Is a
Patent attributes
Patent Jurisdiction
Patent Number
Patent Inventor Names
Shinichi Mitsunaga0
Mikio Nagahara0
Date of Patent
November 24, 2009
Patent Application Number
12062183
Date Filed
April 3, 2008
Patent Primary Examiner
Patent abstract
An evaluation point E of a present position candidate corresponding to each satellite set is calculated based on an a priori residual (APR) (APR value), a PDOP value, and the number of satellites of the target satellite set according to E=k1·f1(APR)+k2·f2(PDOP)+k3·f3(number of satellites). Evaluation coefficients k1 to k3 for respectively weighting evaluation functions f1 to f3 are determined based on an APR average value.
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