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仿真OFDM传输系统

于 2020-07-26 发布

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代码说明：

说明：基于matlab实现对OFDM的仿真，包括信道turbo编解码，以及QAM调制(OFDM simulation based on MATLAB, including channel turbo coding and decoding, and QAM modulation)

文件列表：

仿真OFDM传输系统, 0 , 2018-05-11
仿真OFDM传输系统\ber_QAM.m, 733 , 2018-05-11
仿真OFDM传输系统\guard_interval.m, 167 , 2018-05-11
仿真OFDM传输系统\OFDM_basic.m, 4361 , 2018-05-11
仿真OFDM传输系统\OFDM_ber.jpg, 247928 , 2018-05-11
仿真OFDM传输系统\OFDM_BER_AWGN_CP_GL16.dat, 105 , 2018-05-11
仿真OFDM传输系统\plot_ber.m, 416 , 2018-05-11
仿真OFDM传输系统\Q.m, 98 , 2018-05-11
仿真OFDM传输系统\remove_GI.m, 261 , 2018-05-11

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clear all clc t=0:1/1000:10-1/1000 s=sin(2*pi*t) snr=20 s_power=var(s) varience of s linear_snr=10^(snr/10) factor=sqrt(s_power/linear_snr) noise=randn(1,length(s))*factor x=s+noise Ó É SNR¼ Æ Ë ã Ë æ » úÔ ë É ù x1=noise Ô ë É ùÔ ´ Ê ä È ë x2=noise w1=0 È ¨Ï µ Ê ý ³ õ Ö µ w2=0 e=zeros(1,length(x)) y=0 u=0.05 for i=1:10000 LMSË ã ·¨ y(i)=w1*x1(i)+w2*x2(i) e(i)=x(i)-y(i) w1=w1+u*e(i)*x1(i) w2=w2+u*e(i)*x2(i) end figure(1) subplot(4,1,1)

2010-10-26 16:41:03下载

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积分：1

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仿真OFDM传输系统

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