calculate SNR and watch a binary file

[feldmaus]

Rob Mahurin <rob <at> utk.edu> writes:

> 
> This is a plausible decoding of your data file.  To plot just the  
> real or imaginary part of a vector v, do plot(real(v)) or plot(imag 
> (v)).  plot(v) will show points in the complex plane.
> 
> If these are already Fourier components, plot( abs(v).^2 ) will show  
> your power spectrum.  There is a broad peak centered around the 15th  
> frequency bin.
This seems to be an artefact and can be ignored. It seems to be
created at the start.

I will try this and post the result here.

Thanks and regards Markus