Bistatic and multistatic system for space situational awareness

Details Bistatic and multistatic system for space situational awareness Bistatic and multistatic system for space situational awareness

2006-10-10

2006-10-10

Gregory, Bernarr E. (Department: 3662)

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

Presence detection only

C342S02500R, C342S02500R, C342S02500R, C342S059000, C342S073000, C342S074000, C342S075000, C342S078000, C342S089000, C342S090000, C342S118000, C342S165000, C342S173000, C342S174000, C342S175000, C342S176000, C342S179000, C342S192000, C342S195000

Reexamination Certificate

active

07119732

ABSTRACT:
Provided is a bistatic and multistatic system for detecting and identifying a target in close proximity to an orbiting satellite. An electromagnetic fence is established to surround the satellite, using a ground-based communication uplink from a gateway antenna. A contact or breach of the electromagnetic fence by the target is detected by the satellite, or at other sensor locations, and an exact position, range and ISAR image of the target is calculated using scattered RF energy from the fence. Identification data is transmitted to satellite system monitors, whereby the data is used to decide on a corrective course of action.

REFERENCES:
patent: 3787843 (1974-01-01), Poirier
patent: 3932871 (1976-01-01), Foote
patent: 5173704 (1992-12-01), Buehler et al.
patent: 5963130 (1999-10-01), Schlager et al.
patent: 6466157 (2002-10-01), Bjornholt et al.
patent: 2111679 (1983-07-01), None

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