gngauss.m

来自「BPSK+AWGN的matlab程序」· M 代码 · 共 12 行

function [gsrv1,gsrv2]=gngauss(m,sgma)

if nargin == 0,
  m=0; sgma=1;
elseif nargin == 1,
  sgma=m; m=0;
end;
u=rand;                         	% a uniform random variable in (0,1)       
z=sgma*(sqrt(2*log(1/(1-u))));  	% a Rayleigh distributed random variable
u=rand;                         	% another uniform random variable in (0,1)
gsrv1=m+z*cos(2*pi*u);
gsrv2=m+z*sin(2*pi*u);