Identification of ground targets in airborne surveillance radar

Details Identification of ground targets in airborne surveillance radar Identification of ground targets in airborne surveillance radar

1986-08-01

1988-07-19

Tubbesing, T. H.

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

Clutter elimination

Mti

342190, 354 73, G03B 2900

Patent

active

047588500

ABSTRACT:
A method and apparatus are described for use during testing of air-borne ground surveillance radar installations to provide positive identification of targets and other ground features in the recorded or displayed radar returns. The apparatus includes a first imaging system, such as a film camera (6), arranged to film an area (3) on the ground ahead of the aircraft (1) which is also surveyed by the surveillance radar (2), a second imaging system, such as another film camera (7), arranged to film an area on the ground directly below the aircraft and a synchronisation unit (9) operating in dependence of the aircraft's ground speed (V) and either marking or labelling the films and the radar returns or controlling the timing of operations of the camera (6 and 7) and a radar return recorder (4) so that images produced by the second camera (7) are correlated with the image and the radar return stored and recorded by the camera (6) and recorder (4) respectively to facilitate analysis of test data relating to the performance of the radar installation.

REFERENCES:
patent: 3076189 (1963-01-01), Goddard
patent: 3375353 (1968-03-01), Rossoff et al.
patent: 4050067 (1977-09-01), Elmore, Jr.
patent: 4489322 (1984-12-01), Zulch et al.

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