Results 21 to 30 of about 97,411,129 (238)

Analysis and Assessment of BDS-2 and BDS-3 Broadcast Ephemeris: Accuracy, the Datum of Broadcast Clocks and Its Impact on Single Point Positioning

Remote Sensing, 2020
For the global ordinary users, the broadcast ephemeris plays important roles in positioning, navigation and timing (PNT) services. With the construction of a new generation of the BeiDou navigation satellite system (BDS), the development of BDS has ...
Guoqiang Jiao, Shuli Song, Yangyang Liu, Ke Su, Na Cheng, Shengli Wang   +5 more
doaj   +2 more sources

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

Remote 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, Wei Song, Yize Zhang, Xiaozhu Shi, Zhi Wang, Song Xu, Wansen Shu   +6 more
doaj   +2 more sources

Precise Orbit Determination of BDS-2 and BDS-3 Using SLR

Remote Sensing, 2019
The BeiDou Navigation Satellite System (BDS) of China is currently in the hybrid-use period of BDS-2 and BDS-3 satellites. All of them are equipped with Laser Retroreflect Arrays (LRAs) for Satellite Laser Ranging (SLR), which can directly obtain an ...
Honglei Yang, Tianhe Xu, Wenfeng Nie, Fan Gao, Meiqian Guan   +4 more
doaj   +2 more sources

Evaluation of Network RTK Positioning Performance Based on BDS-3 New Signal System

Remote Sensing, 2021
The BeiDou navigation satellite system (BDS-3) has been deployed and provides positioning, navigation, and timing (PNT) services for users all over the world.
Pengxu Wang, Hui Liu, Zhixin Yang, Bao Shu, Xintong Xu, Guigen Nie   +5 more
doaj   +2 more sources

Characteristics of Inter-System Bias between BDS-2 and BDS-3 and Its Impact on BDS Orbit and Clock Solutions

Remote Sensing, 2023
The inter-system-like bias between the regional (BDS-2) and global (BDS-3) constellation of the BeiDou Navigation Satellite System (BDS) has been identified on common B1I pseudo-range observations. In this study, its characteristics are investigated with
Xiaolong Xu, Zhan Cai
doaj   +2 more sources

Estimation and Analysis of BDS-3 Differential Code Biases from MGEX Observations

Remote Sensing, 2019
The third generation of China’s BeiDou Navigation Satellite System (BDS-3) began to provide global services on 27 December, 2018. Differential code bias (DCB) is one of the errors in precise BDS positioning and ionospheric modeling, but the impacts
Qisheng Wang, Shuanggen Jin, Liangliang Yuan, Youjian Hu, Jie Chen, Jiabin Guo   +5 more
doaj   +2 more sources

Performance Assessment of BDS-2/BDS-3/GPS/Galileo Attitude Determination Based on the Single-Differenced Model with Common-Clock Receivers

Remote Sensing, 2021
Global navigation satellite system (GNSS)-based attitude determination has been widely applied in a variety of fields due to its high precision, no error accumulation, low power consumption, and low cost. Recently, the emergence of common-clock receivers
Mingkui Wu, Shuai Luo, Wang Wang, Wanke Liu   +3 more
doaj   +2 more sources

A BDS-2/BDS-3 Integrated Method for Ultra-Rapid Orbit Determination with the Aid of Precise Satellite Clock Offsets

Remote Sensing, 2019
The accuracy of ultra-rapid orbits is a key parameter for the performance of GNSS (Global Navigation Satellite System) real-time or near real-time precise positioning applications.
Qianxin Wang, Chao Hu, Kefei Zhang
doaj   +2 more sources

Improving GNSS/INS Tightly Coupled Positioning by Using BDS-3 Four-Frequency Observations in Urban Environments

Remote Sensing, 2022
Vehicular positioning in urban environments has become a research hotspot in recent years, and global navigation satellite system/inertial navigation system (GNSS/INS) tightly coupled positioning is a commonly used method. With the broadcast of BDS-3 and
Chun Ma, Shuguo Pan, Wang Gao, Fei Ye, Liwei Liu, Hao Wang   +5 more
doaj   +2 more sources

Evidence of Accelerated Evolution and Ectodermal-Specific Expression of Presumptive BDS Toxin cDNAs from Anemonia viridis

Marine Drugs, 2013
Anemonia viridis is a widespread and extensively studied Mediterranean species of sea anemone from which a large number of polypeptide toxins, such as blood depressing substances (BDS) peptides, have been isolated.
Aldo Nicosia, Teresa Maggio, Salvatore Mazzola, Angela Cuttitta   +3 more
doaj   +2 more sources