Results 81 to 90 of about 18,768,627 (118)
Sensors, 2018 For the last two decades, the American GPS and Russian GLONASS were the basic systems used in global positioning and navigation. In recent years, there has been significant progress in the development of positioning systems.
Zbigniew Siejka
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High-Accuracy Phase Frequency Detection Technology Based on BDS Time and Frequency Signals
SensorsFor the time and frequency signals of Beidou satellites, a high-accuracy phase frequency detection technology based on phase group synchronization is proposed.
Baoqiang Du, Lanqin Tan
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BDS Empowers Smart Water Conservancy Construction: Current Status, Challenges, and Future Opportunities [PDF]
ISPRS Annals of the Photogrammetry, Remote Sensing and Spatial Information SciencesThe BeiDou Navigation Satellite System (BDS) is a critical spatial-temporal infrastructure in China, and since its inception, it has been widely applied across various socio-economic sectors.
Z. Pang +5 more
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, 2014 Satellite-station two-way time comparison is a typical design in Beidou System (BDS) which is significantly different from other satellite navigation systems.
Li XiaoJie +7 more
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gLAB upgrade with BeiDou navigation system signals [PDF]
, 2015 The gLAB tool suit is an educational and professional multipurpose GNSS data processing software. It has been developed by gAGE/UPC under a contract of the European Space Agency (ESA). The current version of gLAB allows full GPS data processing with High
Wang, Xiaoli
core
ISPRS International Journal of Geo-Information, 2016 By August 2016, 5 new-generation BeiDou satellites (BeiDou-3) have successfully been launched. The observations of a very limited number of 9 International GNSS (Global Navigation Satellite System) Monitoring and Assessment Service (iGMAS) stations and ...
Bingfeng Tan +4 more
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Software receiver design for GNSS-R using multiple GNSS satellites as transmitters
The Journal of Engineering, 2019 A novel global navigation satellite system-reflectometry (GNSS-R) software receiver and its preliminary experimental results are presented in this study.
Shuzhu Shi, Shiwei Wang, Tao Li
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Multiangle Bistatic SAR Imaging and Fusion Based on BeiDou-2 Navigation Satellite System
, 2015 Bistatic Synthetic Aperture Radar (BSAR) based on the Global Navigation Service System (GNSSBSAR) uses navigation satellites as radar transmitters, which are low in cost. However, GNSS-BSAR images have poor resolution and low Signal-to-Noise Ratios (SNR).
Zeng Tao +3 more
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Orbit and clock products for quad-system satellites with undifferenced ambiguity fixing approach
Satellite NavigationInteger Ambiguity Resolution (IAR) can significantly improve the accuracy of GNSS Precise Orbit Determination (POD). Traditionally, the IAR in POD is achieved at the Double Differenced (DD) level.
Jiaqi Wu +6 more
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, 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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