基于自适应FIR滤波的管道噪声主动控制系统

Active Control System of Piping Noise Based on Adaptive FIR Filter

本文针对固定特性的管道噪声主动控制系统存在的缺陷,应用FIR滤波器和梯度下降算法,设 计了一个自适应FIR控制器,以提高主动控制系统对声学系统时变影响的适应能力。

To overcome the disadvantages of piping noise's active control system with fixed characteristics, an adaptive controller using FIR filter and grads drop algorithm is designed in this paper. It can improve effectively the performance of acoustical active control system.