Results 81 to 90 of about 2,076 (165)
, 2014 Beidou is the regional satellite navigation system in China, consisting of three kinds of orbiting satellites, MEO, GEO and IGSO, with the orbital altitudes of 21500-36000 kin.
Wang, Yuan-Ming +8 more
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, 2016 Spatial segment is one of three segments of each satellite navigation systems (SNS). Nowadays two SNSs, GPS and GLONASS, are fully operational, two next SNSs, BeiDou in China and Galileo in Europe, are in final phase of the construction.
Januszewski, J.
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Design and experiment of onboard laser time transfer in Chinese Beidou navigation satellites
, 2013 High-precision time synchronization between satellites and ground stations plays the vital role in satellite navigation system. Laser time transfer (LTT) technology is widely recognized as the highest accuracy way to achieve time synchronization derived ...
Meng, Wendong +11 more
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Extra-Wide Lane Ambiguity Resolution and Validation for a Single Epoch Based on the Triple-Frequency BeiDou Navigation Satellite System. [PDF]
Sensors (Basel), 2020 Deng J, Zhang A, Zhu N, Ke F.
europepmc +1 more source
The Research, Development, and Acquisition Process for the Beidou Navigation Satellite Program [PDF]
, 2014 The Beidou navigation satellite system is regarded as a strategic system intended to diminish Chinese reliance on the U.S. Global Positioning System (GPS). Support for Beidou, however, has not always been firm or universal.
Besha, Patrick +2 more
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Earth Radiation Pressure Modelling for Beidou IGSO Satellites [PDF]
, 2017 This study shows ERP (Earth Radiation Pressure) is significant for precise orbit determination of BeiDou satellites, systematic error is observable in the orbit products if it is ignored in the orbital dynamics.
Bhattarai, S, Li, Z, Grey, S, Ziebart, M
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The accurate measurement of water vapor is essential for research about and the applications of meteorology, climatology, and hydrology. Based on the BeiDou PPP-B2b service, real-time precipitable water vapor (PWV) can be retrieved with the precise point
Yunchang Cao +5 more
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Agricultural mechanization is a vital indicator of agricultural modernization. Historical developments in China and abroad demonstrate that agricultural machinery has fundamentally transformed production methods.
Jialu Chen, Kaixin Chen, Xinyu Qiu
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An Evaluation of the Beidou Time System (BDT)
, 2011 The evaluation of Beidou system time is one of the important tasks in constructing and developing the Beidou satellite navigation system. The evaluation methods based on two-way satellite time and frequency transfer method (TWSTFT) and GPS common-view ...
Wen-hai Jiao +4 more
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Vehicle Positioning Based on BeiDou Satellite Navigation System
Highlights in Science, Engineering and TechnologyThis paper is mainly based on the BeiDou Satellite Navigation System (BDS) to solve the application of vehicle positioning. First, the paper illustrates the locating theory of BDS. Second, it analyzes the advantages of BDS based on the theory. Next, the paper emphasizes the application of BDS in vehicle positioning, which includes the application of ...
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