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An advanced design of two-dimensional linear phase notch FIR filters is presented. The completely analytical design method is based on Zolotarev polynomials. A closed form solution of the design of two-dimensional notch FIR filters is presented. One example demonstrates the efficiency of the presented design procedure.
This brief introduces perfect decomposition filter banks based on narrow-band linear-phase finite impulse response (FIR) filters. They consist of inner and lateral FIR filters. The inner filters are optimal equiripple narrow-bandpass FIR filters based on isoextremal polynomials. The inner filters are supplemented by lateral narrow-band low- and high-pass FIR filters. The concept of such isoextremal...
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