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  • 會議論文

基於多通道反濾波原理之主動式管路噪音控制器

Active control of noise in ducts based on multi-channel inverse filtering

摘要


本文提出一個多通道反濾波原理(multiple-input/output inverse theorem, MINT)應用於前饋架構下的主動式消噪控制,在傳統方法,自適應性演算法例如filtered-x least-mean-square(FXLMS)廣泛的被用來處理這項問題,為了確保在實作上的可行性,我們透過模擬的方式將MINT方法與FXLMS演算法做比較,結果可以觀察到MINT方法比起FXLMS演算法的降噪能力還要好。

並列摘要


This paper presents a multiple-input/output inverse theorem (MINT) with an application to active noise control of feedforward architecture in ducts. In traditional approaches, adaptive algorithm, for instance, filtered-x least-mean-square (FXLMS), is broadly used to deal with this task. In order to ensure whether it works in practice, we compare MINT with FXLMS algorithm in simulation, and consequently we can observe that MINT approach has a better noise reduction performance than FXLMS algorithm does.

並列關鍵字

active noise control inverse filtering ducts

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