Plotting Rician Fading Channel

조회 수: 16 (최근 30일)
Saad Khan
Saad Khan 2020년 11월 1일
편집: Swetha Polemoni 2020년 11월 4일
I'm having trouble plotting rician pdf.
I have already managed to plot what i think is the empircal density funtction in a histogram.
What i need is a trace red line like this image:
so far i have this:
generated using this code:
u = 2;
s = sqrt(0.5);
% Generate in-phase component
X = normrnd( u, s, [1 randSamples]);
% Generate quadrature component
Y = normrnd( u, s, [1 randSamples]);
% Rician RV, S = sqrt( X^2 + Y^2 )
S = sqrt( X .^ 2 + Y .^ 2 );
% empirical probability density
[f,x] = ecdf(S);
ecdfhist(f,x, 20); hold on
How to get the red line?
This is the question for reference:
Thanks.

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Swetha Polemoni
Swetha Polemoni 2020년 11월 4일
편집: Swetha Polemoni 2020년 11월 4일
Hi Saad Khan,
You might want to smoothen the histogram.
Here is the example for understanding smoothening of histogram using "spline" command.
You might consider "ksdensity" for smoothening. Below code snippet is for better understanding.
k=5;
s = [randn(100,1); randn(100,1)+k];
histogram(s,'Normalization','probability')
[f,x] = ksdensity(s);
hold on
plot(x,f)
These might help you.
  댓글 수: 4
Saad Khan
Saad Khan 2020년 11월 4일
Thank you!
Can you tell me which value corresponds to the K factor of 4 referred to in the question?
Swetha Polemoni
Swetha Polemoni 2020년 11월 4일
편집: Swetha Polemoni 2020년 11월 4일
Not sure about K factor.

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