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shiyan2
- 本文主要阐述了DTMF的原理及如何在MATLAB上产生DTMF信号，主要涉及到电话拨号音合成的基本原理及识别的主要方法，利用 MATLAB 软件以及 FFT 算法实现对电话通信系统中拨号音的合成与识别。并进一步利用 MATLAB 中的图形用户界面 GUI 制作简单直观的模拟界面。 能够利用矩阵不同的基频合成 0 － 9 不同按键的拨号音，并能够对不同的拨号音加以正确的识别，实现由拨号音解析出电话号码的过程，完成对电话拨号音系统的简单的实验仿真。-This paper described the
dianhuaben
- 能够输入至多50个电话号码，输入用户姓名，可以查找到相应的电话号码-Be able to enter up to 50 phone numbers, enter the user name, you can find the appropriate telephone number
comunication
- 编程建立一通讯簿，存放有姓名、电话号码、住址，然后对通信簿进行查找、添加、修改及删除。-comunication
wendang
- 电话按键的程序。提示你输入电话号码，输出相应的信号波形。一次为单个号码波形和总波形。-Phone key procedures. Prompts you to enter a phone number, the corresponding output signal waveform. No time for a single wave and the total waveform.
DTMF
- 1)把您的联系电话号码 通过DTMF 编码生成为一个 .wav 文件。 2)对所生成的DTMF文件进行解码-1) put your contact phone number via DTMF codes generated as a. Wav file. 2) files generated by the DTMF decoder
DTMF
- 把您的联系电话号码 通过DTMF 编码生成为一个 .wav 文件，对所生成的DTMF文件进行解码。-Your contact phone number via DTMF codes generated as a. Wav files, file generated by the DTMF decoder.
tele
- 在电话拨号时 ，每个按键都使用双频信号进行区分的，本MATLAB程序就是用来模拟发送号码的发送和接受过程，并发出按键音。-In a telephone dial-up, each button using the dual-band signal distinction, the MATLAB program is used to simulate the sending number to send and accept the process and issue the key tone.
DTMF
- 用户任意输入一段电话号码，程序将其编码成DTMF信号并播放-Input a sequence of telephone number, coding it into DTMF signals and play
dtmf
- 使用matlab编写的关于DTMF的小程序,用来识别输入的电话号码,以及频率等信息.-DTMF using matlab prepared on a small program, enter the phone number used to identify and frequency information.
DTMF
- 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
DTMF_goertzel
- 对给定的DTMF数据进行解码，采用葛泽尔算法，最后解出13位数字（电话号码）-Given DTMF decoding data， use Gezeer algorithm, and finally solve out 13 figures (phone numbers)
data_goe
- 对给定DTMF数据进行解码，采用格泽尔算法，最终解出13位数字（电话号码）-Given DTMF data,use Goertzel ,and get 13 figures.
boxing
- 这是一个DTMF双频拨号信号的生成和检测程序，能够根据输入的电话拨号音检测出号码，并且可以在拨号音中加入噪声和单频干扰-This is the generation and detection program a dual DTMF dialing signals can be detected according to the telephone dial tone number input, and can be added to single-frequency noise and int
频率
- 精确估计双音多频信号的频率，数据文件采样频率为8kHz，“double”格式，估计出电话号码。(Accurate estimation of the frequency of dual tone multifrequency signals, data files, sampling frequency of 8kHz, double format, to estimate the number of the phone.)
sydpbh
- 根据分配的频率，任意输入6位（8位）电话号码，打印出相应的幅度谱和6位（8位）电话号码。(According to the frequency of distribution, 6 phone numbers are randomly input, and the corresponding amplitude spectrum and 6 bit telephone number are printed out.)
电话拨键号码识别
- 数字信号处理课程中，电话拨键号码识别的实现程序(The realization program of telephone key number recognition in digital signal processing course)