NDLI: Design of all-pass networks using Remez algorithm

Content Provider	IEEE Xplore Digital Library
Author	Ikehara, M. Funaishi, M. Kuroda, H.
Copyright Year	1991
Description	Author affiliation: Fac. of Eng., Nagasaki Univ., Japan (Ikehara, M.; Funaishi, M.; Kuroda, H.)
Abstract	A novel method for designing digital all-pass networks is introduced. Some design methods of all-pass networks have been proposed. However, the drawbacks of these schemes include the need for initial solutions and heavy computations. On the other hand, the design method proposed here finds the best uniform phase approximation through several iterations by solving linear equations. Phase error is regarded as the amplitude of complex error between the designed and desired all-pass function. Then, the Remez exchange algorithm is applied to the amplitude of the complex error, and it is approximated to equiripple. Maximum phase error is minimized, and the best uniform phase approximation in the Chebyshev sense is found. An optimal solution is obtained through several iterations without any initial guess of the solution.<>
Starting Page	364
Ending Page	367
File Size	278535
Page Count	4
File Format	PDF
ISBN	0780300505
DOI	10.1109/ISCAS.1991.176349
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	1991-06-11
Publisher Place	Singapore
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Algorithm design and analysis Chebyshev approximation Transfer functions Design methodology Digital filters Iterative algorithms Design engineering Nonlinear filters Nonlinear equations Polynomials
Content Type	Text
Resource Type	Article

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