| 摘要 |
PROBLEM TO BE SOLVED: To calculate an absolute position and to measure the position, with enhanced precision compared with that in the prior art, in a positioning means using a GPS. SOLUTION: The absolute position is calculated and the position is measured using three GPS receivers and antennas. Data from a GPS satellite are acquired at first in respective measuring points, using the three GPS receivers. Filtering processing is carried out using a distance between the measuring points in the two predetermined receivers as a restriction condition, out of the three receivers, to calculate the absolute position. The calculation of the absolute position and the position measurement of the enhanced precision compared with that in the prior art is possible by carrying out the calculation of the absolute position and the position measurement described hereinbefore. A measuring time can be also shortened. COPYRIGHT: (C)2008,JPO&INPIT
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