targetmain.m

一个雷达回波模拟的matlab程序包,含有在RCS服从卡方分布,瑞利分布,对数正态分布下目标的的雷达散射截面模拟子程序

clc;
clear;
f0=7.5e6;
B=30e3
T=0.6;
Num_T=256;
samp_T=512;
Num_sh=3;
RCSmodeltype=0;
RCSparameter1=0;
RCSparameter2=0;
[targetecho_FT1,RCS]=targetge(f0,B,T,Num_T,samp_T,Num_sh,RCSmodeltype,RCSparameter1,RCSparameter2);
for n=1:60
targetecho_FT2(:,n)=fftshift(fft(targetecho_FT1(:,n)));
end
doppler=1/T/Num_T*(-Num_T/2:Num_T/2-1);
range=(1:60)*5;
figure(2)
mesh(range,doppler,20*log10(abs(targetecho_FT2)/max(max(abs(targetecho_FT2)))));   %未积累
colormap hsv
xlabel('range (km)');
ylabel('doppler (Hz)');
zlabel('Am (dB)');