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This commit is contained in:
Antonio Ramos 2018-01-24 12:35:57 +01:00
parent 2e2c3474be
commit df63217da0
1 changed files with 6 additions and 1 deletions
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7
src/utils/matlab/plot_acq_grid.m
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@ -31,7 +31,7 @@
% */ % */
%%%%%%%%% ¡¡¡ CONFIGURE !!! %%%%%%%%%%%%% %%%%%%%%% ¡¡¡ CONFIGURE !!! %%%%%%%%%%%%%
sat = 30; sat = 27;
n_chips = 1023; n_chips = 1023;
system = 'G'; % GPS = 'G', Galileo = 'E' system = 'G'; % GPS = 'G', Galileo = 'E'
%%% True for light grid representation %%% True for light grid representation
@ -51,22 +51,27 @@ delay = (0 : n_fft - 1) / n_fft * n_chips;
figure(1) figure(1)
if(lite_view == false) if(lite_view == false)
surf(freq, delay, grid) surf(freq, delay, grid)
ylim([min(delay) max(delay)])
else else
delay_interp = (0 : n_samples_per_chip * n_chips - 1) / n_samples_per_chip; delay_interp = (0 : n_samples_per_chip * n_chips - 1) / n_samples_per_chip;
grid_interp = spline(delay, grid', delay_interp)'; grid_interp = spline(delay, grid', delay_interp)';
surf(freq, delay_interp, grid_interp) surf(freq, delay_interp, grid_interp)
ylim([min(delay_interp) max(delay_interp)])
end end
xlabel('Doppler shift / Hz') xlabel('Doppler shift / Hz')
xlim([min(freq) max(freq)])
ylabel('Code delay / chips') ylabel('Code delay / chips')
zlabel('Test statistics') zlabel('Test statistics')
figure(2) figure(2)
subplot(2,1,1) subplot(2,1,1)
plot(freq, grid(d_max, :)) plot(freq, grid(d_max, :))
xlim([min(freq) max(freq)])
xlabel('Doppler shift / Hz') xlabel('Doppler shift / Hz')
ylabel('Test statistics (fixed delay)') ylabel('Test statistics (fixed delay)')
subplot(2,1,2) subplot(2,1,2)
plot(delay, grid(:, f_max)) plot(delay, grid(:, f_max))
xlim([min(delay) max(delay)])
xlabel('Code delay / chips') xlabel('Code delay / chips')
ylabel('Test statistics (fixed Doppler shift)') ylabel('Test statistics (fixed Doppler shift)')