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島根大学理学部紀要 Volume 25
published_at 1991-12-25
誤差フィードバックを用いた適応ノッチフィルタの定常解析
Steady-State Analysis of Adaptive Notch Filter Using Error Spectrum Shaping
Nishimura Shotaro
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This paper presents a method to analyze the steady-state characteristics of an adaptive notch filter, when the effects of finite precision arithmetic are taken into account. The reduction of these effects by means of error spectrum shaping is also discussed. Closed-form expressions for the steady-state mean square error of variable coefficient have been obtained Finally the results of computer simulation are shown which confirm the theoretical prediction.
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