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Signal Processing

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  • $\begingroup$ Did you use an open source library to generate the maximum length LRS? I am not able to reproduce your results using scipy.signal.max_len_sequence(7,taps=[0,1,7])[0]*2 -1.0. I have tried longer and shorter sequences and tried different primitive polynomials from here: ece.unb.ca/tervo/ece4253/polyprime.shtml $\endgroup$ Commented Oct 16, 2023 at 20:20
  • $\begingroup$ Hi BigBrown, I used sig.max_len with the default polynomial. $\endgroup$ Commented Oct 16, 2023 at 20:31
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    $\begingroup$ I’ll add my code later $\endgroup$ Commented Oct 16, 2023 at 20:46
  • $\begingroup$ where is the pshape function from? $\endgroup$ Commented Oct 17, 2023 at 10:34
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    $\begingroup$ it is a custom function that does the interpolate by 4 with raised cosine pulse shaping, I didn't think you needed to see that so I could keep it short here. The pulse shaping filter I used has a length of 24 symbols or 96 taps with $\alpha=0.3$. $\endgroup$ Commented Oct 17, 2023 at 12:02