DocumentCode :
819538
Title :
Maximum-likelihood CFAR for Weibull background
Author :
Ravid, R. ; Levanon, N.
Author_Institution :
Dept. of Electr. Eng. Syst., Tel-Aviv Univ., Israel
Volume :
139
Issue :
3
fYear :
1992
fDate :
6/1/1992 12:00:00 AM
Firstpage :
256
Lastpage :
264
Abstract :
A low-loss CFAR algorithm for Weibull background is discussed. The two parameters (shape and scale) of the background statistics are estimated using a maximum-likelihood algorithm. A CFAR threshold based on parameters estimated in this way exhibits a smaller variance, and hence a smaller CFAR loss, than thresholds based on other estimation algorithms such as moments or order statistics. The analysis covers both complete and censored background sample sets
Keywords :
radar clutter; signal detection; CFAR threshold; Weibull background; background statistics; low-loss CFAR algorithm; maximum-likelihood algorithm; radar clutter; scale; shape;
fLanguage :
English
Journal_Title :
Radar and Signal Processing, IEE Proceedings F
Publisher :
iet
ISSN :
0956-375X
Type :
jour
Filename :
143318
Link To Document :
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