Multiplierless implementation of bandpass and bandstop IIR digital filters

Abstract

Some low-sensitivity transformations are investigated, wherein a prototype lowpass filter is transformed into a bandpass (bandstop) filter with low-sensitivity using such transformation. The modified coefficients being quite small, they require few shifts and adds and/or subtracts for implementation when these are expressed in minimum signed powers of two… (More)
DOI: 10.1109/ICASSP.2002.5745326

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