Re: SETI public: Newbie question: Has anyone looked at CBR as a reference spectrum for SETI??

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From: David Woolley (david_at_djwhome.demon.co.uk)
Date: Thu Feb 27 2003 - 15:27:03 PST

  • Next message: Dr. H. Paul Shuch: "Re: SETI public: Newbie question: Has anyone looked at CBR as a reference spectrum for SETI??"

    > for a single carrier beacon. But we know that spread spectrum would be much more efficient in

    It also looks like natural noise. Current SETI can detect signals that
    are below the noise floor when viewed in a bandwidth of a few 100 Hz,
    because they are above the noise floor when measured in a 0.05Hz bandwidth.
    The same power spread in spectrum is well below the noise floor.

    > noisy long distance media. The CBR spectrum would be an ideal universal reference spectrum that

    What's CBR?

    You can't detect spread spectrum from its spectrum (only any leaked
    pure carrier components), you have to search the possible de-spreading
    functions.

  • Next message: Dr. H. Paul Shuch: "Re: SETI public: Newbie question: Has anyone looked at CBR as a reference spectrum for SETI??"
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