基于MATLAB的DTMF拨号演示文件，可帮助理解DTMF的基本原理.文件列表: DTMFwithGUI ...........\Call10DigitNumber ...........\.................\call10gui.fig ...........\.................\call10gui.m ...........\.................\call10number.m ...........\.................\filter_bank.mat ...........\.................\signals.mat ...........\.................\sliceanddecode.m ...........\fft_gontzel ...........\...........\gui.fig ...........\...........\gui.m ...........\...........\phone_pad.m ...........\...........\signals.mat ...........\...........\update_gui.m ...........\filterBanks ...........\...........\filter_bank.mat ...........\...........\gui.fig ...........\...........\gui.m ...........\...........\myiirnotch.m ...........\...........\mynotchfilter.m ...........\...........\phone_pad.m ...........\...........\signals.mat ...........\...........\update_gui_bank.m……