Results 61 to 70 of about 2,505 (209)
Engineering Reports, Volume 7, Issue 7, July 2025.Some stations have slightly larger errors in mid low latitude regions, while others have slightly smaller errors in high latitude regions. By comparing the B1C/B2a and B2b/B3I IFC SPP results of all 84 stations, it was found that the RMSE of all stations with B2b/B3I IFC was greater than that of B1C/B2a. ABSTRACT This article analyzes the BDS Phase III
Xingli Sun, Jinjie Yao
wiley +1 more source
A commentary of Hyper-accurate position in MIT Technology Review 2021
Fundamental Research, 2021 The positioning accuracy improvement of satellite navigation system support the development of industries related to high accuracy positioning. The BeiDou global satellite navigation system (BDS-3) started providing full-scale global services in 2020 ...
Xia Ren, Yuanxi Yang
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BeiDou-3 orbit and clock quality of the IGS Multi-GNSS Pilot Project
, 2022 Within the Multi-GNSS Pilot Project (MGEX) of the International GNSS Service (IGS), precise orbit and clock products for the BeiDou-3 global navigation satellite system (BDS-3) are routinely generated by a total of five analysis centers.
Deng, Zhiguo +5 more
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Review of European, Comparative &International Environmental Law, Volume 34, Issue 1, Page 170-180, April 2025.Abstract Solar radiation modification (SRM) reflects sunlight back into space and could rapidly cool Earth, potentially reducing the harms of dangerous climate change. Current international law fails to directly and comprehensively address the transboundary, regional and global governance challenges that SRM presents.
Rachel Neef
wiley +1 more source
Sensors, 2014 More and more Global Navigation Satellite Systems (GNSSs) have been developed and are in operation. Before integrating information on various GNSSs, the differences between the various systems must be studied first. This research focuses on analyzing the
Shau-Shiun Jan, An-Lin Tao
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Beacon Satellite Symposium: Session 5B - June 30th 2016: Radio Occultation Techniques and Measurements [PDF]
, 2016 During the Beacon Satellite Symposium, held in Trieste, Italy, between June 26 and July 1 2016, the JRC chaired the session 5B: Radio Occultation Techniques and Measurements. The corresponding abstract of the session is provided as follows: Since the mid-
ARAGON ANGEL MARIA ANGELES
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First Observation of Ionospheric Plasma Bubble Signatures by Ca+ Lidar at Low Latitude
Geophysical Research Letters, Volume 52, Issue 6, 28 March 2025.Abstract Ionospheric plasma bubbles refer to density depletion structures in the ionosphere, which are usually seen in the electron density profiles observed by radar, and have never been observed in the density profiles of metallic ions. In this letter, we report the first observation of plasma bubble signatures captured by lidar, manifested as ...
Wenjie Sun +12 more
wiley +1 more source
IET Microwaves, Antennas &Propagation, Volume 19, Issue 1, January/December 2025.Carry out unified analysis and modelling for the long‐wave ground wave propagation delay affected by multiple factors, so as to improve the accuracy of its delay prediction and the efficiency of engineering implementation. ABSTRACT At present, researchers often focus on various aspects such as the meteorological conditions along the long‐wave ...
Xiaolong Guan +6 more
wiley +1 more source
Sensors, 2016 The Chinese BeiDou navigation satellite system (BDS) aims to provide global positioning service by 2020. The combined use of BDS and Global Positioning System (GPS) is proposed to provide navigation service with more stringent requirements.
Shau-Shiun Jan, An-Lin Tao
doaj +1 more source
Remote Sensing, 2022 The Chinese BeiDou-3 navigation satellite system (BDS-3) is capable of transmitting both old B1I, B3I signals and new B1C, B2a, B2b signals. Current BDS-3 precise orbits are generally calculated using a B1I/B3I combination considering overlap with the ...
Bingfeng Tan, Qingsong Ai, Yunbin Yuan
doaj +1 more source