A comb filter design using fractional-sample delay
Resource
Circuits and Systems, 1997. ISCAS '97., Proceedings of 1997 IEEE International Symposium on
Journal
IEEE International Symposium on Circuits and Systems, 1997. ISCAS '97
Pages
-
Date Issued
1997-06
Date
1997-06
Author(s)
Tseng, Chien-Cheng
DOI
N/A
Abstract
In this paper, a new comb filter design method using fractional sample delay is presented. First, the specification of the comb filter design is transformed into that of fractional delay filter design. Then, conventional FIR and allpass filter design techniques are directly applied to design fractional delay filter with transformed specification. Next, we develop a constrained fractional delay filter design approach to improve the performance of the direct design method. Finally, several design examples are demonstrated to illustrate the effectiveness of this new design approach.
Type
journal article
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