对信号Mix_Signal_1 和 Mix_Signal_2　分别作巴特沃斯低通滤波，FIR低通滤波，移动平均滤波，中值滤波，维纳滤波，自适应滤波以及小波滤波。(The signal Mix_Signal_1 and Mix_Signal_2 are used for Butterworth low pass filtering, FIR low pass filtering, moving average filtering, median filtering, Wiener filtering, adaptive filtering and wavelet filtering.)