At 07:48 PM 10/15/99 -0400, you wrote:
>
>There are a number of tests for 'randomness'. One of the key
>characteristics for 'randomness' is that there be no time (or serial)
>correlation present. Since the autocorrelation function is the Fourier
>transform of the power spectrum, this translates into a requirement for a
>constant power spectrum of infinite bandwidth.
>
>One of the best and most accepted tests of 'randomness' is to compute a FFT
>and examine the degree of non-constancy of the power spectrum.

Ok, but can't you easily construct a signal that is not random, yet has
such a spectrum (up to some limiting BW, which would also be true for a
truly random signal when fed into a real amplifier)?

Sean



>
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|
| Sean Breheny
| Amateur Radio Callsign: KA3YXM
| Electrical Engineering Student
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