Page 131 - 《应用声学》2022年第5期

第 41 卷 第 5 期 钟丽琴等： 水下流激孔腔噪声前馈有源控制实验研究 807

从图 6(d) 可以看到，正则化因子越小在腔内辅助监 [6] Samimy M, Debiasi M, Caraballo E, et al. Feedback
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频段的降噪影响相似。β 越大，在目标降噪频段的降 control of cavity noise using proper orthogonal decompo-
噪量减少，但是对腔内测点的影响会减小，所以需要 sition reduced-order model[J]. Computers & Fluids, 2018,
合理选择β 均衡在误差点和辅助监测点的降噪。 160: 1–13.
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本文通过实验研究了前馈 ANC 方法用于水下
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现。控制器的设计采用固定系数维纳解，通过仿真 668–678.
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