Radar apparatus for the detection of helicopters

Details Radar apparatus for the detection of helicopters Radar apparatus for the detection of helicopters

1991-02-19

1991-10-08

Hellner, Mark

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

Return signal controls radar system

Receiver

342 91, G01S 730

Patent

active

050558480

ABSTRACT:
The invention relates to a radar apparatus provided with a detection unit, which determines the positions (12) of objects incorporating fast moving parts, such as helicopters. The detection unit thereto comprises a first range-azimuth area (3), a trend estimation and standard deviation calculation unit (5), a threshold (8), a second range-azimuth area (9) and a clusterer (11).

REFERENCES:
patent: 4074264 (1978-02-01), Wilmonti
patent: 4845500 (1989-07-01), Cornett et al.

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