Elevation null command generator for monopulse radar...

Details Elevation null command generator for monopulse radar... Elevation null command generator for monopulse radar...

2011-08-23

2011-08-23

Tarcza, Thomas (Department: 3662)

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

Return signal controls external device

Missile or spacecraft guidance

C342S077000

Reexamination Certificate

active

08004453

ABSTRACT:
There is disclosed an elevation null command generator (ENCG) for use in airborne monopulse radar, and a novel missile guidance system made possible by use of the ENGC. The ENCG provides an accurate means of directing the elevation monopulse plane of a radar antenna at a patch of ground defined by a range signal generated within the radar or its associated equipment. It is shown that within the system range can define the elevation angle of concern. The ENCG includes a central range gate centered at the command range and a plurality of pairs of range gates, the two gates of each pair being time spaced before and after the central range gate, and has circuit means for normalizing the output of the range gates to eliminate the bias effects of strong targets adjacent to the monopulse null plane and ground surface intersection.

REFERENCES:
patent: 3623094 (1971-11-01), Paine et al.
patent: 4442431 (1984-04-01), Bleakney

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