Method of determining appropriateness of satellite orbit modeling, method of providing long-term predicted orbit data, and device for determining appropriateness of satellite orbit modeling
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United States of America Patent
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May 5, 2015
Grant Date -
Jun 21, 2012
app pub date -
Feb 29, 2012
filing date -
Sep 5, 2008
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Abstract
A method of determining the appropriateness of satellite orbit modeling is provided. The method includes calculating values of parameters, that the predetermined model has, on the basis of predicted position data including a first predicted position at a first point of time and a second predicted position at a second point of time of a positioning satellite in time series, calculating a first and a second calculated positions of the positioning satellite derived from the predetermined model by using the values of the parameters; and determining the appropriateness of the predetermined model using the values of the parameters, on the basis of first difference between the first predicted position and the first calculated position, and seconded difference between the second predicted position and the second calculated position. The predetermined model is used when approximating a satellite orbit of the poisoning satellite.
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