Radar Ambiguity Function - RF Cafe Forums
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Post subject: Radar Ambiguity Function
Posted: Fri Apr 21, 2006 12:37 pm
Joined: Sat Mar 19, 2005
I read in an IEEE paper that "the noise-like characteristics
of FM radio signals have an ambiguity function that
approaches the idealised thumb-tack surface". My
question is: Why do random (noise-like) signals
approach the idealised thumb-tack ambiguity response?
I'd have thought that since the signal is random,
thus unpredictable and ambiguous, that the ambiguity
spike would have been distributed broadly over the
surface (i.e. the opposite of the idealised thumb-tack
response). Any light on this would be appreciated.
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