The Orbit Determination of Leo Satellites Using Extended Kalman Filter

Details The Orbit Determination of Leo Satellites Using Extended Kalman Filter The Orbit Determination of Leo Satellites Using Extended Kalman Filter

Jun 1995

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1995jass...12..133s&link_type=abstract

Journal of Astronomy and Space Science, vol. 12, no. 1, p. 133-142.

Astronomy and Astrophysics

Astronomy

Scientific paper

We studied the nonlinear estimation problem of extended Kalman filter and applied this method to LEO satellite system. Through this method the performance of extended Kalman filter was analyzed. There were certain presumption taken; J2 and atmospheric drag were simply considered in the dynamic model of LEO satellite and the system noise error of ¥òr = 150m, ¥òr = 10m/s was presumed in the observation data. As results of this simulation, the overall state estimation errors of extended Kalman filter were within the presumed error range and also the ability of performance was maximized when the condition was the state process noise Q has the 1/10 level of covariance matrix P0.

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