Alignment and beam spreading for ground radial airborne radar

Details Alignment and beam spreading for ground radial airborne radar Alignment and beam spreading for ground radial airborne radar

1993-07-22

1995-08-15

Tarcza, Thomas H.

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

Directive

Including a steerable array

342371, 342 25, H01Q 322, G01S 1300

Patent

active

054423643

ABSTRACT:
A method and apparatus for controlling a radar beam emitted by a radar sym. The invention produces improved high resolution ground mapping by aligning the antenna isogain or isonull lines with the ground radial lines. The antenna axis is rolled by an angle determined from the geometric principles of the unit vectors along the ground radial lines. A new azimuth pointing angle is then computed and implemented. A new azimuth beamshape, azimuth beamwidth and azimuth beam spoiling factor are also computed and implemented.

REFERENCES:
patent: 4084158 (1978-04-01), Slawsby
patent: 4291308 (1981-09-01), Provine
patent: 4546355 (1985-10-01), Boles
patent: 4611208 (1986-09-01), Kanes et al.
patent: 4837577 (1989-06-01), Peregrim et al.

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