POSITION CALCULATION METHOD AND APPARATUS WITH GPS

A GPS position calculating apparatus is configured to acquire orbit information from navigation data contained in signals transmitted from GPS satellites, the orbit information including a position, clock time and orbital speed of each GPS satellite at a transmission time of each signal, to calculat...

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Bibliographische Detailangaben
1. Verfasser:	SHIOMI KAZUYUKI
Format:	Patent
Sprache:	eng
Schlagworte:	ANALOGOUS ARRANGEMENTS USING OTHER WAVES DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION ORRERADIATION OF RADIO WAVES MEASURING PHYSICS RADIO DIRECTION-FINDING RADIO NAVIGATION TESTING
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Beschreibung
Zusammenfassung:	A GPS position calculating apparatus is configured to acquire orbit information from navigation data contained in signals transmitted from GPS satellites, the orbit information including a position, clock time and orbital speed of each GPS satellite at a transmission time of each signal, to calculate a position of each GPS satellite at a reception time of the same signal at a measurement point, from the acquired orbital speed and clock time, to calculate a range of a line segment connecting the calculated position of each GPS satellite with a position of the measurement point using a time difference between the transmission time and the reception time, and to calculate the position of the measurement point using the calculated range of the line segment as a pseudorange. A GPS position calculating method carried out by the apparatus is also disclosed.