信号检测
........\add_noise.m
........\averge.m
........\covariance.m
........\decisionv.m
........\estimate.m
........\fftseq.m
........\maintest.m
........\micro_test1.m
........\mydata.m
........\mydata.mat
........\norm.m
........\PN_1.m
........\spower.m
........\ss_mlsrs.m
........\wireless_microphone.m