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OFDM-MATLAB
首先根据短训练字的特性进行相关运算,进行信号到达检测,当检测到相关值大于门限一定次数后,认为有信号到达。然后根据长训练字的特性,进行相关运算,进行OFDM符号FFT窗口起始位置的估计。估计出FFT窗口的位置后,先在时域进行小频偏的估计,将两个长训练字进行小频偏补偿后,进行FFT运算,根据FFT运算的结果进行整数倍频偏的估计。这些参数估计完成后,就可以进行数据解调了。先对数据部分进行完整的频偏补偿,然后根据估计的FFT窗口位置进行FFT运算得到频域的数据,进行解调。然后在对应于导频的子载波位置上提取出导频信息,根据导频信息估计出剩余定时误差以及剩余的信道响应误差,将误差量送入环路进行跟踪。当收到所有数据后,重新回到信号到达检测状态,进行下一次信号到达的检测和信号接收。(failed to translate)
- 2020-11-04 22:59:52下载
- 积分:1
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A-matlab-code-to-printscreen-
MATLAB实现截屏的小程序,能够进行部分截取(MATLAB implementation applet screenshot)
- 2013-10-30 16:20:27下载
- 积分:1
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LS
说明: 数字信号处理中最小二乘法对信号进行处理的程序编写(Least squares in digital signal processing the signal processing programming)
- 2011-04-26 18:19:42下载
- 积分:1
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lijiang
利用authorware制作的丽江旅游介绍,利用authorware的四种交互,对于初学者是一个较好的实用例子。(produced using authorware tourism on Lijiang, using authorware four interactive, for beginners is a good practical example.)
- 2007-05-12 18:38:03下载
- 积分:1
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Pseudo-Random-Generator(Autokorelation-function-o
Pseudo-Random Generator(Autokorelation function of PN secvence)
- 2011-08-04 23:27:29下载
- 积分:1
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matlab_genetic
matlab genetic algorithm 基本matlab遺傳演算法程序(matlab genetic algorithm genetic algorithm matlab basic procedures)
- 2008-01-06 16:45:02下载
- 积分:1
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RayleighFadingchannelusingmatlab
....瑞利平坦衰变信道.doc
....channel_model
....AS2sigma_gaussian_90.mat
....AS2sigma_gaussian_180.mat
....AS2sigma_laplacian_90.mat
....correlation.m
....dialog.m
....erfcomp.m
....geometry2correlation.m
....Rxx_gaussian.m
....Rxx_laplacian.m
....Rxy_gaussian.m
(.... Rayleigh flat decay channel. Doc .... channel_model .... AS2sigma_gaussian_90.mat .... AS2sigma_gaussian_180.mat .... AS2sigma_laplacian_90.mat .... correlation.m .... dialog. m .... erfcomp.m .... geometry2correlation.m .... Rxx_gaussian.m .... Rxx_laplacian.m .... Rxy_gaussian.m)
- 2008-03-14 19:53:31下载
- 积分:1
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MatlaModulation
说明: matlab仿真产生AM、BPSK、QPSK源码程序(matlab simulation produced AM, BPSK, QPSK source program)
- 2009-08-12 14:45:06下载
- 积分:1
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ofdm_simu
说明: 使用MATLAB,对基于IFFT/FFT实现的OFDM系统进行仿真(The use of MATLAB, based on IFFT/FFT in OFDM system to achieve simulation)
- 2008-11-28 16:44:50下载
- 积分:1
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compress
compress an image using DCT transform
- 2011-05-05 03:07:48下载
- 积分:1