Title :
An equiripple bandpass recursive digital filter with adjustable skirt selectivities
Author :
Thajchayapong, P. ; Suwatanapankul, V. ; Cheevasuvit, F.
Author_Institution :
King Mongkut´´s Institute of Technology, Bangkok, Thailand
Abstract :
A method is proposed for the design of a recursive digital filter with equiripple passband magnitude response and exchangeable zeros at ωT = 0 and ωT = π rad, hence adjustable skirt selectivities. It employs the transform variables technique which is well known for numerical accuracy.
Keywords :
Attenuation; Band pass filters; Chebyshev approximation; Digital filters; Filtering theory; Narrowband; Passband; Poles and zeros; Sampling methods; Transfer functions;
Journal_Title :
Proceedings of the IEEE
DOI :
10.1109/PROC.1980.11632
