Method and apparatus for measuring satellite attitude using GPS

Details Method and apparatus for measuring satellite attitude using GPS Method and apparatus for measuring satellite attitude using GPS

1996-11-29

1998-11-03

Felber, Joseph L.

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

Directive

Including a satellite

342354, 342355, H04B 7185

Patent

active

058315721

ABSTRACT:
The apparatus has n non aligned antennas, where n is at least for receiving radio signals from a plurality of OPS satellites. Radio frequency signals received by the various antennas are processed for measuring their phase differences, and for computing attitude on the basis of said phase differences. The measurement and computing system is repeatedly calibrated on the basis of measurements performed by a star sensor during periods when it provides usable data.

REFERENCES:
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patent: 4617634 (1986-10-01), Izumida et al.
patent: 5548293 (1996-08-01), Cohen
patent: 5561432 (1996-10-01), Knight
Wertz, Ed., Spacecraft Attitude Determination and Control, D. Reidel Publishing Co., Holland, pp. 184 & 186. 1985.
500 Years after Columbus -Navigation Challenges of Tomorrow, Monterey, CA., Mar. 23 -27, 1992, 1 Jan. 1992, Institute of Electrical and Electronics Engineers, p. 544 XP000344349 Stein B A et al: "Satellite Attitude Determination using GPS" * le document en entier *.
Position Location and Navigation Symposium 1,8 (Plans), Las Vegas, Apr. 11 -15, 1994, 11 Apr. 1994, Institute of Electrical and Electronics Engineers, pp. 598-604, XP000489397 Unwin et al: "Results from the PoSaT GPS Experiment" * le document en entier * .
Signal Processing Theories and Applications, Barcelona, Sep. 18 -21, 1990, vol. 3, 18 Sep. 1990, Torres L;Masgrau E; Lagunas M A, pp. 1747-1750, XP000365903 Lucas R et al: "Global Positioning System Integrated Navigation and Attitude Determination System (GINAS)" * le document en entier *.

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