Because of the high maintenance needed to monitor and filter spammers from the RF Cafe Forums, I decided that it would
be best to just archive the pages to make all the good information posted in the past available for review. It is unfortunate
that the scumbags of the world ruin an otherwise useful venue for people wanting to exchanged useful ideas and views.
It seems that the more formal social media like Facebook pretty much dominate this kind of venue anymore anyway, so if
you would like to post something on RF Cafe's
page, please do.
Below are all of the forum threads, including all
the responses to the original posts.
Post subject: Radar Ambiguity Function
Posted: Fri Apr 21, 2006 12:37 pm
Joined: Sat Mar 19, 2005 3:20 pm
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.