[CST-2] Information Theory

[Martin Harper]

M.Y.W.Y. Becker wrote:


> --On 26 May 2001 22:54 +0100 Shu Yan Chan <syc22@cam.ac.uk> wrote:
> 
>> What is the definition of Power Specturm (of a function., e.g. f(x))?
> 
> It's the FT of the convolution of f and f*.

Of couse, since convolving functions is equivalent to multiplying their 
fourier transforms, this is equal to the product of its Fourier 
transform and the conjugate, i.e. F(k) F*(k), as given by Shu Yan Chan.

Not sure about t'other Qs, though.