mawant.m

此程序给出了不同情况的雷达距离测量仿真平台

% Missile Approach Warning Pulsed Doppler
% Detection Range vs Antenna Diameter
% ----------------------------------------

clear;clc;clf;

% Antenna Diameter Range

Dmin=1 ; Dmax=12;  % inches
D=Dmin:Dmax;

% Enter Radar Parameters
% Swerling Case 3 Target

Pa=500;	     % Trans Ave Pwr - w
ts=1;	        % Search Frame Time - s
RCS1=.1;      % Radar Cross-Section - sq. m
RCS2=.0316;   % Radar Cross-Section - sq. m
ang=4*pi;     % Search Coverage - steradians
k=1.38e-23;   % Boltzman's Constant - w/(Hz-Ko)
NF=3;	        % Receiver Noise Figure - dB	
Sa=18;        % SNR for Pd=.9;Pfa=1e-8 - dB
Ls=10;        % System Losses - dB
eff=.7;       % Antenna Aperture Efficiency

F=10^(NF/10);Sa=10^(Sa/10);Ls=10^(Ls/10);

% Find System Noise Temperature

Ts=293*(F-1)+150;

% Find Antenna Aperture

Ar=eff*(pi/4)*(D*2.54/100).^2;

% Compute Missile Detection Range

R1=(Pa*Ar*ts*RCS1/(4*pi*ang*k*Ts*Sa*Ls)).^.25;
R2=(Pa*Ar*ts*RCS2/(4*pi*ang*k*Ts*Sa*Ls)).^.25;
end;

% Plot Range vs Antenna Diameter

plot(D,R1/1000,D,R2/1000);grid;
ylabel('Range - km');
xlabel('Antenna Diameter - inches');
title(['MAW Pulsed Doppler Detection Range']);