Conventional normalizing constant false-alarm rate (CFAR) circuits use the same configurations when detecting targets in interference regions and in clear regions. The CFAR penalty incurred in the clear region can be reduced by using CFAR processors that recognize the region is clear so that normalization is not necessary. An analysis of the target-detection performance for a particular modified CFAR processor, for an active-radar sensor, and for a passive infrared (IR), or sonar, sensor is given. It is shown that the decreased CFAR penalty in the clear is coupled with an increase of false-alarm rate in the clutter regions.
Low-Loss Almost Constant False-Alarm Rate Processors
IEEE Transactions on Aerospace and Electronic Systems ; AES-15 , 5 ; 719-723
1979-09-01
810112 byte
Article (Journal)
Electronic Resource
English
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