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teeeeee
  • Member for 5 years, 7 months
  • Last seen more than a month ago
  • Brighton, UK
12 votes
5 answers
2k views

Inconsistency between the units of power spectral density and the definition that people often give

7 votes
4 answers
4k views

Why do we have to rearrange a vector and shift the zero point to the first index, in preparation for an FFT?

3 votes
3 answers
4k views

Help with obtaining the power spectral density of a simple continuous cosine (using both forms of the definition for PSD)

3 votes
2 answers
855 views

Help with finishing this integral, to obtain the power spectral density of a pure cosine wave

1 vote
2 answers
603 views

When deriving the power spectral density of stochastic processes, why does taking an expectation allow the $T\rightarrow\infty$ limit to be taken?

1 vote
1 answer
135 views

A check on the definition of the continuous periodogram, and does it assume ergodicity somewhere?

1 vote
1 answer
2k views

Evaluating the continuous Fourier transform of a constant, and matching it up with the FFT result