOUN
ajst-16343	16	22	band	band	NOUN
ajst-16343	16	23	and	and	CCONJ
ajst-16343	16	24	a	a	DET
ajst-16343	16	25	triangular	triangular	NOUN
ajst-16343	16	26	pilot	pilot	NOUN
ajst-16343	16	27	at	at	ADP
ajst-16343	16	28	the	the	DET
ajst-16343	16	29	radiating	radiating	NOUN
ajst-16343	16	30	port	port	NOUN
ajst-16343	16	31	,	,	PUNCT
ajst-16343	16	32	the	the	DET
ajst-16343	16	33	antenna	antenna	NOUN
ajst-16343	16	34	has	have	VERB
ajst-16343	16	35	a	a	DET
ajst-16343	16	36	gain	gain	NOUN
ajst-16343	16	37	of	of	ADP
ajst-16343	16	38	6.7	6.7	NUM
ajst-16343	16	39	db	db	NOUN
ajst-16343	16	40	at	at	ADP
ajst-16343	16	41	an	an	DET
ajst-16343	16	42	operating	operating	NOUN
ajst-16343	16	43	frequency	frequency	NOUN
ajst-16343	16	44	of	of	ADP
ajst-16343	16	45	3	3	NUM
ajst-16343	16	46	ghz	ghz	NOUN
ajst-16343	16	47	,	,	PUNCT
ajst-16343	16	48	which	which	PRON
ajst-16343	16	49	is	be	AUX
ajst-16343	16	50	a	a	DET
ajst-16343	16	51	total	total	ADJ
ajst-16343	16	52	gain	gain	NOUN
ajst-16343	16	53	improvement	improvement	NOUN
ajst-16343	16	54	of	of	ADP
ajst-16343	16	55	1.8	1.8	NUM
ajst-16343	16	56	db	db	VERB
ajst-16343	16	57	compared	compare	VERB
ajst-16343	16	58	to	to	ADP
ajst-16343	16	59	the	the	DET
ajst-16343	16	60	conventional	conventional	ADJ
ajst-16343	16	61	vivaldi	vivaldi	ADJ
ajst-16343	16	62	antenna	antenna	NOUN
ajst-16343	16	63	.	.	PUNCT
ajst-16343	17	1	in	in	ADP
ajst-16343	17	2	this	this	DET
ajst-16343	17	3	paper	paper	NOUN
ajst-16343	17	4	,	,	PUNCT
ajst-16343	17	5	a	a	DET
ajst-16343	17	6	new	new	ADJ
ajst-16343	17	7	high	high	ADJ
ajst-16343	17	8	-	-	PUNCT
ajst-16343	17	9	gain	gain	NOUN
ajst-16343	17	10	vivaldi	vivaldi	PROPN
ajst-16343	17	11	antenna	antenna	NOUN
ajst-16343	17	12	unit	unit	NOUN
ajst-16343	17	13	at	at	ADP
ajst-16343	17	14	24	24	NUM
ajst-16343	17	15	ghz	ghz	NOUN
ajst-16343	17	16	is	be	AUX
ajst-16343	17	17	proposed	propose	VERB
ajst-16343	17	18	to	to	PART
ajst-16343	17	19	add	add	VERB
ajst-16343	17	20	a	a	DET
ajst-16343	17	21	positive	positive	ADJ
ajst-16343	17	22	trapezoidal	trapezoidal	ADJ
ajst-16343	17	23	structure	structure	NOUN
ajst-16343	17	24	at	at	ADP
ajst-16343	17	25	the	the	DET
ajst-16343	17	26	radiating	radiate	VERB
ajst-16343	17	27	port	port	NOUN
ajst-16343	17	28	of	of	ADP
ajst-16343	17	29	a	a	DET
ajst-16343	17	30	conventional	conventional	ADJ
ajst-16343	17	31	vivaldi	vivaldi	ADJ
ajst-16343	17	32	antenna	antenna	NOUN
ajst-16343	17	33	with	with	ADP
ajst-16343	17	34	a	a	DET
ajst-16343	17	35	bandwidth	bandwidth	NOUN
ajst-16343	17	36	of	of	ADP
ajst-16343	17	37	20	20	NUM
ajst-16343	17	38	ghz-26.4	ghz-26.4	PROPN
ajst-16343	17	39	ghz	ghz	NOUN
ajst-16343	17	40	,	,	PUNCT
ajst-16343	17	41	and	and	CCONJ
ajst-16343	17	42	the	the	DET
ajst-16343	17	43	maximum	maximum	ADJ
ajst-16343	17	44	gain	gain	NOUN
ajst-16343	17	45	is	be	AUX
ajst-16343	17	46	about	about	ADV
ajst-16343	17	47	10.8	10.8	NUM
ajst-16343	17	48	db	db	NOUN
ajst-16343	17	49	at	at	ADP
ajst-16343	17	50	the	the	DET
ajst-16343	17	51	operating	operating	NOUN
ajst-16343	17	52	frequency	frequency	NOUN
ajst-16343	17	53	of	of	ADP
ajst-16343	17	54	24	24	NUM
ajst-16343	17	55	ghz	ghz	NOUN
ajst-16343	17	56	.	.	PUNCT
ajst-16343	18	1	compared	compare	VERB
ajst-16343	18	2	to	to	ADP
ajst-16343	18	3	literature	literature	NOUN
ajst-16343	18	4	there	there	PRON
ajst-16343	18	5	is	be	VERB
ajst-16343	18	6	a	a	DET
ajst-16343	18	7	great	great	ADJ
ajst-16343	18	8	improvement	improvement	NOUN
ajst-16343	18	9	in	in	ADP
ajst-16343	18	10	terms	term	NOUN
ajst-16343	18	11	of	of	ADP
ajst-16343	18	12	gain	gain	NOUN
ajst-16343	18	13	and	and	CCONJ
ajst-16343	18	14	bandwidth	bandwidth	ADJ
ajst-16343	18	15	.	.	PUNCT
ajst-16343	19	1	compared	compare	VERB
ajst-16343	19	2	to	to	ADP
ajst-16343	19	3	literature	literature	NOUN
ajst-16343	19	4	this	this	DET
ajst-16343	19	5	paper	paper	NOUN
ajst-16343	19	6	applies	apply	VERB
ajst-16343	19	7	the	the	DET
ajst-16343	19	8	idea	idea	NOUN
ajst-16343	19	9	of	of	ADP
ajst-16343	19	10	a	a	DET
ajst-16343	19	11	pilot	pilot	NOUN
ajst-16343	19	12	to	to	ADP
ajst-16343	19	13	a	a	DET
ajst-16343	19	14	conventional	conventional	ADJ
ajst-16343	19	15	vivaldi	vivaldi	ADJ
ajst-16343	19	16	antenna	antenna	NOUN
ajst-16343	19	17	with	with	ADP
ajst-16343	19	18	appropriate	appropriate	ADJ
ajst-16343	19	19	structural	structural	ADJ
ajst-16343	19	20	changes	change	NOUN
ajst-16343	19	21	.	.	PUNCT
ajst-16343	20	1	compared	compare	VERB
ajst-16343	20	2	to	to	ADP
ajst-16343	20	3	literature	literature	NOUN
ajst-16343	20	4	where	where	SCONJ
ajst-16343	20	5	this	this	DET
ajst-16343	20	6	paper	paper	NOUN
ajst-16343	20	7	improves	improve	VERB
ajst-16343	20	8	the	the	DET
ajst-16343	20	9	gain	gain	NOUN
ajst-16343	20	10	by	by	ADP
ajst-16343	20	11	1	1	NUM
ajst-16343	20	12	db	db	NOUN
ajst-16343	20	13	when	when	SCONJ
ajst-16343	20	14	only	only	ADV
ajst-16343	20	15	the	the	DET
ajst-16343	20	16	pilot	pilot	NOUN
ajst-16343	20	17	is	be	AUX
ajst-16343	20	18	loaded	load	VERB
ajst-16343	20	19	,	,	PUNCT
ajst-16343	20	20	literature	literature	NOUN
ajst-16343	20	21	improves	improve	VERB
ajst-16343	20	22	it	it	PRON
ajst-16343	20	23	by	by	ADP
ajst-16343	20	24	only	only	ADV
ajst-16343	20	25	0.8	0.8	NUM
ajst-16343	20	26	db	db	NOUN
ajst-16343	20	27	.	.	PUNCT
ajst-16343	21	1	and	and	CCONJ
ajst-16343	21	2	this	this	DET
ajst-16343	21	3	paper	paper	NOUN
ajst-16343	21	4	proposes	propose	VERB
ajst-16343	21	5	a	a	DET
ajst-16343	21	6	2×2	2×2	NUM
ajst-16343	21	7	3d	3d	NOUN
ajst-16343	21	8	structure	structure	NOUN
ajst-16343	21	9	of	of	ADP
ajst-16343	21	10	the	the	DET
ajst-16343	21	11	array	array	NOUN
ajst-16343	21	12	and	and	CCONJ
ajst-16343	21	13	designs	design	VERB
ajst-16343	21	14	a	a	DET
ajst-16343	21	15	common	common	ADJ
ajst-16343	21	16	feed	feed	NOUN
ajst-16343	21	17	network	network	NOUN
ajst-16343	21	18	to	to	PART
ajst-16343	21	19	match	match	VERB
ajst-16343	21	20	with	with	ADP
ajst-16343	21	21	it	it	PRON
ajst-16343	21	22	,	,	PUNCT
ajst-16343	21	23	so	so	SCONJ
ajst-16343	21	24	that	that	SCONJ
ajst-16343	21	25	its	its	PRON
ajst-16343	21	26	array	array	NOUN
ajst-16343	21	27	increases	increase	VERB
ajst-16343	21	28	4.2db	4.2db	NUM
ajst-16343	21	29	compared	compare	VERB
ajst-16343	21	30	to	to	ADP
ajst-16343	21	31	the	the	DET
ajst-16343	21	32	cell	cell	NOUN
ajst-16343	21	33	gain	gain	NOUN
ajst-16343	21	34	and	and	CCONJ
ajst-16343	21	35	the	the	DET
ajst-16343	21	36	bandwidth	bandwidth	NOUN
ajst-16343	21	37	is	be	AUX
ajst-16343	21	38	5.9ghz	5.9ghz	NUM
ajst-16343	21	39	,	,	PUNCT
ajst-16343	21	40	which	which	PRON
ajst-16343	21	41	meets	meet	VERB
ajst-16343	21	42	the	the	DET
ajst-16343	21	43	design	design	NOUN
ajst-16343	21	44	and	and	CCONJ
ajst-16343	21	45	requirements	requirement	NOUN
ajst-16343	21	46	.	.	PUNCT
ajst-16343	22	1	in	in	ADP
ajst-16343	22	2	this	this	DET
ajst-16343	22	3	paper	paper	NOUN
ajst-16343	22	4	,	,	PUNCT
ajst-16343	22	5	a	a	DET
ajst-16343	22	6	3d	3d	NUM
ajst-16343	22	7	4	4	NUM
ajst-16343	22	8	-	-	PUNCT
ajst-16343	22	9	cell	cell	NOUN
ajst-16343	22	10	2×2	2×2	NOUN
ajst-16343	22	11	array	array	NOUN
ajst-16343	22	12	antenna	antenna	NOUN
ajst-16343	22	13	operating	operate	VERB
ajst-16343	22	14	at	at	ADP
ajst-16343	22	15	24	24	NUM
ajst-16343	22	16	ghz	ghz	NOUN
ajst-16343	22	17	frequency	frequency	NOUN
ajst-16343	22	18	has	have	AUX
ajst-16343	22	19	been	be	AUX
ajst-16343	22	20	designed	design	VERB
ajst-16343	22	21	by	by	ADP
ajst-16343	22	22	investigating	investigate	VERB
ajst-16343	22	23	the	the	DET
ajst-16343	22	24	array	array	NOUN
ajst-16343	22	25	,	,	PUNCT
ajst-16343	22	26	feed	feed	NOUN
ajst-16343	22	27	,	,	PUNCT
ajst-16343	22	28	etc	etc	X
ajst-16343	22	29	.	.	X
ajst-16343	22	30	as	as	SCONJ
ajst-16343	22	31	in	in	ADP
ajst-16343	22	32	literature	literature	NOUN
ajst-16343	22	33	to	to	PART
ajst-16343	22	34	design	design	VERB
ajst-16343	22	35	a	a	DET
ajst-16343	22	36	1	1	NUM
ajst-16343	22	37	×	×	NOUN
ajst-16343	22	38	4	4	NUM
ajst-16343	22	39	linear	linear	NOUN
ajst-16343	22	40	array	array	NOUN
ajst-16343	22	41	of	of	ADP
ajst-16343	22	42	vivaldi	vivaldi	PROPN
ajst-16343	22	43	antenna	antenna	NOUN
ajst-16343	22	44	units	unit	NOUN
ajst-16343	22	45	,	,	PUNCT
ajst-16343	22	46	this	this	DET
ajst-16343	22	47	design	design	NOUN
ajst-16343	22	48	compared	compare	VERB
ajst-16343	22	49	to	to	ADP
ajst-16343	22	50	its	its	PRON
ajst-16343	22	51	linear	linear	ADJ
ajst-16343	22	52	array	array	NOUN
ajst-16343	22	53	1	1	NUM
ajst-16343	22	54	×	×	NOUN
ajst-16343	22	55	4	4	NUM
ajst-16343	22	56	array	array	NOUN
ajst-16343	22	57	,	,	PUNCT
ajst-16343	22	58	greatly	greatly	ADV
ajst-16343	22	59	reducing	reduce	VERB
ajst-16343	22	60	the	the	DET
ajst-16343	22	61	size	size	NOUN
ajst-16343	22	62	required	require	VERB
ajst-16343	22	63	for	for	ADP
ajst-16343	22	64	the	the	DET
ajst-16343	22	65	array	array	NOUN
ajst-16343	22	66	plane	plane	NOUN
ajst-16343	22	67	,	,	PUNCT
ajst-16343	22	68	and	and	CCONJ
ajst-16343	22	69	other	other	ADJ
ajst-16343	22	70	performance	performance	NOUN
ajst-16343	22	71	has	have	AUX
ajst-16343	22	72	been	be	AUX
ajst-16343	22	73	improved	improve	VERB
ajst-16343	22	74	for	for	ADP
ajst-16343	22	75	the	the	DET
ajst-16343	22	76	design	design	NOUN
ajst-16343	22	77	of	of	ADP
ajst-16343	22	78	vivaldi	vivaldi	PROPN
ajst-16343	22	79	antenna	antenna	NOUN
ajst-16343	22	80	arrays	array	VERB
ajst-16343	22	81	to	to	PART
ajst-16343	22	82	provide	provide	VERB
ajst-16343	22	83	a	a	DET
ajst-16343	22	84	new	new	ADJ
ajst-16343	22	85	way	way	NOUN
ajst-16343	22	86	of	of	ADP
ajst-16343	22	87	thinking	thinking	NOUN
ajst-16343	22	88	.	.	PUNCT
ajst-16343	23	1	2	2	X
ajst-16343	23	2	.	.	X
ajst-16343	23	3	24ghz	24ghz	PROPN
ajst-16343	23	4	vivaldi	vivaldi	PROPN
ajst-16343	23	5	antenna	antenna	NOUN
ajst-16343	23	6	unit	unit	NOUN
ajst-16343	23	7	design	design	VERB
ajst-16343	23	8	2.1	2.1	NUM
ajst-16343	23	9	.	.	PUNCT
ajst-16343	23	10	calculation	calculation	NOUN
ajst-16343	23	11	of	of	ADP
ajst-16343	23	12	the	the	DET
ajst-16343	23	13	original	original	ADJ
ajst-16343	23	14	antenna	antenna	NOUN
ajst-16343	23	15	unit	unit	NOUN
ajst-16343	23	16	and	and	CCONJ
ajst-16343	23	17	its	its	PRON
ajst-16343	23	18	dimensions	dimension	NOUN
ajst-16343	23	19	the	the	DET
ajst-16343	23	20	schematic	schematic	ADJ
ajst-16343	23	21	of	of	ADP
ajst-16343	23	22	the	the	DET
ajst-16343	23	23	original	original	ADJ
ajst-16343	23	24	vivaldi	vivaldi	PROPN
ajst-16343	23	25	antenna	antenna	NOUN
ajst-16343	23	26	structure	structure	NOUN
ajst-16343	23	27	is	be	AUX
ajst-16343	23	28	shown	show	VERB
ajst-16343	23	29	in	in	ADP
ajst-16343	23	30	figure	figure	NOUN
ajst-16343	23	31	1	1	NUM
ajst-16343	23	32	below	below	ADV
ajst-16343	23	33	.	.	PUNCT
ajst-16343	24	1	166	166	NUM
ajst-16343	24	2	(	(	PUNCT
ajst-16343	24	3	1	1	NUM
ajst-16343	24	4	)	)	PUNCT
ajst-16343	24	5	negative	negative	ADJ
ajst-16343	24	6	(	(	PUNCT
ajst-16343	24	7	2	2	NUM
ajst-16343	24	8	)	)	PUNCT
ajst-16343	24	9	backside	backside	NOUN
ajst-16343	24	10	figure	figure	NOUN
ajst-16343	24	11	1	1	NUM
ajst-16343	24	12	.	.	PUNCT
ajst-16343	24	13	traditional	traditional	ADJ
ajst-16343	24	14	vivaldi	vivaldi	PROPN
ajst-16343	24	15	antenna	antenna	NOUN
ajst-16343	24	16	structure	structure	NOUN
ajst-16343	24	17	(	(	PUNCT
ajst-16343	24	18	1	1	X
ajst-16343	24	19	)	)	PUNCT
ajst-16343	24	20	slotted	slotted	ADJ
ajst-16343	24	21	line	line	NOUN
ajst-16343	24	22	structure	structure	NOUN
ajst-16343	24	23	vivaldi	vivaldi	PROPN
ajst-16343	24	24	antenna	antenna	NOUN
ajst-16343	24	25	is	be	AUX
ajst-16343	24	26	a	a	DET
ajst-16343	24	27	traveling	travel	VERB
ajst-16343	24	28	wave	wave	NOUN
ajst-16343	24	29	antenna	antenna	NOUN
ajst-16343	24	30	with	with	ADP
ajst-16343	24	31	endshooting	endshoote	VERB
ajst-16343	24	32	characteristics	characteristic	NOUN
ajst-16343	24	33	,	,	PUNCT
ajst-16343	24	34	according	accord	VERB
ajst-16343	24	35	to	to	ADP
ajst-16343	24	36	the	the	DET
ajst-16343	24	37	radiation	radiation	NOUN
ajst-16343	24	38	principle	principle	NOUN
ajst-16343	24	39	of	of	ADP
ajst-16343	24	40	vivaldi	vivaldi	PROPN
ajst-16343	24	41	antenna	antenna	NOUN
ajst-16343	24	42	,	,	PUNCT
ajst-16343	24	43	it	it	PRON
ajst-16343	24	44	can	can	AUX
ajst-16343	24	45	be	be	AUX
ajst-16343	24	46	known	know	VERB
ajst-16343	24	47	that	that	SCONJ
ajst-16343	24	48	the	the	DET
ajst-16343	24	49	antenna	antenna	NOUN
ajst-16343	24	50	starts	start	VERB
ajst-16343	24	51	to	to	PART
ajst-16343	24	52	radiate	radiate	VERB
ajst-16343	24	53	electromagnetic	electromagnetic	ADJ
ajst-16343	24	54	waves	wave	NOUN
ajst-16343	24	55	only	only	ADV
ajst-16343	24	56	when	when	SCONJ
ajst-16343	24	57	the	the	DET
ajst-16343	24	58	slot	slot	NOUN
ajst-16343	24	59	line	line	NOUN
ajst-16343	24	60	end	end	NOUN
ajst-16343	24	61	opening	opening	NOUN
ajst-16343	24	62	is	be	AUX
ajst-16343	24	63	larger	large	ADJ
ajst-16343	24	64	than	than	ADP
ajst-16343	24	65	1/2	1/2	NUM
ajst-16343	24	66	wavelength	wavelength	NOUN
ajst-16343	24	67	,	,	PUNCT
ajst-16343	24	68	so	so	CCONJ
ajst-16343	24	69	when	when	SCONJ
ajst-16343	24	70	the	the	DET
ajst-16343	24	71	frequency	frequency	NOUN
ajst-16343	24	72	is	be	AUX
ajst-16343	24	73	increased	increase	VERB
ajst-16343	24	74	to	to	ADP
ajst-16343	24	75	the	the	DET
ajst-16343	24	76	width	width	NOUN
ajst-16343	24	77	of	of	ADP
ajst-16343	24	78	slot	slot	NOUN
ajst-16343	24	79	line	line	NOUN
ajst-16343	24	80	end	end	NOUN
ajst-16343	24	81	opening	opening	NOUN
ajst-16343	24	82	is	be	AUX
ajst-16343	24	83	larger	large	ADJ
ajst-16343	24	84	than	than	ADP
ajst-16343	24	85	1/2	1/2	NUM
ajst-16343	24	86	,	,	PUNCT
ajst-16343	24	87	the	the	DET
ajst-16343	24	88	antenna	antenna	NOUN
ajst-16343	24	89	starts	start	VERB
ajst-16343	24	90	to	to	PART
ajst-16343	24	91	radiate	radiate	VERB
ajst-16343	24	92	electromagnetic	electromagnetic	ADJ
ajst-16343	24	93	waves	wave	NOUN
ajst-16343	24	94	outward	outward	ADV
ajst-16343	24	95	,	,	PUNCT
ajst-16343	24	96	so	so	CCONJ
ajst-16343	24	97	the	the	DET
ajst-16343	24	98	width	width	NOUN
ajst-16343	24	99	of	of	ADP
ajst-16343	24	100	the	the	DET
ajst-16343	24	101	slot	slot	NOUN
ajst-16343	24	102	line	line	NOUN
ajst-16343	24	103	end	end	NOUN
ajst-16343	24	104	opening	opening	NOUN
ajst-16343	24	105	decides	decide	VERB
ajst-16343	24	106	the	the	DET
ajst-16343	24	107	low	low	ADJ
ajst-16343	24	108	-	-	PUNCT
ajst-16343	24	109	frequency	frequency	NOUN
ajst-16343	24	110	characteristics	characteristic	NOUN
ajst-16343	24	111	of	of	ADP
ajst-16343	24	112	the	the	DET
ajst-16343	24	113	antenna	antenna	NOUN
ajst-16343	24	114	,	,	PUNCT
ajst-16343	24	115	and	and	CCONJ
ajst-16343	24	116	when	when	SCONJ
ajst-16343	24	117	the	the	DET
ajst-16343	24	118	frequency	frequency	NOUN
ajst-16343	24	119	is	be	AUX
ajst-16343	24	120	continued	continue	VERB
ajst-16343	24	121	to	to	PART
ajst-16343	24	122	increase	increase	VERB
ajst-16343	24	123	,	,	PUNCT
ajst-16343	24	124	the	the	DET
ajst-16343	24	125	antenna	antenna	NOUN
ajst-16343	24	126	is	be	AUX
ajst-16343	24	127	not	not	PART
ajst-16343	24	128	able	able	ADJ
ajst-16343	24	129	to	to	PART
ajst-16343	24	130	radiate	radiate	VERB
ajst-16343	24	131	efficiently	efficiently	ADV
ajst-16343	24	132	when	when	SCONJ
ajst-16343	24	133	the	the	DET
ajst-16343	24	134	width	width	NOUN
ajst-16343	24	135	of	of	ADP
ajst-16343	24	136	the	the	DET
ajst-16343	24	137	antenna	antenna	NOUN
ajst-16343	24	138	's	's	PART
ajst-16343	24	139	starting	start	VERB
ajst-16343	24	140	end	end	NOUN
ajst-16343	24	141	is	be	AUX
ajst-16343	24	142	larger	large	ADJ
ajst-16343	24	143	than	than	ADP
ajst-16343	24	144	two	two	NUM
ajst-16343	24	145	times	time	NOUN
ajst-16343	24	146	the	the	DET
ajst-16343	24	147	wavelength	wavelength	NOUN
ajst-16343	24	148	,	,	PUNCT
ajst-16343	24	149	therefore	therefore	ADV
ajst-16343	24	150	,	,	PUNCT
ajst-16343	24	151	the	the	DET
ajst-16343	24	152	width	width	NOUN
ajst-16343	24	153	of	of	ADP
ajst-16343	24	154	slot	slot	NOUN
ajst-16343	24	155	line	line	NOUN
ajst-16343	24	156	starting	start	VERB
ajst-16343	24	157	end	end	NOUN
ajst-16343	24	158	decides	decide	VERB
ajst-16343	24	159	the	the	DET
ajst-16343	24	160	antenna	antenna	NOUN
ajst-16343	24	161	's	's	PART
ajst-16343	24	162	high	high	ADJ
ajst-16343	24	163	-	-	PUNCT
ajst-16343	24	164	frequency	frequency	NOUN
ajst-16343	24	165	characteristics[4	characteristics[4	PROPN
ajst-16343	24	166	]	]	PUNCT
ajst-16343	24	167	.	.	PUNCT
ajst-16343	25	1	knowing	know	VERB
ajst-16343	25	2	the	the	DET
ajst-16343	25	3	width	width	NOUN
ajst-16343	25	4	of	of	ADP
ajst-16343	25	5	the	the	DET
ajst-16343	25	6	openings	opening	NOUN
ajst-16343	25	7	at	at	ADP
ajst-16343	25	8	the	the	DET
ajst-16343	25	9	beginning	beginning	NOUN
ajst-16343	25	10	and	and	CCONJ
ajst-16343	25	11	end	end	NOUN
ajst-16343	25	12	of	of	ADP
ajst-16343	25	13	the	the	DET
ajst-16343	25	14	exponential	exponential	ADJ
ajst-16343	25	15	tapering	taper	VERB
ajst-16343	25	16	groove	groove	NOUN
ajst-16343	25	17	line	line	NOUN
ajst-16343	25	18	,	,	PUNCT
ajst-16343	25	19	the	the	DET
ajst-16343	25	20	exponential	exponential	ADJ
ajst-16343	25	21	tapering	tapering	NOUN
ajst-16343	25	22	groove	groove	NOUN
ajst-16343	25	23	line	line	NOUN
ajst-16343	25	24	can	can	AUX
ajst-16343	25	25	be	be	AUX
ajst-16343	25	26	sized	size	VERB
ajst-16343	25	27	using	use	VERB
ajst-16343	25	28	the	the	DET
ajst-16343	25	29	formula	formula	NOUN
ajst-16343	25	30	for	for	ADP
ajst-16343	25	31	exponential	exponential	ADJ
ajst-16343	25	32	tapering	tapering	NOUN
ajst-16343	25	33	groove	groove	NOUN
ajst-16343	25	34	lines	line	NOUN
ajst-16343	25	35	.	.	PUNCT
ajst-16343	26	1	vivaldi	vivaldi	PROPN
ajst-16343	26	2	index	index	PROPN
ajst-16343	26	3	gradient	gradient	NOUN
ajst-16343	26	4	groove	groove	NOUN
ajst-16343	26	5	line	line	NOUN
ajst-16343	26	6	formula	formula	NOUN
ajst-16343	26	7	y	y	NOUN
ajst-16343	26	8	c	c	NOUN
ajst-16343	26	9	e	e	X
ajst-16343	26	10	c	c	X
ajst-16343	26	11	(	(	PUNCT
ajst-16343	26	12	1	1	NUM
ajst-16343	26	13	)	)	PUNCT
ajst-16343	26	14	c	c	NOUN
ajst-16343	26	15	(	(	PUNCT
ajst-16343	26	16	2	2	NUM
ajst-16343	26	17	)	)	PUNCT
ajst-16343	26	18	c	c	NOUN
ajst-16343	26	19	(	(	PUNCT
ajst-16343	26	20	3	3	NUM
ajst-16343	26	21	)	)	PUNCT
ajst-16343	26	22	where	where	SCONJ
ajst-16343	26	23	,	,	PUNCT
ajst-16343	26	24	(	(	PUNCT
ajst-16343	26	25	x1,y1	x1,y1	PROPN
ajst-16343	26	26	)	)	PUNCT
ajst-16343	26	27	,	,	PUNCT
ajst-16343	26	28	(	(	PUNCT
ajst-16343	26	29	x2,y2	x2,y2	PROPN
ajst-16343	26	30	)	)	PUNCT
ajst-16343	26	31	are	be	AUX
ajst-16343	26	32	the	the	DET
ajst-16343	26	33	coordinates	coordinate	NOUN
ajst-16343	26	34	of	of	ADP
ajst-16343	26	35	the	the	DET
ajst-16343	26	36	start	start	NOUN
ajst-16343	26	37	point	point	NOUN
ajst-16343	26	38	and	and	CCONJ
ajst-16343	26	39	end	end	NOUN
ajst-16343	26	40	point	point	NOUN
ajst-16343	26	41	,	,	PUNCT
ajst-16343	26	42	r	r	NOUN
ajst-16343	26	43	is	be	AUX
ajst-16343	26	44	the	the	DET
ajst-16343	26	45	curvature	curvature	NOUN
ajst-16343	26	46	of	of	ADP
ajst-16343	26	47	the	the	DET
ajst-16343	26	48	slot	slot	NOUN
ajst-16343	26	49	line	line	NOUN
ajst-16343	26	50	,	,	PUNCT
ajst-16343	26	51	which	which	PRON
ajst-16343	26	52	determines	determine	VERB
ajst-16343	26	53	the	the	DET
ajst-16343	26	54	degree	degree	NOUN
ajst-16343	26	55	of	of	ADP
ajst-16343	26	56	curvature	curvature	NOUN
ajst-16343	26	57	of	of	ADP
ajst-16343	26	58	the	the	DET
ajst-16343	26	59	slot	slot	NOUN
ajst-16343	26	60	line	line	NOUN
ajst-16343	26	61	,	,	PUNCT
ajst-16343	26	62	when	when	SCONJ
ajst-16343	26	63	r	r	NOUN
ajst-16343	26	64	is	be	AUX
ajst-16343	26	65	larger	large	ADJ
ajst-16343	26	66	,	,	PUNCT
ajst-16343	26	67	the	the	PRON
ajst-16343	26	68	more	more	ADV
ajst-16343	26	69	curved	curve	VERB
ajst-16343	26	70	the	the	DET
ajst-16343	26	71	exponential	exponential	ADJ
ajst-16343	26	72	asymptotic	asymptotic	ADJ
ajst-16343	26	73	curve	curve	NOUN
ajst-16343	26	74	is	be	AUX
ajst-16343	26	75	,	,	PUNCT
ajst-16343	26	76	the	the	PRON
ajst-16343	26	77	lower	low	ADJ
ajst-16343	26	78	the	the	DET
ajst-16343	26	79	low	low	ADJ
ajst-16343	26	80	frequency	frequency	NOUN
ajst-16343	26	81	cutoff	cutoff	NOUN
ajst-16343	26	82	frequency	frequency	NOUN
ajst-16343	26	83	is	be	AUX
ajst-16343	26	84	,	,	PUNCT
ajst-16343	26	85	and	and	CCONJ
ajst-16343	26	86	the	the	PRON
ajst-16343	26	87	better	well	ADJ
ajst-16343	26	88	the	the	DET
ajst-16343	26	89	antenna	antenna	NOUN
ajst-16343	26	90	's	's	PART
ajst-16343	26	91	low	low	ADJ
ajst-16343	26	92	-	-	PUNCT
ajst-16343	26	93	frequency	frequency	NOUN
ajst-16343	26	94	characteristics	characteristic	NOUN
ajst-16343	26	95	are	be	AUX
ajst-16343	26	96	,	,	PUNCT
ajst-16343	26	97	and	and	CCONJ
ajst-16343	26	98	vice	vice	ADV
ajst-16343	26	99	versa	versa	ADV
ajst-16343	26	100	.	.	PUNCT
ajst-16343	27	1	(	(	PUNCT
ajst-16343	27	2	2	2	X
ajst-16343	27	3	)	)	PUNCT
ajst-16343	27	4	radial	radial	ADJ
ajst-16343	27	5	-	-	PUNCT
ajst-16343	27	6	slot	slot	NOUN
ajst-16343	27	7	line	line	NOUN
ajst-16343	27	8	structure	structure	NOUN
ajst-16343	27	9	vivaldi	vivaldi	PROPN
ajst-16343	27	10	antenna	antenna	NOUN
ajst-16343	27	11	by	by	ADP
ajst-16343	27	12	the	the	DET
ajst-16343	27	13	microstrip	microstrip	NOUN
ajst-16343	27	14	line	line	NOUN
ajst-16343	27	15	to	to	ADP
ajst-16343	27	16	the	the	DET
ajst-16343	27	17	slot	slot	NOUN
ajst-16343	27	18	line	line	NOUN
ajst-16343	27	19	feed	feed	NOUN
ajst-16343	27	20	,	,	PUNCT
ajst-16343	27	21	according	accord	VERB
ajst-16343	27	22	to	to	ADP
ajst-16343	27	23	the	the	DET
ajst-16343	27	24	vivaldi	vivaldi	PROPN
ajst-16343	27	25	antenna	antenna	NOUN
ajst-16343	27	26	principle	principle	NOUN
ajst-16343	27	27	,	,	PUNCT
ajst-16343	27	28	this	this	DET
ajst-16343	27	29	form	form	NOUN
ajst-16343	27	30	of	of	ADP
ajst-16343	27	31	balun	balun	ADJ
ajst-16343	27	32	disadvantage	disadvantage	NOUN
ajst-16343	27	33	is	be	AUX
ajst-16343	27	34	narrow	narrow	ADJ
ajst-16343	27	35	bandwidth	bandwidth	NOUN
ajst-16343	27	36	,	,	PUNCT
ajst-16343	27	37	so	so	SCONJ
ajst-16343	27	38	in	in	ADP
ajst-16343	27	39	order	order	NOUN
ajst-16343	27	40	to	to	PART
ajst-16343	27	41	further	far	ADV
ajst-16343	27	42	broaden	broaden	VERB
ajst-16343	27	43	the	the	DET
ajst-16343	27	44	bandwidth	bandwidth	NOUN
ajst-16343	27	45	of	of	ADP
ajst-16343	27	46	the	the	DET
ajst-16343	27	47	balun	balun	NOUN
ajst-16343	27	48	,	,	PUNCT
ajst-16343	27	49	the	the	DET
ajst-16343	27	50	lower	low	ADJ
ajst-16343	27	51	end	end	NOUN
ajst-16343	27	52	of	of	ADP
ajst-16343	27	53	the	the	DET
ajst-16343	27	54	microstrip	microstrip	NOUN
ajst-16343	27	55	line	line	NOUN
ajst-16343	27	56	to	to	PART
ajst-16343	27	57	extend	extend	VERB
ajst-16343	27	58	the	the	DET
ajst-16343	27	59	branch	branch	NOUN
ajst-16343	27	60	section	section	NOUN
ajst-16343	27	61	into	into	ADP
ajst-16343	27	62	a	a	DET
ajst-16343	27	63	fan	fan	NOUN
ajst-16343	27	64	-	-	PUNCT
ajst-16343	27	65	shaped	shape	VERB
ajst-16343	27	66	short	short	ADJ
ajst-16343	27	67	cut	cut	VERB
ajst-16343	27	68	-	-	PUNCT
ajst-16343	27	69	off	off	ADP
ajst-16343	27	70	line	line	NOUN
ajst-16343	27	71	structure	structure	NOUN
ajst-16343	27	72	,	,	PUNCT
ajst-16343	27	73	so	so	SCONJ
ajst-16343	27	74	as	as	SCONJ
ajst-16343	27	75	to	to	PART
ajst-16343	27	76	make	make	VERB
ajst-16343	27	77	the	the	DET
ajst-16343	27	78	microstrip	microstrip	NOUN
ajst-16343	27	79	line	line	NOUN
ajst-16343	27	80	in	in	ADP
ajst-16343	27	81	the	the	DET
ajst-16343	27	82	wider	wide	ADJ
ajst-16343	27	83	band	band	NOUN
ajst-16343	27	84	to	to	PART
ajst-16343	27	85	maintain	maintain	VERB
ajst-16343	27	86	an	an	DET
ajst-16343	27	87	open	open	ADJ
ajst-16343	27	88	-	-	PUNCT
ajst-16343	27	89	circuit	circuit	NOUN
ajst-16343	27	90	state	state	NOUN
ajst-16343	27	91	.	.	PUNCT
ajst-16343	28	1	the	the	DET
ajst-16343	28	2	extended	extended	ADJ
ajst-16343	28	3	branch	branch	NOUN
ajst-16343	28	4	section	section	NOUN
ajst-16343	28	5	at	at	ADP
ajst-16343	28	6	the	the	DET
ajst-16343	28	7	lower	low	ADJ
ajst-16343	28	8	end	end	NOUN
ajst-16343	28	9	of	of	ADP
ajst-16343	28	10	the	the	DET
ajst-16343	28	11	slotline	slotline	NOUN
ajst-16343	28	12	is	be	AUX
ajst-16343	28	13	converted	convert	VERB
ajst-16343	28	14	into	into	ADP
ajst-16343	28	15	a	a	DET
ajst-16343	28	16	circular	circular	ADJ
ajst-16343	28	17	resonant	resonant	NOUN
ajst-16343	28	18	cavity	cavity	NOUN
ajst-16343	28	19	structure	structure	NOUN
ajst-16343	28	20	,	,	PUNCT
ajst-16343	28	21	which	which	PRON
ajst-16343	28	22	ensures	ensure	VERB
ajst-16343	28	23	that	that	SCONJ
ajst-16343	28	24	the	the	DET
ajst-16343	28	25	end	end	NOUN
ajst-16343	28	26	of	of	ADP
ajst-16343	28	27	the	the	DET
ajst-16343	28	28	slotline	slotline	NOUN
ajst-16343	28	29	remains	remain	VERB
ajst-16343	28	30	short	short	ADV
ajst-16343	28	31	-	-	PUNCT
ajst-16343	28	32	circuited	circuit	VERB
ajst-16343	28	33	over	over	ADP
ajst-16343	28	34	a	a	DET
ajst-16343	28	35	wide	wide	ADJ
ajst-16343	28	36	frequency	frequency	NOUN
ajst-16343	28	37	band[1	band[1	NOUN
ajst-16343	28	38	]	]	PUNCT
ajst-16343	28	39	.	.	PUNCT
ajst-16343	29	1	the	the	DET
ajst-16343	29	2	diameter	diameter	NOUN
ajst-16343	29	3	d	d	PROPN
ajst-16343	29	4	of	of	ADP
ajst-16343	29	5	the	the	DET
ajst-16343	29	6	circular	circular	ADJ
ajst-16343	29	7	resonant	resonant	NOUN
ajst-16343	29	8	cavity	cavity	NOUN
ajst-16343	29	9	is	be	AUX
ajst-16343	29	10	1/4	1/4	NUM
ajst-16343	29	11	of	of	ADP
ajst-16343	29	12	the	the	DET
ajst-16343	29	13	slotline	slotline	NOUN
ajst-16343	29	14	waveguide	waveguide	ADJ
ajst-16343	29	15	wavelength	wavelength	NOUN
ajst-16343	29	16	,	,	PUNCT
ajst-16343	29	17	and	and	CCONJ
ajst-16343	29	18	the	the	DET
ajst-16343	29	19	radius	radius	NOUN
ajst-16343	29	20	of	of	ADP
ajst-16343	29	21	the	the	DET
ajst-16343	29	22	short	short	PROPN
ajst-16343	29	23	fan	fan	NOUN
ajst-16343	29	24	-	-	PUNCT
ajst-16343	29	25	shaped	shape	VERB
ajst-16343	29	26	section	section	NOUN
ajst-16343	29	27	is	be	AUX
ajst-16343	29	28	1/4	1/4	NUM
ajst-16343	29	29	of	of	ADP
ajst-16343	29	30	the	the	DET
ajst-16343	29	31	microstrip	microstrip	NOUN
ajst-16343	29	32	line	line	NOUN
ajst-16343	29	33	waveguide	waveguide	ADJ
ajst-16343	29	34	wavelength	wavelength	NOUN
ajst-16343	29	35	.	.	PUNCT
ajst-16343	30	1	(	(	PUNCT
ajst-16343	30	2	3	3	X
ajst-16343	30	3	)	)	PUNCT
ajst-16343	30	4	1/4	1/4	NUM
ajst-16343	30	5	multi	multi	ADJ
ajst-16343	30	6	-	-	ADJ
ajst-16343	30	7	section	section	ADJ
ajst-16343	30	8	impedance	impedance	NOUN
ajst-16343	30	9	matching	matching	NOUN
ajst-16343	30	10	network	network	NOUN
ajst-16343	30	11	by	by	ADP
ajst-16343	30	12	the	the	DET
ajst-16343	30	13	formula	formula	NOUN
ajst-16343	30	14	of	of	ADP
ajst-16343	30	15	microstrip	microstrip	NOUN
ajst-16343	30	16	line	line	NOUN
ajst-16343	30	17	and	and	CCONJ
ajst-16343	30	18	slot	slot	NOUN
ajst-16343	30	19	line	line	NOUN
ajst-16343	30	20	and	and	CCONJ
ajst-16343	30	21	the	the	DET
ajst-16343	30	22	relationship	relationship	NOUN
ajst-16343	30	23	between	between	ADP
ajst-16343	30	24	microstrip	microstrip	NOUN
ajst-16343	30	25	line	line	NOUN
ajst-16343	30	26	characteristic	characteristic	ADJ
ajst-16343	30	27	impedance	impedance	NOUN
ajst-16343	30	28	and	and	CCONJ
ajst-16343	30	29	slot	slot	NOUN
ajst-16343	30	30	line	line	NOUN
ajst-16343	30	31	characteristic	characteristic	ADJ
ajst-16343	30	32	impedance	impedance	NOUN
ajst-16343	30	33	as	as	SCONJ
ajst-16343	30	34	shown	show	VERB
ajst-16343	30	35	in	in	ADP
ajst-16343	30	36	the	the	DET
ajst-16343	30	37	following	follow	VERB
ajst-16343	30	38	equation	equation	NOUN
ajst-16343	30	39	.	.	PUNCT
ajst-16343	31	1	z	z	NOUN
ajst-16343	31	2	n	n	ADP
ajst-16343	31	3	∗	∗	X
ajst-16343	31	4	z	z	NOUN
ajst-16343	31	5	(	(	PUNCT
ajst-16343	31	6	4	4	NUM
ajst-16343	31	7	)	)	PUNCT
ajst-16343	31	8	where	where	SCONJ
ajst-16343	31	9	,	,	PUNCT
ajst-16343	31	10	n	n	PRON
ajst-16343	31	11	is	be	AUX
ajst-16343	31	12	a	a	DET
ajst-16343	31	13	conversion	conversion	NOUN
ajst-16343	31	14	factor	factor	NOUN
ajst-16343	31	15	of	of	ADP
ajst-16343	31	16	size	size	NOUN
ajst-16343	31	17	.	.	PUNCT
ajst-16343	32	1	n	n	DET
ajst-16343	32	2	cos（2πud	cos（2πud	PROPN
ajst-16343	32	3	/	/	SYM
ajst-16343	32	4	λ	λ	PROPN
ajst-16343	32	5	）	）	PUNCT
ajst-16343	32	6	cot（q）sin（2πud	cot（q）sin（2πud	PROPN
ajst-16343	32	7	/	/	SYM
ajst-16343	32	8	λ	λ	X
ajst-16343	32	9	）	）	PUNCT
ajst-16343	32	10	(	(	PUNCT
ajst-16343	32	11	5	5	NUM
ajst-16343	32	12	)	)	PUNCT
ajst-16343	32	13	q	q	NOUN
ajst-16343	32	14	2πud	2πud	NUM
ajst-16343	32	15	/	/	SYM
ajst-16343	32	16	λ	λ	PROPN
ajst-16343	32	17	tan	tan	NOUN
ajst-16343	32	18	(	(	PUNCT
ajst-16343	32	19	6	6	NUM
ajst-16343	32	20	)	)	PUNCT
ajst-16343	32	21	u	u	NOUN
ajst-16343	32	22	ε	ε	PROPN
ajst-16343	32	23	λ	λ	X
ajst-16343	32	24	/λ	/λ	X
ajst-16343	32	25	(	(	PUNCT
ajst-16343	32	26	7	7	NUM
ajst-16343	32	27	)	)	PUNCT
ajst-16343	32	28	v	v	NOUN
ajst-16343	32	29	λ	λ	PROPN
ajst-16343	32	30	/λ	/λ	NOUN
ajst-16343	32	31	1	1	NUM
ajst-16343	32	32	(	(	PUNCT
ajst-16343	32	33	8)	8)	NUM
ajst-16343	32	34	according	accord	VERB
ajst-16343	32	35	to	to	ADP
ajst-16343	32	36	the	the	DET
ajst-16343	32	37	theory	theory	NOUN
ajst-16343	32	38	of	of	ADP
ajst-16343	32	39	small	small	ADJ
ajst-16343	32	40	reflections	reflection	NOUN
ajst-16343	32	41	,	,	PUNCT
ajst-16343	32	42	this	this	DET
ajst-16343	32	43	paper	paper	NOUN
ajst-16343	32	44	uses	use	VERB
ajst-16343	32	45	a	a	DET
ajst-16343	32	46	multi	multi	ADJ
ajst-16343	32	47	-	-	ADJ
ajst-16343	32	48	section	section	ADJ
ajst-16343	32	49	chebyshev	chebyshev	NOUN
ajst-16343	32	50	impedance	impedance	NOUN
ajst-16343	32	51	converter	converter	NOUN
ajst-16343	32	52	with	with	ADP
ajst-16343	32	53	reflection	reflection	NOUN
ajst-16343	32	54	coefficients	coefficient	NOUN
ajst-16343	32	55	,	,	PUNCT
ajst-16343	32	56	as	as	ADP
ajst-16343	32	57	in	in	ADP
ajst-16343	32	58	the	the	DET
ajst-16343	32	59	following	follow	VERB
ajst-16343	32	60	equation	equation	NOUN
ajst-16343	32	61	:	:	PUNCT
ajst-16343	32	62	γ（θ	γ（θ	PUNCT
ajst-16343	32	63	）	）	PROPN
ajst-16343	32	64	2e	2e	PROPN
ajst-16343	32	65	γ	γ	PROPN
ajst-16343	32	66	cosnθ	cosnθ	PROPN
ajst-16343	32	67	γ	γ	PROPN
ajst-16343	32	68	cos	cos	PROPN
ajst-16343	32	69	n	n	PROPN
ajst-16343	32	70	2	2	NUM
ajst-16343	32	71	θ	θ	NOUN
ajst-16343	32	72	.	.	PUNCT
ajst-16343	32	73	.	.	PUNCT
ajst-16343	32	74	.	.	PUNCT
ajst-16343	32	75	.	.	PUNCT
ajst-16343	32	76	.	.	PUNCT
ajst-16343	32	77	.	.	PUNCT
ajst-16343	33	1	γ	γ	PROPN
ajst-16343	33	2	cos	cos	PROPN
ajst-16343	33	3	n	n	PROPN
ajst-16343	33	4	2n	2n	NUM
ajst-16343	33	5	θ	θ	PROPN
ajst-16343	33	6	.	.	PUNCT
ajst-16343	33	7	.	.	PUNCT
ajst-16343	33	8	.	.	PUNCT
ajst-16343	34	1	ae	ae	PROPN
ajst-16343	34	2	t	t	PROPN
ajst-16343	34	3	secθ	secθ	PROPN
ajst-16343	34	4	cosθ	cosθ	PROPN
ajst-16343	34	5	.	.	PUNCT
ajst-16343	35	1	when	when	SCONJ
ajst-16343	35	2	designing	design	VERB
ajst-16343	35	3	a	a	DET
ajst-16343	35	4	chebyshev	chebyshev	NOUN
ajst-16343	35	5	multinode	multinode	PROPN
ajst-16343	35	6	impedance	impedance	NOUN
ajst-16343	35	7	converter	converter	NOUN
ajst-16343	35	8	,	,	PUNCT
ajst-16343	35	9	the	the	DET
ajst-16343	35	10	coefficients	coefficient	NOUN
ajst-16343	35	11	of	of	ADP
ajst-16343	35	12	the	the	DET
ajst-16343	35	13	polynomial	polynomial	ADJ
ajst-16343	35	14	(	(	PUNCT
ajst-16343	35	15	|a|	|a|	NOUN
ajst-16343	35	16	)	)	PUNCT
ajst-16343	35	17	are	be	AUX
ajst-16343	35	18	first	first	ADV
ajst-16343	35	19	determined	determine	VERB
ajst-16343	35	20	based	base	VERB
ajst-16343	35	21	on	on	ADP
ajst-16343	35	22	the	the	DET
ajst-16343	35	23	maximum	maximum	ADJ
ajst-16343	35	24	reflection	reflection	NOUN
ajst-16343	35	25	coefficient	coefficient	NOUN
ajst-16343	35	26	(	(	PUNCT
ajst-16343	35	27	γm	γm	X
ajst-16343	35	28	)	)	PUNCT
ajst-16343	35	29	allowed	allow	VERB
ajst-16343	35	30	in	in	ADP
ajst-16343	35	31	the	the	DET
ajst-16343	35	32	passband	passband	NOUN
ajst-16343	35	33	.	.	PUNCT
ajst-16343	36	1	γ	γ	PROPN
ajst-16343	36	2	|a|	|a|	PROPN
ajst-16343	36	3	(	(	PUNCT
ajst-16343	36	4	9	9	NUM
ajst-16343	36	5	)	)	PUNCT
ajst-16343	36	6	the	the	DET
ajst-16343	36	7	number	number	NOUN
ajst-16343	36	8	of	of	ADP
ajst-16343	36	9	matching	matching	NOUN
ajst-16343	36	10	sections	section	NOUN
ajst-16343	36	11	n	n	CCONJ
ajst-16343	36	12	is	be	AUX
ajst-16343	36	13	found	find	VERB
ajst-16343	36	14	according	accord	VERB
ajst-16343	36	15	to	to	ADP
ajst-16343	36	16	the	the	DET
ajst-16343	36	17	following	follow	VERB
ajst-16343	36	18	equation	equation	NOUN
ajst-16343	36	19	:	:	PUNCT
ajst-16343	37	1	θ	θ	X
ajst-16343	37	2	（	（	PUNCT
ajst-16343	37	3	/	/	SYM
ajst-16343	37	4	）	）	PUNCT
ajst-16343	37	5	(	(	PUNCT
ajst-16343	37	6	10	10	NUM
ajst-16343	37	7	)	)	PUNCT
ajst-16343	37	8	secθ	secθ	NOUN
ajst-16343	37	9	=	=	NOUN
ajst-16343	37	10	cosh	cosh	NOUN
ajst-16343	37	11	*	*	NOUN
ajst-16343	37	12	[	[	PUNCT
ajst-16343	37	13	cosh	cosh	NOUN
ajst-16343	37	14	/	/	SYM
ajst-16343	37	15	]	]	X
ajst-16343	37	16	(	(	PUNCT
ajst-16343	37	17	11	11	NUM
ajst-16343	37	18	)	)	PUNCT
ajst-16343	37	19	in	in	ADP
ajst-16343	37	20	the	the	DET
ajst-16343	37	21	formula	formula	NOUN
ajst-16343	37	22	,	,	PUNCT
ajst-16343	37	23	z	z	PROPN
ajst-16343	37	24	represents	represent	VERB
ajst-16343	37	25	the	the	DET
ajst-16343	37	26	load	load	NOUN
ajst-16343	37	27	impedance	impedance	NOUN
ajst-16343	37	28	,	,	PUNCT
ajst-16343	37	29	and	and	CCONJ
ajst-16343	37	30	z	z	NOUN
ajst-16343	37	31	represents	represent	VERB
ajst-16343	37	32	the	the	DET
ajst-16343	37	33	input	input	NOUN
ajst-16343	37	34	impedance	impedance	NOUN
ajst-16343	37	35	,	,	PUNCT
ajst-16343	37	36	i.e.	i.e.	X
ajst-16343	37	37	50ω	50ω	X
ajst-16343	37	38	.	.	PUNCT
ajst-16343	38	1	find	find	VERB
ajst-16343	38	2	the	the	DET
ajst-16343	38	3	impedance	impedance	NOUN
ajst-16343	38	4	of	of	ADP
ajst-16343	38	5	each	each	DET
ajst-16343	38	6	section	section	NOUN
ajst-16343	38	7	in	in	ADP
ajst-16343	38	8	turn	turn	NOUN
ajst-16343	38	9	based	base	VERB
ajst-16343	38	10	on	on	ADP
ajst-16343	38	11	the	the	DET
ajst-16343	38	12	following	follow	VERB
ajst-16343	38	13	equation	equation	NOUN
ajst-16343	38	14	:	:	PUNCT
ajst-16343	38	15	γ	γ	X
ajst-16343	38	16	ln	ln	X
ajst-16343	38	17	(	(	PUNCT
ajst-16343	38	18	12	12	NUM
ajst-16343	38	19	)	)	PUNCT
ajst-16343	38	20	in	in	ADP
ajst-16343	38	21	this	this	DET
ajst-16343	38	22	paper	paper	NOUN
ajst-16343	38	23	,	,	PUNCT
ajst-16343	38	24	n	n	NOUN
ajst-16343	38	25	=	=	SYM
ajst-16343	38	26	4	4	NUM
ajst-16343	38	27	is	be	AUX
ajst-16343	38	28	obtained	obtain	VERB
ajst-16343	38	29	,	,	PUNCT
ajst-16343	38	30	so	so	CCONJ
ajst-16343	38	31	the	the	DET
ajst-16343	38	32	physical	physical	ADJ
ajst-16343	38	33	dimensions	dimension	NOUN
ajst-16343	38	34	of	of	ADP
ajst-16343	38	35	the	the	DET
ajst-16343	38	36	conventional	conventional	ADJ
ajst-16343	38	37	vivaldi	vivaldi	PROPN
ajst-16343	38	38	antenna	antenna	NOUN
ajst-16343	38	39	are	be	AUX
ajst-16343	38	40	shown	show	VERB
ajst-16343	38	41	in	in	ADP
ajst-16343	38	42	table	table	NOUN
ajst-16343	38	43	1	1	NUM
ajst-16343	38	44	,	,	PUNCT
ajst-16343	38	45	with	with	ADP
ajst-16343	38	46	length	length	NOUN
ajst-16343	38	47	in	in	ADP
ajst-16343	38	48	mm	mm	PROPN
ajst-16343	38	49	.	.	PUNCT
ajst-16343	38	50	table	table	NOUN
ajst-16343	38	51	1	1	NUM
ajst-16343	38	52	.	.	PUNCT
ajst-16343	38	53	vivaldi	vivaldi	PROPN
ajst-16343	38	54	antenna	antenna	NOUN
ajst-16343	38	55	unit	unit	NOUN
ajst-16343	38	56	dimensions	dimension	NOUN
ajst-16343	38	57	l	l	PROPN
ajst-16343	38	58	w	w	PROPN
ajst-16343	38	59	r1	r1	PROPN
ajst-16343	38	60	r2	r2	PROPN
ajst-16343	38	61	h	h	PROPN
ajst-16343	38	62	l_c	l_c	PUNCT
ajst-16343	39	1	l_1	l_1	PROPN
ajst-16343	39	2	w_1	w_1	VERB
ajst-16343	39	3	26.017	26.017	NUM
ajst-16343	39	4	14.05	14.05	NUM
ajst-16343	39	5	1.5	1.5	NUM
ajst-16343	39	6	2.39	2.39	NUM
ajst-16343	39	7	0.5008	0.5008	NUM
ajst-16343	39	8	1.5	1.5	NUM
ajst-16343	39	9	2.1625	2.1625	NUM
ajst-16343	39	10	1.152	1.152	NUM
ajst-16343	39	11	w_2	w_2	PROPN
ajst-16343	39	12	l_3	l_3	NOUN
ajst-16343	39	13	w_3	w_3	PROPN
ajst-16343	39	14	l_4	l_4	PROPN
ajst-16343	39	15	w_4	w_4	VERB
ajst-16343	39	16	r	r	NOUN
ajst-16343	39	17	w_c	w_c	PUNCT
ajst-16343	39	18	l_2	l_2	NOUN
ajst-16343	39	19	0.7512	0.7512	NUM
ajst-16343	39	20	2.2275	2.2275	NUM
ajst-16343	39	21	0.4	0.4	NUM
ajst-16343	39	22	2.25	2.25	NUM
ajst-16343	39	23	0.39	0.39	NUM
ajst-16343	39	24	0.2	0.2	NUM
ajst-16343	39	25	0.2	0.2	NUM
ajst-16343	39	26	2.1925	2.1925	NUM
ajst-16343	39	27	2.2	2.2	NUM
ajst-16343	39	28	.	.	PUNCT
ajst-16343	40	1	high	high	ADJ
ajst-16343	40	2	gain	gain	NOUN
ajst-16343	40	3	24	24	NUM
ajst-16343	40	4	ghz	ghz	NOUN
ajst-16343	40	5	vivaldi	vivaldi	PROPN
ajst-16343	40	6	antenna	antenna	NOUN
ajst-16343	40	7	unit	unit	NOUN
ajst-16343	40	8	design	design	NOUN
ajst-16343	40	9	and	and	CCONJ
ajst-16343	40	10	simulation	simulation	NOUN
ajst-16343	40	11	a	a	DET
ajst-16343	40	12	forward	forward	ADV
ajst-16343	40	13	trapezoidal	trapezoidal	ADJ
ajst-16343	40	14	deflector	deflector	NOUN
ajst-16343	40	15	is	be	AUX
ajst-16343	40	16	added	add	VERB
ajst-16343	40	17	to	to	ADP
ajst-16343	40	18	the	the	DET
ajst-16343	40	19	radiating	radiating	NOUN
ajst-16343	40	20	port	port	NOUN
ajst-16343	40	21	of	of	ADP
ajst-16343	40	22	the	the	DET
ajst-16343	40	23	original	original	ADJ
ajst-16343	40	24	vivaldi	vivaldi	PROPN
ajst-16343	40	25	antenna	antenna	NOUN
ajst-16343	40	26	unit	unit	NOUN
ajst-16343	40	27	,	,	PUNCT
ajst-16343	40	28	as	as	SCONJ
ajst-16343	40	29	shown	show	VERB
ajst-16343	40	30	in	in	ADP
ajst-16343	40	31	figure	figure	NOUN
ajst-16343	40	32	2	2	NUM
ajst-16343	40	33	.	.	PUNCT
ajst-16343	41	1	the	the	DET
ajst-16343	41	2	addition	addition	NOUN
ajst-16343	41	3	of	of	ADP
ajst-16343	41	4	the	the	DET
ajst-16343	41	5	pilot	pilot	NOUN
ajst-16343	41	6	structure	structure	NOUN
ajst-16343	41	7	is	be	AUX
ajst-16343	41	8	known	know	VERB
ajst-16343	41	9	to	to	PART
ajst-16343	41	10	enhance	enhance	VERB
ajst-16343	41	11	the	the	DET
ajst-16343	41	12	167	167	NUM
ajst-16343	41	13	surface	surface	NOUN
ajst-16343	41	14	current	current	NOUN
ajst-16343	41	15	at	at	ADP
ajst-16343	41	16	the	the	DET
ajst-16343	41	17	radiating	radiating	NOUN
ajst-16343	41	18	port	port	NOUN
ajst-16343	41	19	and	and	CCONJ
ajst-16343	41	20	increase	increase	VERB
ajst-16343	41	21	the	the	DET
ajst-16343	41	22	gain	gain	NOUN
ajst-16343	41	23	of	of	ADP
ajst-16343	41	24	the	the	DET
ajst-16343	41	25	vivaldi	vivaldi	PROPN
ajst-16343	41	26	antenna	antenna	NOUN
ajst-16343	41	27	unit	unit	NOUN
ajst-16343	41	28	.	.	PUNCT
ajst-16343	42	1	in	in	ADP
ajst-16343	42	2	this	this	DET
ajst-16343	42	3	paper	paper	NOUN
ajst-16343	42	4	,	,	PUNCT
ajst-16343	42	5	the	the	DET
ajst-16343	42	6	addition	addition	NOUN
ajst-16343	42	7	of	of	ADP
ajst-16343	42	8	a	a	DET
ajst-16343	42	9	positive	positive	ADJ
ajst-16343	42	10	trapezoidal	trapezoidal	ADJ
ajst-16343	42	11	dielectric	dielectric	ADJ
ajst-16343	42	12	plate	plate	NOUN
ajst-16343	42	13	at	at	ADP
ajst-16343	42	14	the	the	DET
ajst-16343	42	15	radiating	radiating	NOUN
ajst-16343	42	16	port	port	NOUN
ajst-16343	42	17	can	can	AUX
ajst-16343	42	18	limit	limit	VERB
ajst-16343	42	19	the	the	DET
ajst-16343	42	20	radiation	radiation	NOUN
ajst-16343	42	21	direction	direction	NOUN
ajst-16343	42	22	of	of	ADP
ajst-16343	42	23	the	the	DET
ajst-16343	42	24	surface	surface	NOUN
ajst-16343	42	25	current	current	NOUN
ajst-16343	42	26	at	at	ADP
ajst-16343	42	27	the	the	DET
ajst-16343	42	28	port	port	NOUN
ajst-16343	42	29	to	to	ADP
ajst-16343	42	30	the	the	DET
ajst-16343	42	31	antenna	antenna	NOUN
ajst-16343	42	32	,	,	PUNCT
ajst-16343	42	33	thus	thus	ADV
ajst-16343	42	34	enhancing	enhance	VERB
ajst-16343	42	35	the	the	DET
ajst-16343	42	36	gain	gain	NOUN
ajst-16343	42	37	of	of	ADP
ajst-16343	42	38	the	the	DET
ajst-16343	42	39	antenna	antenna	NOUN
ajst-16343	42	40	unit	unit	NOUN
ajst-16343	42	41	.	.	PUNCT
ajst-16343	43	1	using	use	VERB
ajst-16343	43	2	the	the	DET
ajst-16343	43	3	parameter	parameter	NOUN
ajst-16343	43	4	optimization	optimization	NOUN
ajst-16343	43	5	function	function	NOUN
ajst-16343	43	6	of	of	ADP
ajst-16343	43	7	the	the	DET
ajst-16343	43	8	hfss	hfss	NOUN
ajst-16343	43	9	software	software	NOUN
ajst-16343	43	10	,	,	PUNCT
ajst-16343	43	11	the	the	DET
ajst-16343	43	12	size	size	NOUN
ajst-16343	43	13	parameter	parameter	NOUN
ajst-16343	43	14	of	of	ADP
ajst-16343	43	15	w_4	w_4	PROPN
ajst-16343	43	16	was	be	AUX
ajst-16343	43	17	determined	determine	VERB
ajst-16343	43	18	to	to	PART
ajst-16343	43	19	be	be	AUX
ajst-16343	43	20	0.39	0.39	NUM
ajst-16343	43	21	mm	mm	NOUN
ajst-16343	43	22	,	,	PUNCT
ajst-16343	43	23	and	and	CCONJ
ajst-16343	43	24	its	its	PRON
ajst-16343	43	25	physical	physical	ADJ
ajst-16343	43	26	dimensions	dimension	NOUN
ajst-16343	43	27	are	be	AUX
ajst-16343	43	28	shown	show	VERB
ajst-16343	43	29	in	in	ADP
ajst-16343	43	30	table	table	NOUN
ajst-16343	43	31	ii	ii	PROPN
ajst-16343	43	32	in	in	ADP
ajst-16343	43	33	mm	mm	PROPN
ajst-16343	43	34	.	.	PUNCT
ajst-16343	44	1	(	(	PUNCT
ajst-16343	44	2	1	1	X
ajst-16343	44	3	)	)	PUNCT
ajst-16343	44	4	top	top	ADJ
ajst-16343	44	5	view	view	NOUN
ajst-16343	44	6	(	(	PUNCT
ajst-16343	44	7	2	2	NUM
ajst-16343	44	8	)	)	PUNCT
ajst-16343	44	9	main	main	ADJ
ajst-16343	44	10	view	view	NOUN
ajst-16343	44	11	figure	figure	NOUN
ajst-16343	44	12	2	2	NUM
ajst-16343	44	13	.	.	PUNCT
ajst-16343	44	14	new	new	ADJ
ajst-16343	44	15	vivaldi	vivaldi	PROPN
ajst-16343	44	16	antenna	antenna	NOUN
ajst-16343	44	17	unit	unit	NOUN
ajst-16343	44	18	table	table	NOUN
ajst-16343	44	19	2	2	NUM
ajst-16343	44	20	.	.	PUNCT
ajst-16343	44	21	dimensions	dimension	NOUN
ajst-16343	44	22	of	of	ADP
ajst-16343	44	23	trapezoidal	trapezoidal	ADJ
ajst-16343	44	24	media	medium	NOUN
ajst-16343	44	25	structures	structure	NOUN
ajst-16343	44	26	θ	θ	X
ajst-16343	44	27	l_t	l_t	PUNCT
ajst-16343	44	28	w_t	w_t	NUM
ajst-16343	45	1	h_t	h_t	PROPN
ajst-16343	45	2	15	15	NUM
ajst-16343	45	3	°	°	NUM
ajst-16343	45	4	17.16	17.16	NUM
ajst-16343	45	5	3.5008	3.5008	NUM
ajst-16343	45	6	5.6	5.6	NUM
ajst-16343	45	7	using	use	VERB
ajst-16343	45	8	hfss	hfss	NOUN
ajst-16343	45	9	software	software	NOUN
ajst-16343	45	10	,	,	PUNCT
ajst-16343	45	11	a	a	DET
ajst-16343	45	12	50	50	NUM
ajst-16343	45	13	ω	ω	NUM
ajst-16343	45	14	collector	collector	NOUN
ajst-16343	45	15	port	port	NOUN
ajst-16343	45	16	is	be	AUX
ajst-16343	45	17	added	add	VERB
ajst-16343	45	18	at	at	ADP
ajst-16343	45	19	the	the	DET
ajst-16343	45	20	excitation	excitation	NOUN
ajst-16343	45	21	source	source	NOUN
ajst-16343	45	22	,	,	PUNCT
ajst-16343	45	23	and	and	CCONJ
ajst-16343	45	24	the	the	DET
ajst-16343	45	25	surface	surface	NOUN
ajst-16343	45	26	current	current	ADJ
ajst-16343	45	27	simulation	simulation	NOUN
ajst-16343	45	28	analysis	analysis	NOUN
ajst-16343	45	29	of	of	ADP
ajst-16343	45	30	the	the	DET
ajst-16343	45	31	original	original	ADJ
ajst-16343	45	32	vivaldi	vivaldi	PROPN
ajst-16343	45	33	antenna	antenna	NOUN
ajst-16343	45	34	cell	cell	NOUN
ajst-16343	45	35	and	and	CCONJ
ajst-16343	45	36	the	the	DET
ajst-16343	45	37	new	new	ADJ
ajst-16343	45	38	vivaldi	vivaldi	PROPN
ajst-16343	45	39	antenna	antenna	NOUN
ajst-16343	45	40	cell	cell	NOUN
ajst-16343	45	41	are	be	AUX
ajst-16343	45	42	carried	carry	VERB
ajst-16343	45	43	out	out	ADP
ajst-16343	45	44	respectively	respectively	ADV
ajst-16343	45	45	,	,	PUNCT
ajst-16343	45	46	and	and	CCONJ
ajst-16343	45	47	it	it	PRON
ajst-16343	45	48	can	can	AUX
ajst-16343	45	49	be	be	AUX
ajst-16343	45	50	found	find	VERB
ajst-16343	45	51	that	that	SCONJ
ajst-16343	45	52	the	the	DET
ajst-16343	45	53	currents	current	NOUN
ajst-16343	45	54	of	of	ADP
ajst-16343	45	55	the	the	DET
ajst-16343	45	56	radiating	radiating	NOUN
ajst-16343	45	57	cell	cell	NOUN
ajst-16343	45	58	are	be	AUX
ajst-16343	45	59	mainly	mainly	ADV
ajst-16343	45	60	distributed	distribute	VERB
ajst-16343	45	61	in	in	ADP
ajst-16343	45	62	the	the	DET
ajst-16343	45	63	vicinity	vicinity	NOUN
ajst-16343	45	64	of	of	ADP
ajst-16343	45	65	the	the	DET
ajst-16343	45	66	tapering	tapering	NOUN
ajst-16343	45	67	slot	slot	NOUN
ajst-16343	45	68	,	,	PUNCT
ajst-16343	45	69	which	which	PRON
ajst-16343	45	70	is	be	AUX
ajst-16343	45	71	in	in	ADP
ajst-16343	45	72	accordance	accordance	NOUN
ajst-16343	45	73	with	with	ADP
ajst-16343	45	74	the	the	DET
ajst-16343	45	75	principle	principle	NOUN
ajst-16343	45	76	.	.	PUNCT
ajst-16343	46	1	surface	surface	NOUN
ajst-16343	46	2	current	current	ADJ
ajst-16343	46	3	simulation	simulation	NOUN
ajst-16343	46	4	distribution	distribution	NOUN
ajst-16343	46	5	is	be	AUX
ajst-16343	46	6	obtained	obtain	VERB
ajst-16343	46	7	figure	figure	NOUN
ajst-16343	46	8	3	3	NUM
ajst-16343	46	9	.	.	PUNCT
ajst-16343	47	1	from	from	ADP
ajst-16343	47	2	figure	figure	NOUN
ajst-16343	47	3	3	3	NUM
ajst-16343	47	4	,	,	PUNCT
ajst-16343	47	5	it	it	PRON
ajst-16343	47	6	can	can	AUX
ajst-16343	47	7	be	be	AUX
ajst-16343	47	8	found	find	VERB
ajst-16343	47	9	that	that	SCONJ
ajst-16343	47	10	the	the	DET
ajst-16343	47	11	current	current	ADJ
ajst-16343	47	12	strength	strength	NOUN
ajst-16343	47	13	of	of	ADP
ajst-16343	47	14	the	the	DET
ajst-16343	47	15	original	original	ADJ
ajst-16343	47	16	vivaldi	vivaldi	ADJ
ajst-16343	47	17	antenna	antenna	NOUN
ajst-16343	47	18	(	(	PUNCT
ajst-16343	47	19	b	b	NOUN
ajst-16343	47	20	)	)	PUNCT
ajst-16343	47	21	at	at	ADP
ajst-16343	47	22	the	the	DET
ajst-16343	47	23	radiating	radiating	NOUN
ajst-16343	47	24	port	port	NOUN
ajst-16343	47	25	is	be	AUX
ajst-16343	47	26	relatively	relatively	ADV
ajst-16343	47	27	weak	weak	ADJ
ajst-16343	47	28	.	.	PUNCT
ajst-16343	48	1	it	it	PRON
ajst-16343	48	2	can	can	AUX
ajst-16343	48	3	be	be	AUX
ajst-16343	48	4	found	find	VERB
ajst-16343	48	5	that	that	SCONJ
ajst-16343	48	6	the	the	DET
ajst-16343	48	7	current	current	ADJ
ajst-16343	48	8	strength	strength	NOUN
ajst-16343	48	9	of	of	ADP
ajst-16343	48	10	the	the	DET
ajst-16343	48	11	new	new	ADJ
ajst-16343	48	12	vivaldi	vivaldi	PROPN
ajst-16343	48	13	antenna	antenna	NOUN
ajst-16343	48	14	(	(	PUNCT
ajst-16343	48	15	a	a	X
ajst-16343	48	16	)	)	PUNCT
ajst-16343	48	17	at	at	ADP
ajst-16343	48	18	the	the	DET
ajst-16343	48	19	radiating	radiating	NOUN
ajst-16343	48	20	port	port	NOUN
ajst-16343	48	21	is	be	AUX
ajst-16343	48	22	significantly	significantly	ADV
ajst-16343	48	23	enhanced	enhance	VERB
ajst-16343	48	24	after	after	ADP
ajst-16343	48	25	the	the	DET
ajst-16343	48	26	addition	addition	NOUN
ajst-16343	48	27	of	of	ADP
ajst-16343	48	28	the	the	DET
ajst-16343	48	29	trapezoidal	trapezoidal	ADJ
ajst-16343	48	30	dielectric	dielectric	ADJ
ajst-16343	48	31	structure	structure	NOUN
ajst-16343	48	32	,	,	PUNCT
ajst-16343	48	33	so	so	SCONJ
ajst-16343	48	34	it	it	PRON
ajst-16343	48	35	can	can	AUX
ajst-16343	48	36	be	be	AUX
ajst-16343	48	37	concluded	conclude	VERB
ajst-16343	48	38	that	that	SCONJ
ajst-16343	48	39	after	after	ADP
ajst-16343	48	40	the	the	DET
ajst-16343	48	41	addition	addition	NOUN
ajst-16343	48	42	of	of	ADP
ajst-16343	48	43	the	the	DET
ajst-16343	48	44	trapezoidal	trapezoidal	ADJ
ajst-16343	48	45	dielectric	dielectric	ADJ
ajst-16343	48	46	structure	structure	NOUN
ajst-16343	48	47	,	,	PUNCT
ajst-16343	48	48	the	the	DET
ajst-16343	48	49	surface	surface	NOUN
ajst-16343	48	50	currents	current	NOUN
ajst-16343	48	51	are	be	AUX
ajst-16343	48	52	concentrated	concentrate	VERB
ajst-16343	48	53	at	at	ADP
ajst-16343	48	54	the	the	DET
ajst-16343	48	55	radiating	radiate	VERB
ajst-16343	48	56	port	port	NOUN
ajst-16343	48	57	of	of	ADP
ajst-16343	48	58	the	the	DET
ajst-16343	48	59	antenna	antenna	NOUN
ajst-16343	48	60	,	,	PUNCT
ajst-16343	48	61	which	which	PRON
ajst-16343	48	62	enhances	enhance	VERB
ajst-16343	48	63	the	the	DET
ajst-16343	48	64	antenna	antenna	NOUN
ajst-16343	48	65	's	's	PART
ajst-16343	48	66	radiating	radiate	VERB
ajst-16343	48	67	characteristics	characteristic	NOUN
ajst-16343	48	68	and	and	CCONJ
ajst-16343	48	69	improves	improve	VERB
ajst-16343	48	70	the	the	DET
ajst-16343	48	71	antenna	antenna	NOUN
ajst-16343	48	72	unit	unit	NOUN
ajst-16343	48	73	's	's	PART
ajst-16343	48	74	gain	gain	NOUN
ajst-16343	48	75	.	.	PUNCT
ajst-16343	49	1	(	(	PUNCT
ajst-16343	49	2	a	a	X
ajst-16343	49	3	)	)	PUNCT
ajst-16343	49	4	original	original	ADJ
ajst-16343	49	5	vivaldi	vivaldi	PROPN
ajst-16343	49	6	antenn	antenn	PROPN
ajst-16343	49	7	(	(	PUNCT
ajst-16343	49	8	b	b	NOUN
ajst-16343	49	9	)	)	PUNCT
ajst-16343	49	10	new	new	ADJ
ajst-16343	49	11	vivaldi	vivaldi	PROPN
ajst-16343	49	12	antenna	antenna	NOUN
ajst-16343	49	13	figure	figure	NOUN
ajst-16343	49	14	3	3	NUM
ajst-16343	49	15	.	.	NOUN
ajst-16343	49	16	comparison	comparison	NOUN
ajst-16343	49	17	of	of	ADP
ajst-16343	49	18	surface	surface	NOUN
ajst-16343	49	19	current	current	ADJ
ajst-16343	49	20	simulation	simulation	NOUN
ajst-16343	49	21	comparing	compare	VERB
ajst-16343	49	22	with	with	ADP
ajst-16343	49	23	the	the	DET
ajst-16343	49	24	s	s	NOUN
ajst-16343	49	25	-	-	NOUN
ajst-16343	49	26	parameters	parameter	NOUN
ajst-16343	49	27	and	and	CCONJ
ajst-16343	49	28	gain	gain	VERB
ajst-16343	49	29	characteristics	characteristic	NOUN
ajst-16343	49	30	of	of	ADP
ajst-16343	49	31	the	the	DET
ajst-16343	49	32	original	original	ADJ
ajst-16343	49	33	vivaldi	vivaldi	PROPN
ajst-16343	49	34	antenna	antenna	NOUN
ajst-16343	49	35	unit	unit	NOUN
ajst-16343	49	36	,	,	PUNCT
ajst-16343	49	37	the	the	DET
ajst-16343	49	38	s	s	NOUN
ajst-16343	49	39	-	-	PUNCT
ajst-16343	49	40	parameter	parameter	NOUN
ajst-16343	49	41	simulation	simulation	NOUN
ajst-16343	49	42	results	result	NOUN
ajst-16343	49	43	are	be	AUX
ajst-16343	49	44	obtained	obtain	VERB
ajst-16343	49	45	as	as	SCONJ
ajst-16343	49	46	shown	show	VERB
ajst-16343	49	47	in	in	ADP
ajst-16343	49	48	fig	fig	NOUN
ajst-16343	49	49	.	.	PUNCT
ajst-16343	50	1	4	4	NUM
ajst-16343	50	2	,	,	PUNCT
ajst-16343	50	3	and	and	CCONJ
ajst-16343	50	4	it	it	PRON
ajst-16343	50	5	can	can	AUX
ajst-16343	50	6	be	be	AUX
ajst-16343	50	7	observed	observe	VERB
ajst-16343	50	8	that	that	SCONJ
ajst-16343	50	9	the	the	DET
ajst-16343	50	10	return	return	NOUN
ajst-16343	50	11	loss	loss	NOUN
ajst-16343	50	12	of	of	ADP
ajst-16343	50	13	the	the	DET
ajst-16343	50	14	new	new	ADJ
ajst-16343	50	15	vivaldi	vivaldi	PROPN
ajst-16343	50	16	antenna	antenna	NOUN
ajst-16343	50	17	is	be	AUX
ajst-16343	50	18	less	less	ADJ
ajst-16343	50	19	than	than	ADP
ajst-16343	50	20	-10db	-10db	PROPN
ajst-16343	50	21	in	in	ADP
ajst-16343	50	22	the	the	DET
ajst-16343	50	23	bandwidth	bandwidth	NOUN
ajst-16343	50	24	of	of	ADP
ajst-16343	50	25	20ghz-26.4ghz	20ghz-26.4ghz	NUM
ajst-16343	50	26	,	,	PUNCT
ajst-16343	50	27	and	and	CCONJ
ajst-16343	50	28	even	even	ADV
ajst-16343	50	29	less	less	ADJ
ajst-16343	50	30	than	than	ADP
ajst-16343	50	31	-15db	-15db	PROPN
ajst-16343	50	32	in	in	ADP
ajst-16343	50	33	the	the	DET
ajst-16343	50	34	bandwidth	bandwidth	NOUN
ajst-16343	50	35	of	of	ADP
ajst-16343	50	36	21.5ghz-24.9ghz	21.5ghz-24.9ghz	NUM
ajst-16343	50	37	,	,	PUNCT
ajst-16343	50	38	and	and	CCONJ
ajst-16343	50	39	reaches	reach	VERB
ajst-16343	50	40	-26.2db	-26.2db	PRON
ajst-16343	50	41	in	in	ADP
ajst-16343	50	42	the	the	DET
ajst-16343	50	43	frequency	frequency	NOUN
ajst-16343	50	44	of	of	ADP
ajst-16343	50	45	23.3	23.3	NUM
ajst-16343	50	46	at	at	ADP
ajst-16343	50	47	23.3	23.3	NUM
ajst-16343	50	48	ghz	ghz	NOUN
ajst-16343	50	49	,	,	PUNCT
ajst-16343	50	50	it	it	PRON
ajst-16343	50	51	reaches	reach	VERB
ajst-16343	50	52	-26.2	-26.2	PROPN
ajst-16343	50	53	db	db	PROPN
ajst-16343	50	54	;	;	PUNCT
ajst-16343	50	55	compared	compare	VERB
ajst-16343	50	56	with	with	ADP
ajst-16343	50	57	the	the	DET
ajst-16343	50	58	original	original	ADJ
ajst-16343	50	59	vivaldi	vivaldi	ADJ
ajst-16343	50	60	antenna	antenna	NOUN
ajst-16343	50	61	,	,	PUNCT
ajst-16343	50	62	the	the	DET
ajst-16343	50	63	bandwidth	bandwidth	NOUN
ajst-16343	50	64	is	be	AUX
ajst-16343	50	65	wider	wide	ADJ
ajst-16343	50	66	,	,	PUNCT
ajst-16343	50	67	with	with	ADP
ajst-16343	50	68	a	a	DET
ajst-16343	50	69	bandwidth	bandwidth	NOUN
ajst-16343	50	70	of	of	ADP
ajst-16343	50	71	6.4	6.4	NUM
ajst-16343	50	72	ghz	ghz	NOUN
ajst-16343	50	73	,	,	PUNCT
ajst-16343	50	74	and	and	CCONJ
ajst-16343	50	75	the	the	DET
ajst-16343	50	76	return	return	NOUN
ajst-16343	50	77	loss	loss	NOUN
ajst-16343	50	78	at	at	ADP
ajst-16343	50	79	24	24	NUM
ajst-16343	50	80	ghz	ghz	NOUN
ajst-16343	50	81	is	be	AUX
ajst-16343	50	82	lower	low	ADJ
ajst-16343	50	83	.	.	PUNCT
ajst-16343	51	1	figure	figure	VERB
ajst-16343	51	2	4	4	NUM
ajst-16343	51	3	.	.	PUNCT
ajst-16343	52	1	s	s	X
ajst-16343	52	2	-	-	PUNCT
ajst-16343	52	3	parameter	parameter	NOUN
ajst-16343	52	4	simulation	simulation	NOUN
ajst-16343	52	5	results	result	NOUN
ajst-16343	52	6	of	of	ADP
ajst-16343	52	7	the	the	DET
ajst-16343	52	8	novel	novel	ADJ
ajst-16343	52	9	vivaldi	vivaldi	PROPN
ajst-16343	52	10	antenna	antenna	NOUN
ajst-16343	52	11	the	the	DET
ajst-16343	52	12	simulation	simulation	NOUN
ajst-16343	52	13	results	result	NOUN
ajst-16343	52	14	of	of	ADP
ajst-16343	52	15	the	the	DET
ajst-16343	52	16	gain	gain	NOUN
ajst-16343	52	17	direction	direction	NOUN
ajst-16343	52	18	diagram	diagram	NOUN
ajst-16343	52	19	of	of	ADP
ajst-16343	52	20	the	the	DET
ajst-16343	52	21	new	new	ADJ
ajst-16343	52	22	vivaldi	vivaldi	ADJ
ajst-16343	52	23	antenna	antenna	NOUN
ajst-16343	52	24	and	and	CCONJ
ajst-16343	52	25	the	the	DET
ajst-16343	52	26	original	original	ADJ
ajst-16343	52	27	vivaldi	vivaldi	ADJ
ajst-16343	52	28	antenna	antenna	NOUN
ajst-16343	52	29	at	at	ADP
ajst-16343	52	30	a	a	DET
ajst-16343	52	31	frequency	frequency	NOUN
ajst-16343	52	32	of	of	ADP
ajst-16343	52	33	24	24	NUM
ajst-16343	52	34	ghz	ghz	NOUN
ajst-16343	52	35	are	be	AUX
ajst-16343	52	36	shown	show	VERB
ajst-16343	52	37	in	in	ADP
ajst-16343	52	38	figure	figure	NOUN
ajst-16343	52	39	5	5	NUM
ajst-16343	52	40	.	.	PUNCT
ajst-16343	52	41	from	from	ADP
ajst-16343	52	42	figure	figure	NOUN
ajst-16343	52	43	5(a	5(a	NUM
ajst-16343	52	44	)	)	PUNCT
ajst-16343	52	45	,	,	PUNCT
ajst-16343	52	46	it	it	PRON
ajst-16343	52	47	can	can	AUX
ajst-16343	52	48	be	be	AUX
ajst-16343	52	49	seen	see	VERB
ajst-16343	52	50	that	that	SCONJ
ajst-16343	52	51	after	after	ADP
ajst-16343	52	52	adding	add	VERB
ajst-16343	52	53	the	the	DET
ajst-16343	52	54	positive	positive	ADJ
ajst-16343	52	55	trapezoidal	trapezoidal	ADJ
ajst-16343	52	56	dielectric	dielectric	ADJ
ajst-16343	52	57	structure	structure	NOUN
ajst-16343	52	58	,	,	PUNCT
ajst-16343	52	59	the	the	DET
ajst-16343	52	60	gain	gain	NOUN
ajst-16343	52	61	of	of	ADP
ajst-16343	52	62	the	the	DET
ajst-16343	52	63	new	new	ADJ
ajst-16343	52	64	vivaldi	vivaldi	PROPN
ajst-16343	52	65	antenna	antenna	NOUN
ajst-16343	52	66	reaches	reach	VERB
ajst-16343	52	67	about	about	ADV
ajst-16343	52	68	10.8	10.8	NUM
ajst-16343	52	69	db	db	NOUN
ajst-16343	52	70	higher	high	ADJ
ajst-16343	52	71	than	than	ADP
ajst-16343	52	72	that	that	PRON
ajst-16343	52	73	of	of	ADP
ajst-16343	52	74	the	the	DET
ajst-16343	52	75	original	original	ADJ
ajst-16343	52	76	vivaldi	vivaldi	ADJ
ajst-16343	52	77	antenna	antenna	NOUN
ajst-16343	52	78	at	at	ADP
ajst-16343	52	79	a	a	DET
ajst-16343	52	80	frequency	frequency	NOUN
ajst-16343	52	81	of	of	ADP
ajst-16343	52	82	24	24	NUM
ajst-16343	52	83	ghz	ghz	NOUN
ajst-16343	52	84	,	,	PUNCT
ajst-16343	52	85	which	which	PRON
ajst-16343	52	86	is	be	AUX
ajst-16343	52	87	about	about	ADV
ajst-16343	52	88	1	1	NUM
ajst-16343	52	89	db	db	NOUN
ajst-16343	52	90	higher	high	ADJ
ajst-16343	52	91	than	than	ADP
ajst-16343	52	92	that	that	PRON
ajst-16343	52	93	of	of	ADP
ajst-16343	52	94	the	the	DET
ajst-16343	52	95	original	original	ADJ
ajst-16343	52	96	vivaldi	vivaldi	ADJ
ajst-16343	52	97	antenna	antenna	NOUN
ajst-16343	52	98	,	,	PUNCT
ajst-16343	52	99	and	and	CCONJ
ajst-16343	52	100	it	it	PRON
ajst-16343	52	101	can	can	AUX
ajst-16343	52	102	be	be	AUX
ajst-16343	52	103	clearly	clearly	ADV
ajst-16343	52	104	seen	see	VERB
ajst-16343	52	105	that	that	SCONJ
ajst-16343	52	106	the	the	DET
ajst-16343	52	107	sub	sub	NOUN
ajst-16343	52	108	-	-	NOUN
ajst-16343	52	109	flap	flap	NOUN
ajst-16343	52	110	of	of	ADP
ajst-16343	52	111	the	the	DET
ajst-16343	52	112	vivaldi	vivaldi	PROPN
ajst-16343	52	113	antenna	antenna	NOUN
ajst-16343	52	114	is	be	AUX
ajst-16343	52	115	reduced	reduce	VERB
ajst-16343	52	116	.	.	PUNCT
ajst-16343	53	1	and	and	CCONJ
ajst-16343	53	2	through	through	ADP
ajst-16343	53	3	the	the	DET
ajst-16343	53	4	directional	directional	ADJ
ajst-16343	53	5	map	map	NOUN
ajst-16343	53	6	of	of	ADP
ajst-16343	53	7	the	the	DET
ajst-16343	53	8	antenna	antenna	NOUN
ajst-16343	53	9	in	in	ADP
ajst-16343	53	10	figure	figure	NOUN
ajst-16343	53	11	5(b	5(b	NUM
ajst-16343	53	12	)	)	PUNCT
ajst-16343	53	13	,	,	PUNCT
ajst-16343	53	14	it	it	PRON
ajst-16343	53	15	is	be	AUX
ajst-16343	53	16	clearly	clearly	ADV
ajst-16343	53	17	observed	observe	VERB
ajst-16343	53	18	that	that	SCONJ
ajst-16343	53	19	the	the	DET
ajst-16343	53	20	beam	beam	NOUN
ajst-16343	53	21	width	width	NOUN
ajst-16343	53	22	of	of	ADP
ajst-16343	53	23	the	the	DET
ajst-16343	53	24	new	new	ADJ
ajst-16343	53	25	antenna	antenna	NOUN
ajst-16343	53	26	unit	unit	NOUN
ajst-16343	53	27	is	be	AUX
ajst-16343	53	28	narrower	narrow	ADJ
ajst-16343	53	29	,	,	PUNCT
ajst-16343	53	30	indicating	indicate	VERB
ajst-16343	53	31	that	that	SCONJ
ajst-16343	53	32	the	the	DET
ajst-16343	53	33	new	new	ADJ
ajst-16343	53	34	vivaldi	vivaldi	PROPN
ajst-16343	53	35	antenna	antenna	NOUN
ajst-16343	53	36	unit	unit	NOUN
ajst-16343	53	37	is	be	AUX
ajst-16343	53	38	more	more	ADV
ajst-16343	53	39	directional	directional	ADJ
ajst-16343	53	40	.	.	PUNCT
ajst-16343	54	1	168	168	NUM
ajst-16343	54	2	(	(	PUNCT
ajst-16343	54	3	a	a	NOUN
ajst-16343	54	4	)	)	PUNCT
ajst-16343	54	5	gain	gain	NOUN
ajst-16343	54	6	(	(	PUNCT
ajst-16343	54	7	1	1	NUM
ajst-16343	54	8	)	)	PUNCT
ajst-16343	54	9	surface	surface	NOUN
ajst-16343	54	10	e	e	NOUN
ajst-16343	54	11	(	(	PUNCT
ajst-16343	54	12	2	2	X
ajst-16343	54	13	)	)	PUNCT
ajst-16343	54	14	surface	surface	NOUN
ajst-16343	54	15	h	h	NOUN
ajst-16343	54	16	(	(	PUNCT
ajst-16343	54	17	b	b	NOUN
ajst-16343	54	18	)	)	PUNCT
ajst-16343	54	19	orientation	orientation	NOUN
ajst-16343	54	20	plan	plan	NOUN
ajst-16343	54	21	figure	figure	VERB
ajst-16343	54	22	5	5	NUM
ajst-16343	54	23	.	.	PUNCT
ajst-16343	55	1	gain	gain	NOUN
ajst-16343	55	2	and	and	CCONJ
ajst-16343	55	3	direction	direction	NOUN
ajst-16343	55	4	graph	graph	NOUN
ajst-16343	55	5	3	3	NUM
ajst-16343	55	6	.	.	PUNCT
ajst-16343	56	1	power	power	NOUN
ajst-16343	56	2	divider	divid	ADJ
ajst-16343	56	3	feeder	feeder	NOUN
ajst-16343	56	4	network	network	NOUN
ajst-16343	56	5	design	design	NOUN
ajst-16343	56	6	and	and	CCONJ
ajst-16343	56	7	simulation	simulation	NOUN
ajst-16343	56	8	first	first	ADV
ajst-16343	56	9	,	,	PUNCT
ajst-16343	56	10	according	accord	VERB
ajst-16343	56	11	to	to	ADP
ajst-16343	56	12	the	the	DET
ajst-16343	56	13	designed	design	VERB
ajst-16343	56	14	array	array	NOUN
ajst-16343	56	15	and	and	CCONJ
ajst-16343	56	16	unit	unit	NOUN
ajst-16343	56	17	,	,	PUNCT
ajst-16343	56	18	because	because	SCONJ
ajst-16343	56	19	the	the	DET
ajst-16343	56	20	feeding	feeding	NOUN
ajst-16343	56	21	part	part	NOUN
ajst-16343	56	22	of	of	ADP
ajst-16343	56	23	the	the	DET
ajst-16343	56	24	vivaldi	vivaldi	PROPN
ajst-16343	56	25	antenna	antenna	NOUN
ajst-16343	56	26	is	be	AUX
ajst-16343	56	27	fed	feed	VERB
ajst-16343	56	28	by	by	ADP
ajst-16343	56	29	microstrip	microstrip	NOUN
ajst-16343	56	30	feeding	feeding	NOUN
ajst-16343	56	31	and	and	CCONJ
ajst-16343	56	32	it	it	PRON
ajst-16343	56	33	is	be	AUX
ajst-16343	56	34	a	a	DET
ajst-16343	56	35	top	top	ADJ
ajst-16343	56	36	and	and	CCONJ
ajst-16343	56	37	bottom	bottom	ADJ
ajst-16343	56	38	structured	structured	ADJ
ajst-16343	56	39	array	array	NOUN
ajst-16343	56	40	,	,	PUNCT
ajst-16343	56	41	so	so	SCONJ
ajst-16343	56	42	in	in	ADP
ajst-16343	56	43	this	this	DET
ajst-16343	56	44	paper	paper	NOUN
ajst-16343	56	45	,	,	PUNCT
ajst-16343	56	46	the	the	DET
ajst-16343	56	47	power	power	NOUN
ajst-16343	56	48	divider	divider	NOUN
ajst-16343	56	49	adopts	adopt	VERB
ajst-16343	56	50	the	the	DET
ajst-16343	56	51	microstrip	microstrip	NOUN
ajst-16343	56	52	-	-	PUNCT
ajst-16343	56	53	coaxialmicrostrip	coaxialmicrostrip	NOUN
ajst-16343	56	54	feeding	feeding	NOUN
ajst-16343	56	55	structure	structure	NOUN
ajst-16343	56	56	,	,	PUNCT
ajst-16343	56	57	which	which	PRON
ajst-16343	56	58	utilizes	utilize	VERB
ajst-16343	56	59	the	the	DET
ajst-16343	56	60	transmission	transmission	NOUN
ajst-16343	56	61	characteristics	characteristic	NOUN
ajst-16343	56	62	of	of	ADP
ajst-16343	56	63	coaxial	coaxial	ADJ
ajst-16343	56	64	and	and	CCONJ
ajst-16343	56	65	microstrip	microstrip	NOUN
ajst-16343	56	66	lines	line	NOUN
ajst-16343	56	67	to	to	PART
ajst-16343	56	68	realize	realize	VERB
ajst-16343	56	69	the	the	DET
ajst-16343	56	70	signal	signal	ADJ
ajst-16343	56	71	transmission	transmission	NOUN
ajst-16343	56	72	of	of	ADP
ajst-16343	56	73	the	the	DET
ajst-16343	56	74	array	array	NOUN
ajst-16343	56	75	.	.	PUNCT
ajst-16343	57	1	from	from	ADP
ajst-16343	57	2	the	the	DET
ajst-16343	57	3	point	point	NOUN
ajst-16343	57	4	of	of	ADP
ajst-16343	57	5	view	view	NOUN
ajst-16343	57	6	of	of	ADP
ajst-16343	57	7	the	the	DET
ajst-16343	57	8	circuit	circuit	NOUN
ajst-16343	57	9	analysis	analysis	NOUN
ajst-16343	57	10	,	,	PUNCT
ajst-16343	57	11	firstly	firstly	ADV
ajst-16343	57	12	the	the	DET
ajst-16343	57	13	characteristic	characteristic	ADJ
ajst-16343	57	14	impedance	impedance	NOUN
ajst-16343	57	15	of	of	ADP
ajst-16343	57	16	the	the	DET
ajst-16343	57	17	feed	feed	NOUN
ajst-16343	57	18	port	port	NOUN
ajst-16343	57	19	of	of	ADP
ajst-16343	57	20	the	the	DET
ajst-16343	57	21	antenna	antenna	NOUN
ajst-16343	57	22	unit	unit	NOUN
ajst-16343	57	23	is	be	AUX
ajst-16343	57	24	50	50	NUM
ajst-16343	57	25	ohms	ohm	NOUN
ajst-16343	57	26	,	,	PUNCT
ajst-16343	57	27	to	to	PART
ajst-16343	57	28	realize	realize	VERB
ajst-16343	57	29	a	a	DET
ajst-16343	57	30	feed	feed	NOUN
ajst-16343	57	31	network	network	NOUN
ajst-16343	57	32	with	with	ADP
ajst-16343	57	33	a	a	DET
ajst-16343	57	34	characteristic	characteristic	ADJ
ajst-16343	57	35	impedance	impedance	NOUN
ajst-16343	57	36	of	of	ADP
ajst-16343	57	37	50	50	NUM
ajst-16343	57	38	-	-	SYM
ajst-16343	57	39	50	50	NUM
ajst-16343	57	40	ohms	ohm	NOUN
ajst-16343	57	41	,	,	PUNCT
ajst-16343	57	42	and	and	CCONJ
ajst-16343	57	43	secondly	secondly	ADV
ajst-16343	57	44	there	there	PRON
ajst-16343	57	45	are	be	VERB
ajst-16343	57	46	four	four	NUM
ajst-16343	57	47	units	unit	NOUN
ajst-16343	57	48	in	in	ADP
ajst-16343	57	49	the	the	DET
ajst-16343	57	50	array	array	NOUN
ajst-16343	57	51	,	,	PUNCT
ajst-16343	57	52	so	so	CCONJ
ajst-16343	57	53	it	it	PRON
ajst-16343	57	54	is	be	AUX
ajst-16343	57	55	necessary	necessary	ADJ
ajst-16343	57	56	to	to	PART
ajst-16343	57	57	make	make	VERB
ajst-16343	57	58	a	a	DET
ajst-16343	57	59	one	one	NUM
ajst-16343	57	60	-	-	PUNCT
ajst-16343	57	61	part	part	NOUN
ajst-16343	57	62	-	-	PUNCT
ajst-16343	57	63	two	two	NUM
ajst-16343	57	64	-	-	PUNCT
ajst-16343	57	65	repeattwo	repeattwo	NOUN
ajst-16343	57	66	power	power	NOUN
ajst-16343	57	67	divider	divider	NOUN
ajst-16343	57	68	,	,	PUNCT
ajst-16343	57	69	whose	whose	DET
ajst-16343	57	70	equivalent	equivalent	ADJ
ajst-16343	57	71	circuit	circuit	NOUN
ajst-16343	57	72	diagram	diagram	NOUN
ajst-16343	57	73	is	be	AUX
ajst-16343	57	74	shown	show	VERB
ajst-16343	57	75	below	below	ADP
ajst-16343	57	76	in	in	ADP
ajst-16343	57	77	figure	figure	NOUN
ajst-16343	57	78	6	6	NUM
ajst-16343	57	79	.	.	PUNCT
ajst-16343	57	80	figure	figure	VERB
ajst-16343	57	81	6	6	NUM
ajst-16343	57	82	.	.	PUNCT
ajst-16343	57	83	schematic	schematic	ADJ
ajst-16343	57	84	diagram	diagram	NOUN
ajst-16343	57	85	of	of	ADP
ajst-16343	57	86	equivalent	equivalent	ADJ
ajst-16343	57	87	circuit	circuit	NOUN
ajst-16343	57	88	because	because	SCONJ
ajst-16343	57	89	z	z	PROPN
ajst-16343	57	90	50	50	NUM
ajst-16343	57	91	ω	ω	NUM
ajst-16343	57	92	,	,	PUNCT
ajst-16343	57	93	according	accord	VERB
ajst-16343	57	94	to	to	ADP
ajst-16343	57	95	the	the	DET
ajst-16343	57	96	wilkinson	wilkinson	PROPN
ajst-16343	57	97	power	power	PROPN
ajst-16343	57	98	divider	divid	ADJ
ajst-16343	57	99	principle	principle	NOUN
ajst-16343	57	100	,	,	PUNCT
ajst-16343	57	101	this	this	PRON
ajst-16343	57	102	gives	give	VERB
ajst-16343	57	103	z	z	PROPN
ajst-16343	57	104	z	z	PROPN
ajst-16343	57	105	100	100	NUM
ajst-16343	57	106	ω	ω	NOUN
ajst-16343	57	107	.	.	PUNCT
ajst-16343	58	1	in	in	ADP
ajst-16343	58	2	order	order	NOUN
ajst-16343	58	3	to	to	PART
ajst-16343	58	4	realize	realize	VERB
ajst-16343	58	5	the	the	DET
ajst-16343	58	6	impedance	impedance	NOUN
ajst-16343	58	7	matching	matching	NOUN
ajst-16343	58	8	of	of	ADP
ajst-16343	58	9	the	the	DET
ajst-16343	58	10	transmission	transmission	NOUN
ajst-16343	58	11	line	line	NOUN
ajst-16343	58	12	,	,	PUNCT
ajst-16343	58	13	z	z	NOUN
ajst-16343	58	14	,	,	PUNCT
ajst-16343	58	15	z	z	PROPN
ajst-16343	58	16	is	be	AUX
ajst-16343	58	17	processed	process	VERB
ajst-16343	58	18	through	through	ADP
ajst-16343	58	19	the	the	DET
ajst-16343	58	20	quarter	quarter	NOUN
ajst-16343	58	21	wavelength	wavelength	NOUN
ajst-16343	58	22	in	in	ADP
ajst-16343	58	23	impedance	impedance	NOUN
ajst-16343	58	24	transformation	transformation	NOUN
ajst-16343	58	25	principle	principle	NOUN
ajst-16343	58	26	,	,	PUNCT
ajst-16343	58	27	which	which	PRON
ajst-16343	58	28	makes	make	VERB
ajst-16343	58	29	z′	z′	NUM
ajst-16343	58	30	z′	z′	NUM
ajst-16343	58	31	50	50	NUM
ajst-16343	58	32	ω	ω	NOUN
ajst-16343	58	33	,	,	PUNCT
ajst-16343	58	34	consequently	consequently	ADV
ajst-16343	58	35	,	,	PUNCT
ajst-16343	58	36	z	z	NOUN
ajst-16343	58	37	z	z	NOUN
ajst-16343	59	1	z	z	NOUN
ajst-16343	59	2	z	z	NOUN
ajst-16343	59	3	100	100	NUM
ajst-16343	59	4	ω	ω	NOUN
ajst-16343	59	5	.	.	PUNCT
ajst-16343	60	1	in	in	ADP
ajst-16343	60	2	order	order	NOUN
ajst-16343	60	3	to	to	PART
ajst-16343	60	4	realize	realize	VERB
ajst-16343	60	5	impedance	impedance	NOUN
ajst-16343	60	6	matching	matching	NOUN
ajst-16343	60	7	between	between	ADP
ajst-16343	60	8	the	the	DET
ajst-16343	60	9	power	power	NOUN
ajst-16343	60	10	divider	divider	NOUN
ajst-16343	60	11	and	and	CCONJ
ajst-16343	60	12	the	the	DET
ajst-16343	60	13	antenna	antenna	NOUN
ajst-16343	60	14	,	,	PUNCT
ajst-16343	60	15	the	the	DET
ajst-16343	60	16	principle	principle	NOUN
ajst-16343	60	17	of	of	ADP
ajst-16343	60	18	quadrature	quadrature	NOUN
ajst-16343	60	19	wavelength	wavelength	NOUN
ajst-16343	60	20	transformation	transformation	NOUN
ajst-16343	60	21	is	be	AUX
ajst-16343	60	22	used	use	VERB
ajst-16343	60	23	in	in	ADP
ajst-16343	60	24	the	the	DET
ajst-16343	60	25	same	same	ADJ
ajst-16343	60	26	way	way	NOUN
ajst-16343	60	27	so	so	SCONJ
ajst-16343	60	28	that	that	SCONJ
ajst-16343	60	29	z′	z′	NUM
ajst-16343	60	30	z′	z′	NUM
ajst-16343	60	31	z′	z′	NUM
ajst-16343	60	32	z′	z′	NUM
ajst-16343	60	33	50ω	50ω	NOUN
ajst-16343	60	34	.	.	PUNCT
ajst-16343	61	1	considering	consider	VERB
ajst-16343	61	2	that	that	SCONJ
ajst-16343	61	3	the	the	DET
ajst-16343	61	4	whole	whole	ADJ
ajst-16343	61	5	array	array	NOUN
ajst-16343	61	6	is	be	AUX
ajst-16343	61	7	three	three	NUM
ajst-16343	61	8	-	-	PUNCT
ajst-16343	61	9	dimensional	dimensional	ADJ
ajst-16343	61	10	,	,	PUNCT
ajst-16343	61	11	it	it	PRON
ajst-16343	61	12	is	be	AUX
ajst-16343	61	13	necessary	necessary	ADJ
ajst-16343	61	14	to	to	PART
ajst-16343	61	15	use	use	VERB
ajst-16343	61	16	coaxial	coaxial	ADJ
ajst-16343	61	17	lines	line	NOUN
ajst-16343	61	18	to	to	PART
ajst-16343	61	19	connect	connect	VERB
ajst-16343	61	20	the	the	DET
ajst-16343	61	21	upper	upper	ADJ
ajst-16343	61	22	and	and	CCONJ
ajst-16343	61	23	lower	low	ADJ
ajst-16343	61	24	microstrip	microstrip	NOUN
ajst-16343	61	25	power	power	NOUN
ajst-16343	61	26	dividers	divider	NOUN
ajst-16343	61	27	,	,	PUNCT
ajst-16343	61	28	as	as	SCONJ
ajst-16343	61	29	shown	show	VERB
ajst-16343	61	30	in	in	ADP
ajst-16343	61	31	figure	figure	NOUN
ajst-16343	61	32	8	8	NUM
ajst-16343	61	33	,	,	PUNCT
ajst-16343	61	34	and	and	CCONJ
ajst-16343	61	35	in	in	ADP
ajst-16343	61	36	this	this	DET
ajst-16343	61	37	paper	paper	NOUN
ajst-16343	61	38	,	,	PUNCT
ajst-16343	61	39	we	we	PRON
ajst-16343	61	40	consider	consider	VERB
ajst-16343	61	41	two	two	NUM
ajst-16343	61	42	structures	structure	NOUN
ajst-16343	61	43	of	of	ADP
ajst-16343	61	44	microstrip	microstrip	NOUN
ajst-16343	61	45	-	-	PUNCT
ajst-16343	61	46	coaxial	coaxial	ADJ
ajst-16343	61	47	connection	connection	NOUN
ajst-16343	61	48	.	.	PUNCT
ajst-16343	62	1	the	the	DET
ajst-16343	62	2	upper	upper	ADJ
ajst-16343	62	3	and	and	CCONJ
ajst-16343	62	4	lower	low	ADJ
ajst-16343	62	5	microstrip	microstrip	NOUN
ajst-16343	62	6	lines	line	NOUN
ajst-16343	62	7	have	have	VERB
ajst-16343	62	8	the	the	DET
ajst-16343	62	9	same	same	ADJ
ajst-16343	62	10	characteristic	characteristic	ADJ
ajst-16343	62	11	impedance	impedance	NOUN
ajst-16343	62	12	where	where	SCONJ
ajst-16343	62	13	they	they	PRON
ajst-16343	62	14	are	be	AUX
ajst-16343	62	15	connected	connect	VERB
ajst-16343	62	16	to	to	ADP
ajst-16343	62	17	the	the	DET
ajst-16343	62	18	coaxial	coaxial	ADJ
ajst-16343	62	19	line	line	NOUN
ajst-16343	62	20	.	.	PUNCT
ajst-16343	63	1	the	the	DET
ajst-16343	63	2	upper	upper	ADJ
ajst-16343	63	3	microstrip	microstrip	NOUN
ajst-16343	63	4	line	line	NOUN
ajst-16343	63	5	has	have	VERB
ajst-16343	63	6	a	a	DET
ajst-16343	63	7	characteristic	characteristic	ADJ
ajst-16343	63	8	impedance	impedance	NOUN
ajst-16343	63	9	of	of	ADP
ajst-16343	63	10	50	50	NUM
ajst-16343	63	11	ω	ω	NOUN
ajst-16343	63	12	,	,	PUNCT
ajst-16343	63	13	and	and	CCONJ
ajst-16343	63	14	the	the	DET
ajst-16343	63	15	lower	low	ADJ
ajst-16343	63	16	microstrip	microstrip	NOUN
ajst-16343	63	17	line	line	NOUN
ajst-16343	63	18	has	have	VERB
ajst-16343	63	19	a	a	DET
ajst-16343	63	20	characteristic	characteristic	ADJ
ajst-16343	63	21	impedance	impedance	NOUN
ajst-16343	63	22	of	of	ADP
ajst-16343	63	23	100	100	NUM
ajst-16343	63	24	ω	ω	NUM
ajst-16343	63	25	.	.	PUNCT
ajst-16343	64	1	impedance	impedance	NOUN
ajst-16343	64	2	matching	matching	NOUN
ajst-16343	64	3	is	be	AUX
ajst-16343	64	4	performed	perform	VERB
ajst-16343	64	5	using	use	VERB
ajst-16343	64	6	coaxial	coaxial	ADJ
ajst-16343	64	7	lines	line	NOUN
ajst-16343	64	8	so	so	SCONJ
ajst-16343	64	9	the	the	DET
ajst-16343	64	10	two	two	NUM
ajst-16343	64	11	methods	method	NOUN
ajst-16343	64	12	were	be	AUX
ajst-16343	64	13	simulated	simulate	VERB
ajst-16343	64	14	and	and	CCONJ
ajst-16343	64	15	tested	test	VERB
ajst-16343	64	16	and	and	CCONJ
ajst-16343	64	17	the	the	DET
ajst-16343	64	18	results	result	NOUN
ajst-16343	64	19	are	be	AUX
ajst-16343	64	20	shown	show	VERB
ajst-16343	64	21	in	in	ADP
ajst-16343	64	22	figure	figure	NOUN
ajst-16343	64	23	7	7	NUM
ajst-16343	64	24	below	below	ADV
ajst-16343	64	25	.	.	PUNCT
ajst-16343	65	1	169	169	NUM
ajst-16343	65	2	(	(	PUNCT
ajst-16343	65	3	1	1	NUM
ajst-16343	65	4	)	)	PUNCT
ajst-16343	65	5	same	same	ADJ
ajst-16343	65	6	impedance	impedance	NOUN
ajst-16343	65	7	up	up	ADP
ajst-16343	65	8	and	and	CCONJ
ajst-16343	65	9	down	down	ADP
ajst-16343	65	10	s	s	NOUN
ajst-16343	65	11	-	-	NOUN
ajst-16343	65	12	parameter	parameter	NOUN
ajst-16343	65	13	(	(	PUNCT
ajst-16343	65	14	2	2	NUM
ajst-16343	65	15	)	)	PUNCT
ajst-16343	65	16	different	different	ADJ
ajst-16343	65	17	s	s	NOUN
ajst-16343	65	18	-	-	NOUN
ajst-16343	65	19	parameters	parameter	NOUN
ajst-16343	65	20	for	for	ADP
ajst-16343	65	21	upper	upper	ADJ
ajst-16343	65	22	and	and	CCONJ
ajst-16343	65	23	lower	low	ADJ
ajst-16343	65	24	impedance	impedance	NOUN
ajst-16343	65	25	figure	figure	NOUN
ajst-16343	65	26	7	7	NUM
ajst-16343	65	27	.	.	PUNCT
ajst-16343	65	28	test	test	NOUN
ajst-16343	65	29	results	result	NOUN
ajst-16343	65	30	of	of	ADP
ajst-16343	65	31	s	s	NOUN
ajst-16343	65	32	-	-	NOUN
ajst-16343	65	33	parameters	parameter	NOUN
ajst-16343	65	34	for	for	ADP
ajst-16343	65	35	two	two	NUM
ajst-16343	65	36	cases	case	NOUN
ajst-16343	65	37	from	from	ADP
ajst-16343	65	38	the	the	DET
ajst-16343	65	39	above	above	ADJ
ajst-16343	65	40	figure	figure	NOUN
ajst-16343	65	41	,	,	PUNCT
ajst-16343	65	42	we	we	PRON
ajst-16343	65	43	can	can	AUX
ajst-16343	65	44	find	find	VERB
ajst-16343	65	45	that	that	SCONJ
ajst-16343	65	46	(	(	PUNCT
ajst-16343	65	47	1	1	X
ajst-16343	65	48	)	)	PUNCT
ajst-16343	65	49	the	the	DET
ajst-16343	65	50	test	test	NOUN
ajst-16343	65	51	results	result	NOUN
ajst-16343	65	52	are	be	AUX
ajst-16343	65	53	better	well	ADJ
ajst-16343	65	54	,	,	PUNCT
ajst-16343	65	55	(	(	PUNCT
ajst-16343	65	56	1	1	X
ajst-16343	65	57	)	)	PUNCT
ajst-16343	65	58	the	the	DET
ajst-16343	65	59	s11	s11	NOUN
ajst-16343	65	60	is	be	AUX
ajst-16343	65	61	bigger	big	ADJ
ajst-16343	65	62	,	,	PUNCT
ajst-16343	65	63	indicating	indicate	VERB
ajst-16343	65	64	that	that	SCONJ
ajst-16343	65	65	only	only	ADV
ajst-16343	65	66	a	a	DET
ajst-16343	65	67	weak	weak	ADJ
ajst-16343	65	68	signal	signal	NOUN
ajst-16343	65	69	is	be	AUX
ajst-16343	65	70	reflected	reflect	VERB
ajst-16343	65	71	back	back	ADV
ajst-16343	65	72	,	,	PUNCT
ajst-16343	65	73	(	(	PUNCT
ajst-16343	65	74	1	1	X
ajst-16343	65	75	)	)	PUNCT
ajst-16343	65	76	the	the	DET
ajst-16343	65	77	s12	s12	NOUN
ajst-16343	65	78	tends	tend	VERB
ajst-16343	65	79	to	to	PART
ajst-16343	65	80	be	be	AUX
ajst-16343	65	81	close	close	ADJ
ajst-16343	65	82	to	to	ADP
ajst-16343	65	83	0	0	NUM
ajst-16343	65	84	,	,	PUNCT
ajst-16343	65	85	indicating	indicate	VERB
ajst-16343	65	86	that	that	SCONJ
ajst-16343	65	87	the	the	DET
ajst-16343	65	88	input	input	NOUN
ajst-16343	65	89	is	be	AUX
ajst-16343	65	90	as	as	ADV
ajst-16343	65	91	much	much	ADJ
ajst-16343	65	92	as	as	ADP
ajst-16343	65	93	the	the	DET
ajst-16343	65	94	output	output	NOUN
ajst-16343	65	95	,	,	PUNCT
ajst-16343	65	96	and	and	CCONJ
ajst-16343	65	97	there	there	PRON
ajst-16343	65	98	is	be	VERB
ajst-16343	65	99	basically	basically	ADV
ajst-16343	65	100	no	no	DET
ajst-16343	65	101	loss	loss	NOUN
ajst-16343	65	102	in	in	ADP
ajst-16343	65	103	the	the	DET
ajst-16343	65	104	transmission	transmission	NOUN
ajst-16343	65	105	process	process	NOUN
ajst-16343	65	106	.	.	PUNCT
ajst-16343	66	1	the	the	DET
ajst-16343	66	2	test	test	NOUN
ajst-16343	66	3	result	result	NOUN
ajst-16343	66	4	of	of	ADP
ajst-16343	66	5	(	(	PUNCT
ajst-16343	66	6	2	2	NUM
ajst-16343	66	7	)	)	PUNCT
ajst-16343	66	8	,	,	PUNCT
ajst-16343	66	9	on	on	ADP
ajst-16343	66	10	the	the	DET
ajst-16343	66	11	other	other	ADJ
ajst-16343	66	12	hand	hand	NOUN
ajst-16343	66	13	,	,	PUNCT
ajst-16343	66	14	indicates	indicate	VERB
ajst-16343	66	15	that	that	SCONJ
ajst-16343	66	16	there	there	PRON
ajst-16343	66	17	is	be	VERB
ajst-16343	66	18	some	some	DET
ajst-16343	66	19	loss	loss	NOUN
ajst-16343	66	20	of	of	ADP
ajst-16343	66	21	signal	signal	NOUN
ajst-16343	66	22	on	on	ADP
ajst-16343	66	23	the	the	DET
ajst-16343	66	24	coaxial	coaxial	ADJ
ajst-16343	66	25	line	line	NOUN
ajst-16343	66	26	.	.	PUNCT
ajst-16343	67	1	therefore	therefore	ADV
ajst-16343	67	2	,	,	PUNCT
ajst-16343	67	3	the	the	DET
ajst-16343	67	4	microstrip	microstrip	ADJ
ajst-16343	67	5	-	-	PUNCT
ajst-16343	67	6	coaxial	coaxial	ADJ
ajst-16343	67	7	structure	structure	NOUN
ajst-16343	67	8	in	in	ADP
ajst-16343	67	9	this	this	DET
ajst-16343	67	10	paper	paper	NOUN
ajst-16343	67	11	adopts	adopt	VERB
ajst-16343	67	12	the	the	DET
ajst-16343	67	13	way	way	NOUN
ajst-16343	67	14	of	of	ADP
ajst-16343	67	15	(	(	PUNCT
ajst-16343	67	16	1	1	NUM
ajst-16343	67	17	)	)	PUNCT
ajst-16343	67	18	,	,	PUNCT
ajst-16343	67	19	so	so	CCONJ
ajst-16343	67	20	the	the	DET
ajst-16343	67	21	design	design	NOUN
ajst-16343	67	22	of	of	ADP
ajst-16343	67	23	the	the	DET
ajst-16343	67	24	power	power	NOUN
ajst-16343	67	25	divider	divider	NOUN
ajst-16343	67	26	needs	need	VERB
ajst-16343	67	27	to	to	PART
ajst-16343	67	28	fully	fully	ADV
ajst-16343	67	29	consider	consider	VERB
ajst-16343	67	30	the	the	DET
ajst-16343	67	31	structure	structure	NOUN
ajst-16343	67	32	of	of	ADP
ajst-16343	67	33	(	(	PUNCT
ajst-16343	67	34	1	1	NUM
ajst-16343	67	35	)	)	PUNCT
ajst-16343	67	36	,	,	PUNCT
ajst-16343	67	37	according	accord	VERB
ajst-16343	67	38	to	to	ADP
ajst-16343	67	39	the	the	DET
ajst-16343	67	40	formula	formula	NOUN
ajst-16343	67	41	of	of	ADP
ajst-16343	67	42	the	the	DET
ajst-16343	67	43	coaxial	coaxial	ADJ
ajst-16343	67	44	line	line	NOUN
ajst-16343	67	45	,	,	PUNCT
ajst-16343	67	46	this	this	DET
ajst-16343	67	47	paper	paper	NOUN
ajst-16343	67	48	adopts	adopt	VERB
ajst-16343	67	49	the	the	DET
ajst-16343	67	50	coaxial	coaxial	ADJ
ajst-16343	67	51	line	line	NOUN
ajst-16343	67	52	with	with	ADP
ajst-16343	67	53	an	an	DET
ajst-16343	67	54	inner	inner	ADJ
ajst-16343	67	55	column	column	NOUN
ajst-16343	67	56	radius	radius	NOUN
ajst-16343	67	57	of	of	ADP
ajst-16343	67	58	0.05	0.05	NUM
ajst-16343	67	59	mm	mm	NOUN
ajst-16343	67	60	and	and	CCONJ
ajst-16343	67	61	an	an	DET
ajst-16343	67	62	outer	outer	ADJ
ajst-16343	67	63	column	column	NOUN
ajst-16343	67	64	radius	radius	NOUN
ajst-16343	67	65	of	of	ADP
ajst-16343	67	66	0.5925	0.5925	NUM
ajst-16343	67	67	mm	mm	NOUN
ajst-16343	67	68	,	,	PUNCT
ajst-16343	67	69	connecting	connect	VERB
ajst-16343	67	70	the	the	DET
ajst-16343	67	71	microstrip	microstrip	NOUN
ajst-16343	67	72	line	line	NOUN
ajst-16343	67	73	to	to	ADP
ajst-16343	67	74	the	the	DET
ajst-16343	67	75	coaxial	coaxial	ADJ
ajst-16343	67	76	line	line	NOUN
ajst-16343	67	77	with	with	ADP
ajst-16343	67	78	the	the	DET
ajst-16343	67	79	coaxial	coaxial	ADJ
ajst-16343	67	80	line	line	NOUN
ajst-16343	67	81	with	with	ADP
ajst-16343	67	82	a	a	DET
ajst-16343	67	83	high	high	ADJ
ajst-16343	67	84	height	height	NOUN
ajst-16343	67	85	of	of	ADP
ajst-16343	67	86	14.5	14.5	NUM
ajst-16343	67	87	mm	mm	NOUN
ajst-16343	67	88	,	,	PUNCT
ajst-16343	67	89	and	and	CCONJ
ajst-16343	67	90	its	its	PRON
ajst-16343	67	91	common	common	ADJ
ajst-16343	67	92	denominator	denominator	NOUN
ajst-16343	67	93	feeder	feeder	NOUN
ajst-16343	67	94	network	network	NOUN
ajst-16343	67	95	is	be	AUX
ajst-16343	67	96	shown	show	VERB
ajst-16343	67	97	in	in	ADP
ajst-16343	67	98	figure	figure	NOUN
ajst-16343	67	99	8	8	NUM
ajst-16343	67	100	.	.	PUNCT
ajst-16343	67	101	figure	figure	NOUN
ajst-16343	67	102	8	8	NUM
ajst-16343	67	103	.	.	PUNCT
ajst-16343	68	1	fractional	fractional	ADJ
ajst-16343	68	2	feeder	feeder	NOUN
ajst-16343	68	3	network	network	NOUN
ajst-16343	68	4	by	by	ADP
ajst-16343	68	5	optimizing	optimize	VERB
ajst-16343	68	6	some	some	DET
ajst-16343	68	7	parameters	parameter	NOUN
ajst-16343	68	8	of	of	ADP
ajst-16343	68	9	the	the	DET
ajst-16343	68	10	microstrip	microstrip	NOUN
ajst-16343	68	11	line	line	NOUN
ajst-16343	68	12	and	and	CCONJ
ajst-16343	68	13	coaxial	coaxial	ADJ
ajst-16343	68	14	line	line	NOUN
ajst-16343	68	15	,	,	PUNCT
ajst-16343	68	16	the	the	DET
ajst-16343	68	17	simulation	simulation	NOUN
ajst-16343	68	18	results	result	NOUN
ajst-16343	68	19	of	of	ADP
ajst-16343	68	20	the	the	DET
ajst-16343	68	21	return	return	NOUN
ajst-16343	68	22	loss	loss	NOUN
ajst-16343	68	23	profile	profile	NOUN
ajst-16343	68	24	of	of	ADP
ajst-16343	68	25	the	the	DET
ajst-16343	68	26	final	final	ADJ
ajst-16343	68	27	power	power	NOUN
ajst-16343	68	28	division	division	NOUN
ajst-16343	68	29	feeder	feeder	NOUN
ajst-16343	68	30	network	network	NOUN
ajst-16343	68	31	are	be	AUX
ajst-16343	68	32	shown	show	VERB
ajst-16343	68	33	in	in	ADP
ajst-16343	68	34	fig	fig	NOUN
ajst-16343	68	35	.	.	PUNCT
ajst-16343	69	1	9	9	NUM
ajst-16343	69	2	below	below	ADV
ajst-16343	69	3	.	.	PUNCT
ajst-16343	70	1	figure	figure	NOUN
ajst-16343	70	2	9	9	NUM
ajst-16343	70	3	.	.	PUNCT
ajst-16343	71	1	return	return	VERB
ajst-16343	71	2	loss	loss	NOUN
ajst-16343	71	3	of	of	ADP
ajst-16343	71	4	a	a	DET
ajst-16343	71	5	power	power	NOUN
ajst-16343	71	6	-	-	PUNCT
ajst-16343	71	7	divided	divide	VERB
ajst-16343	71	8	feeder	feeder	NOUN
ajst-16343	71	9	network	network	NOUN
ajst-16343	71	10	the	the	DET
ajst-16343	71	11	power	power	NOUN
ajst-16343	71	12	division	division	NOUN
ajst-16343	71	13	feeder	feeder	NOUN
ajst-16343	71	14	network	network	NOUN
ajst-16343	71	15	designed	design	VERB
ajst-16343	71	16	in	in	ADP
ajst-16343	71	17	this	this	DET
ajst-16343	71	18	paper	paper	NOUN
ajst-16343	71	19	is	be	AUX
ajst-16343	71	20	fed	feed	VERB
ajst-16343	71	21	in	in	ADP
ajst-16343	71	22	a	a	DET
ajst-16343	71	23	one	one	NUM
ajst-16343	71	24	-	-	PUNCT
ajst-16343	71	25	in	in	ADP
ajst-16343	71	26	-	-	PUNCT
ajst-16343	71	27	four	four	NUM
ajst-16343	71	28	manner	manner	NOUN
ajst-16343	71	29	,	,	PUNCT
ajst-16343	71	30	with	with	ADP
ajst-16343	71	31	1	1	NUM
ajst-16343	71	32	as	as	ADP
ajst-16343	71	33	the	the	DET
ajst-16343	71	34	input	input	NOUN
ajst-16343	71	35	port	port	NOUN
ajst-16343	71	36	and	and	CCONJ
ajst-16343	71	37	2	2	NUM
ajst-16343	71	38	,	,	PUNCT
ajst-16343	71	39	3	3	NUM
ajst-16343	71	40	,	,	PUNCT
ajst-16343	71	41	4	4	NUM
ajst-16343	71	42	,	,	PUNCT
ajst-16343	71	43	and	and	CCONJ
ajst-16343	71	44	5	5	NUM
ajst-16343	71	45	as	as	ADP
ajst-16343	71	46	the	the	DET
ajst-16343	71	47	output	output	NOUN
ajst-16343	71	48	ports	port	NOUN
ajst-16343	71	49	,	,	PUNCT
ajst-16343	71	50	and	and	CCONJ
ajst-16343	71	51	it	it	PRON
ajst-16343	71	52	can	can	AUX
ajst-16343	71	53	be	be	AUX
ajst-16343	71	54	seen	see	VERB
ajst-16343	71	55	that	that	SCONJ
ajst-16343	71	56	s11	s11	PROPN
ajst-16343	71	57	is	be	AUX
ajst-16343	71	58	less	less	ADJ
ajst-16343	71	59	than	than	ADP
ajst-16343	71	60	-10db	-10db	PROPN
ajst-16343	71	61	in	in	ADP
ajst-16343	71	62	the	the	DET
ajst-16343	71	63	frequency	frequency	NOUN
ajst-16343	71	64	band	band	NOUN
ajst-16343	71	65	of	of	ADP
ajst-16343	71	66	20	20	NUM
ajst-16343	71	67	-	-	PUNCT
ajst-16343	71	68	28ghz	28ghz	NOUN
ajst-16343	71	69	,	,	PUNCT
ajst-16343	71	70	and	and	CCONJ
ajst-16343	71	71	reaches	reach	VERB
ajst-16343	71	72	-48db	-48db	PROPN
ajst-16343	71	73	at	at	ADP
ajst-16343	71	74	24.6ghz	24.6ghz	NUM
ajst-16343	71	75	,	,	PUNCT
ajst-16343	71	76	and	and	CCONJ
ajst-16343	71	77	below	below	ADP
ajst-16343	71	78	-28db	-28db	PROPN
ajst-16343	71	79	at	at	ADP
ajst-16343	71	80	24ghz	24ghz	NOUN
ajst-16343	71	81	,	,	PUNCT
ajst-16343	71	82	which	which	PRON
ajst-16343	71	83	indicates	indicate	VERB
ajst-16343	71	84	that	that	SCONJ
ajst-16343	71	85	there	there	PRON
ajst-16343	71	86	is	be	VERB
ajst-16343	71	87	only	only	ADV
ajst-16343	71	88	a	a	DET
ajst-16343	71	89	tiny	tiny	ADJ
ajst-16343	71	90	amount	amount	NOUN
ajst-16343	71	91	of	of	ADP
ajst-16343	71	92	signal	signal	ADJ
ajst-16343	71	93	reflection	reflection	NOUN
ajst-16343	71	94	,	,	PUNCT
ajst-16343	71	95	s12	s12	PROPN
ajst-16343	71	96	,	,	PUNCT
ajst-16343	71	97	s13	s13	NOUN
ajst-16343	71	98	,	,	PUNCT
ajst-16343	71	99	s14	s14	NOUN
ajst-16343	71	100	,	,	PUNCT
ajst-16343	71	101	and	and	CCONJ
ajst-16343	71	102	s15	s15	NOUN
ajst-16343	71	103	of	of	ADP
ajst-16343	71	104	this	this	DET
ajst-16343	71	105	feeder	feeder	NOUN
ajst-16343	71	106	network	network	NOUN
ajst-16343	71	107	,	,	PUNCT
ajst-16343	71	108	are	be	AUX
ajst-16343	71	109	all	all	ADV
ajst-16343	71	110	greater	great	ADJ
ajst-16343	71	111	than	than	ADP
ajst-16343	71	112	-7db	-7db	NUM
ajst-16343	71	113	in	in	ADP
ajst-16343	71	114	the	the	DET
ajst-16343	71	115	frequency	frequency	NOUN
ajst-16343	71	116	band	band	NOUN
ajst-16343	71	117	of	of	ADP
ajst-16343	71	118	20-28ghz.the	20-28ghz.the	DET
ajst-16343	71	119	above	above	ADP
ajst-16343	71	120	simulation	simulation	NOUN
ajst-16343	71	121	results	result	NOUN
ajst-16343	71	122	show	show	VERB
ajst-16343	71	123	that	that	SCONJ
ajst-16343	71	124	in	in	ADP
ajst-16343	71	125	the	the	DET
ajst-16343	71	126	operating	operating	NOUN
ajst-16343	71	127	band	band	NOUN
ajst-16343	71	128	,	,	PUNCT
ajst-16343	71	129	the	the	DET
ajst-16343	71	130	power	power	NOUN
ajst-16343	71	131	divider	divider	NOUN
ajst-16343	71	132	,	,	PUNCT
ajst-16343	71	133	divides	divide	VERB
ajst-16343	71	134	the	the	DET
ajst-16343	71	135	input	input	NOUN
ajst-16343	71	136	signal	signal	NOUN
ajst-16343	71	137	at	at	ADP
ajst-16343	71	138	port	port	NOUN
ajst-16343	71	139	1	1	NUM
ajst-16343	71	140	nearly	nearly	ADV
ajst-16343	71	141	uniformly	uniformly	ADV
ajst-16343	71	142	among	among	ADP
ajst-16343	71	143	the	the	DET
ajst-16343	71	144	four	four	NUM
ajst-16343	71	145	output	output	NOUN
ajst-16343	71	146	ports	port	NOUN
ajst-16343	71	147	2	2	NUM
ajst-16343	71	148	,	,	PUNCT
ajst-16343	71	149	3	3	NUM
ajst-16343	71	150	,	,	PUNCT
ajst-16343	71	151	4	4	NUM
ajst-16343	71	152	,	,	PUNCT
ajst-16343	71	153	and	and	CCONJ
ajst-16343	71	154	5	5	NUM
ajst-16343	71	155	,	,	PUNCT
ajst-16343	71	156	and	and	CCONJ
ajst-16343	71	157	there	there	PRON
ajst-16343	71	158	is	be	VERB
ajst-16343	71	159	basically	basically	ADV
ajst-16343	71	160	no	no	DET
ajst-16343	71	161	signal	signal	NOUN
ajst-16343	71	162	reflected	reflect	VERB
ajst-16343	71	163	back	back	ADV
ajst-16343	71	164	.	.	PUNCT
ajst-16343	72	1	the	the	DET
ajst-16343	72	2	bandwidth	bandwidth	NOUN
ajst-16343	72	3	of	of	ADP
ajst-16343	72	4	the	the	DET
ajst-16343	72	5	power	power	NOUN
ajst-16343	72	6	division	division	NOUN
ajst-16343	72	7	feed	feed	NOUN
ajst-16343	72	8	network	network	NOUN
ajst-16343	72	9	designed	design	VERB
ajst-16343	72	10	in	in	ADP
ajst-16343	72	11	this	this	DET
ajst-16343	72	12	paper	paper	NOUN
ajst-16343	72	13	is	be	AUX
ajst-16343	72	14	applicable	applicable	ADJ
ajst-16343	72	15	to	to	ADP
ajst-16343	72	16	the	the	DET
ajst-16343	72	17	new	new	ADJ
ajst-16343	72	18	vivaldi	vivaldi	PROPN
ajst-16343	72	19	antenna	antenna	NOUN
ajst-16343	72	20	designed	design	VERB
ajst-16343	72	21	in	in	ADP
ajst-16343	72	22	this	this	DET
ajst-16343	72	23	paper	paper	NOUN
ajst-16343	72	24	and	and	CCONJ
ajst-16343	72	25	satisfies	satisfy	VERB
ajst-16343	72	26	the	the	DET
ajst-16343	72	27	design	design	NOUN
ajst-16343	72	28	requirements	requirement	NOUN
ajst-16343	72	29	.	.	PUNCT
ajst-16343	73	1	4	4	X
ajst-16343	73	2	.	.	X
ajst-16343	73	3	array	array	NOUN
ajst-16343	73	4	design	design	NOUN
ajst-16343	73	5	4.1	4.1	NUM
ajst-16343	73	6	.	.	PUNCT
ajst-16343	74	1	array	array	VERB
ajst-16343	74	2	structure	structure	NOUN
ajst-16343	74	3	from	from	ADP
ajst-16343	74	4	the	the	DET
ajst-16343	74	5	design	design	NOUN
ajst-16343	74	6	point	point	NOUN
ajst-16343	74	7	of	of	ADP
ajst-16343	74	8	view	view	NOUN
ajst-16343	74	9	,	,	PUNCT
ajst-16343	74	10	in	in	ADP
ajst-16343	74	11	order	order	NOUN
ajst-16343	74	12	to	to	PART
ajst-16343	74	13	reduce	reduce	VERB
ajst-16343	74	14	the	the	DET
ajst-16343	74	15	plane	plane	NOUN
ajst-16343	74	16	size	size	NOUN
ajst-16343	74	17	of	of	ADP
ajst-16343	74	18	the	the	DET
ajst-16343	74	19	array	array	NOUN
ajst-16343	74	20	,	,	PUNCT
ajst-16343	74	21	so	so	CCONJ
ajst-16343	74	22	the	the	DET
ajst-16343	74	23	design	design	NOUN
ajst-16343	74	24	of	of	ADP
ajst-16343	74	25	a	a	DET
ajst-16343	74	26	double	double	ADJ
ajst-16343	74	27	-	-	PUNCT
ajst-16343	74	28	layer	layer	NOUN
ajst-16343	74	29	3d	3d	NOUN
ajst-16343	74	30	2	2	NUM
ajst-16343	74	31	×	×	NOUN
ajst-16343	74	32	2	2	NUM
ajst-16343	74	33	arrays	array	VERB
ajst-16343	74	34	,	,	PUNCT
ajst-16343	74	35	but	but	CCONJ
ajst-16343	74	36	by	by	ADP
ajst-16343	74	37	the	the	DET
ajst-16343	74	38	mutual	mutual	ADJ
ajst-16343	74	39	coupling	coupling	NOUN
ajst-16343	74	40	between	between	ADP
ajst-16343	74	41	the	the	DET
ajst-16343	74	42	units	unit	NOUN
ajst-16343	74	43	,	,	PUNCT
ajst-16343	74	44	so	so	SCONJ
ajst-16343	74	45	the	the	DET
ajst-16343	74	46	characteristics	characteristic	NOUN
ajst-16343	74	47	of	of	ADP
ajst-16343	74	48	their	their	PRON
ajst-16343	74	49	arrays	array	NOUN
ajst-16343	74	50	and	and	CCONJ
ajst-16343	74	51	units	unit	NOUN
ajst-16343	74	52	work	work	VERB
ajst-16343	74	53	alone	alone	ADV
ajst-16343	74	54	when	when	SCONJ
ajst-16343	74	55	the	the	DET
ajst-16343	74	56	characteristics	characteristic	NOUN
ajst-16343	74	57	of	of	ADP
ajst-16343	74	58	the	the	DET
ajst-16343	74	59	difference	difference	NOUN
ajst-16343	74	60	is	be	AUX
ajst-16343	74	61	very	very	ADV
ajst-16343	74	62	large	large	ADJ
ajst-16343	74	63	,	,	PUNCT
ajst-16343	74	64	so	so	ADV
ajst-16343	74	65	the	the	DET
ajst-16343	74	66	further	further	ADJ
ajst-16343	74	67	study	study	NOUN
ajst-16343	74	68	of	of	ADP
ajst-16343	74	69	the	the	DET
ajst-16343	74	70	antenna	antenna	NOUN
ajst-16343	74	71	unit	unit	NOUN
ajst-16343	74	72	and	and	CCONJ
ajst-16343	74	73	in	in	ADP
ajst-16343	74	74	the	the	DET
ajst-16343	74	75	performance	performance	NOUN
ajst-16343	74	76	of	of	ADP
ajst-16343	74	77	the	the	DET
ajst-16343	74	78	array	array	NOUN
ajst-16343	74	79	,	,	PUNCT
ajst-16343	74	80	the	the	DET
ajst-16343	74	81	simulation	simulation	NOUN
ajst-16343	74	82	study	study	NOUN
ajst-16343	74	83	,	,	PUNCT
ajst-16343	74	84	the	the	DET
ajst-16343	74	85	structure	structure	NOUN
ajst-16343	74	86	of	of	ADP
ajst-16343	74	87	the	the	DET
ajst-16343	74	88	structure	structure	NOUN
ajst-16343	74	89	as	as	SCONJ
ajst-16343	74	90	shown	show	VERB
ajst-16343	74	91	in	in	ADP
ajst-16343	74	92	figure	figure	NOUN
ajst-16343	74	93	10	10	NUM
ajst-16343	74	94	(	(	PUNCT
ajst-16343	74	95	1	1	NUM
ajst-16343	74	96	)	)	PUNCT
ajst-16343	74	97	.	.	PUNCT
ajst-16343	75	1	(	(	PUNCT
ajst-16343	75	2	1	1	X
ajst-16343	75	3	)	)	PUNCT
ajst-16343	75	4	3d	3d	NUM
ajst-16343	75	5	array	array	NOUN
ajst-16343	75	6	structure	structure	NOUN
ajst-16343	75	7	(	(	PUNCT
ajst-16343	75	8	2	2	X
ajst-16343	75	9	)	)	PUNCT
ajst-16343	75	10	linear	linear	NOUN
ajst-16343	75	11	array	array	NOUN
ajst-16343	75	12	structure	structure	NOUN
ajst-16343	75	13	figure	figure	NOUN
ajst-16343	75	14	10	10	NUM
ajst-16343	75	15	.	.	PUNCT
ajst-16343	76	1	array	array	NOUN
ajst-16343	76	2	structure	structure	NOUN
ajst-16343	76	3	the	the	DET
ajst-16343	76	4	structure	structure	NOUN
ajst-16343	76	5	of	of	ADP
ajst-16343	76	6	the	the	DET
ajst-16343	76	7	array	array	NOUN
ajst-16343	76	8	is	be	AUX
ajst-16343	76	9	that	that	SCONJ
ajst-16343	76	10	the	the	DET
ajst-16343	76	11	spacing	spacing	NOUN
ajst-16343	76	12	between	between	ADP
ajst-16343	76	13	the	the	DET
ajst-16343	76	14	upper	upper	ADJ
ajst-16343	76	15	two	two	NUM
ajst-16343	76	16	cells	cell	NOUN
ajst-16343	76	17	is	be	AUX
ajst-16343	76	18	5.77	5.77	NUM
ajst-16343	76	19	mm	mm	NOUN
ajst-16343	76	20	,	,	PUNCT
ajst-16343	76	21	the	the	DET
ajst-16343	76	22	spacing	spacing	NOUN
ajst-16343	76	23	between	between	ADP
ajst-16343	76	24	the	the	DET
ajst-16343	76	25	lower	low	ADJ
ajst-16343	76	26	two	two	NUM
ajst-16343	76	27	cells	cell	NOUN
ajst-16343	76	28	is	be	AUX
ajst-16343	76	29	7.34	7.34	NUM
ajst-16343	76	30	mm	mm	NOUN
ajst-16343	76	31	,	,	PUNCT
ajst-16343	76	32	and	and	CCONJ
ajst-16343	76	33	the	the	DET
ajst-16343	76	34	spacing	spacing	NOUN
ajst-16343	76	35	between	between	ADP
ajst-16343	76	36	the	the	DET
ajst-16343	76	37	upper	upper	ADJ
ajst-16343	76	38	and	and	CCONJ
ajst-16343	76	39	lower	low	ADJ
ajst-16343	76	40	cells	cell	NOUN
ajst-16343	76	41	is	be	AUX
ajst-16343	76	42	13.5	13.5	NUM
ajst-16343	76	43	mm	mm	NOUN
ajst-16343	76	44	,	,	PUNCT
ajst-16343	76	45	which	which	PRON
ajst-16343	76	46	realizes	realize	VERB
ajst-16343	76	47	the	the	DET
ajst-16343	76	48	3d	3d	NUM
ajst-16343	76	49	array	array	NOUN
ajst-16343	76	50	and	and	CCONJ
ajst-16343	76	51	170	170	NUM
ajst-16343	76	52	occupies	occupy	VERB
ajst-16343	76	53	a	a	DET
ajst-16343	76	54	planar	planar	ADJ
ajst-16343	76	55	area	area	NOUN
ajst-16343	76	56	of	of	ADP
ajst-16343	76	57	42.7	42.7	NUM
ajst-16343	76	58	×	×	NOUN
ajst-16343	76	59	34.35	34.35	NUM
ajst-16343	76	60	.	.	PUNCT
ajst-16343	77	1	the	the	DET
ajst-16343	77	2	planar	planar	ADJ
ajst-16343	77	3	area	area	NOUN
ajst-16343	77	4	of	of	ADP
ajst-16343	77	5	a	a	DET
ajst-16343	77	6	1	1	NUM
ajst-16343	77	7	×	×	NOUN
ajst-16343	77	8	4	4	NUM
ajst-16343	77	9	linear	linear	NOUN
ajst-16343	77	10	array	array	NOUN
ajst-16343	77	11	is	be	AUX
ajst-16343	77	12	75	75	NUM
ajst-16343	77	13	×	×	NOUN
ajst-16343	77	14	31.6	31.6	NUM
ajst-16343	77	15	,	,	PUNCT
ajst-16343	77	16	so	so	CCONJ
ajst-16343	77	17	the	the	DET
ajst-16343	77	18	structure	structure	NOUN
ajst-16343	77	19	greatly	greatly	ADV
ajst-16343	77	20	reduces	reduce	VERB
ajst-16343	77	21	the	the	DET
ajst-16343	77	22	planar	planar	ADJ
ajst-16343	77	23	area	area	NOUN
ajst-16343	77	24	required	require	VERB
ajst-16343	77	25	by	by	ADP
ajst-16343	77	26	a	a	DET
ajst-16343	77	27	4	4	NUM
ajst-16343	77	28	-	-	PUNCT
ajst-16343	77	29	cell	cell	NOUN
ajst-16343	77	30	linear	linear	NOUN
ajst-16343	77	31	antenna	antenna	NOUN
ajst-16343	77	32	array	array	NOUN
ajst-16343	77	33	(	(	PUNCT
ajst-16343	77	34	e.g.	e.g.	ADV
ajst-16343	77	35	,	,	PUNCT
ajst-16343	77	36	figure	figure	NOUN
ajst-16343	77	37	10(2	10(2	NUM
ajst-16343	77	38	)	)	PUNCT
ajst-16343	77	39	)	)	PUNCT
ajst-16343	77	40	.	.	PUNCT
ajst-16343	78	1	the	the	DET
ajst-16343	78	2	structure	structure	NOUN
ajst-16343	78	3	greatly	greatly	ADV
ajst-16343	78	4	reduces	reduce	VERB
ajst-16343	78	5	the	the	DET
ajst-16343	78	6	plane	plane	NOUN
ajst-16343	78	7	area	area	NOUN
ajst-16343	78	8	required	require	VERB
ajst-16343	78	9	for	for	ADP
ajst-16343	78	10	a	a	DET
ajst-16343	78	11	4	4	NUM
ajst-16343	78	12	-	-	PUNCT
ajst-16343	78	13	cell	cell	NOUN
ajst-16343	78	14	linear	linear	NOUN
ajst-16343	78	15	antenna	antenna	NOUN
ajst-16343	78	16	array	array	NOUN
ajst-16343	78	17	(	(	PUNCT
ajst-16343	78	18	as	as	ADP
ajst-16343	78	19	in	in	ADP
ajst-16343	78	20	figure	figure	NOUN
ajst-16343	78	21	10(2	10(2	NUM
ajst-16343	78	22	)	)	PUNCT
ajst-16343	78	23	)	)	PUNCT
ajst-16343	78	24	.	.	PUNCT
ajst-16343	79	1	4.2	4.2	NUM
ajst-16343	79	2	.	.	PUNCT
ajst-16343	79	3	array	array	VERB
ajst-16343	79	4	simulation	simulation	NOUN
ajst-16343	79	5	synthesizing	synthesize	VERB
ajst-16343	79	6	the	the	DET
ajst-16343	79	7	above	above	ADJ
ajst-16343	79	8	articles	article	NOUN
ajst-16343	79	9	,	,	PUNCT
ajst-16343	79	10	we	we	PRON
ajst-16343	79	11	obtain	obtain	VERB
ajst-16343	79	12	the	the	DET
ajst-16343	79	13	array	array	NOUN
ajst-16343	79	14	antenna	antenna	NOUN
ajst-16343	79	15	shown	show	VERB
ajst-16343	79	16	in	in	ADP
ajst-16343	79	17	fig	fig	NOUN
ajst-16343	79	18	.	.	PUNCT
ajst-16343	80	1	11	11	NUM
ajst-16343	80	2	below	below	ADV
ajst-16343	80	3	,	,	PUNCT
ajst-16343	80	4	with	with	ADP
ajst-16343	80	5	slight	slight	ADJ
ajst-16343	80	6	variations	variation	NOUN
ajst-16343	80	7	in	in	ADP
ajst-16343	80	8	performance	performance	NOUN
ajst-16343	80	9	due	due	ADP
ajst-16343	80	10	to	to	ADP
ajst-16343	80	11	the	the	DET
ajst-16343	80	12	effects	effect	NOUN
ajst-16343	80	13	of	of	ADP
ajst-16343	80	14	mutual	mutual	ADJ
ajst-16343	80	15	coupling	coupling	NOUN
ajst-16343	80	16	between	between	ADP
ajst-16343	80	17	the	the	DET
ajst-16343	80	18	units	unit	NOUN
ajst-16343	80	19	,	,	PUNCT
ajst-16343	80	20	and	and	CCONJ
ajst-16343	80	21	losses	loss	NOUN
ajst-16343	80	22	on	on	ADP
ajst-16343	80	23	each	each	DET
ajst-16343	80	24	device	device	NOUN
ajst-16343	80	25	.	.	PUNCT
ajst-16343	81	1	figure	figure	VERB
ajst-16343	81	2	11	11	NUM
ajst-16343	81	3	.	.	PUNCT
ajst-16343	82	1	schematic	schematic	ADJ
ajst-16343	82	2	of	of	ADP
ajst-16343	82	3	array	array	NOUN
ajst-16343	82	4	antenna	antenna	NOUN
ajst-16343	82	5	in	in	ADP
ajst-16343	82	6	this	this	DET
ajst-16343	82	7	paper	paper	NOUN
ajst-16343	82	8	,	,	PUNCT
ajst-16343	82	9	the	the	DET
ajst-16343	82	10	3d	3d	NUM
ajst-16343	82	11	array	array	NOUN
ajst-16343	82	12	is	be	AUX
ajst-16343	82	13	composed	compose	VERB
ajst-16343	82	14	of	of	ADP
ajst-16343	82	15	2	2	NUM
ajst-16343	82	16	×	×	NOUN
ajst-16343	82	17	2	2	NUM
ajst-16343	82	18	arrays	array	NOUN
ajst-16343	82	19	,	,	PUNCT
ajst-16343	82	20	which	which	PRON
ajst-16343	82	21	greatly	greatly	ADV
ajst-16343	82	22	reduces	reduce	VERB
ajst-16343	82	23	the	the	DET
ajst-16343	82	24	plane	plane	NOUN
ajst-16343	82	25	area	area	NOUN
ajst-16343	82	26	required	require	VERB
ajst-16343	82	27	for	for	ADP
ajst-16343	82	28	the	the	DET
ajst-16343	82	29	4	4	NUM
ajst-16343	82	30	-	-	PUNCT
ajst-16343	82	31	unit	unit	NOUN
ajst-16343	82	32	array	array	NOUN
ajst-16343	82	33	,	,	PUNCT
ajst-16343	82	34	and	and	CCONJ
ajst-16343	82	35	at	at	ADP
ajst-16343	82	36	the	the	DET
ajst-16343	82	37	center	center	ADJ
ajst-16343	82	38	frequency	frequency	NOUN
ajst-16343	82	39	of	of	ADP
ajst-16343	82	40	24	24	NUM
ajst-16343	82	41	ghz	ghz	NOUN
ajst-16343	82	42	,	,	PUNCT
ajst-16343	82	43	figure	figure	VERB
ajst-16343	82	44	12	12	NUM
ajst-16343	82	45	shows	show	VERB
ajst-16343	82	46	the	the	DET
ajst-16343	82	47	simulation	simulation	NOUN
ajst-16343	82	48	results	result	NOUN
ajst-16343	82	49	of	of	ADP
ajst-16343	82	50	the	the	DET
ajst-16343	82	51	3d	3d	PROPN
ajst-16343	82	52	array	array	NOUN
ajst-16343	82	53	without	without	ADP
ajst-16343	82	54	common	common	ADJ
ajst-16343	82	55	feed	feed	NOUN
ajst-16343	82	56	network	network	NOUN
ajst-16343	82	57	and	and	CCONJ
ajst-16343	82	58	the	the	DET
ajst-16343	82	59	linear	linear	PROPN
ajst-16343	82	60	array	array	NOUN
ajst-16343	82	61	,	,	PUNCT
ajst-16343	82	62	which	which	PRON
ajst-16343	82	63	shows	show	VERB
ajst-16343	82	64	that	that	SCONJ
ajst-16343	82	65	the	the	DET
ajst-16343	82	66	gain	gain	NOUN
ajst-16343	82	67	of	of	ADP
ajst-16343	82	68	the	the	DET
ajst-16343	82	69	3d	3d	PROPN
ajst-16343	82	70	array	array	NOUN
ajst-16343	82	71	with	with	ADP
ajst-16343	82	72	reactive	reactive	ADJ
ajst-16343	82	73	power	power	NOUN
ajst-16343	82	74	division	division	NOUN
ajst-16343	82	75	feed	feed	NOUN
ajst-16343	82	76	network	network	NOUN
ajst-16343	82	77	is	be	AUX
ajst-16343	82	78	16	16	NUM
ajst-16343	82	79	db	db	NOUN
ajst-16343	82	80	,	,	PUNCT
ajst-16343	82	81	and	and	CCONJ
ajst-16343	82	82	the	the	DET
ajst-16343	82	83	main	main	ADJ
ajst-16343	82	84	flap	flap	NOUN
ajst-16343	82	85	beamwidth	beamwidth	NOUN
ajst-16343	82	86	is	be	AUX
ajst-16343	82	87	about	about	ADV
ajst-16343	82	88	26	26	NUM
ajst-16343	82	89	°	°	NOUN
ajst-16343	82	90	,	,	PUNCT
ajst-16343	82	91	which	which	PRON
ajst-16343	82	92	is	be	AUX
ajst-16343	82	93	basically	basically	ADV
ajst-16343	82	94	the	the	DET
ajst-16343	82	95	same	same	ADJ
ajst-16343	82	96	as	as	ADP
ajst-16343	82	97	that	that	PRON
ajst-16343	82	98	of	of	ADP
ajst-16343	82	99	the	the	DET
ajst-16343	82	100	linear	linear	ADJ
ajst-16343	82	101	array	array	NOUN
ajst-16343	82	102	of	of	ADP
ajst-16343	82	103	1	1	NUM
ajst-16343	82	104	×	×	NOUN
ajst-16343	82	105	4	4	NUM
ajst-16343	82	106	,	,	PUNCT
ajst-16343	82	107	and	and	CCONJ
ajst-16343	82	108	the	the	DET
ajst-16343	82	109	main	main	ADJ
ajst-16343	82	110	flap	flap	NOUN
ajst-16343	82	111	beamwidth	beamwidth	NOUN
ajst-16343	82	112	is	be	AUX
ajst-16343	82	113	narrower	narrow	ADJ
ajst-16343	82	114	than	than	ADP
ajst-16343	82	115	that	that	PRON
ajst-16343	82	116	of	of	ADP
ajst-16343	82	117	the	the	DET
ajst-16343	82	118	linear	linear	PROPN
ajst-16343	82	119	array	array	NOUN
ajst-16343	82	120	.	.	PUNCT
ajst-16343	83	1	it	it	PRON
ajst-16343	83	2	is	be	AUX
ajst-16343	83	3	basically	basically	ADV
ajst-16343	83	4	the	the	DET
ajst-16343	83	5	same	same	ADJ
ajst-16343	83	6	,	,	PUNCT
ajst-16343	83	7	and	and	CCONJ
ajst-16343	83	8	the	the	DET
ajst-16343	83	9	main	main	ADJ
ajst-16343	83	10	flap	flap	NOUN
ajst-16343	83	11	beamwidth	beamwidth	NOUN
ajst-16343	83	12	is	be	AUX
ajst-16343	83	13	narrower	narrow	ADJ
ajst-16343	83	14	compared	compare	VERB
ajst-16343	83	15	to	to	ADP
ajst-16343	83	16	the	the	DET
ajst-16343	83	17	linear	linear	PROPN
ajst-16343	83	18	array	array	NOUN
ajst-16343	83	19	,	,	PUNCT
ajst-16343	83	20	which	which	PRON
ajst-16343	83	21	indicates	indicate	VERB
ajst-16343	83	22	that	that	SCONJ
ajst-16343	83	23	the	the	DET
ajst-16343	83	24	3d	3d	NUM
ajst-16343	83	25	array	array	NOUN
ajst-16343	83	26	is	be	AUX
ajst-16343	83	27	more	more	ADV
ajst-16343	83	28	directional	directional	ADJ
ajst-16343	83	29	,	,	PUNCT
ajst-16343	83	30	and	and	CCONJ
ajst-16343	83	31	the	the	DET
ajst-16343	83	32	bandwidth	bandwidth	NOUN
ajst-16343	83	33	of	of	ADP
ajst-16343	83	34	the	the	DET
ajst-16343	83	35	3d	3d	PROPN
ajst-16343	83	36	array	array	NOUN
ajst-16343	83	37	is	be	AUX
ajst-16343	83	38	6.4	6.4	NUM
ajst-16343	83	39	ghz	ghz	NOUN
ajst-16343	83	40	compared	compare	VERB
ajst-16343	83	41	to	to	ADP
ajst-16343	83	42	the	the	DET
ajst-16343	83	43	linear	linear	PROPN
ajst-16343	83	44	array	array	NOUN
ajst-16343	83	45	,	,	PUNCT
ajst-16343	83	46	which	which	PRON
ajst-16343	83	47	is	be	AUX
ajst-16343	83	48	wider	wide	ADJ
ajst-16343	83	49	.	.	PUNCT
ajst-16343	84	1	(	(	PUNCT
ajst-16343	84	2	1	1	X
ajst-16343	84	3	)	)	PUNCT
ajst-16343	84	4	gain	gain	NOUN
ajst-16343	84	5	(	(	PUNCT
ajst-16343	84	6	2	2	NUM
ajst-16343	84	7	)	)	PUNCT
ajst-16343	84	8	s11	s11	NOUN
ajst-16343	84	9	figure	figure	NOUN
ajst-16343	84	10	12	12	NUM
ajst-16343	84	11	.	.	PUNCT
ajst-16343	85	1	comparison	comparison	NOUN
ajst-16343	85	2	of	of	ADP
ajst-16343	85	3	simulation	simulation	NOUN
ajst-16343	85	4	results	result	NOUN
ajst-16343	85	5	between	between	ADP
ajst-16343	85	6	3d	3d	PROPN
ajst-16343	85	7	array	array	NOUN
ajst-16343	85	8	and	and	CCONJ
ajst-16343	85	9	linear	linear	ADJ
ajst-16343	85	10	array	array	NOUN
ajst-16343	85	11	of	of	ADP
ajst-16343	85	12	power	power	NOUN
ajst-16343	85	13	division	division	NOUN
ajst-16343	85	14	free	free	ADJ
ajst-16343	85	15	feeder	feeder	NOUN
ajst-16343	85	16	network	network	NOUN
ajst-16343	85	17	at	at	ADP
ajst-16343	85	18	the	the	DET
ajst-16343	85	19	center	center	ADJ
ajst-16343	85	20	frequency	frequency	NOUN
ajst-16343	85	21	of	of	ADP
ajst-16343	85	22	24	24	NUM
ajst-16343	85	23	ghz	ghz	NOUN
ajst-16343	85	24	,	,	PUNCT
ajst-16343	85	25	figure	figure	VERB
ajst-16343	85	26	13	13	NUM
ajst-16343	85	27	shows	show	VERB
ajst-16343	85	28	the	the	DET
ajst-16343	85	29	simulation	simulation	NOUN
ajst-16343	85	30	comparison	comparison	NOUN
ajst-16343	85	31	results	result	NOUN
ajst-16343	85	32	of	of	ADP
ajst-16343	85	33	the	the	DET
ajst-16343	85	34	final	final	ADJ
ajst-16343	85	35	3d	3d	NUM
ajst-16343	85	36	array	array	NOUN
ajst-16343	85	37	vivaldi	vivaldi	PROPN
ajst-16343	85	38	antenna	antenna	NOUN
ajst-16343	85	39	designed	design	VERB
ajst-16343	85	40	in	in	ADP
ajst-16343	85	41	this	this	DET
ajst-16343	85	42	paper	paper	NOUN
ajst-16343	85	43	,	,	PUNCT
ajst-16343	85	44	and	and	CCONJ
ajst-16343	85	45	it	it	PRON
ajst-16343	85	46	can	can	AUX
ajst-16343	85	47	be	be	AUX
ajst-16343	85	48	seen	see	VERB
ajst-16343	85	49	that	that	SCONJ
ajst-16343	85	50	the	the	DET
ajst-16343	85	51	gain	gain	NOUN
ajst-16343	85	52	of	of	ADP
ajst-16343	85	53	this	this	DET
ajst-16343	85	54	3d	3d	PROPN
ajst-16343	85	55	array	array	NOUN
ajst-16343	85	56	antenna	antenna	NOUN
ajst-16343	85	57	is	be	AUX
ajst-16343	85	58	about	about	ADP
ajst-16343	85	59	-15	-15	PUNCT
ajst-16343	85	60	db	db	PROPN
ajst-16343	85	61	,	,	PUNCT
ajst-16343	85	62	and	and	CCONJ
ajst-16343	85	63	the	the	DET
ajst-16343	85	64	main	main	ADJ
ajst-16343	85	65	flap	flap	NOUN
ajst-16343	85	66	beamwidth	beamwidth	NOUN
ajst-16343	85	67	is	be	AUX
ajst-16343	85	68	about	about	ADV
ajst-16343	85	69	23	23	NUM
ajst-16343	85	70	°	°	NOUN
ajst-16343	85	71	,	,	PUNCT
ajst-16343	85	72	compared	compare	VERB
ajst-16343	85	73	with	with	ADP
ajst-16343	85	74	the	the	DET
ajst-16343	85	75	array	array	NOUN
ajst-16343	85	76	antenna	antenna	NOUN
ajst-16343	85	77	without	without	ADP
ajst-16343	85	78	common	common	ADJ
ajst-16343	85	79	feed	feed	NOUN
ajst-16343	85	80	network	network	NOUN
ajst-16343	85	81	,	,	PUNCT
ajst-16343	85	82	the	the	DET
ajst-16343	85	83	gain	gain	NOUN
ajst-16343	85	84	is	be	AUX
ajst-16343	85	85	slightly	slightly	ADV
ajst-16343	85	86	decreased	decrease	VERB
ajst-16343	85	87	,	,	PUNCT
ajst-16343	85	88	mainly	mainly	ADV
ajst-16343	85	89	due	due	ADP
ajst-16343	85	90	to	to	ADP
ajst-16343	85	91	the	the	DET
ajst-16343	85	92	increase	increase	NOUN
ajst-16343	85	93	of	of	ADP
ajst-16343	85	94	the	the	DET
ajst-16343	85	95	power	power	NOUN
ajst-16343	85	96	divider	divid	ADJ
ajst-16343	85	97	circuit	circuit	NOUN
ajst-16343	85	98	,	,	PUNCT
ajst-16343	85	99	the	the	DET
ajst-16343	85	100	internal	internal	ADJ
ajst-16343	85	101	loss	loss	NOUN
ajst-16343	85	102	increase	increase	NOUN
ajst-16343	85	103	,	,	PUNCT
ajst-16343	85	104	and	and	CCONJ
ajst-16343	85	105	some	some	DET
ajst-16343	85	106	parameters	parameter	NOUN
ajst-16343	85	107	the	the	DET
ajst-16343	85	108	design	design	NOUN
ajst-16343	85	109	is	be	AUX
ajst-16343	85	110	slightly	slightly	ADV
ajst-16343	85	111	flawed	flawed	ADJ
ajst-16343	85	112	,	,	PUNCT
ajst-16343	85	113	resulting	result	VERB
ajst-16343	85	114	in	in	ADP
ajst-16343	85	115	a	a	DET
ajst-16343	85	116	weak	weak	ADJ
ajst-16343	85	117	reflection	reflection	NOUN
ajst-16343	85	118	of	of	ADP
ajst-16343	85	119	the	the	DET
ajst-16343	85	120	signal	signal	NOUN
ajst-16343	85	121	in	in	ADP
ajst-16343	85	122	the	the	DET
ajst-16343	85	123	transmission	transmission	NOUN
ajst-16343	85	124	process	process	NOUN
ajst-16343	85	125	can	can	AUX
ajst-16343	85	126	not	not	PART
ajst-16343	85	127	achieve	achieve	VERB
ajst-16343	85	128	the	the	DET
ajst-16343	85	129	ideal	ideal	ADJ
ajst-16343	85	130	transmission	transmission	NOUN
ajst-16343	85	131	,	,	PUNCT
ajst-16343	85	132	but	but	CCONJ
ajst-16343	85	133	the	the	DET
ajst-16343	85	134	results	result	NOUN
ajst-16343	85	135	are	be	AUX
ajst-16343	85	136	basically	basically	ADV
ajst-16343	85	137	in	in	ADP
ajst-16343	85	138	line	line	NOUN
ajst-16343	85	139	with	with	ADP
ajst-16343	85	140	the	the	DET
ajst-16343	85	141	principle	principle	NOUN
ajst-16343	85	142	.	.	PUNCT
ajst-16343	86	1	by	by	ADP
ajst-16343	86	2	comparing	compare	VERB
ajst-16343	86	3	the	the	DET
ajst-16343	86	4	data	datum	NOUN
ajst-16343	86	5	,	,	PUNCT
ajst-16343	86	6	it	it	PRON
ajst-16343	86	7	can	can	AUX
ajst-16343	86	8	be	be	AUX
ajst-16343	86	9	seen	see	VERB
ajst-16343	86	10	that	that	SCONJ
ajst-16343	86	11	its	its	PRON
ajst-16343	86	12	directionality	directionality	NOUN
ajst-16343	86	13	is	be	AUX
ajst-16343	86	14	stronger	strong	ADJ
ajst-16343	86	15	,	,	PUNCT
ajst-16343	86	16	and	and	CCONJ
ajst-16343	86	17	reduce	reduce	VERB
ajst-16343	86	18	the	the	DET
ajst-16343	86	19	sub	sub	ADJ
ajst-16343	86	20	-	-	ADJ
ajst-16343	86	21	flap	flap	ADJ
ajst-16343	86	22	,	,	PUNCT
ajst-16343	86	23	after	after	ADP
ajst-16343	86	24	adding	add	VERB
ajst-16343	86	25	the	the	DET
ajst-16343	86	26	power	power	NOUN
ajst-16343	86	27	division	division	NOUN
ajst-16343	86	28	feed	feed	NOUN
ajst-16343	86	29	network	network	NOUN
ajst-16343	86	30	,	,	PUNCT
ajst-16343	86	31	it	it	PRON
ajst-16343	86	32	can	can	AUX
ajst-16343	86	33	be	be	AUX
ajst-16343	86	34	obviously	obviously	ADV
ajst-16343	86	35	found	find	VERB
ajst-16343	86	36	to	to	PART
ajst-16343	86	37	improve	improve	VERB
ajst-16343	86	38	the	the	DET
ajst-16343	86	39	antenna	antenna	NOUN
ajst-16343	86	40	's	's	PART
ajst-16343	86	41	e	e	NOUN
ajst-16343	86	42	-	-	NOUN
ajst-16343	86	43	plane	plane	ADJ
ajst-16343	86	44	offset	offset	NOUN
ajst-16343	86	45	angle	angle	NOUN
ajst-16343	86	46	so	so	SCONJ
ajst-16343	86	47	that	that	SCONJ
ajst-16343	86	48	it	it	PRON
ajst-16343	86	49	reaches	reach	VERB
ajst-16343	86	50	90	90	NUM
ajst-16343	86	51	°	°	NOUN
ajst-16343	86	52	,	,	PUNCT
ajst-16343	86	53	although	although	SCONJ
ajst-16343	86	54	the	the	DET
ajst-16343	86	55	bandwidth	bandwidth	NOUN
ajst-16343	86	56	basically	basically	ADV
ajst-16343	86	57	remains	remain	VERB
ajst-16343	86	58	unchanged	unchanged	ADJ
ajst-16343	86	59	,	,	PUNCT
ajst-16343	86	60	but	but	CCONJ
ajst-16343	86	61	in	in	ADP
ajst-16343	86	62	the	the	DET
ajst-16343	86	63	24ghz	24ghz	NOUN
ajst-16343	86	64	operating	operating	NOUN
ajst-16343	86	65	frequency	frequency	NOUN
ajst-16343	86	66	,	,	PUNCT
ajst-16343	86	67	the	the	DET
ajst-16343	86	68	return	return	NOUN
ajst-16343	86	69	loss	loss	NOUN
ajst-16343	86	70	number	number	NOUN
ajst-16343	86	71	reaches	reach	VERB
ajst-16343	86	72	-43db	-43db	PROPN
ajst-16343	86	73	,	,	PUNCT
ajst-16343	86	74	to	to	PART
ajst-16343	86	75	reach	reach	VERB
ajst-16343	86	76	the	the	DET
ajst-16343	86	77	lowest	low	ADJ
ajst-16343	86	78	return	return	NOUN
ajst-16343	86	79	loss	loss	NOUN
ajst-16343	86	80	,	,	PUNCT
ajst-16343	86	81	and	and	CCONJ
ajst-16343	86	82	to	to	PART
ajst-16343	86	83	meet	meet	VERB
ajst-16343	86	84	the	the	DET
ajst-16343	86	85	design	design	NOUN
ajst-16343	86	86	requirements	requirement	NOUN
ajst-16343	86	87	.	.	PUNCT
ajst-16343	87	1	(	(	PUNCT
ajst-16343	87	2	1	1	X
ajst-16343	87	3	)	)	PUNCT
ajst-16343	87	4	gain	gain	NOUN
ajst-16343	87	5	(	(	PUNCT
ajst-16343	87	6	2	2	NUM
ajst-16343	87	7	)	)	PUNCT
ajst-16343	87	8	s11	s11	NOUN
ajst-16343	87	9	figure	figure	NOUN
ajst-16343	87	10	13	13	NUM
ajst-16343	87	11	.	.	PUNCT
ajst-16343	88	1	comparison	comparison	NOUN
ajst-16343	88	2	results	result	NOUN
ajst-16343	88	3	of	of	ADP
ajst-16343	88	4	simulation	simulation	NOUN
ajst-16343	88	5	of	of	ADP
ajst-16343	88	6	powerdivision	powerdivision	NOUN
ajst-16343	88	7	-	-	PUNCT
ajst-16343	88	8	containing	contain	VERB
ajst-16343	88	9	feeder	feeder	NOUN
ajst-16343	88	10	networks	network	NOUN
ajst-16343	88	11	figure	figure	VERB
ajst-16343	88	12	13	13	NUM
ajst-16343	88	13	(	(	PUNCT
ajst-16343	88	14	2	2	NUM
ajst-16343	88	15	)	)	PUNCT
ajst-16343	88	16	shows	show	VERB
ajst-16343	88	17	the	the	DET
ajst-16343	88	18	simulation	simulation	NOUN
ajst-16343	88	19	comparison	comparison	NOUN
ajst-16343	88	20	results	result	NOUN
ajst-16343	88	21	of	of	ADP
ajst-16343	88	22	the	the	DET
ajst-16343	88	23	return	return	NOUN
ajst-16343	88	24	loss	loss	NOUN
ajst-16343	88	25	s11	s11	NOUN
ajst-16343	88	26	of	of	ADP
ajst-16343	88	27	the	the	DET
ajst-16343	88	28	array	array	NOUN
ajst-16343	88	29	antenna	antenna	NOUN
ajst-16343	88	30	containing	contain	VERB
ajst-16343	88	31	the	the	DET
ajst-16343	88	32	powerdivision	powerdivision	NOUN
ajst-16343	88	33	feeding	feeding	NOUN
ajst-16343	88	34	network	network	NOUN
ajst-16343	88	35	,	,	PUNCT
ajst-16343	88	36	and	and	CCONJ
ajst-16343	88	37	the	the	DET
ajst-16343	88	38	bandwidth	bandwidth	NOUN
ajst-16343	88	39	of	of	ADP
ajst-16343	88	40	the	the	DET
ajst-16343	88	41	array	array	NOUN
ajst-16343	88	42	antenna	antenna	NOUN
ajst-16343	88	43	designed	design	VERB
ajst-16343	88	44	in	in	ADP
ajst-16343	88	45	this	this	DET
ajst-16343	88	46	paper	paper	NOUN
ajst-16343	88	47	is	be	AUX
ajst-16343	88	48	less	less	ADJ
ajst-16343	88	49	than	than	ADP
ajst-16343	88	50	-10	-10	PUNCT
ajst-16343	88	51	db	db	VERB
ajst-16343	88	52	within	within	ADP
ajst-16343	88	53	2126.9	2126.9	NUM
ajst-16343	88	54	ghz	ghz	NOUN
ajst-16343	88	55	,	,	PUNCT
ajst-16343	88	56	and	and	CCONJ
ajst-16343	88	57	it	it	PRON
ajst-16343	88	58	is	be	AUX
ajst-16343	88	59	even	even	ADV
ajst-16343	88	60	less	less	ADJ
ajst-16343	88	61	than	than	ADP
ajst-16343	88	62	-15	-15	VERB
ajst-16343	88	63	db	db	PROPN
ajst-16343	88	64	within	within	ADP
ajst-16343	88	65	the	the	DET
ajst-16343	88	66	bandwidth	bandwidth	NOUN
ajst-16343	88	67	of	of	ADP
ajst-16343	88	68	22	22	NUM
ajst-16343	88	69	ghz-26	ghz-26	NOUN
ajst-16343	88	70	ghz	ghz	NOUN
ajst-16343	88	71	,	,	PUNCT
ajst-16343	88	72	and	and	CCONJ
ajst-16343	88	73	it	it	PRON
ajst-16343	88	74	reaches	reach	VERB
ajst-16343	88	75	-43	-43	PROPN
ajst-16343	88	76	db	db	PROPN
ajst-16343	88	77	at	at	ADP
ajst-16343	88	78	the	the	DET
ajst-16343	88	79	frequency	frequency	NOUN
ajst-16343	88	80	of	of	ADP
ajst-16343	88	81	24	24	NUM
ajst-16343	88	82	ghz	ghz	NOUN
ajst-16343	88	83	.	.	PROPN
ajst-16343	89	1	5	5	NUM
ajst-16343	89	2	.	.	X
ajst-16343	89	3	conclusion	conclusion	NOUN
ajst-16343	89	4	in	in	ADP
ajst-16343	89	5	this	this	DET
ajst-16343	89	6	paper	paper	NOUN
ajst-16343	89	7	,	,	PUNCT
ajst-16343	89	8	a	a	DET
ajst-16343	89	9	new	new	ADJ
ajst-16343	89	10	ultra	ultra	ADJ
ajst-16343	89	11	-	-	ADJ
ajst-16343	89	12	wideband	wideband	ADJ
ajst-16343	89	13	high	high	ADJ
ajst-16343	89	14	-	-	PUNCT
ajst-16343	89	15	gain	gain	NOUN
ajst-16343	89	16	vivaldi	vivaldi	PROPN
ajst-16343	89	17	antenna	antenna	NOUN
ajst-16343	89	18	unit	unit	NOUN
ajst-16343	89	19	with	with	ADP
ajst-16343	89	20	a	a	DET
ajst-16343	89	21	gain	gain	NOUN
ajst-16343	89	22	of	of	ADP
ajst-16343	89	23	10.8	10.8	NUM
ajst-16343	89	24	db	db	NOUN
ajst-16343	89	25	at	at	ADP
ajst-16343	89	26	an	an	DET
ajst-16343	89	27	operating	operating	NOUN
ajst-16343	89	28	frequency	frequency	NOUN
ajst-16343	89	29	of	of	ADP
ajst-16343	89	30	24	24	NUM
ajst-16343	89	31	ghz	ghz	NOUN
ajst-16343	89	32	is	be	AUX
ajst-16343	89	33	designed	design	VERB
ajst-16343	89	34	.	.	PUNCT
ajst-16343	90	1	the	the	DET
ajst-16343	90	2	antenna	antenna	NOUN
ajst-16343	90	3	is	be	AUX
ajst-16343	90	4	based	base	VERB
ajst-16343	90	5	on	on	ADP
ajst-16343	90	6	the	the	DET
ajst-16343	90	7	original	original	ADJ
ajst-16343	90	8	vivaldi	vivaldi	ADJ
ajst-16343	90	9	antenna	antenna	NOUN
ajst-16343	90	10	,	,	PUNCT
ajst-16343	90	11	and	and	CCONJ
ajst-16343	90	12	a	a	DET
ajst-16343	90	13	positive	positive	ADJ
ajst-16343	90	14	trapezoidal	trapezoidal	ADJ
ajst-16343	90	15	dielectric	dielectric	ADJ
ajst-16343	90	16	structure	structure	NOUN
ajst-16343	90	17	plate	plate	NOUN
ajst-16343	90	18	is	be	AUX
ajst-16343	90	19	added	add	VERB
ajst-16343	90	20	to	to	ADP
ajst-16343	90	21	its	its	PRON
ajst-16343	90	22	radiating	radiate	VERB
ajst-16343	90	23	port	port	NOUN
ajst-16343	90	24	to	to	PART
ajst-16343	90	25	enhance	enhance	VERB
ajst-16343	90	26	the	the	DET
ajst-16343	90	27	antenna	antenna	NOUN
ajst-16343	90	28	's	's	PART
ajst-16343	90	29	171	171	NUM
ajst-16343	90	30	surface	surface	NOUN
ajst-16343	90	31	currents	current	NOUN
ajst-16343	90	32	at	at	ADP
ajst-16343	90	33	the	the	DET
ajst-16343	90	34	radiating	radiating	NOUN
ajst-16343	90	35	port	port	NOUN
ajst-16343	90	36	,	,	PUNCT
ajst-16343	90	37	which	which	PRON
ajst-16343	90	38	not	not	PART
ajst-16343	90	39	only	only	ADV
ajst-16343	90	40	reduces	reduce	VERB
ajst-16343	90	41	the	the	DET
ajst-16343	90	42	sub	sub	NOUN
ajst-16343	90	43	-	-	NOUN
ajst-16343	90	44	flap	flap	NOUN
ajst-16343	90	45	of	of	ADP
ajst-16343	90	46	the	the	DET
ajst-16343	90	47	antenna	antenna	NOUN
ajst-16343	90	48	unit	unit	NOUN
ajst-16343	90	49	,	,	PUNCT
ajst-16343	90	50	but	but	CCONJ
ajst-16343	90	51	also	also	ADV
ajst-16343	90	52	strengthens	strengthen	VERB
ajst-16343	90	53	the	the	DET
ajst-16343	90	54	antenna	antenna	NOUN
ajst-16343	90	55	's	's	PART
ajst-16343	90	56	radiating	radiate	VERB
ajst-16343	90	57	characteristics	characteristic	NOUN
ajst-16343	90	58	and	and	CCONJ
ajst-16343	90	59	directionality	directionality	NOUN
ajst-16343	90	60	.	.	PUNCT
ajst-16343	91	1	the	the	DET
ajst-16343	91	2	return	return	NOUN
ajst-16343	91	3	loss	loss	NOUN
ajst-16343	91	4	of	of	ADP
ajst-16343	91	5	the	the	DET
ajst-16343	91	6	antenna	antenna	NOUN
ajst-16343	91	7	is	be	AUX
ajst-16343	91	8	less	less	ADJ
ajst-16343	91	9	than	than	ADP
ajst-16343	91	10	-10db	-10db	PROPN
ajst-16343	91	11	in	in	ADP
ajst-16343	91	12	the	the	DET
ajst-16343	91	13	bandwidth	bandwidth	NOUN
ajst-16343	91	14	of	of	ADP
ajst-16343	91	15	20ghz-26.4ghz	20ghz-26.4ghz	NUM
ajst-16343	91	16	,	,	PUNCT
ajst-16343	91	17	and	and	CCONJ
ajst-16343	91	18	it	it	PRON
ajst-16343	91	19	has	have	VERB
ajst-16343	91	20	good	good	ADJ
ajst-16343	91	21	characteristic	characteristic	ADJ
ajst-16343	91	22	impedance	impedance	NOUN
ajst-16343	91	23	.	.	PUNCT
ajst-16343	92	1	in	in	ADP
ajst-16343	92	2	this	this	DET
ajst-16343	92	3	paper	paper	NOUN
ajst-16343	92	4	,	,	PUNCT
ajst-16343	92	5	on	on	ADP
ajst-16343	92	6	top	top	NOUN
ajst-16343	92	7	of	of	ADP
ajst-16343	92	8	the	the	DET
ajst-16343	92	9	antenna	antenna	NOUN
ajst-16343	92	10	unit	unit	NOUN
ajst-16343	92	11	,	,	PUNCT
ajst-16343	92	12	a	a	DET
ajst-16343	92	13	4	4	NUM
ajst-16343	92	14	-	-	PUNCT
ajst-16343	92	15	cell	cell	NOUN
ajst-16343	92	16	3d	3d	NUM
ajst-16343	92	17	antenna	antenna	NOUN
ajst-16343	92	18	array	array	NOUN
ajst-16343	92	19	operating	operate	VERB
ajst-16343	92	20	at	at	ADP
ajst-16343	92	21	24	24	NUM
ajst-16343	92	22	ghz	ghz	NOUN
ajst-16343	92	23	is	be	AUX
ajst-16343	92	24	also	also	ADV
ajst-16343	92	25	designed	design	VERB
ajst-16343	92	26	,	,	PUNCT
ajst-16343	92	27	and	and	CCONJ
ajst-16343	92	28	its	its	PRON
ajst-16343	92	29	matched	match	VERB
ajst-16343	92	30	common	common	ADJ
ajst-16343	92	31	feed	feed	NOUN
ajst-16343	92	32	network	network	NOUN
ajst-16343	92	33	is	be	AUX
ajst-16343	92	34	investigated	investigate	VERB
ajst-16343	92	35	.	.	PUNCT
ajst-16343	93	1	the	the	DET
ajst-16343	93	2	array	array	NOUN
ajst-16343	93	3	greatly	greatly	ADV
ajst-16343	93	4	reduces	reduce	VERB
ajst-16343	93	5	the	the	DET
ajst-16343	93	6	plane	plane	NOUN
ajst-16343	93	7	area	area	NOUN
ajst-16343	93	8	required	require	VERB
ajst-16343	93	9	for	for	ADP
ajst-16343	93	10	a	a	DET
ajst-16343	93	11	typical	typical	ADJ
ajst-16343	93	12	4	4	NUM
ajst-16343	93	13	-	-	PUNCT
ajst-16343	93	14	cell	cell	NOUN
ajst-16343	93	15	linear	linear	NOUN
ajst-16343	93	16	antenna	antenna	NOUN
ajst-16343	93	17	array	array	NOUN
ajst-16343	93	18	and	and	CCONJ
ajst-16343	93	19	has	have	VERB
ajst-16343	93	20	stronger	strong	ADJ
ajst-16343	93	21	directionality	directionality	NOUN
ajst-16343	93	22	,	,	PUNCT
ajst-16343	93	23	with	with	ADP
ajst-16343	93	24	a	a	DET
ajst-16343	93	25	gain	gain	NOUN
ajst-16343	93	26	of	of	ADP
ajst-16343	93	27	15	15	NUM
ajst-16343	93	28	db	db	NOUN
ajst-16343	93	29	at	at	ADP
ajst-16343	93	30	an	an	DET
ajst-16343	93	31	operating	operating	NOUN
ajst-16343	93	32	frequency	frequency	NOUN
ajst-16343	93	33	of	of	ADP
ajst-16343	93	34	24	24	NUM
ajst-16343	93	35	ghz	ghz	NOUN
ajst-16343	93	36	,	,	PUNCT
ajst-16343	93	37	and	and	CCONJ
ajst-16343	93	38	the	the	DET
ajst-16343	93	39	return	return	NOUN
ajst-16343	93	40	loss	loss	NOUN
ajst-16343	93	41	of	of	ADP
ajst-16343	93	42	the	the	DET
ajst-16343	93	43	antenna	antenna	NOUN
ajst-16343	93	44	is	be	AUX
ajst-16343	93	45	less	less	ADJ
ajst-16343	93	46	than	than	ADP
ajst-16343	93	47	-10	-10	PUNCT
ajst-16343	93	48	db	db	VERB
ajst-16343	93	49	in	in	ADP
ajst-16343	93	50	a	a	DET
ajst-16343	93	51	bandwidth	bandwidth	NOUN
ajst-16343	93	52	of	of	ADP
ajst-16343	93	53	21	21	NUM
ajst-16343	93	54	ghz-26.9	ghz-26.9	ADJ
ajst-16343	93	55	ghz	ghz	NOUN
ajst-16343	93	56	,	,	PUNCT
ajst-16343	93	57	and	and	CCONJ
ajst-16343	93	58	improves	improve	VERB
ajst-16343	93	59	the	the	DET
ajst-16343	93	60	gain	gain	NOUN
ajst-16343	93	61	peak	peak	NOUN
ajst-16343	93	62	offset	offset	NOUN
ajst-16343	93	63	angle	angle	NOUN
ajst-16343	93	64	of	of	ADP
ajst-16343	93	65	the	the	DET
ajst-16343	93	66	e	e	NOUN
ajst-16343	93	67	-	-	ADJ
ajst-16343	93	68	plane	plane	ADJ
ajst-16343	93	69	directional	directional	ADJ
ajst-16343	93	70	map	map	NOUN
ajst-16343	93	71	of	of	ADP
ajst-16343	93	72	the	the	DET
ajst-16343	93	73	array	array	NOUN
ajst-16343	93	74	antenna	antenna	NOUN
ajst-16343	93	75	.	.	PUNCT
ajst-16343	94	1	acknowledgment	acknowledgment	NOUN
ajst-16343	94	2	this	this	DET
ajst-16343	94	3	work	work	NOUN
ajst-16343	94	4	is	be	AUX
ajst-16343	94	5	supported	support	VERB
ajst-16343	94	6	by	by	ADP
ajst-16343	94	7	the	the	DET
ajst-16343	94	8	national	national	ADJ
ajst-16343	94	9	natural	natural	PROPN
ajst-16343	94	10	science	science	PROPN
ajst-16343	94	11	foundation	foundation	PROPN
ajst-16343	94	12	of	of	ADP
ajst-16343	94	13	china	china	PROPN
ajst-16343	94	14	(	(	PUNCT
ajst-16343	94	15	11747030	11747030	NUM
ajst-16343	94	16	)	)	PUNCT
ajst-16343	94	17	and	and	CCONJ
ajst-16343	94	18	the	the	DET
ajst-16343	94	19	science	science	NOUN
ajst-16343	94	20	and	and	CCONJ
ajst-16343	94	21	technology	technology	NOUN
ajst-16343	94	22	program	program	NOUN
ajst-16343	94	23	of	of	ADP
ajst-16343	94	24	gansu	gansu	PROPN
ajst-16343	94	25	province	province	PROPN
ajst-16343	94	26	(	(	PUNCT
ajst-16343	94	27	20jr10ra080	20jr10ra080	NUM
ajst-16343	94	28	)	)	PUNCT
ajst-16343	94	29	.	.	PUNCT
ajst-16343	95	1	references	reference	NOUN
ajst-16343	95	2	[	[	X
ajst-16343	95	3	1	1	NUM
ajst-16343	95	4	]	]	PUNCT
ajst-16343	95	5	jian	jian	PROPN
ajst-16343	95	6	ze	ze	PROPN
ajst-16343	95	7	.	.	PUNCT
ajst-16343	95	8	study	study	PROPN
ajst-16343	95	9	of	of	ADP
ajst-16343	95	10	sisl	sisl	PROPN
ajst-16343	95	11	-	-	PUNCT
ajst-16343	95	12	based	base	VERB
ajst-16343	95	13	antennas	antenna	NOUN
ajst-16343	95	14	and	and	CCONJ
ajst-16343	95	15	their	their	PRON
ajst-16343	95	16	arrays	array	NOUN
ajst-16343	96	1	[	[	X
ajst-16343	96	2	d	d	X
ajst-16343	96	3	]	]	X
ajst-16343	96	4	.	.	PUNCT
ajst-16343	97	1	chengdu	chengdu	PROPN
ajst-16343	97	2	:	:	PUNCT
ajst-16343	97	3	university	university	NOUN
ajst-16343	97	4	of	of	ADP
ajst-16343	97	5	electronic	electronic	ADJ
ajst-16343	97	6	science	science	NOUN
ajst-16343	97	7	and	and	CCONJ
ajst-16343	97	8	technology	technology	NOUN
ajst-16343	97	9	of	of	ADP
ajst-16343	97	10	china	china	PROPN
ajst-16343	97	11	,	,	PUNCT
ajst-16343	97	12	2018	2018	NUM
ajst-16343	97	13	.	.	PUNCT
ajst-16343	98	1	[	[	X
ajst-16343	98	2	2	2	NUM
ajst-16343	98	3	]	]	PUNCT
ajst-16343	98	4	ikechukwuk	ikechukwuk	NOUN
ajst-16343	98	5	.	.	PUNCT
ajst-16343	99	1	ukaegbu	ukaegbu	ADJ
ajst-16343	99	2	.	.	PUNCT
ajst-16343	100	1	parametric	parametric	ADJ
ajst-16343	100	2	analysis	analysis	NOUN
ajst-16343	100	3	and	and	CCONJ
ajst-16343	100	4	bandwidth	bandwidth	ADJ
ajst-16343	100	5	optimisation	optimisation	NOUN
ajst-16343	100	6	of	of	ADP
ajst-16343	100	7	hybridlinear	hybridlinear	ADJ
ajst-16343	100	8	-	-	PUNCT
ajst-16343	100	9	exponential	exponential	NOUN
ajst-16343	100	10	tapered	tapered	ADJ
ajst-16343	100	11	slot	slot	NOUN
ajst-16343	100	12	vivaldi	vivaldi	PROPN
ajst-16343	100	13	antennas	antennas	PROPN
ajst-16343	101	1	[	[	X
ajst-16343	101	2	a	a	X
ajst-16343	101	3	]	]	X
ajst-16343	101	4	.	.	PUNCT
ajst-16343	102	1	loughborough	loughborough	PROPN
ajst-16343	102	2	antennas	antennas	PROPN
ajst-16343	102	3	&	&	CCONJ
ajst-16343	102	4	propagation	propagation	PROPN
ajst-16343	102	5	conference	conference	PROPN
ajst-16343	102	6	(	(	PUNCT
ajst-16343	102	7	lapc	lapc	NOUN
ajst-16343	102	8	2017	2017	NUM
ajst-16343	102	9	)	)	PUNCT
ajst-16343	103	1	[	[	X
ajst-16343	103	2	c	c	X
ajst-16343	103	3	]	]	PUNCT
ajst-16343	103	4	.	.	PUNCT
ajst-16343	104	1	loughborough	loughborough	PROPN
ajst-16343	104	2	:	:	PUNCT
ajst-16343	104	3	iet	iet	PROPN
ajst-16343	104	4	,	,	PUNCT
ajst-16343	104	5	2017	2017	NUM
ajst-16343	104	6	.	.	PUNCT
ajst-16343	105	1	[	[	X
ajst-16343	105	2	3	3	X
ajst-16343	105	3	]	]	X
ajst-16343	105	4	wang	wang	PROPN
ajst-16343	105	5	long	long	PROPN
ajst-16343	105	6	.	.	PUNCT
ajst-16343	106	1	design	design	NOUN
ajst-16343	106	2	of	of	ADP
ajst-16343	106	3	van	van	PROPN
ajst-16343	106	4	atta	atta	PROPN
ajst-16343	106	5	array	array	NOUN
ajst-16343	106	6	based	base	VERB
ajst-16343	106	7	on	on	ADP
ajst-16343	106	8	vivaldi	vivaldi	PROPN
ajst-16343	106	9	antenna	antenna	NOUN
ajst-16343	106	10	[	[	X
ajst-16343	106	11	j	j	X
ajst-16343	106	12	]	]	X
ajst-16343	106	13	.	.	PUNCT
ajst-16343	107	1	microwave	microwave	PROPN
ajst-16343	107	2	journal	journal	PROPN
ajst-16343	107	3	,	,	PUNCT
ajst-16343	107	4	2019	2019	NUM
ajst-16343	107	5	,	,	PUNCT
ajst-16343	107	6	35(7	35(7	NUM
ajst-16343	107	7	):	):	PUNCT
ajst-16343	107	8	62	62	NUM
ajst-16343	107	9	-	-	SYM
ajst-16343	107	10	65	65	NUM
ajst-16343	107	11	.	.	PUNCT
ajst-16343	108	1	[	[	X
ajst-16343	108	2	4	4	X
ajst-16343	108	3	]	]	SYM
ajst-16343	108	4	rong	rong	PROPN
ajst-16343	108	5	tan	tan	PROPN
ajst-16343	108	6	.	.	PUNCT
ajst-16343	109	1	research	research	NOUN
ajst-16343	109	2	on	on	ADP
ajst-16343	109	3	miniaturization	miniaturization	NOUN
ajst-16343	109	4	and	and	CCONJ
ajst-16343	109	5	low	low	ADJ
ajst-16343	109	6	-	-	PUNCT
ajst-16343	109	7	scattering	scatter	VERB
ajst-16343	109	8	technologies	technology	NOUN
ajst-16343	109	9	of	of	ADP
ajst-16343	109	10	ultra	ultra	ADJ
ajst-16343	109	11	-	-	ADJ
ajst-16343	109	12	wide	wide	ADJ
ajst-16343	109	13	band	band	NOUN
ajst-16343	109	14	dual	dual	ADV
ajst-16343	109	15	-	-	PUNCT
ajst-16343	109	16	polarized	polarize	VERB
ajst-16343	109	17	vivaldi	vivaldi	PROPN
ajst-16343	109	18	antennas	antennas	PROPN
ajst-16343	109	19	.	.	PUNCT
ajst-16343	110	1	d.a	d.a	NOUN
ajst-16343	110	2	thesis	thesis	NOUN
ajst-16343	110	3	submitted	submit	VERB
ajst-16343	110	4	to	to	ADP
ajst-16343	110	5	southeast	southeast	PROPN
ajst-16343	110	6	university	university	PROPN
ajst-16343	110	7	,	,	PUNCT
ajst-16343	110	8	nanjing	nanjing	PROPN
ajst-16343	110	9	.	.	PUNCT
ajst-16343	111	1	dio	dio	PROPN
ajst-16343	111	2	number:10.27014	number:10.27014	PROPN
ajst-16343	111	3	/	/	SYM
ajst-16343	111	4	d.cnki.gdnau	d.cnki.gdnau	PROPN
ajst-16343	111	5	,	,	PUNCT
ajst-16343	111	6	2021.001918	2021.001918	NOUN
ajst-16343	111	7	.	.	PUNCT
ajst-16343	112	1	[	[	X
ajst-16343	112	2	5	5	NUM
ajst-16343	112	3	]	]	PUNCT
ajst-16343	112	4	duhe	duhe	NOUN
ajst-16343	112	5	.	.	PUNCT
ajst-16343	113	1	vivaldi	vivaldi	PROPN
ajst-16343	113	2	antennas	antennas	PROPN
ajst-16343	113	3	and	and	CCONJ
ajst-16343	113	4	their	their	PRON
ajst-16343	113	5	engineering	engineering	NOUN
ajst-16343	114	1	[	[	X
ajst-16343	114	2	d	d	X
ajst-16343	114	3	]	]	X
ajst-16343	114	4	.	.	PUNCT
ajst-16343	115	1	xi'an	xi'an	PROPN
ajst-16343	115	2	:	:	PUNCT
ajst-16343	116	1	xidian	xidian	PROPN
ajst-16343	116	2	university	university	NOUN
ajst-16343	116	3	,	,	PUNCT
ajst-16343	116	4	2020	2020	NUM
ajst-16343	116	5	.	.	PUNCT
ajst-16343	117	1	[	[	X
ajst-16343	117	2	6	6	NUM
ajst-16343	117	3	]	]	PUNCT
ajst-16343	117	4	zhengbiao	zhengbiao	X
ajst-16343	117	5	wang	wang	PROPN
ajst-16343	117	6	.	.	PUNCT
ajst-16343	118	1	bandwidthand	bandwidthand	PROPN
ajst-16343	118	2	gain	gain	NOUN
ajst-16343	118	3	-	-	PUNCT
ajst-16343	118	4	enhanced	enhance	VERB
ajst-16343	118	5	vivaldi	vivaldi	PROPN
ajst-16343	118	6	antenna	antenna	NOUN
ajst-16343	118	7	array	array	NOUN
ajst-16343	118	8	fed	feed	VERB
ajst-16343	118	9	by	by	ADP
ajst-16343	118	10	non	non	ADJ
ajst-16343	118	11	-	-	ADJ
ajst-16343	118	12	uniform	uniform	ADJ
ajst-16343	118	13	t	t	PROPN
ajst-16343	118	14	-	-	PUNCT
ajst-16343	118	15	junction	junction	NOUN
ajst-16343	118	16	power	power	NOUN
ajst-16343	118	17	divider	divider	NOUN
ajst-16343	118	18	for	for	ADP
ajst-16343	118	19	radio	radio	NOUN
ajst-16343	118	20	astronomy	astronomy	NOUN
ajst-16343	118	21	application	application	NOUN
ajst-16343	119	1	[	[	X
ajst-16343	119	2	a	a	X
ajst-16343	119	3	]	]	X
ajst-16343	119	4	.	.	PUNCT
ajst-16343	119	5	2018	2018	NUM
ajst-16343	119	6	12th	12th	ADJ
ajst-16343	119	7	international	international	ADJ
ajst-16343	119	8	symposium	symposium	NOUN
ajst-16343	119	9	on	on	ADP
ajst-16343	119	10	antennas	antennas	PROPN
ajst-16343	119	11	,	,	PUNCT
ajst-16343	119	12	propagation	propagation	NOUN
ajst-16343	119	13	and	and	CCONJ
ajst-16343	119	14	em	em	PRON
ajst-16343	119	15	theory	theory	NOUN
ajst-16343	119	16	(	(	PUNCT
ajst-16343	119	17	isape	isape	NOUN
ajst-16343	119	18	)	)	PUNCT
ajst-16343	120	1	[	[	X
ajst-16343	120	2	c	c	X
ajst-16343	120	3	]	]	PUNCT
ajst-16343	120	4	.	.	PUNCT
ajst-16343	121	1	hangzhou	hangzhou	PROPN
ajst-16343	121	2	,	,	PUNCT
ajst-16343	121	3	china	china	PROPN
ajst-16343	121	4	:	:	PUNCT
ajst-16343	121	5	ieee	ieee	NOUN
ajst-16343	121	6	,	,	PUNCT
ajst-16343	121	7	2018	2018	NUM
ajst-16343	121	8	.	.	PUNCT
ajst-16343	122	1	[	[	X
ajst-16343	122	2	7	7	NUM
ajst-16343	122	3	]	]	X
ajst-16343	122	4	gengxin	gengxin	NOUN
ajst-16343	122	5	.	.	PUNCT
ajst-16343	123	1	miniaturized	miniaturize	VERB
ajst-16343	123	2	airborne	airborne	ADJ
ajst-16343	123	3	antenna	antenna	NOUN
ajst-16343	123	4	design	design	NOUN
ajst-16343	124	1	[	[	X
ajst-16343	124	2	d	d	X
ajst-16343	124	3	]	]	X
ajst-16343	124	4	.	.	PUNCT
ajst-16343	125	1	xi'an	xi'an	PROPN
ajst-16343	125	2	:	:	PUNCT
ajst-16343	126	1	xi'an	xi'an	PROPN
ajst-16343	126	2	university,2021	university,2021	PROPN
ajst-16343	126	3	.	.	PUNCT
ajst-16343	127	1	[	[	X
ajst-16343	127	2	8	8	NUM
ajst-16343	127	3	]	]	X
ajst-16343	127	4	shixinrong	shixinrong	NOUN
ajst-16343	127	5	.	.	PUNCT
ajst-16343	128	1	ultra	ultra	ADJ
ajst-16343	128	2	-	-	ADJ
ajst-16343	128	3	wideband	wideband	ADJ
ajst-16343	128	4	vivaldi	vivaldi	PROPN
ajst-16343	128	5	antenna	antenna	NOUN
ajst-16343	128	6	unit	unit	NOUN
ajst-16343	128	7	and	and	CCONJ
ajst-16343	128	8	array	array	VERB
ajst-16343	128	9	design	design	NOUN
ajst-16343	129	1	[	[	X
ajst-16343	129	2	j	j	X
ajst-16343	129	3	]	]	X
ajst-16343	129	4	.	.	PUNCT
ajst-16343	130	1	journal	journal	PROPN
ajst-16343	130	2	of	of	ADP
ajst-16343	130	3	chinese	chinese	PROPN
ajst-16343	130	4	academy	academy	PROPN
ajst-16343	130	5	of	of	ADP
ajst-16343	130	6	electronic	electronic	ADJ
ajst-16343	130	7	science,2020,11:1065	science,2020,11:1065	PROPN
ajst-16343	130	8	-	-	PUNCT
ajst-16343	130	9	1069	1069	NUM
ajst-16343	130	10	.	.	PUNCT
ajst-16343	131	1	[	[	X
ajst-16343	131	2	9	9	NUM
ajst-16343	131	3	]	]	PUNCT
ajst-16343	131	4	chenjun	chenjun	NOUN
ajst-16343	131	5	.	.	PUNCT
ajst-16343	132	1	an	an	DET
ajst-16343	132	2	ultra	ultra	ADJ
ajst-16343	132	3	-	-	ADJ
ajst-16343	132	4	wide	wide	ADJ
ajst-16343	132	5	band	band	NOUN
ajst-16343	132	6	high	high	ADJ
ajst-16343	132	7	-	-	PUNCT
ajst-16343	132	8	gain	gain	NOUN
ajst-16343	132	9	-	-	PUNCT
ajst-16343	132	10	to	to	ADP
ajst-16343	132	11	-	-	PUNCT
ajst-16343	132	12	heel	heel	NOUN
ajst-16343	132	13	vivaldi	vivaldi	ADJ
ajst-16343	132	14	antenna	antenna	NOUN
ajst-16343	132	15	[	[	X
ajst-16343	132	16	j	j	X
ajst-16343	132	17	]	]	X
ajst-16343	132	18	.	.	PUNCT
ajst-16343	133	1	journal	journal	PROPN
ajst-16343	133	2	of	of	ADP
ajst-16343	133	3	nanjing	nanjing	PROPN
ajst-16343	133	4	university	university	PROPN
ajst-16343	133	5	of	of	ADP
ajst-16343	133	6	information	information	NOUN
ajst-16343	133	7	engineering	engineering	NOUN
ajst-16343	133	8	,	,	PUNCT
ajst-16343	133	9	2021,13(4):461	2021,13(4):461	NOUN
ajst-16343	133	10	-	-	PUNCT
ajst-16343	133	11	466	466	NUM
ajst-16343	133	12	.	.	PUNCT
ajst-16343	134	1	[	[	X
ajst-16343	134	2	10	10	NUM
ajst-16343	134	3	]	]	X
ajst-16343	134	4	wang	wang	PROPN
ajst-16343	134	5	mengmeng	mengmeng	PROPN
ajst-16343	134	6	.	.	PUNCT
ajst-16343	135	1	s	s	X
ajst-16343	135	2	-	-	PUNCT
ajst-16343	135	3	band	band	NOUN
ajst-16343	135	4	high	high	ADJ
ajst-16343	135	5	gain	gain	NOUN
ajst-16343	135	6	vivaldi	vivaldi	PROPN
ajst-16343	135	7	antenna	antenna	NOUN
ajst-16343	135	8	design	design	NOUN
ajst-16343	136	1	[	[	X
ajst-16343	136	2	j	j	X
ajst-16343	136	3	]	]	X
ajst-16343	136	4	.	.	PUNCT
ajst-16343	137	1	microwave	microwave	PROPN
ajst-16343	137	2	journal，2020,36:105	journal，2020,36:105	PROPN
ajst-16343	137	3	-	-	PUNCT
ajst-16343	137	4	108	108	NUM
ajst-16343	137	5	.	.	PUNCT
ajst-16343	138	1	[	[	X
ajst-16343	138	2	11	11	NUM
ajst-16343	138	3	]	]	PUNCT
ajst-16343	138	4	wang	wang	PROPN
ajst-16343	138	5	li	li	PROPN
ajst-16343	138	6	li	li	PROPN
ajst-16343	138	7	.	.	PUNCT
ajst-16343	138	8	liu	liu	PROPN
ajst-16343	138	9	qing	qing	PROPN
ajst-16343	138	10	.	.	PUNCT
ajst-16343	139	1	ultar	ultar	ADJ
ajst-16343	139	2	-	-	PUNCT
ajst-16343	139	3	wide	wide	ADJ
ajst-16343	139	4	band	band	NOUN
ajst-16343	139	5	vivaldi	vivaldi	PROPN
ajst-16343	139	6	antenna	antenna	NOUN
ajst-16343	139	7	with	with	ADP
ajst-16343	139	8	low	low	ADJ
ajst-16343	139	9	rcs	rcs	PROPN
ajst-16343	139	10	for	for	ADP
ajst-16343	139	11	radar	radar	NOUN
ajst-16343	139	12	stealth	stealth	NOUN
ajst-16343	139	13	equipment	equipment	NOUN
ajst-16343	139	14	[	[	X
ajst-16343	139	15	j	j	X
ajst-16343	139	16	]	]	X
ajst-16343	139	17	.	.	PUNCT
ajst-16343	140	1	journal	journal	PROPN
ajst-16343	140	2	of	of	ADP
ajst-16343	140	3	electronic	electronic	ADJ
ajst-16343	140	4	measurement	measurement	NOUN
ajst-16343	140	5	and	and	CCONJ
ajst-16343	140	6	instrumentation	instrumentation	NOUN
ajst-16343	140	7	,	,	PUNCT
ajst-16343	140	8	2022	2022	NUM
ajst-16343	140	9	,	,	PUNCT
ajst-16343	140	10	36(3):122	36(3):122	PROPN
ajst-16343	140	11	-	-	SYM
ajst-16343	140	12	129	129	NUM
ajst-16343	140	13	.	.	PUNCT