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X^2 is the variance of the signal. It can be understood intuitively as the power of the signal (per bit or per symbol). For the QPSK case you mentioned, it should be 2.
I think the equation you mentioned should be understood as:
N0: noise power spectral density.
Eb: signal energy per bit.
var...
Hi mmatica,
Thank you for the reply!
But for a square matrix, how to understand the difference when you use eigenvalue decomposition and SVD decomposition? In particular, when this matrix is the covariance matrix of the signal received at an antenna array? - sorry for this question if you...
Re: needed help in MATLAB
rand() in matlab generates the uniformly distributed random numbers. But if you need highly uniformly distributed random numbers, this funciton may be not good enough. Neither the rand function in c library. You need special algorithm to generate it.
Hi friends,
For the same matrix A, we want to get its eigen value and eigen vector. What is the difference if we use eigenvalue decomposition and singular value decomposition? How to understand the difference of the results?
Thank you very much for your help!
joshuashi
Re: Mathematics books
Some in the list are actually not books but a paper or lecture notes. Some even do not have author's name. Make sure that the contents are corrrect when you read it or use it.
regards,
joshuashi
I guess what you said is that in a C file you want to use data in a matlab array, right?
If you want to setup a mex file for this purpose, you need a gateway function:
void mexFunction(int nlhs, mxArray *plhs[], int nrhs, const mxArray *prhs[])
in this mexFunction, you can extract the data...
The following points are quite important in job applicaiton in Germany.
First, if your resume is in German, it will have much more chance being 'noticed' among piles of applications. Second, during interview, if you could communicate in German and at least one of other languages, particularly...
Re: Professor Strang's Class 18.06 Linear Algebra Lecture Vi
Hi *,
Do know if there is any video for the course of probability and statistics?
thx,
joshuashi
Re: conferences
There are many conferences you can attend, such as ICASSP, ICIP etc. Simply go to www.ieee.org, you will find the interesting conferences.
Regards,
Joshuashi
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