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Nonlinear-Phase Maximally-Flat FIR Filter Deisgn

By Ivan W. Selesnick and C. Sidney BurrusIvan W. Selesnick and C. Sidney Burrus


Conference PaperThis paper reports a new analytic technique for the design of nonlinear-phase maximally-flat lowpass FIR filters. By subjecting the response magnitude and the group delay (individually) to differing numbers of flatness constraints, a new family of filters is obtained. With these filters, the delay can be reduced while maintaining relatively constant group delay in the passband, without significantly altering the response magnitude

Topics: FIR filters, nonlinear-phase, maximally-flat, FIR filters, nonlinear-phase, maximally-flat
Year: 2001
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