Results 121 to 130 of about 51,700 (277)
Multipath mitigation technique under strong multipath environment using multiple antennas [PDF]
2016-2017 > Academic research: refereed > Publication in refereed journal201804_a bcmaVersion of ...
Amai, O, Hsu, LT, Kobayashi, K, Kubo, N
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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
doaj +1 more source
A Novel Power Inversion Antenna Array for the Beidou Navigation Satellite System
Power inversion (PI) arrays have been employed to suppress interference in satellite navigation systems. When the incident direction of a satellite signal is near that of the interference, there will be a significant degradation in the signal to noise ...
Yiheng Jin +4 more
semanticscholar +1 more source
Sensitivity of GNSS-R spaceborne observations to soil moisture and vegetation [PDF]
Global navigation satellite systems-reflectometry (GNSS-R) is an emerging remote sensing technique that makes use of navigation signals as signals of opportunity in a multistatic radar configuration, with as many transmitters as navigation satellites are
Camps Carmona, Adriano José +6 more
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BDS Empowers Smart Water Conservancy Construction: Current Status, Challenges, and Future Opportunities [PDF]
The 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
doaj +1 more source
Software receiver design for GNSS-R using multiple GNSS satellites as transmitters
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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and Navigation Group at DLR’s German Space Operations [PDF]
member of the Executive and Governing Board of ...
C. Rizos +7 more
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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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Medium Earth Orbits: Is There a Need for a Third Protected Region? [PDF]
The Inter-Agency Space Debris Coordination Committee (IADC) and the United Nations have adopted the concept of near-Earth regions which should be afforded protection from the accumulation of orbital debris.
Johnson, Nicholas L.
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Towards Quantum Communication from Global Navigation Satellite System
Satellite-based quantum communication is an invaluable resource for the realization of a quantum network at the global scale. In this regard, the use of satellites well beyond the low Earth orbits gives the advantage of long communication time with a ...
Agnesi, Costatino +9 more
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