At first, this paper review the growing course of the technology for noise control, then, it made kinds of emulation for the popular used noise control system based on FX-LMS structure.

• 主要对FX-LMS结构中可能影响系统噪声抵消性能的因素(辅助通道和误差通道)，在典型的背景噪声下，进行了比较研究。