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New analytical model for the filtered-x least mean squares algorithm verified through active noise control experiment

机译:通过有源噪声控制实验验证的滤波x最小均方算法的新分析模型

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摘要

This paper presents a new analytical model for the behavior of the Filtered-x LMS adaptive algorithm when applied to active noise control (ANC) in a finite duct. The new model is derived using a stochastic differential equation (SDE) approach. The theoretical predictions are verified through experimental results. The real-time system has been implemented using only I/O cards and a general purpose computer. Automation of the experimental setup allows the practical verification of the theoretical statistical model using Monte Carlo techniques. It is verified that the behavior of the algorithm is accurately predicted by the theoretical model.
机译:本文针对Filtered-x LMS自适应算法在有限导管中的主动噪声控制(ANC)时的行为,提出了一种新的分析模型。使用随机微分方程(SDE)方法导出新模型。通过实验结果验证了理论预测。仅使用I / O卡和通用计算机即可实现实时系统。实验装置的自动化允许使用蒙特卡洛技术对理论统计模型进行实际验证。通过理论模型验证了算法的行为是正确的。

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