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A new approach to FIR digital filters with fewer multipliers and reduced sensitivity

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2 Author(s)

A new approach to the design of efficient finite impulse response (FIR) digital filters is presented. The essence of the proposed method is to decompose the design problem into two parts: the realization of an efficient prefilter and the design of the corresponding amplitude equalizer. It is shown that this method can provide benefits in three areas: reduced computational complexity, reduced sensitivity to coefficient quantization, and reduced roundoff noise.

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Circuits and Systems, IEEE Transactions on  (Volume:30 ,  Issue: 5 )