Complex Lagrange multiplier approach to the design of arbitrary complex coefficient FIR digital filters
Journal
Signal Processing
Journal Volume
35
Journal Issue
2
Pages
117-130
Date Issued
1994
Date
1994
Author(s)
Abstract
The Lagrange multiplier approach has been widely used to design maximally flat, real coefficients FIR digital filters and differentiators. This paper extends this approach to design arbitrary complex coefficient FIR digital filters with arbitrary frequency response or derivative constraints. The method can easily be extended to design arbitrary two-dimensional complex FIR digital filters with arbitrary frequency response or derivative constraints, too. Several examples are presented to demonstrate the effectiveness of the approach. © 1994.
Subjects
complex FIR digital filter; Lagrange multiplier approach; one-sided differentiator; two-dimensional FIR filter
Other Subjects
Constraint theory; Eigenvalues and eigenfunctions; Frequency response; Large scale systems; Least squares approximations; Multiplying circuits; Complex coefficient; Complex far infrared digital filters; Derivative constraints; Lagrange multiplier approach; One sided differentiator; Two dimensional far infrared filter; Digital filters
Type
journal article
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