Matlab code for Gaussaion distribution

[zio_nneo]

Do anybody have matlab code for Gaussion Distribution generation?

 

[Sal]

Hi

use randn()

Sal

 

[artsil23]

x and z are RV of gaussiana distribution and not correlated,
y is a RV of a gaussiana distribution and correlated with x

n=2^13;
x=randn(1,n)+3;
z=randn(1,n)+4;
y=zeros(1,n);
m=50;
for i =1:n-m
y(i)=mean(x(i:i+m-1));
end
plot([x(1:100)' y(1:100)']); grid

The density function:

[fx,kx]=hist(x,50);
fx=fx/sum(fx);
[fy,ky]=hist(y,50);
fy=fy/sum(fy);
plot(kx,fx,'b',ky,fy,'r');grid

and finally the distribution function:

Fx=cumsum(fx);
Fy=cumsum(fy);
plot(kx,Fx,'b',ky,Fy,'r');grid

If this code is helpful, please push the helped button. Thanks

 

[Naveed Alam]

the Pre-requisite is the Tx_data. and then run this program.


SNR=1o; % in dB; change value accordingly
Tx_signal_power = var(Tx_data);
%
linear_SNR = 10^(SNR/10);
noise_sigma = Tx_signal_power/linear_SNR;
noise_scale_factor = sqrt(noise_sigma);
%
noise = randn(1, length(Tx_data))*noise_scale_factor;


Regards,
Naveed

 

[Priyankakoul]

plg send me mat lab code for gram charlier series as a correction of gaussian distribution