拨号\bohao.m
....\caiyang.m
....\dft.m
....\xinhao.dat
....\yy.dat
....\新建文件夹\abc.m
....\..........\detect_DTMF.m
....\..........\generateDTMF.m
....\..........\goertzel_DTMF.m
....\正确现象截图说明.docx
....\程序使用方法.txt
....\新建文件夹
拨号