A new approach to the weighted peak‐constrained least‐square error FIR digital filter optimal design problem

A new approach to the weighted peak‐constrained least‐square error FIR digital filter optimal design problem

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Article ID: iaor20119941
Volume: 50
Issue: 2
Start Page Number: 445
End Page Number: 461
Publication Date: Oct 2011
Journal: Computational Optimization and Applications
Authors: ,
Keywords: programming: quadratic, optimization, engineering
Abstract:

This paper deals with the design of linear‐phase finite impulse response (FIR) digital filters using weighted peak‐constrained least‐squares (PCLS) optimization. The PCLS error design problem is formulated as a quadratically constrained quadratic semi‐infinite programming problem. An exchange algorithm with a new exchange rule is proposed to solve the problem. The algorithm provides the approximate optimal solution after a finite number of iterations. In particular, the subproblem solved at each iteration is a quadratically constrained quadratic programming. We can rewrite it as a conic optimization problem solvable in polynomial time. For illustration, numerical examples are solved using the proposed algorithm.

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