The receiver characteristics of a laser altimeter system containing an avalanche photodiode photodetector are analyzed using the Gaussian approximation, the saddlepoint approximation, and a nearly exact analysis. The last two methods are shown to yield very similar results except when the background noise is extremely low and the probability of false alarm is high. However, the Gaussian approximation method is shown to cause significant errors even under relatively high levels of background noise and received signal energy.<>
Receiver characteristics of laser altimeters with avalanche photodiodes
IEEE Transactions on Aerospace and Electronic Systems ; 28 , 1 ; 268-275
01.01.1992
648809 byte
Aufsatz (Zeitschrift)
Elektronische Ressource
Englisch
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