Description: 在MATLAB中用Goertzel算法（先用FFT算法，再用goertzel算法，）仿真DTMF的产生与检测的程序。应用于双音多频信号的产生与检测。-in Goertzel algorithm using MATLAB (first using FFT algorithm, reuse goertzel algorithm) simulation DTMF detection with the selection process. Used DTMF signal detection with the selection. Platform: |
Size: 1027 |
Author:徐政 |
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Description: Goertzel算法是DTMF信号检测的核心，它利用二极点的IIR滤波器计算离散傅立叶变换值，快速有效的提取输入信号的频谱信息。-Goertzel algorithm algorithm is DTMF signal detection at the core, It uses two poles of the IIR filter calculating the discrete Fourier transform value rapid and effective extraction of the input signal spectrum of information. Platform: |
Size: 9216 |
Author:zhaihui |
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Description: 在MATLAB中用Goertzel算法（先用FFT算法，再用goertzel算法，）仿真DTMF的产生与检测的程序。应用于双音多频信号的产生与检测。-in Goertzel algorithm using MATLAB (first using FFT algorithm, reuse goertzel algorithm) simulation DTMF detection with the selection process. Used DTMF signal detection with the selection. Platform: |
Size: 1024 |
Author:徐政 |
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Description: 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 (Dual Tone Multi-Frequency) is a single with two specific combination of audio signals to represent a kind of digital signal coding techniques. Two monosyllabic different frequency, on behalf of the numbers, or the realization of the functions are also different. Eight kinds of frequency of use on behalf of telephone on the 16 keys, 10 numeric keys 0 ~ 9 and 6 function keys*,#, A, B, C, D. The frequency of specific composition of reference books. Requirements: (1) According to the keyboard input of symbols, the use of MATLAB have a corresponding DTMF signal (2), respectively, using FFT algorithm and the Goertzel algorithm DTMF signal spectrum and frequency spectrum draw (3) According to DTMF signal frequency spectrum to determine represented by symbols and input symbols unanimously. Platform: |
Size: 15360 |
Author:wyyy |
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Description: Goertzel algorithms for DTMF decoding demonstrated in MathLab and realized in C for TMS320C6713 and TMS320C5510 DSK. Platform: |
Size: 781312 |
Author:SimonS65 |
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Description: 研究DTMF信号的产生以及基于Goertzel算法的接收原理，并使用MATLAB编程实现DTMF拨号系统的信号发生及接收。-The study of the production of DTMF signal and receiving based on Goertzel algorithm principle, and USES MATLAB programming to realize the DTMF dialing and receiving signal of the system. Platform: |
Size: 38912 |
Author:段绍丽 |
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Description: 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.) Platform: |
Size: 40960 |
Author:许小涛 |
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