The eigenfilter for the design of linear-phase filters with arbitrary magnitude response

Authors:
T. Q. Nguyen
Affiliations:
Lincoln Lab., MIT, Lexington, MA, USA
Venue:
ICASSP '91 Proceedings of the Acoustics, Speech, and Signal Processing, 1991. ICASSP-91., 1991 International Conference
Year:
1991

Citing 0
Cited 2

Peak constrained two-dimensional quadrantally symmetric eigenfilter design without transition band specification

Signal Processing
Reduction of symmetric complex filters

IEEE Transactions on Signal Processing

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Abstract

The author studies the design of linear-phase FIR (finite impulse response) digital filters to approximate linear-phase functions with arbitrary magnitude response. The design method is based on the computation of an eigenvector of an appropriate real, symmetric, and positive-definite matrix. The design of complex-coefficient linear-phase filters is shown to be an extension of the design of the real-coefficient filter. Several examples are presented which demonstrate the usefulness of the approach.