Abstract

In this paper, we propose a design method for two-channel nonuniform-division FIR filter bank with variable transmission zeros in the stopband at each filters. For changing transmission variable parameters. In addition, the proposed filter bank satisfies approximately perfect reconstruction condition, and exhibits quasi-equiripple characteristics in the passband and stopband. Linear programming is used to design the proposed filter bank in the frequency domain. The proposed variable two-channel nonuniform-division FIR filter bank can be implemented using the Farrow structure, which is suitable for real time signal processing. The usefulness of the proposed filter bank is demonstrated through an example.

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