1016 インパルス応答補間法による任意の位置での誤差経路伝達関数の推定(OS-6.GS-10 音響計測と制御)

概要

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In active noise control, transfer function of the error path changes a lot when an evaluation point moves, and so it is difficult to predict exactly the change of transfer function according to the position of an evaluation point by the conventional method. In this study, a new method, which paid attention to the regular change of impulse response of transfer function according to the position of an evaluation point was proposed. The theoretical analysis and experiment with an 1-dimensional duct system with fixed-open end carried out. It was found that this method could predict the transfer function exactly at arbitrary evaluation point between point A and C, where the transfer function were measured at both parts.
一般社団法人日本機械学会の論文
2004-03-17