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#10
March 25th 09, 01:45 AM
posted to rec.radio.amateur.antenna
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Noise figure paradox
On Tue, 24 Mar 2009 23:47:52 GMT, "Harold E. Johnson"
wrote: Deep space communications proceeds many dB below the noise floor enabled through technology that has become ubiquitous in cell phones - Spread Spectrum. I have developed pulsed measurement applications for which any single pulse has a poor S+N/N, but through repetition improves S+N/N response with the square root increase of samples taken. 73's Richard Clark, KB7QHC And others call it autocorrelation? Which? 73's Richard Clark, KB7QHC |
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