rcvjam.m

来自「此程序给出了不同情况的雷达距离测量仿真平台」· M 代码 · 共 46 行

% Receiver Jamming Effects
%---------------------------------------------
% Clear Old Variables
clear,clc,clf;

Rmin=10; Rmax=300;   %  km

% Define Rtar(km) from Rmin to Rmax

Rtar=Rmin:Rmax;      % 1 km steps

% Radar and Target Parameters

Pt=1.5e5;            % w
Gr=1e4;
sigma=3;             % sq m
wl=.1;               % m
Lr=10;		    

Pr=(Pt*Gr^2*sigma*wl^2)./((4*pi)^3*Lr*(Rtar*10^3).^4);
Prdbm=30+10*log10(Pr);

% Jammer Related Parameters

Pj=1e4;              % w
Gj=10^(19/10);
Rj=3e5;              % m
Bj=4;                % Mhz
Br=.08;              % Mhz
Gsl=10;		     
Lj=10^(7/10);		
	
Gsl=10^(Gsl/10);Lj=10^(Lj/10);
Prj=(Pj*Gj*(Br/Bj)*Gsl*wl^2)/((4*pi*Rj)^2*Lj);
Prjdbm=30+10*log10(Prj);

% Plotting Received Target and Jammer Signals

Prjdbm=Prjdbm*(Rtar./Rtar);
plot(Rtar,Prdbm,Rtar,Prjdbm);
ylabel('Received Signal (dbm)');
xlabel('Range (km)');grid;
title('SUPPORT JAMMING AND TARGET SIGNALS AT RADAR');
text(100,-72,'Standoff Jamming');
text(150,-101,'Main Beam Target Return');
end