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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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GalileocodinginRaily
说明： 瑞利衰落信道下高斯干扰下的GALILEO编码译码系统性能分析以及误码率的仿真(Rayleigh fading channels under Gaussian interference GALILEO codec system performance analysis and simulation BER)
- 2008-11-25 17:20:44下载
- 积分：1
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Modern-Periodic-Table-Project-in-C
Modern Periodic Table Project in C.
The Modern Periodic Table project in C is a simple console application built without the use of graphics. It is developed using the C programming language for the purpose of storing name, symbol, atomic number, atomic weight, and some important properties as well as to display them as per requirement of the user. The source code for this project is complete and totally error free, and we warmly welcome any feedbacks and suggestions.
- 2014-12-03 16:24:18下载
- 积分：1
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mine
扩频序列仿真代码，包括主函数，产生序列函数，扩频函数，调制函数，多径衰落函数。(Spreading sequences simulation code, including the main function, the sequence function, spread function, modulation function, multipath fading function.)
- 2013-11-18 21:59:17下载
- 积分：1
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fastest_method
适用于机械最优化设计课程的最速下降法程序(For mechanical optimization design course program steepest descent method)
- 2015-03-22 20:13:40下载
- 积分：1
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Motion-DetectionBackgroundSubstruction
背景帧差法的最简单Matlab源代码，对初学者有很大的启发(Background frame difference Matlab source code for the most simple, a great inspiration for beginners)
- 2011-01-07 21:08:42下载
- 积分：1
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SE4110L_Datasheet_Rev3
说明： SE4110GPS接收机芯片。应用于高灵敏度，低功耗GPS、AGPS、手机等等。(The SE4110L is a highly integrated GPS receiver
offering high performance and low-power operation in a
wide range of low-cost applications. It is particularly
well-suited to mobile phone and high sensitivity L1-band
GPS and A-GPS systems.)
- 2010-04-26 20:03:16下载
- 积分：1
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Multi-Wavelet111111
多小波分析工具箱，请大家分享，给与反馈，谢谢大家(Multiwavelet Analysis Toolbox, please share with you, give feedback, thank you)
- 2007-04-11 18:42:16下载
- 积分：1
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MT-Bostick
基于Bostick插值算法的大地电磁法一维正反演Matlab程序(Bostick interpolation algorithm based on magnetotelluric method of one-dimensional forward modeling and inversion Matlab program)
- 2021-04-26 19:18:45下载
- 积分：1
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matlab1111
很不错的基于模板匹配的matlab程序，有意者可以下载下来看看吧(Very good based on template matching matlab program Interested parties can download to see it)
- 2013-02-28 19:00:40下载
- 积分：1
