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自适应有源消声次级源安装角度优化试验与研究

Keywords: 有源消声,自适应滤波,降噪,自适应控制

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Abstract:

针对一个基于Filtered-xLMS算法并应用M序列的在线自适应有源消声控制系统,研究了发动机排气管道有源消声控制中次级声源安装角度对消声效果的影响.通过改变次级声源的安装角度,在线检测其消声效果,实验验证了这种理论方法的有效性.最后得出如何优化次级声源的安装以改善发动机排气管道的消声效果.

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