A high-precision ZTD interpolation method considering large area and height differences
Q Zhao, W Wang, Z Li, Z Du, P Yang, W Yao, Y Yao - GPS Solutions, 2024 - Springer
The existing methods for retrieving high-spatial resolution zenith tropospheric delay (ZTD),
such as interpolation and fitting methods, are not suitable for large areas and large height …
such as interpolation and fitting methods, are not suitable for large areas and large height …
A neural network-based approach for the detection of heavy precipitation using GNSS observations and surface meteorological data
Recent years have witnessed a growing interest in using GNSS observations to detect
heavy precipitation. In this study, a neural network-based (NN-based) approach taking …
heavy precipitation. In this study, a neural network-based (NN-based) approach taking …
Investigating the inter-relationships among multiple atmospheric variables and their responses to precipitation
In this study, a comprehensive investigation into the inter-relationships among twelve
atmospheric variables and their responses to precipitation was conducted. These variables …
atmospheric variables and their responses to precipitation was conducted. These variables …
[HTML][HTML] Assessment of BDS-3 PPP-B2b Service and Its Applications for the Determination of Precipitable Water Vapour
The precise point positioning (PPP) service via the B2b signal (PPP-B2b) on the BeiDou
Navigation Satellite System (BDS) provides high-accuracy orbit and clock data for global …
Navigation Satellite System (BDS) provides high-accuracy orbit and clock data for global …
Assessment of the accuracy of the Saastamoinen model and VMF1/VMF3 mapping functions with respect to ray-tracing from radiosonde data in the framework of …
P Feng, F Li, J Yan, F Zhang, JP Barriot - Remote Sensing, 2020 - mdpi.com
In this paper, we assess, in the framework of Global Navigation Satellite System (GNSS)
meteorology, the accuracy of GNSS propagation delays corresponding to the Saastamoinen …
meteorology, the accuracy of GNSS propagation delays corresponding to the Saastamoinen …
GNSS-RS tomography: Retrieval of tropospheric water vapor fields using GNSS and RS observations
W Zhang, S Zhang, N Ding, L Holden… - … on Geoscience and …, 2021 - ieeexplore.ieee.org
High spatiotemporal resolution atmospheric water vapor can be retrieved using the Global
Navigation Satellite System (GNSS) tomography technique, in which the remained ill-posed …
Navigation Satellite System (GNSS) tomography technique, in which the remained ill-posed …
Prediction of Zenith tropospheric delay in GNSS observations using support vector regression
Modelling of tropospheric delay has a crucial place in the Global Navigation Satellite System
(GNSS) as well as atmospheric and space research. Until now, many different modelling put …
(GNSS) as well as atmospheric and space research. Until now, many different modelling put …
A new hybrid observation GNSS tomography method combining the real and virtual inverted signals
Abstract Accurate three-dimensional (3D) atmospheric water vapor distribution, which plays
a crucial role in understanding the meteorological phenomena and hazards, has been …
a crucial role in understanding the meteorological phenomena and hazards, has been …
An initial investigation of the non-isotropic feature of GNSS tropospheric delay
Y Xu, Z Yang, H Zhou, F Zhang - Satellite Navigation, 2024 - Springer
Tropospheric delay is a significant error source in Global Navigation Satellite Systems
(GNSS) positioning. Slant Path Delay (SPD) is commonly derived by multiplying Zenith …
(GNSS) positioning. Slant Path Delay (SPD) is commonly derived by multiplying Zenith …
[HTML][HTML] Improving the performance of tropospheric mapping function in low elevation angle using artificial neural network
MA Abdelfatah - The Egyptian Journal of Remote Sensing and Space …, 2023 - Elsevier
Tropospheric delay is one of the major error sources in global navigation satellite systems
(GNSS). The position accuracy determined using GNSS depends on the satellite's geometry …
(GNSS). The position accuracy determined using GNSS depends on the satellite's geometry …