Results 231 to 240 of about 107,355,091 (276)

Dynamics of ionic liquids under confinement in disordered mesopores. [PDF]

Nanoscale Adv
Oberdisse J, Alauzun JG, Sharma S, Alegría A, Hesemann P, Genix AC.   +5 more
europepmc   +1 more source

Home energy efficiency, overcrowding and lower respiratory tract infection admissions in infants: national birth cohort study in Scotland

Hart C, Rammah A, Riccio M, De Stavola B, Taylor J, Symonds P, Cunningham S, Dibben C, Swann O, Hajna S, Hardelid P.   +10 more
europepmc   +1 more source

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Real-Time Precise Orbit Determination With Undifferenced Ambiguity Resolution for LuTan-1A Satellite Using Onboard GPS/BDS-3 Observations

IEEE Transactions on Instrumentation and Measurement
The rapid growth of space-based activities has greatly heightened the need for accurate, real-time tracking of low Earth orbit (LEO) satellite positions.
Tao Geng, Qiang Li, Xin Xie, Han-Lin Chen, Lingyue Cheng, Zhi-Qiang Li, Qi-Le Zhao   +6 more
semanticscholar   +1 more source

Multi-Frequency BDS-3 Real-Time Positioning Performance Assessment Using New PPP-B2b Augmentation Service

IEEE Sensors Journal, 2023
A new precise point positioning (PPP)-B2b augmentation service broadcast by the BeiDou Navigation Satellite System (BDS-3) geosynchronous Earth orbit (GEO) satellite can provide real-time and high-precision orbit and clock offset corrections for global ...
Haitao Zhou, Wenju Fu, Lei Wang, Tao Li, Yuan Wu, Rui-Zhi Chen, Juanjuan Li   +6 more
semanticscholar   +1 more source

Precise Real-Time Navigation of the LT-1A Satellite Based on New BDS-3 B1C/B2a Signals

IEEE Sensors Journal
Precise real-time navigation using the global navigation satellite system (GNSS) is a mainstream technique for low-Earth-orbiting (LEO) satellites, with increasing development opportunities due to the availability of multiple GNSS constellations and ...
Wan-Wei Zhang, Xue-Wen Gong, Fu-Hong Wang, Song Xie, Jun-Li Chen, Ruwei Zhang, Junjian Wen, Bin Zhong   +7 more
semanticscholar   +1 more source

BDS-3/BDS-2 Combined Precise Clock Estimation and Time Transfer Using Ultrarapid Products

IEEE Transactions on Instrumentation and Measurement
To provide high-precision timing services of the BeiDou Navigation Satellite System (BDS), this work performs a detailed investigation of integrated BDS-3 and BDS-2 real-time precise point positioning (PPP) time transfer with the ultrarapid products ...
Yulong Ge, Xin-Yun Cao, Chen-Hui Jiang, Fei Shen   +3 more
semanticscholar   +1 more source

DFMC SBAS service performance analysis of multi-GNSS based on BDS-3 in different regions

Measurement science and technology
The dual-frequency multi-constellation satellite-based augmentation system (DFMC SBAS) plays a crucial role in many fields, such as civil aviation and other safety-critical applications.
Ziwei Wang, Le Wang, Wei Xie, Guan-Wen Huang, Weicong Yang, Yaozhao Tian   +5 more
semanticscholar   +1 more source

BDS-3 full-frequency precise point positioning: models and performance comparison

Physica Scripta
With the BDS-3 six-frequency integration, there are more choices to implement the precise point positioning (PPP) technology. To take full advantage of the multi-frequency combination, six typical BDS-3 six-frequency PPP models using uncombined ...
Cancan Wang, Lin Pan
semanticscholar   +1 more source

Navigation Performance Analysis for GPS/BDS-3 Users with Interfered Observations

2024 3rd International Symposium on Aerospace Engineering and Systems (ISAES)
The Global Navigation Satellite System (GNSS) has provided Position, Navigation, and Timing (PNT) services to global users. However, in military confrontations, satellite constellations often face various scenarios of failure, including interference ...
Kun Li, Shuailong Chen, Shuaiyong Zheng, Xuanwen Wang   +3 more
semanticscholar   +1 more source