Filter design for polyphase filter banks with arbitrary number of subband channels
Resource
Circuits and Systems, 1989., IEEE International Symposium on
Journal
IEEE International Symposium on Circuits and Systems, 1989
Pages
-
Date Issued
1989-05
Date
1989-05
Author(s)
Kang, Wen-Juh
DOI
N/A
Abstract
Consideration is given to the filter design problem for a recently proposed polyphase filter bank with an arbitrary number of subband channels. On the basis of the perfect reconstruction condition for the 1-D case, an analytical formula for the filter design is developed. Compared with direct numerical design algorithms, this analytical formula allows one to design the required low-pass FIR prototype filter with much less computational complexity and to obtain better filter bank performance. A design example is given for illustration.>
Type
journal article
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