原始信号\1.txt
........\10.txt
........\13hz.txt
........\2.txt
........\3.txt
........\4.txt
........\5.txt
........\5_256.txt
........\6.txt
........\7.txt
........\8.txt
........\8_256.txt
........\9.txt
........\data_256.txt
........\data_pro.asv
........\data_pro.m
........\g_fft.asv
........\g_fft.m
原始信号