Results 141 to 150 of about 732,198 (160)

Continuous High-Precision Positioning in Smartphones by FGO-Based Fusion of GNSS-PPK and PDR. [PDF]

Micromachines (Basel)
Magsi AH, Díez LE, Knauth S.
europepmc   +1 more source

Assessment of BeiDou-3 and Multi-GNSS Precise Point Positioning Performance. [PDF]

Sensors (Basel), 2019
Jiao G, Song S, Ge Y, Su K, Liu Y.
europepmc   +1 more source

Real-time tropospheric delay retrieval with GPS, GLONASS, Galileo and BDS data. [PDF]

Sci Rep, 2018
Pan L, Guo F.
europepmc   +1 more source

Hourly PWV Dataset Derived from GNSS Observations in China. [PDF]

Sensors (Basel), 2019
Zhao Q, Yang P, Yao W, Yao Y.
europepmc   +1 more source

Evaluation of GPS/BDS-3 PPP-AR Using the FCBs Predicted by GA-BPNN Method with iGMAS Products. [PDF]

Sensors (Basel)
Wang J, Yang G, Liu Q, Xu Y.
europepmc   +1 more source

ANALISIS NILAI ZENITH TROPOSPHERIC DELAY (ZTD) CORS ULPC UNILA DENGAN METODE PRECISE POINT POSITIONING (PPP) [PDF]

Jurnal Tekno Global
ABSTRACT The propagation of GNSS signals from satellites orbiting at an altitude of approximately 22,000 km above the Earth's surface to the receiver must pass through the Earth's atmosphere. Within the atmospheric layers, the signals encounter numerous interferences, which are a significant source of errors in position determination using GNSS. Zenith
Sari, Atika, Fajriyanto, Rahmadi, Eko, Fadly, Romi   +3 more
openaire   +3 more sources

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A global zenith tropospheric delay model with ERA5 and GNSS-based ZTD difference correction

GPS Solutions, 2023
Qi Kang, Liangke Huang
exaly   +3 more sources

GPS zenith tropospheric delay (ZTD) variability in the Mediterranean

Physics and Chemistry of the Earth, Part A: Solid Earth and Geodesy, 2001
Abstract In the context of the MAGIC project (Meteorological Applications of GPS Integrated Column Water Vapor Measurements in the Western Mediterranean), zenith tropospheric delays (ZTD) are computed from Global Positioning System (GPS) signals at permanent sites in the western Mediterranean area continuously since November 1998.
Haase, J., Vedel, H., Ge, M., Calais, E.
openaire   +3 more sources

Transformer-Based Global Zenith Tropospheric Delay Forecasting Model

Remote Sensing, 2022
Zenith tropospheric delay (ZTD) plays an important role in high-precision global navigation satellite system (GNSS) positioning and meteorology. At present, commonly used ZTD forecasting models comprise empirical, meteorological parameter, and neural ...
Chaoqian Xu, Yibin Yao, Junbo Shi
exaly   +2 more sources

Comparisons between GAMIT-derived Zenith Tropospheric Delay (ZTD) values from AWS and GNSS met sensor values

Precise estimation of Zenith Tropospheric Delay (ZTD) is crucial for improving the accuracy of data from Continuously Operating Reference Stations (CORS), particularly in applications requiring high-precision GNSS positioning. This study focuses on evaluating various ZTD models to identify the most accurate approach for mitigating atmospheric delays in
Drishti Agarwal, Somnath Mahato, Pramod Balasaheb Gandugade, Balasubramanian Nagarajan, Onkar Dikshit   +4 more
openaire   +1 more source