Radar return signal processing method

Details Radar return signal processing method Radar return signal processing method

1993-12-27

1995-05-16

Hellner, Mark

Communications: directive radio wave systems and devices (e.g.,

Clutter elimination

342109, G01S 1300

Patent

active

054164885

ABSTRACT:
A radar system (10) forms a range-Doppler map (28). A CFAR processor (57) determines a threshold (60) and evaluates the map (28) to identify potential targets whose amplitudes are greater than the threshold. The potential targets are evaluated to determine (88) whether they form substantial peaks for the Doppler bins (32) where they are located, and to determine (98) whether they resemble noise more than targets. In addition, the potential targets are evaluated to determine (114) whether they are most likely the result of range sidelobes and to determine (118) whether they are most likely images of targets rather than targets. When any of these situations are detected, the potential targets are removed from a potential target list (50).

REFERENCES:
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An article entitled "A Variably Trimmed Mean CFAR Radar Detector" by I. Ozgunes, P. P. Ghandi, S. A. Kassam, IEEE Transactions on Aerospace and Electronic Systems, vol. 28, No. 4, Oct. 1992.

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