sar_echo.m

回波信号模拟

clear all;
%======================================================================
%%% (I) parameters' definition
%======================================================================
c=3e+8;										% speed of light
pi=3.1415926;	 					   	% pi
j00=sqrt(-1);							   % square root of -1

res_a=2;										% required azimuth resolution
res_r=2;										% required range resolution
k_a=1.2;										% azimuth factor
k_r=1.2;										% range factor

Ra=4000.;									% radar working distance
va=70.; 										% radar/platform forward velocity
Tp=1.e-6; 									% transmitted pulse width      
fc=3.e+9;	 						   	% carrier frequency