島根大学理学部紀要

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島根大学理学部紀要 25
1991-12-25 発行

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
西村 正太郎
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内容記述(抄録等)
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.