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Results tagged with correlation-functions
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user 419724
A correlation function is a statistical correlation between random variables at two different points in space, time, or other parameter space, usually as a function of the variable distance between these points. In QFT, field autocorrelation functions are propagators, so use the "propagator" tag, instead.
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Is power spectrum a sufficient condition for determining autocorrelation function via Wiener...
For an optical source with power spectrum as 𝐼(𝜔), the autocorrelation function is related to power by a Fourier relation (Wiener–Khinchin theorem).
F{𝑔(𝜏)} = 𝐼(𝜔)
However, the above relation do …
