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This is something that has appeared in a module, we've had a lab session in it but im still not sure what it is.

I don't understand the formulas given in lecture notes so I was hoping someone could explain it?

Autocorrelation

R1(τ) = ∫f(t)f(t+τ)dt = f V f

Convolution

C12(τ)= ∫ f1(t)f2(-t+τ) dt

Any help would be really appreciated!

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# The differences between autocorrelation and convolution

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