fig1_2.asv

条带式合成孔径雷达的cs。RDA。RMA算法 作者何志华

%%Range Migration Correction,RMC
%NUDT,Hezhihua
%E-mail:[e-mail]
%last update:24/6/2005

load rda_img.mat sxcrmcyc_xy x y Xc Nx Ny;

subplot(221)
plot_img(y,x-Xc,sxcrmcyc_xy,60)
xlabel('y domain(cross-range),m')
ylabel('x domain(range),m')
title('|s_x_c_r_m_c_y_c(x,k_y)|')
axis([-40,40,-40,40])

Range=sxcrmcyc_xy(:,513).';
Azimuth=sxcrmcyc_xy(257,:).';
Range=20*log10(abs(Range)+1e-6);
Azimuth=20*log10(abs(Azimuth)+1e-6);
subplot(222)
plot(x-Xc,Range-max(Range))
xlabel('x domain(cross-range),m')
ylabel('Magnitude,dB')
title('Range')
axis([-5,5,-30,0])

subplot(223)
plot(y,Azimuth-max(Azimuth))