%%Range Migration Correction,RMC
%NUDT,Hezhihua
%E-mail:skynismile@yahoo.com.cn
%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,-20,20])

Range=sxcrmcyc_xy(:,512).';
Azimuth=sxcrmcyc_xy(256,:).';
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,m')
ylabel('Magnitude,dB')
title('Range')
axis([-5,5,-30,0])
grid on

subplot(223)
plot(y,Azimuth-max(Azimuth))
xlabel('y domain,m')
ylabel('Magnitude,dB')
title('Azimuth')
axis([-5,5,-30,0])
grid on