dbtex1.m

几个关于阵列天线的仿真程序

lambda=0.03;
D=0.45*lambda;
T=24;
K=12;

theta=d2r([25 32])';
phi=zeros(size(theta));
SNR=[10 5]';
alpha=d2r([0 16])';
dalpha=d2r([34 -13])';
dist=Inf*ones(size(theta));
tgtModel='const';
noiseModel='rndnw';
MMu=2;


ant=defant('isotropULA',[K,D]);


sig=compsim4(ant,lambda,T,tgtModel,[theta,...
   phi,SNR,alpha,dalpha,dist,...
   eye(size(theta,1))],noiseModel,eye(K));

spect1=sdoaspc('music',sig,[],MMu);

R=ecorrm(sig);


spect2=sdoaspc('cbf',R);
spect3=sdoaspc('eigvec',R);
spect4=sdoaspc('pisa',R);


figure,splot2(spect1,'',spect2,'',spect3,'',spect4)
legend('Music','Conventional beamforming','eigenvector method','Pisarenko')