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.
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。
in this paper, the partial-update algorithm used in the multi-channel active noise control system is investigated, and a variety of factors influencing the hardware implementation are discussed.
研究了局部迭代算法在多通道有源控制系统中的应用,讨论了系统选取不同通道数和 滤波器长度时,对算法硬件实现的影响。
a modified algorithm of an active noise control system based on frequency-selective filter (fsfanc) is proposed.
提出了一种改进的选频有源噪声控制(fsfanc)算法。
the active noise control system design has been becoming one of important research contents in the field of the active noise control.
基于自适应控制策略的噪声主动控制系统设计已经成为了噪声主动控制领域的重要研究内容之一。
then the multi-channel self-adaptive active noise control system is designed, and the noise control tests are processed in a close circumstance.
设计多通道自适应有源噪声控制系统,利用滤波-x lms算法进行封闭环境的噪声控制实验。
on the basis of the above-mentioned simulation analysis, a real-time adaptive active noise control system based on engine rotation speed in a minibus is established.
在上述仿真研究的基础上,在某轻型客车上建立了的基于发动机转速的车内噪声实时自适应主动控制系统。
finally, the designed active noise control system is applied to bus, a good results of noise reduction is achieved.
将此系统应用于公交车的噪声控制,取得良好的降噪效果。