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    發(fā)布日期: 2021-06-04
  • 語言: 其他
  • 標簽: OFDM程序??

資源簡介

這是我做的OFDM程序,對系統(tǒng)可以有很清楚的認識,里面包含很多子程序,可以直接的調(diào)用

資源截圖

代碼片段和文件信息

%?analysis.m
%?Analysis
disp(‘?‘)?disp(‘------------------------------------------------------------‘)
disp(‘Preparing?Analysis‘)
figure(1)?clf
if?(input_type?==?1)?&?(test_input_type?==?1)
subplot(221)?stem(data_in)?title(‘OFDM?Binary?Input?Data‘);
subplot(223)?stem(output)?title(‘OFDM?Recovered?Binary?Data‘)
else
subplot(221)?plot(data_samples)?title(‘OFDM?Symbol?Input?Data‘);
subplot(223)?plot(output_samples)?title(‘OFDM?Recovered?Symbols‘);
end
subplot(222)?plot(xmit)?title(‘Transmitted?OFDM‘);
subplot(224)?plot(recv)?title(‘Received?OFDM‘);
%?dig_x_axis?=?(1:length(QAM_tx_data))/length(QAM_tx_data);
%?figure(4)?clf?subplot(212)
%?freq_data?=?abs(fft(QAM_rx_data));
%?L?=?length(freq_data)/2;
dig_x_axis?=?(1:length(xmit))/length(xmit);
figure(2)?clf
if?channel_on?==1
num?=?[1?zeros(1?d1-1)?a1?zeros(1?d2-d1-1)?a2];
den?=?[1];
[H?W]?=?freqz(num?den?512);
26
mag?=?20*log10(abs(H));
phase?=?angle(H)?*?180/pi;
subplot(313)
freq_data?=?abs(fft(recv));
L?=?length(freq_data)/2;
plot(dig_x_axis(1:L)?freq_data(1:L))
xlabel(‘FFT?of?Received?OFDM‘)
axis_temp?=?axis;
subplot(311)
freq_data?=?abs(fft(xmit));
plot(dig_x_axis(1:L)?freq_data(1:L))?axis(axis_temp)
title(‘FFT?of?Transmitted?OFDM‘)
subplot(312)
plot(W/(2*pi)mag)
ylabel(‘Channel?Magnitude?Response‘)
else
subplot(212)
freq_data?=?abs(fft(recv));
L?=?length(freq_data)/2;
plot(dig_x_axis(1:L)?freq_data(1:L))
xlabel(‘FFT?of?Received?OFDM‘)
axis_temp?=?axis;
subplot(211)
freq_data?=?abs(fft(xmit));
plot(dig_x_axis(1:L)?freq_data(1:L))?axis(axis_temp)
title(‘FFT?of?Transmitted?OFDM‘)
end
%?if?file_input_type?==?4
%?figure(5)
%?subplot(211)
%?image(data_in);
%?colormap(map);
%?subplot(212)
%?image(output);
%?colormap(map);
%?end
if?do_QAM?==?1?%?analyze?if?QAM?was?done
figure(3)?clf
if?(input_type?==?1)?&?(test_input_type?==?1)
subplot(221)?stem(data_in)?title(‘QAM?Binary?Input?Data‘);
subplot(223)?stem(QAM_data_out)?title(‘QAM?Recovered?Binary?Data‘)
else
subplot(221)?plot(data_samples)?title(‘QAM?Symbol?Input?Data‘);
subplot(223)?plot(QAM_output_samples)?title(‘QAM?Recovered?Symbols‘);
end
subplot(222)?plot(QAM_tx_data)?title(‘Transmitted?QAM‘);
subplot(224)?plot(QAM_rx_data)?title(‘Received?QAM‘);
dig_x_axis?=?(1:length(QAM_tx_data))/length(QAM_tx_data);
figure(4)?clf
if?channel_on?==1
subplot(313)
freq_data?=?abs(fft(QAM_rx_data));
L?=?length(freq_data)/2;
plot(dig_x_axis(1:L)?freq_data(1:L))
xlabel(‘FFT?of?Received?QAM‘)
axis_temp?=?axis;
subplot(311)
freq_data?=?abs(fft(QAM_tx_data));
plot(dig_x_axis(1:L)freq_data(1:L))?axis(axis_temp)
title(‘FFT?of?Transmitted?QAM‘)
subplot(312)
plot(W/(2*pi)mag)
ylabel(‘Channel?Magnitude?Response‘)
else
subplot(212)
freq_data?=?abs(fft(QAM_rx_data));
L?=?length(freq_data)/2;
plot(dig_x_axis(1:L)?freq_data(1:L))
title(‘FFT?of?Received?QAM‘)
27
axis_temp?=?axis;
subplot(211)
freq_data?=?abs(fft(QAM_tx_data));
plo

?屬性????????????大小?????日期????時間???名稱
-----------?---------??----------?-----??----
?????目錄???????????0??2014-03-23?15:08??OFDM-matlab\
?????目錄???????????0??2014-03-23?15:08??OFDM-matlab\OFDM\
?????文件????????5748??2005-05-18?20:38??OFDM-matlab\OFDM\analysis.m
?????文件???????55378??2005-05-18?20:32??OFDM-matlab\OFDM\a_filter_design.m
?????文件??????????42??2005-05-18?20:37??OFDM-matlab\OFDM\a_run_demo.m
?????文件????????3468??2005-05-18?20:40??OFDM-matlab\OFDM\BasicGUI.m
?????文件?????????225??2005-05-18?20:41??OFDM-matlab\OFDM\bin2eight.m
?????文件?????????243??2005-05-24?13:16??OFDM-matlab\OFDM\bin2pol.m
?????文件?????????397??2005-05-24?21:01??OFDM-matlab\OFDM\ch.asv
?????文件?????????397??2005-05-24?21:03??OFDM-matlab\OFDM\ch.m
?????文件?????????199??2005-05-24?21:00??OFDM-matlab\OFDM\ch_clipping.m
?????文件?????????218??2005-05-18?20:43??OFDM-matlab\OFDM\ch_multipath.m
?????文件?????????275??2005-05-24?21:05??OFDM-matlab\OFDM\ch_noise.m
?????文件?????????555??2005-05-18?20:45??OFDM-matlab\OFDM\ComputeChannelGUI.m
?????文件?????????222??2005-05-18?20:45??OFDM-matlab\OFDM\eight2bin.m
?????文件????????6388??2005-05-24?20:56??OFDM-matlab\OFDM\ofdm.asv
?????文件????????2500??2005-05-24?20:44??OFDM-matlab\OFDM\ofdm.fig
?????文件????????6386??2005-05-24?20:59??OFDM-matlab\OFDM\ofdm.m
?????文件?????????528??2005-05-18?20:46??OFDM-matlab\OFDM\ofdm1.m
?????文件????????3442??2005-05-19?11:14??OFDM-matlab\OFDM\OFDMguiFn.asv
?????文件????????3442??2005-05-19?10:11??OFDM-matlab\OFDM\OFDMguiFn.m
?????文件???????10180??2005-05-18?20:47??OFDM-matlab\OFDM\OFDMguiFnSound.m
?????文件?????????434??2005-05-18?20:48??OFDM-matlab\OFDM\pol2bin.m
?????文件????????4436??2005-05-18?20:49??OFDM-matlab\OFDM\QAM.m
?????文件?????????977??2005-05-24?11:21??OFDM-matlab\OFDM\read.asv
?????文件?????????963??2005-05-25?14:23??OFDM-matlab\OFDM\read.m
?????文件?????????510??2005-05-18?20:51??OFDM-matlab\OFDM\rx.m
?????文件?????????228??2005-05-18?20:52??OFDM-matlab\OFDM\rx_chunk.m
?????文件?????????979??2005-05-18?20:53??OFDM-matlab\OFDM\rx_dechunk.m
?????文件????????2865??2005-05-18?20:54??OFDM-matlab\OFDM\setup.m
?????文件?????????293??2005-05-18?20:55??OFDM-matlab\OFDM\SetupGUI.m
............此處省略8個文件信息

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