Process for the autonomous reduction of acquisition and tracking

Details Process for the autonomous reduction of acquisition and tracking Process for the autonomous reduction of acquisition and tracking

1997-11-12

2000-11-14

Tarcza, Thomas H.

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

Directive

Including a satellite

342352, H04B 7185

Patent

active

061476412

ABSTRACT:
The present invention relates to a process for the autonomous reduction of acquisition and tracking thresholds of carriers received in orbit by a receiver accessing an orbital navigator inside or outside said receiver, the latter having at least one phase loop. The phase loop, which is responsible for the acquisition and/or tracking of the carrier, is "pushed" by the fine speed aid and takes up the error between the real speed and the calculated speed. The search for the Doppler frequency of the carrier received takes place around a frequency prediction maintained by the fine speed aid coming from the orbital navigator.

REFERENCES:
patent: 3713149 (1973-01-01), Brunner et al.
patent: 3878522 (1975-04-01), Gurak et al.
patent: 5691974 (1997-11-01), Zehavi et al.

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