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ofdmproj_win.rar

代碼片段和文件信息
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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);
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‘)
?屬性????????????大小?????日期????時間???名稱
-----------?---------??----------?-----??----
?????文件???????6514??2016-09-24?14:19??ofdmproj_win\analysis.m
?????文件???????3310??2016-09-24?14:19??ofdmproj_win\a_filter_design.m
?????文件????????577??2016-09-24?14:19??ofdmproj_win\a_run_demo.m
?????文件???????2187??2001-04-23?14:30??ofdmproj_win\a_test_data\busride.jpg
?????文件???????2282??2001-04-23?14:30??ofdmproj_win\a_test_data\busride2.jpg
?????文件???????3550??2001-04-23?14:30??ofdmproj_win\a_test_data\chip.bmp
?????文件???????1592??2001-04-23?14:30??ofdmproj_win\a_test_data\chip.gif
?????文件??????17078??2001-04-23?14:30??ofdmproj_win\a_test_data\Fish2.bmp
?????文件??????????0??2001-04-23?14:30??ofdmproj_win\a_test_data\Icon
?????文件??????18092??2001-04-23?14:30??ofdmproj_win\a_test_data\short.wav
?????文件???????3948??2001-04-23?14:30??ofdmproj_win\a_test_data\shorter.wav
?????文件????????430??2001-04-23?14:30??ofdmproj_win\a_test_data\sine440Hz.wav
?????文件????????403??2001-04-23?14:30??ofdmproj_win\a_test_data\text.txt
?????文件????????416??2001-04-23?14:30??ofdmproj_win\a_test_data\text_out.txt
?????文件????????888??2001-04-23?14:30??ofdmproj_win\a_test_data\tone.wav
?????文件???????4026??2016-09-24?14:20??ofdmproj_win\BasicGUI.m
?????文件???????2160??2001-04-23?14:29??ofdmproj_win\BasicGUI.mat
?????文件???????4623??2016-09-24?14:20??ofdmproj_win\basicgui_win.m
?????文件???????2032??2001-04-23?14:30??ofdmproj_win\basicgui_win.mat
?????文件????????674??2016-09-24?14:20??ofdmproj_win\bin2eight.m
?????文件????????682??2016-09-24?14:20??ofdmproj_win\bin2pol.m
?????文件????????463??2005-05-26?14:11??ofdmproj_win\ch.asv
?????文件????????918??2016-09-24?14:20??ofdmproj_win\ch.m
?????文件????????160??2005-05-26?14:11??ofdmproj_win\ch_clipping.asv
?????文件????????615??2016-09-24?14:21??ofdmproj_win\ch_clipping.m
?????文件????????204??2005-05-26?14:11??ofdmproj_win\ch_multipath.asv
?????文件????????659??2016-09-24?14:21??ofdmproj_win\ch_multipath.m
?????文件????????263??2005-05-26?14:11??ofdmproj_win\ch_noise.asv
?????文件????????718??2016-09-24?14:21??ofdmproj_win\ch_noise.m
?????文件???????1013??2016-09-24?14:21??ofdmproj_win\ComputeChannelGUI.m
............此處省略108個文件信息
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