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用matlab的gui编写的DTMF双音多频信号生成与检测的演示程序，运行方法见readme，希望能对大家有所帮助。,Matlab by the gui prepared DTMF DTMF signal generation and detection demo program, run method see readme, for all of us hope to be helpful.
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此文档是DTMF信号的产生与识别仿真实验，实现双音多频信号的检测，对数字信号处理方面的理解很有帮助。欢迎下载-This document is a DTMF signal generation and recognition of simulation, dual tone multi-frequency signal detection, digital signal processing on the understanding helpful. Welcome to download
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DTMF信号检测，在MATlab开发环境下根据GOERTZEL进行编程。-DTMF signal detection
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DTMF信号检测程序，可检测8位语音信号，不包含信号产生程序-DTMF signal detection program that detects eight voice signal does not contain a signal generator
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精确估计双音多频信号的频率
◆通过不同窗函数，画语图分析双音多频信号
◆估计各个时段的频率，频谱分辨率要求≤10Hz（含戈泽尔算法）
◆检测信号包含的电话号码信息
-Accurate estimation of the frequency of a dual tone multi frequency signal.
◆Through different window functions, the picture is drawn to analyze the dual ton
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