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Re: Hi Ted

Howdy

Fine: it's also true that with the same assumptions a zero crossing can have any phase after the appropriate reconstruction filter. The phase isn't quantized by the sampling rate. The sampling rate affect the highest representable frequency.

Think about it, with no quantization of level, any appropriately bandlimited signal can be reproduced accurately. Putting it more simply, any sine wave with a freq less than the Nyquist rate can be easily represented and reconstructed and only if it's freq is rationally related to the sampling rate will there not be all possible phases of zero crossings present.

The real fun starts when you start quantizing the levels and/or you try to time limit the signal.

-Ted


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  • Re: Hi Ted - Ted Smith 20:48:26 08/22/03 (0)


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