mary.m

通信系统仿真原理与无线应用第四张全部程序

%mary.m子程序
function y=mary(levels,m,n)
%m=number of symbols
%n=samples per symbol
l=m*n;
y=zeros(1,l-n+1);
lm1=levels-1;
x=2*fix(levels*rand(1,m))-lm1;
for i=1:m
    k=(i-1)*n+1;
    y(k)=x(i);
end
y=conv(y,ones(1,n));
%End of function file.