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A 150-W Spaceborne GaN Solid-State Power Amplifier for BeiDou Navigation Satellite System
IEEE Transactions on Aerospace and Electronic Systems, 2022This article describes the design, testing, and space qualification of a 150-W high-power and high-efficiency GaN solid-state amplifier (SSPA) used in the BeiDou Navigation Satellite System (BDS).
X. Jing +3 more
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2022 7th Asia Conference on Power and Electrical Engineering (ACPEE), 2022
In the context of the construction of new power systems, with the continuous increase in the scale of 5G network construction and the massive access of high proportions of new energy, the transmission and distribution network has derived a variety of new
Geng Li, Xiong Yu, Wenbing Lu
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In the context of the construction of new power systems, with the continuous increase in the scale of 5G network construction and the massive access of high proportions of new energy, the transmission and distribution network has derived a variety of new
Geng Li, Xiong Yu, Wenbing Lu
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BeiDou Navigation Satellite System and its time scales [PDF]
Metrologia, 2011 The development and current status of BeiDou Navigation Satellite System are briefly introduced. The definition and realization of the system time scales are described in detail. The BeiDou system time (BDT) is an internal and continuous time scale without leap seconds. It is maintained by the time and frequency system of the master station.
Yuanxi Yang, Zhiwu Cai, Chunhao Han
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A Comparison of SSPA and TWTA for Beidou Navigation Satellite System
International Conference on Microwave and Millimeter Wave Technology, 2021This paper describes an L-band Solid State Power Amplifier (SSPA) and a Traveling Wave Tube Amplifier (TWTA), used in the Beidou Navigation Satellite System (BDS).
X. Jing +5 more
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Electrically Small Antenna for BeiDou Chinese Navigation Satellite System [PDF]
2020 23rd International Microwave and Radar Conference (MIKON), 2020 A concept of electrically small antenna for BeiDou BD2 B3 Chinese navigation satellite system was developed and studied. Three main miniaturized techniques: antenna loading by using high permittivity materials, making some part of antennas virtual by using ground planes and short circuits, and optimizing geometry have been employed in the design ...
Yevhen Yashchyshyn +5 more
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Operation and development of BeiDou Navigation Satellite System
2015 International Association of Institutes of Navigation World Congress (IAIN), 2015The BeiDou Navigation Satellite System (BDS) is a new family member in the Global Navigation Satellite System(GNSS). It increases the usability and availability of Positioning, Navigation and Timing (PNT) around China in Asia-Pacific area, and the global users can also profit from the constellation for high accuracy.
Jing Li +3 more
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Research and progress of Beidou satellite navigation system
Science China Information Sciences, 2012The paper gives a brief review of the development course and strategic planning of Beidou satellite navigation system, and introduces its construction progress, with emphasis on the research progress of some key technologies of Beidou, including navigation constellation design, navigation signal structure and performance, compatibility and ...
FuPing Sun +3 more
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A novel satellite selecting algorithm for BeiDou navigation satellite system
2015 International Conference on Wireless Communications & Signal Processing (WCSP), 2015In the future, BeiDou Navigation Satellite System (BDS) will has a more widely application in various fields, and high accuracy and fast positioning will be increasingly demanded. Satellite selecting algorithm has a vital influence on positioning accuracy and speed. Therefore, optimal algorithm to select satellites is one of important steps; it will be
Lidong Zhu, Wen Li
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IEEE Intelligent Transportation Systems Magazine, 2019
The full utilization of Location-Based Vehicle Sensor Data (LB-VSD) can improve the efficiency of traffic control and management. Currently, LB-VSD is widely applied to the prediction of traffic speed.
Jiandong Zhao +4 more
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The full utilization of Location-Based Vehicle Sensor Data (LB-VSD) can improve the efficiency of traffic control and management. Currently, LB-VSD is widely applied to the prediction of traffic speed.
Jiandong Zhao +4 more
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