十种软件滤波算法 限副滤波 中位值滤波法 算术平均滤波法 递推平均滤波法（又称滑动平均滤波法）中位值平均滤波法（又称防脉冲干扰平均滤波法） -filtering software filtering algorithm limits Vice median filtering method arithmetic average recursive filtering average filtering method (also known as the moving average filter