Results 121 to 130 of about 653 (164)

A new Egyptian Grid Weighted Mean Temperature (EGWMT) model using hourly ERA5 reanalysis data in GNSS PWV retrieval. [PDF]

Sci Rep
Sleem RE, Abdelfatah MA, Mousa AE, El-Fiky GS.   +3 more
europepmc   +1 more source

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

Characteristics of Ionospheric Responses over China During the November 2023 Geomagnetic Storm and Evaluation of Positioning Performance of CORS in Low-Latitude Regions. [PDF]

Sensors (Basel)
Li L, Wang Y, Zhang J, Tang J, Yu F, Wang J, Zhang Z.   +6 more
europepmc   +1 more source

Assimilation of ground-based GNSS data using a local ensemble Kalman filter. [PDF]

Sci Rep
Shao C, Nerger L.
europepmc   +1 more source

A Low-Complexity Hybrid Handover Strategy for LEO NTN: Balancing Stability and Link Quality. [PDF]

Sensors (Basel)
Aldubaikhy K.
europepmc   +1 more source

A Regional Zenith Tropospheric Delay (ZTD) Model Based on GPT3 and ANN [PDF]

Remote Sensing, 2021
The delays of radio signals transmitted by global navigation satellite system (GNSS) satellites and induced by neutral atmosphere, which are usually represented by zenith tropospheric delay (ZTD), are required as critical information both for GNSS positioning and navigation and GNSS meteorology.
Jiming Guo, Chaoyang Zhang, Fei Yang
exaly   +3 more sources

Improved Zenith Tropospheric Delay Modeling Using the Piecewise Model of Atmospheric Refractivity [PDF]

Remote Sensing, 2020
As one of the atmosphere propagation delays, the tropospheric delay is a significant error source that should be properly handled in high-precision global navigation satellite system (GNSS) applications. We propose an improved zenith tropospheric delay (ZTD) modeling method whereby the piecewise model of the atmospheric refractivity is introduced ...
Zengke Li, Liu Yang
exaly   +3 more sources

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Preliminary Study on the Variation of Zenith Tropospheric Delay with Altitude

Lecture Notes in Electrical Engineering, 2013
Tropospheric delay is a major source of error for ground-to-air, air-to-ground observation and various types of radio navigation positioning technology, and it is usually corrected by tropospheric delay models for the majority of real-time navigation users.
Shuli Song, Song Shuli, Zhu Wenyao
exaly   +2 more sources

Prediction of zenith tropospheric delay by multi-layer perceptron

Journal of Applied Geodesy, 2009
Christos Pikridas
exaly   +2 more sources