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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 (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.)
- 2008-12-24 20:12:16下载
- 积分：1
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RESORCH
说明： 机器人同时定位与地图创建研究中重要的内容(important for SLAM)
- 2010-04-08 20:00:26下载
- 积分：1
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TD-SCDMA_RAKE
这是一个TD-SCDMA系统的RAKE接收模型，希望对大家有用。(This is a TD-SCDMA system RAKE receiver model, we hope that the right useful.)
- 2007-05-10 10:43:25下载
- 积分：1
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show_SNA
显示奇怪非混沌吸引子. 获得数据后, 用外部软件: origin等画出.(showed strange non-chaotic attractor. Access to data, the use of external software : origin such as paint.)
- 2007-06-15 21:09:16下载
- 积分：1
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Stiction
Stiction建模Simulink model.
用于化工控制过程的测试。(Stiction model
for performance assessment on process control)
- 2020-12-10 21:59:18下载
- 积分：1
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QRcode
QRcode标准，非常不错的学习和编码资源，有需要的朋友请下载。(QRcode standard)
- 2015-01-09 11:25:04下载
- 积分：1
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Note-on-A-Remez-Exchange-Algorithm-for-orthonormal
最大频率选择小波的实现的经典论文之一，非常有启发性(The realization of maximum frequency selective wavelets, one of the classic papers, very enlightening)
- 2009-12-14 13:31:24下载
- 积分：1
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Monte-carlo
蒙特卡洛算法用于解非线性方程，包括三个函数(Monte Carlo algorithm for solving nonlinear equations, including the three functions)
- 2011-08-19 10:24:41下载
- 积分：1
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TRUSS2D
FEM matlab program for truss 2D problemes
- 2013-08-15 02:33:32下载
- 积分：1
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radarsuanfa
是关于雷达算法的一些资料 主要是用来做速度退模糊的算法 学雷达方面的多看看(Is some information about the radar algorithm is mainly used for the speed radar back fuzzy learning algorithm' s see more)
- 2011-11-05 21:37:30下载
- 积分：1
