搜索资源列表
数字滤波器例程
- 切比雪夫滤波器 巴特沃兹滤波器 数字滤波器 以及双音多频 DTMF ( Dual Tone Multi-Frequency )信号分析例程
DTMF双音多频信号生成与检测的演示程序
- 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.
dtmfs
- matlab实现的DTMF,可以产生DTMF信号然后识别出来。-matlab realized DTMF, can generate DTMF signals and then identified.
genDTMF
- 用matlab仿真产生双音多频DTMF信号.-Simulation using matlab generate DTMF DTMF signal.
awgn
- DTMF(双音多频)是用两个特定的单音频组合信号来代表数字信号的一种编码技术。两个单音的频率不同,代表的数字或实现的功能也不同。可采用8种频率代表电话机上的16个按键,10个数字键0~9和6个功能键*、#、A、B、C、D。具体的频率组合见参考书。要求: (1) 根据键盘输入的符号,利用MATLAB产生对应的DTMF信号;(2) 分别利用FFT算法和Goertzel算法计算该DTMF信号的频谱并画出频谱图;(3) 根据频谱图确定DTMF信号所代表的符号是否和输入的符号一致。 -DTMF (
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
DTMF
- 该软件可以解析声音信号中的dtmf编码,值得下载一试。-The software can resolve the dtmf encoding sound signals
DTMF
- 实现dtmf双音多频信号的matlab仿真编码和解码,采用coertzel算法。-Methods of measurement for pushbutton telephone with DTMF
GoertzelAlgorithm
- 关于在MATLAB上产生DTMF信号以及对DTMF的监测-On MATLAB to generate DTMF signals and the monitoring of DTMF
cellphonesound
- 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
12
- 编写Goertzel算法的程序,识别各DTMF信号所对应对应的数字。比较fft与Goertzel算法的效率; -Goertzel algorithm written procedures for identifying the corresponding DTMF signal corresponding to the number. Goertzel algorithm and compare the efficiency of fft
GUI-DTMF
- DTMF的GUI界面生成,显示电话按键,生成信号,画出功率谱-GUI interface to generate DTMF, display the phone keys, generates a signal, draw power spectrum
DTMF
- 基于MATLAB 的DTMF 信号的生成与解码-Based on the MATLAB DTMF signal generation and decoding
xin
- DTMF信号检测,在MATlab开发环境下根据GOERTZEL进行编程。-DTMF signal detection
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
- 产生、播放DTMF音频,基于Goertzel算法估计DTMF音频,完成双音多频(DTMF)信号的检测-Generating, playing DTMF tones, DTMF tones based on the estimated Goertzel algorithm to detect the completion of dual tone multi-frequency (DTMF) signal
work
- dtmf 信号产生于解码(The DTMF signal is generated by decoding)
test2
- 基于matlab的dtmf信号传输过程及通信系统的软件仿真,包含gui界面。(Matlab based DTMF signal transmission process and communication system software simulation, including GUI interface.)
双音多频(DTMF)信号的MATLAB仿真
- 双音多频(DTMF)信号的MATLAB仿真,已经通过调试 含源码及课设报告(Matlab simulation of DTMF signal has passed debugging, including source code and course design report)