Title :
Variable-centre-frequency constant-bandwidth linear-phase digital bandpass filters
Author :
Ahuja, S.S. ; Roy, S.C.Dutta
Author_Institution :
Aircraft Design Bureau Hindustan Aeronautics Ltd., Bangalore, India
Abstract :
A third-order cosine transformation is used to obtain a variable-centre-frequency constant-bandwidth linear-phase digital bandpass filter, the bandwidth being the same as that of the prototype bandpass filter.
Keywords :
band-pass filters; digital filters; bandwidth; cosine transformation; digital bandpass filters;
Journal_Title :
Electronics Letters
DOI :
10.1049/el:19790173
