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논문 기본 정보

저자정보
(Hiroshima University) (Hiroshima University) (Hiroshima University)
저널정보
대한전자공학회 ITC-CSCC :International Technical Conference on Circuits Systems, Computers and Communications ITC-CSCC : 2009
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    초록·키워드

    In this paper, we propose a new FIR filter structure which consists of the shift operation circuits and single multiplier. Though the approximate accuracy for the required frequency response is not better than that of the general FIR filters, the processing speed is higher because most calculation is the shift operation in this structure. The error caused by the change of filter coefficients distributes in the stop-band, so the sharp cutoff characteristic can be retained. Of course, the stability and linear phase characteristic of the filter is also preserved. Also, we show the algorithms for designing the proposed FIR filters. For designing the single multiplier, the Lagrange multiplier method is used, and for optimization of the shift operation circuits, we propose the branch and bound based algorithm. Finally, we show the effectiveness of the proposed method by using the numerical example.

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      UCI(KEPA) : I410-ECN-0101-2012-569-004020927