Radar MTI processor with CFAR

Details Radar MTI processor with CFAR Radar MTI processor with CFAR

1974-05-03

1976-07-06

Hubler, Malcolm F.

Communications: radio wave antennas

Antennas

Balanced doublet - centerfed

343 172PC, G01S 730, G01S 942

Patent

active

039684903

ABSTRACT:
Disclosed is a radar signal processor providing Moving Target Indicator (MTI) operation with Constant False Alarm Ratio (CFAR) capability. The processor affords substantially reduced incidence of false alarms due to large clutter scatterer returns which exceed normal detection thresholds even after suppression by conventional MTI processing, and at the same time it affords largely unimpaired subclutter visibility. These capabilities are achieved by paralleling the MTI channel with a second processor channel which provides CFAR operation by imposing an additional detection threshold effective to blank the response of the MTI channel to very large clutter scatterers.

REFERENCES:
patent: 3105967 (1963-10-01), Cook et al.
patent: 3150368 (1964-09-01), Price
patent: 3157875 (1964-11-01), Matsukasa et al.
patent: 3374479 (1968-03-01), Moore
patent: 3441931 (1969-04-01), Shrader
patent: 3465336 (1969-09-01), Fishbein et al.
patent: 3701149 (1972-10-01), Patton et al.
patent: 3829858 (1974-08-01), Bergkvist

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