Minimax Design of Two-Channel Nonuniform-Division FIR Filter Banks with –1, 0, and +1 Coefficients
Resource
IEEE Transactions on Circuits and Systems I: Fundamental Theory and Applications 46 (10): 1184-1190
Journal
IEEE Transactions on Circuits and Systems I: Fundamental Theory and Applications
Journal Volume
46
Journal Issue
10
Pages
1184-1190
Date Issued
1999-10
Author(s)
Abstract
Utilizing an approximation scheme and a WLS algorithm, we present a method to design two-channel nonuniform-division filter (NDF) banks with continuous coefficients under the minimax criterion. It is shown that the optimal filter coefficients can be obtained by solving only linear equations. In conjunction with a proposed filter structure, a method is then presented to obtain the desired design result with filter coefficients taking on -1, 0, and +1 only. The effectiveness of the proposed technique is demonstrated by a simulation example.
Type
journal article
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