# Questions tagged [mathematica]

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### Any demonstration of ITU-R SA.2183 (Method for calculating link performance in the space research service)?

I'am looking for demonstration of ITU-R SA.2183 (2010-10 edition), in MATLAB or Mathematica. I have written some Mathematica code, any help would be appreciated. ...
18 views

### Any demonstration of ITU P.618-9(Propagation data and prediction methods required for the design of Earth-space telecommunication systems)?

I'am looking for demonstration of ITU P.618-9(Propagation data and prediction methods required for the design of Earth-space telecommunication systems) P.618-9 (Year 2007 version), in MATLAB or ...
44 views

### Error in the visualizing Capacity bounds of FSO Links over Gamma-Gamma Atmospheric Turbulence Channels Using OOK Signaling?

I simply want to visualize 【Capacity bounds and mutual information】 versus 【SNR $\gamma$(dB) or probability $p$ (The input to the channel is a binomial distribution with parameter $p$)】 But I cannot ...
1 vote
102 views

### Getting different results when fourier transforming in python vs mathematica?

I am interested in troubleshooting why I get a very different answer when doing fourier transforms of my data in Mathematica vs Python. The version in Mathematica is well behaved, yet all versions of ...
If I have a two variables $x_1$, $x_2$ and two equations. In the first equation the first variable $x_1$ is multiplied with the conjugate of same number which is multiplied with $x_2$, and in the ...
### Why is $x$ not considered a primitive polynomial while being considered an irreducible polynomial?
In "Shu Lin, Daniel J. Costello-Error Control Coding (2nd Edition), Prentice Hall 2004" it is given that in $GF(2)$, if $f(x)$ is an irreducible polynomial of degree $m$ it divides $x^n+1$ where \$n = ...
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