Results 11 to 20 of about 18,991 (299)

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-
Lin Pan, Xuanping Li, Wenkun Yu
exaly   +4 more sources

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

open access: yesSci Rep, 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.
Liu W   +5 more
europepmc   +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 (Basel), 2023
With the continuous construction and development of the BeiDou navigation satellite system (BDS), its positioning performance is constantly being improved.
Gao M   +5 more
europepmc   +2 more sources

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

open access: yesSensors (Basel), 2017
Since 2015, China has successfully launched five experimental BeiDou global navigation system (BDS-3) satellites for expanding the regional system to global coverage.
Xie X, Geng T, Zhao Q, Liu J, Wang B.
europepmc   +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

Evaluation of BDS-2 and BDS-3 Satellite Atomic Clock Products and Their Effects on Positioning

open access: yesRemote Sensing, 2021
The BeiDou Navigation Satellite System (BDS) has completed third phase construction and currently provides global services, with a mixed constellation of BDS-2 and BDS-3. The newly launched BDS-3 satellites are equipped with rubidium and passive hydrogen
Shengfeng Gu   +5 more
doaj   +1 more source

Research on the Impact of BDS-2/3 Receiver ISB on LEO Satellite POD

open access: yesRemote Sensing, 2022
In recent years, the multi-GNSS positioning application is becoming more and more popular, same to the low Earth orbit (LEO) satellite precise orbit determination (POD) based on the onboard multi-GNSS measurements.
Xinglong Zhao   +5 more
doaj   +1 more source

Performance Analysis of BDS-3 FCB Estimated by Reference Station Networks over a Long Time

open access: yesMathematics, 2022
The stability and validity of the BDS-3 precise point positioning ambiguity solution (PPP-AR) is becoming more and more important along with the development of BDS-3 orbit and clock products over long durations.
Ke Qi   +3 more
doaj   +1 more source

Helmert Variance Component Estimation for Multi-GNSS Relative Positioning [PDF]

open access: yes, 2020
The Multi-constellation Global Navigation Satellite System (Multi-GNSS) has become the standard implementation of high accuracy positioning and navigation applications.
Fang, Zhenlong   +5 more
core   +2 more sources

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