[求助]想利用MATLAB做一个最简单的杂波仿真程序，不知道有哪些专用函数啊？

[TT]

想利用MATLAB做一个最简单的杂波仿真程序，不知道有哪些专用函数啊？

[tmaczn]

clear all;
close all;
clc
azi_num=2000;
fr=1000;
lamda0=0.05;
sigmav=0.7;
sigmaf=2*sigmav/lamda0;
% rand(‘state’,sum(100*clock));
d1=rand(1,azi_num);
% rand(‘state’,7*sum(100*clock)+3);
d2=rand(1,azi_num);
xi=1*(sqrt(-2*log(d1)).*cos(2*pi*d2));
xq=2*(sqrt(-2*log(d1)).*sin(2*pi*d2));
coe_num=12;
for n=0:coe_num
coeff(n+1)=2*sigmaf*sqrt(pi)*exp(-4*sigmaf^2*pi^2*n^2/fr^2)/fr;
end
for n=1:2*coe_num+1
if n<=coe_num+1
b(n)=1/2*coeff(coe_num+2-n);
else
b(n)=1/2*coeff(n-coe_num);
end
end
xxi=conv(b,xi);
xxi=xxi(coe_num*2+1:azi_num+coe_num*2);
xxq=conv(b,xq);
xxq=xxq(coe_num*2+1:azi_num+coe_num*2);
xisigmac=std(xxi);
ximuc=mean(xxi);
yyi=(xxi-ximuc)/xisigmac;
xqsigmac=std(xxq);
xqmuc=mean(xxq);
yyq=(xxq-xqmuc)/xqsigmac;
p=1.5;
q=2.2;
sigmac=sqrt((q.^p)/2);
yyi=sigmac*yyi;
yyq=sigmac*yyq;
xdata=(yyi.*yyi+yyq.*yyq).^(1/p);
figure,plot(xdata);title('weibull分布时域波形');

[cyl3432]

不错不错，很有借鉴意义