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Questions tagged [periodogram]

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How can I improve my fit of cosines to periodic data using Python?

I have a space-separated csv file containing a measurement. First column is the time of measurement, second column is the corresponding measured value, third column ...
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Periodogram and Welch periodogram comparison

I'm trying to compute the PSD using the periodogram method. I have a signal that is periodical at 5kHz. The frequency resolution sought for is 1.221Hz. It's a PRBS signal that has its energy drop to ...
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PSD of randomly positioned dirac delta train

Let $s(t)= \sum_{i=0}^{T} \delta(t-\tau_i)$, where $ \{ \tau_{i} \}$ are random integers between $0,1,\cdots, T-1$. What is the power spectral density of the signal $s(t)$?