2 votes
Accepted

How is the normalized power required for unipolar NRZ twice that of polar NRZ?

If the levels of the polar signal were $\pm V$ you would be right, but then it wouldn't be a fair comparison with the unipolar signal with levels $+V$ and zero. A fair comparison would be to have the ...
Matt L.'s user avatar
  • 89k
2 votes
Accepted

Plot amplitude vs freqency in DB

To add to Hilmar’s answer and chew some of the work for you: You need to modify the y-axis tick values. I went through the documentation of your plotting tool for you, and found this. Look in the “...
Jdip's user avatar
  • 5,247
2 votes

Plot amplitude vs freqency in DB

You have two choices. You either maintain a linear grid and just replace the amplitude grid numbers with their respective dB values, or you can use a logarithmic grid with constant dB spacing. The ...
Hilmar's user avatar
  • 42.7k

Only top scored, non community-wiki answers of a minimum length are eligible