用软件方法实现工频干扰信号的滤波

Use Software to Realize the Filter of Industrial Frequency Disturbing Signal

提出一种不用硬件设备而用软件消除干扰的方法,经仿真及其应用,得到了满意的效果。结合的置滤波和采样周期进行工频信号的同步控制,可以得到高精度滤波。

A software filter is proposed in the paper. If predicting filter is used and the sampling period can be controlled by industrial frequency signal synchronously,this software filter may achieve high accuracy.