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- plot equalized syms

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- adjust help text

git-svn-id: http://moon:8086/svn/matlab/trunk@49 801c6759-fa7c-4059-a304-17956f83a07c
This commit is contained in:
jens
2015-05-01 11:03:38 +00:00
parent efd0633b58
commit 6d1e19cdc5
2 changed files with 19 additions and 7 deletions
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ofdm/ofdm_rx.m
+15 -6
View File
@@ -1,9 +1,8 @@
function [sym_out, H, W] = ofdm_rx(filename, foff, SNR, with_cir) function [sym_out, H, W] = ofdm_rx(filename, foff, SNR, with_cir)
% %
% Example: ofdm_rx('drm-15435-if.wav', -174.65, -400, 0) % Example: ofdm_rx('drm-15435-if.wav', -174.65, 400, 0)
% Example: ofdm_tx(40, 1) % Example: ofdm_rx('xv.wav', 0, 400, 0)
% ofdm_rx('xv.wav', 0, -400, 0) % or ofdm_rx('yv.wav', 0, 400, 0)
% or ofdm_rx('yv.wav', 0, -400, 0)
close all; close all;
@@ -268,10 +267,20 @@ for k=start:length(Z_)
sym_out(:, kk) = sym_eq; sym_out(:, kk) = sym_eq;
if 1 if 1
H_raw(1:2:N) = H_raw(2:2:N); H_raw(1:2:N) = H_raw(2:2:N);
subplot(2, 1, 1) subplot(3, 1, 1)
plot(carriers, abs(H_raw(carrier_indexes)), 'b-', carriers, abs(H), 'r-'); grid; title('abs(H)'); axis([ofdm_spec_occ.kmin ofdm_spec_occ.kmax 0 15+0*max(abs(H))]); title(str); plot(carriers, abs(H_raw(carrier_indexes)), 'b-', carriers, abs(H), 'r-'); grid; title('abs(H)'); axis([ofdm_spec_occ.kmin ofdm_spec_occ.kmax 0 15+0*max(abs(H))]); title(str);
subplot(2, 1, 2) subplot(3, 1, 2)
plot(carriers, angle(H_raw(carrier_indexes)), 'b-', carriers, angle(H), 'r-'); grid; title('phi(H)'); axis([ofdm_spec_occ.kmin ofdm_spec_occ.kmax -4 4]); title(str); plot(carriers, angle(H_raw(carrier_indexes)), 'b-', carriers, angle(H), 'r-'); grid; title('phi(H)'); axis([ofdm_spec_occ.kmin ofdm_spec_occ.kmax -4 4]); title(str);
subplot(3, 1, 3)
plot(carriers, abs(sym_eq), 'b-'); grid; title('abs(Sym_{Eq})'); axis([ofdm_spec_occ.kmin ofdm_spec_occ.kmax 0 2]); title(str);
hold on;
for b=c2i(N, carrier_pilot)
x = [b b];
y = [0 2];
plot(x-1,y, 'r-');
end
hold off;
pause(0.01); pause(0.01);
else else
fac_c = fac_cell_list{symbol_counter+1}; fac_c = fac_cell_list{symbol_counter+1};
ofdm/ofdm_tx.m
+4 -1
View File
@@ -1,5 +1,8 @@
% function ofdm_tx(N_frames)
function [yv xv] = ofdm_tx(mode, bandwidth, N_frames, withData, plot_speed) function [yv xv] = ofdm_tx(mode, bandwidth, N_frames, withData, plot_speed)
%
% function [yv xv] = ofdm_tx(mode, bandwidth, N_frames, withData, plot_speed)
% Example : ofdm_tx('B', '10k', 500, 1, 0);
%
close all; close all;