NEW METHOD FOR DIGITAL ALL-PASS FILTER DESIGN.

被引:65
|
作者
Jing, Zhongqi [1 ]
机构
[1] Univ of Science & Technology, Hefei, China, Univ of Science & Technology, Hefei, China
关键词
ELECTRONIC CIRCUITS; DIGITAL - Computer Aided Design;
D O I
10.1109/TASSP.1987.1165067
中图分类号
学科分类号
摘要
A novel method for designing digital all-pass filters using the Chebyshev criterion is introduced. It is based on a phase-approximation algorithm for polynomial transfer functions. The algorithm utilizes a scheme of iteratively linearizing the nonlinear constraints in nonlinear programming, and converges, theoretically. The design method has the advantage that it finds the best uniform-phase approximation to an arbitrarily specified phase response without an initial guess of the solution. Design examples of orders up to 80, obtained on an IBM-PC/XT personal computer, are given to show the practicability of the method.
引用
收藏
页码:1557 / 1564
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