Method of improving the determination of the attitude of a...

Details Method of improving the determination of the attitude of a... Method of improving the determination of the attitude of a...

2002-12-17

2008-11-18

Tran, Dalena (Department: 3664)

Data processing: vehicles, navigation, and relative location

Navigation

Employing position determining equipment

C342S350000

Reexamination Certificate

active

07454289

ABSTRACT:
The method in accordance with the invention, implemented with the aid of at least one pair of antennas, consists in performing: a normalized spectral analysis before intercorrelation of the demodulated signals (I, Q), by the code and the carrier, a phase coherence resetting of the signals before recombination, a phase offset measurement carried out by a true intercorrelation of the homologous satellite pathways by interferometry of the two signals arising from one and the same satellite and received respectively by a pair of antennas, then in performing a reduction of the initial ambiguity removal search domain for the determination of attitude of a vehicle by interferometric GPS measurement and implementing a statistical test for the selection of the ambiguity.

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patent: 6516021 (2003-02-01), Abbott et al.
patent: 7162367 (2007-01-01), Lin et al.

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