id	author	title	date	pages	extension	mime	words	sentence	flesch	summary	cache	txt
ajst-20794	Feng, Hao; Sun, Linjie	Design and Simulation of Butterworth Low-pass Filter	2024	5	.pdf	application/pdf	1786	78	56	Filter order selection Figure 2 shows the amplitude-frequency characteristics of different order filters: N=1 N=2 N=3 N=4 N=5 N=6 N=7 N=8 N=9 N=10 Am pl it ud e/ dB In practice, Butterworth filters have been listed as the first choice, which is widely used in the field of communications, motor testing, radar signal processing field, high-quality audio and so on.	cache/ajst-20794.pdf	txt/ajst-20794.txt