Results 1 to 10 of about 18,075 (260)

Performance Evaluation of Real-Time Precise Point Positioning with Both BDS-3 and BDS-2 Observations [PDF]

open access: yesSensors, 2020
For time-critical precise applications, one popular technology is the real-time precise point positioning (PPP). In recent years, there has been a rapid development in the BeiDou Navigation Satellite System (BDS), and the constellation of global BDS (BDS-
Xia Pengfei, Wujiao Dai, Wenkun Yu
exaly   +4 more sources

Single-epoch RTK performance assessment of tightly combined BDS-2 and newly complete BDS-3

open access: yesSatellite Navigation, 2021
The BeiDou global navigation satellite system (BDS-3) constellation deployment has been completed on June 23, 2020, with a full constellation comprising 30 satellites.
Xiaohong Zhang, Wanke Liu, Liu Wanke
exaly   +2 more sources

Algorithms Research and Precision Comparison of Different Frequency Combinations of BDS-3\GPS\Galileo for Precise Point Positioning in Asia-Pacific Region [PDF]

open access: yesSensors, 2023
With the continuous construction and development of the BeiDou navigation satellite system (BDS), its positioning performance is constantly being improved.
Meng Gao   +5 more
doaj   +2 more sources

Performance of BDS-3: Measurement Quality Analysis, Precise Orbit and Clock Determination [PDF]

open access: yesSensors, 2017
Since 2015, China has successfully launched five experimental BeiDou global navigation system (BDS-3) satellites for expanding the regional system to global coverage.
Xin Xie   +4 more
doaj   +2 more sources

Signal-in-space range error and positioning accuracy of BDS-3 [PDF]

open access: yesScientific Reports, 2022
Being the first mixed-constellation global navigation system, the global BeiDou navigation system (BDS-3) designs new signals, the service performance of which has attracted extensive attention.
Weiping Liu   +5 more
doaj   +2 more sources

BDS-3 Time Group Delay and Its Effect on Standard Point Positioning

open access: yesRemote Sensing, 2019
The development of the BeiDou navigation system (BDS) is divided into three phases: The demonstration system (BDS-1), the regional system (BDS-2) and the global BeiDou navigation system (BDS-3).
Yulong Ge, Weijin Qin, Peipei Dai
exaly   +3 more sources

Evaluation of Inter-System Bias between BDS-2 and BDS-3 Satellites and Its Impact on Precise Point Positioning

open access: yesRemote Sensing, 2020
The BeiDou navigation satellite system (BDS) currently has 41 satellites in orbits and will reach its full constellation following the launch of the last BDS satellite in June 2020 to provide navigation, positioning, and timing (PNT) services for global ...
Yang Gao, Weiping Jiang, Wen Zhao
exaly   +3 more sources

Analyzing the Satellite-Induced Code Bias Variation Characteristics for the BDS-3 Via a 40 m Dish Antenna [PDF]

open access: yesSensors, 2020
The satellite-induced code bias variation of geostationary satellite orbit satellites and medium earth orbit satellites of the second-generation BeiDou Navigation Satellite System (BDS-2) exceeds 1 m, which severely affects the accuracy and stability of ...
Ju Hong   +6 more
doaj   +2 more sources

Temporal bone fracture presenting as isolated facial nerve paralysis mimicking Bell’s palsy: A case report

open access: yesAdvances in Oral and Maxillofacial Surgery, 2022
Facial nerve paralysis can be caused by temporal bone fractures. We present a case of a teenager presenting with a displaced fracture of the left zygomatic complex and left mandibular parasymphysis.
Nazish Ashfaq Khan   +2 more
doaj   +1 more source

Evaluation of BDS/GPS Multi-Frequency RTK Positioning Performance under Different Baseline Lengths

open access: yesRemote Sensing, 2022
The BeiDou Navigation Satellite System (BDS) is fully operational and provides positioning, navigation, and timing services to users worldwide. To comprehensively evaluate the BeiDou-3 Navigation Satellite System (BDS-3) global real-time kinematic (RTK ...
Ershen Wang   +6 more
doaj   +1 more source

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