Satellite navigation/dead-reckoning navigation integrated positioning device
作者： Hiroyuki Toda , Hiroshi Hamada , Masaki Suyama , Mika Tanaka , Kunihiko Hashimoto
DOI:
关键词:
摘要: Disclosed is a satellite navigation/dead-reckoning navigation integrated positioning device with improved accuracy of data including position, velocity, and the like, which can be constituted at low cost. A tracking processing module (31) performs, base on GPS signal, acquisition thereof demodulation message. calculation (32) calculates like based pseudo-range observation, Doppler frequency ephemeris gives calculated to an output judgment (43) (31). Based external support information inertial sensor, map or about difference between position measured in addition observation (42) estimates estimated (43). The compares outputs judge reliability from abnormality data.
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