Passive monopulse ranging to a non-cooperative emitter and non-e

Details Passive monopulse ranging to a non-cooperative emitter and non-e Passive monopulse ranging to a non-cooperative emitter and non-e

1985-07-18

1994-01-18

Blum, Theodore M.

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

Directive

Position indicating

342125, 342146, G01S 302

Patent

active

052802949

ABSTRACT:
A radar system for passive determination of range to a non-cooperative scanning radar, to a non-emitting object illuminated by the scanning emitter and between scanning emitter and illuminated object entirely from the passive location. The radar equipment at the passive location includes a passive array with beam forming and switching matrix to provide output signals separately on the basis of angular discrimination, for each of the object and emitter. Resolver circuits respond to the angle between emitter and object vector, the incremental time between direct emitter reception and reflected echo from the object as well as to emitter scan rate and instantaneous pointing angle. Algorithms for the emitter range, object range and range between emitter and object are given.

REFERENCES:
patent: 4438439 (1984-03-01), Shreve

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