多通道自适应有源噪声控制器的设计

Design of multi-channel adaptive active noise control system

介绍了基于DSP的多通道自适应有源噪声控制系统,给出了系统的硬件结构及其工作原理,详细说明了有源噪声控制的自适应噪声控制算法,并给出了程序流程图.本系统采用基于Widrow HoffLMS算法的横向FIR型Filter X算法.该控制系统通过大量实验验证,得到很好的控制结果.

A multi-channel adaptive active noise control system is proposed based on DSP .The hardware structure and working principles are given. The adaptive active noise control algorithm is elaborated. The flow chart of the program is given. This system uses the Filter-X transverse algorithm based on the Widrow-Hoff LMS algorithm. This control system is verified by lots of experiments.