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fishbacp
  • Member for 2 years, 2 months
  • Last seen more than 1 year ago
3 votes
1 answer
531 views

In what way does the cross-spectral density of two signals describe their similarities?

2 votes
0 answers
126 views

Coherence between two signals: How to convey the underlying idea using spectral decomposition and orthogonal projections?

2 votes
3 answers
110 views

For two sinusoidal waves, what does the magnitude of their coherence tell us, and why do the periodogram and csd commands yield incorrect results?

2 votes
3 answers
122 views

For two signals having a common frequency, w, and differing by a fixed phase shift, why is the coherence even defined at frequencies other than w?

2 votes
1 answer
77 views

Is the coherence between two signals defined at frequencies above the Nyquist frequency?

2 votes
0 answers
100 views

Coherence between two signals at a particular frequency is less than one, yet the corresponding frequency components differ by a scalar multiple

1 vote
1 answer
711 views

Is there a simple way to determine the peak power spectral density values for a simple linear combination of sine functions?

1 vote
1 answer
120 views

Using the DFT to determine the component of a signal at a given frequency?

1 vote
1 answer
391 views

Questions about the power spectral density for a simple sinusoid

1 vote
1 answer
104 views

What is the meaning of the scaling difference between my DFT magnitude squared plot and my periodogram plot?

1 vote
0 answers
32 views

Is it possible to explicitly express a simple coherence calculation in terms of linear regression?

1 vote
1 answer
94 views

Constructing spectral components of signals using the Fourier matrix and interpreting coherence using the results

0 votes
1 answer
91 views

What is the actual coherence value between two simple signals, one a cosine and the other a sine?