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A PLS Algorithm for Design of Linear-Phase 2-D FIR Filter with Prescribed Magnitude Ripples

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1 Author(s)
Xiaoping Lai ; Sch. of Inf. Eng., Shandong Univ., Weihai

Least-square (LS) design of two-dimensional (2-D) FIR filters with prescribed magnitude ripples is formulated as a positive definite quadratic programming, for which a recently proposed projected least-square (PLS) algorithm has been shown to be much more efficient than commonly used active methods and popular interior-point methods. After some modification, a more efficient PLS algorithm is obtained in this paper. Accompanied with a binary search, the modified PLS algorithm has been applied to design of smallest size 2-D circular and diamond-shaped FIR filters with prescribed magnitude ripples. Design examples demonstrate the effectiveness and efficiency of the presented design algorithms

Published in:

Communications, Circuits and Systems Proceedings, 2006 International Conference on  (Volume:1 )

Date of Conference:

June 2006