Results 31 to 40 of about 269 (137)

Undifferenced and Uncombined GNSS Time Transfer and its Space Applications [PDF]

, 2023
This thesis presents a framework for developing a state-of-the-art undifferenced and uncombined (UDUC) time transfer technique for space applications.
Mi, Xiaolong
core  

Evaluation of earth rotation parameters from modernized GNSS navigation messages [PDF]

, 2022
Modernized navigation messages of global navigation satellite systems like GPS CNAV include earth rotation parameters (ERPs), namely the pole coordinates and UT1-UTC (∆UT1) as well as their rates.
Bradke, Markus, Hessels, Uwe, Montenbruck, Oliver, Ramatschi, Markus, Steigenberger, Peter   +4 more
core   +1 more source

Advancing Precise Orbit Determination and Precise Point Positioning of BDS-3 Satellites from B1IB3I to B1CB2a: Comparison and Analysis

Remote Sensing, 2023
The third generation of the Chinese BeiDou Navigation Satellite System (BDS-3) broadcasts new signals, i.e., B1C, B2a, and B2b, along with the legacy signals of BDS-2 B1I and B3I.
Chen Wang, Tengjie Luo, Shitong Chen, Pan Li   +3 more
doaj   +1 more source

Kinematic Absolute Positioning with Quad-Constellation GNSS [PDF]

, 2019
The absolute positioning technique is based on a point positioning mode with a single Global Navigation Satellite System (GNSS) receiver, which has been widely used in many fields such as vehicle navigation and kinematic surveying.
Cai, Changsheng, Cui, Xianqiang, Pan, Lin, Zhu, Jianjun   +3 more
core   +2 more sources

Tide Gauge Benchmark Monitoring Working Group Technical Report 2022 [PDF]

, 2023
editorial reviewedApplications of the Global Navigation Satellite Systems (GNSS) to Earth Sciences are numerous. The International GNSS Service (IGS), a voluntary federation of government agencies, universities and research institutions, combines GNSS ...
Bingley, R., Craddock, A., Deng, Z., Gravelle, M., Guichard, M., Hansen, D., Herring, T., HUNEGNAW, Addisu, Jia, M., King, M., Masoumi, S., Merrifield, M., Mitchum, G., Prouteau, E., Sanchez, L., Santamaria-Gomez, A., Schöne, T., Teferle, Felix Norman, Thaller, D., Williams, S., Wöppelmann, G.   +20 more
core   +1 more source

Comprehensive Evaluation of Data-Related Factors on BDS-3 B1I + B2b Real-Time PPP/INS Tightly Coupled Integration

Remote Sensing, 2022
Owing to the developments of satellite-based and network-based real-time satellite precise products, the Precise Point Positioning (PPP) technique has been applied far and wide, especially since the PPP-B2b service was provided by the third-generation ...
Junyao Kan, Zhouzheng Gao, Qiaozhuang Xu, Ruohua Lan, Jie Lv, Cheng Yang   +5 more
doaj   +1 more source

Low-Cost IMU and Odometer Tightly Augmented PPP-B2b-Based Inter-Satellite Differenced PPP in Urban Environments

Remote Sensing, 2022
Since 23 June 2020, BDS-3 has been entirely operated and obtained the ability of global PNT (Positioning, Navigation, and Timing) services. Afterward, real-time Precise Point Positioning (PPP) service is available in China’s surrounding areas via BDS-3 ...
Yu Min, Zhouzheng Gao, Jie Lv, Ruohua Lan, Qiaozhuang Xu, Cheng Yang   +5 more
doaj   +1 more source

The Bias in PPP-B2b Real-Time Clock Offset and the Strategy to Reduce It

Remote Sensing, 2022
Precise point positioning can provide accurate coordinates to users without reference stations, and the high-precision real-time clock offset product is necessary for real-time precise point positioning application.
Jinhuo Liu, Chengpan Tang, Shanshi Zhou, Xiaogong Hu, Yufei Yang, Jianhua Yang, Yuchen Liu   +6 more
doaj   +1 more source

Orbit determination of Sentinel-6A using the Galileo high accuracy service test signal [PDF]

, 2022
The High Accuracy Service (HAS) is an upcoming addition to the Galileo service portfolio that offers free correction data for precise point positioning in real-time.
Fernández-Hernández, Ignacio, Hauschild, André, Martini, Ilaria, Montenbruck, Oliver, Steigenberger, Peter   +4 more
core   +3 more sources

Advancing the Solar Radiation Pressure Model for BeiDou-3 IGSO Satellites [PDF]

, 2022
In the absence of detailed surface information, empirical solar radiation pressure (SRP) models, such as the five-parameter Empirical CODE Orbit Model (ECOM1) and its extended version-ECOM2, are widely used for modeling SRP forces acting on GNSS ...
Chen, Dezhong, Ge, Maorong, Neitzel, Frank, Tang, Longjiang, Wang, Chen, Xia, Fengyu, Ye, Shirong   +6 more
core   +1 more source