Results 211 to 220 of about 2,145,064 (260)

Tropospheric delays derived from Kalman-filtered VLBI observations

, 2015
Soja, B., Nilsson, T., Karbon, M., Balidakis, K., Lu, C., Anderson, J., Glaser, S., Liu, L., Mora-Diaz, J., Raposo-Pulido, V., Xu, M., Heinkelmann, R., Schuh, H.   +12 more
openaire   +2 more sources

Retrieving tropospheric delay using GPS single frequency receivers

, 2009
Deng, Z., Bender, M., Dick, G., Ge, M., Wickert, J.   +4 more
openaire   +2 more sources

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A tropospheric delay model to integrate ERA5 and GNSS reference network for mountainous areas: application to precise point positioning

GPS Solutions, 2023
Cuixian Lu, Yaxin Zhong, Zhilu Wu, Yuxin Zheng, Qiuyi Wang   +4 more
semanticscholar   +3 more sources

InSAR Spatial-Heterogeneity Tropospheric Delay Correction in Steep Mountainous Areas Based on Deep Learning for Landslides Monitoring

IEEE Transactions on Geoscience and Remote Sensing, 2023
Synthetic aperture radar interferometry (InSAR) technology has been widely used for landslide monitoring in mountainous areas. The troposphere in steep mountainous areas is affected by the variable topography, temperature, and humidity, which differs ...
Hao Zhou, K. Dai, Saied Pirasteh, Rongpeng Li, Jianming Xiang, Zhenhong Li   +5 more
semanticscholar   +1 more source

A global grid model for the estimation of zenith tropospheric delay considering the variations at different altitudes

Geoscientific Model Development, 2023
. The accuracy of tropospheric delay correction heavily depends on the quality of the tropospheric model, and the zenith tropospheric delay (ZTD) is an important factor affecting the tropospheric delay.
Liangke Huang, Shengwei Lan, G. Zhu, Fade Chen, Junyu Li, Lilong Liu   +5 more
semanticscholar   +1 more source

Robust Modeling of GNSS Tropospheric Delay Dynamics

IEEE Transactions on Aerospace and Electronic Systems, 2021
In this article, we develop new stochastic tropospheric error models for positioning, fault detection, and integrity monitoring over time. We first perform time-domain and frequency-domain analyses of residual tropospheric delays observed over 12 months at multiple globally distributed locations. We then derive bounding error models for time-sequential
Elisa Gallon, Mathieu Joerger, Boris Pervan   +2 more
openaire   +1 more source

Improved Mapping of Tropospheric Delays

Journal of Atmospheric and Oceanic Technology, 2001
Abstract The authors compare several methods to map the a priori tropospheric delay of global positioning system (GPS) signals from the zenith direction to lower elevations. This is commonly achieved with so-called mapping functions. Dry mapping functions are applied to the hydrostatic delay; wet mapping functions are used to map the zenith wet delay ...
Christian Rocken, Sergey Sokolovskiy, James M. Johnson, Doug Hunt   +3 more
openaire   +1 more source

An analysis of BDS-3 real-time PPP: Time transfer, positioning, and tropospheric delay retrieval

, 2021
With the development of China’s BDS-3, more studies focused on its performance in precise point positioning (PPP), mainly in post-processing mode. This study conducts a comprehensive investigation of BDS-3 real-time PPP with Centre National d’Etudes ...
Yulong Ge, Shaoxin Chen, Tao Wu, Caoming Fan, W. Qin, Feng Zhou, Xuhai Yang   +6 more
semanticscholar   +1 more source

Strategies for estimating tropospheric delays with GPS

2002 IEEE Position Location and Navigation Symposium (IEEE Cat. No.02CH37284), 2003
Until recently, the tropospheric zenith delay (TZD) was considered a nuisance parameter of the GPS observation model. However, as the requirements of the weather forecasting community have become better understood, the possible use of TZDs in weather forecasting has been recognized.
P. Collins, Y. Mireault, P. Heroux
openaire   +1 more source

Forecasting of Tropospheric Delay Using AI Foundation Models in Support of Microwave Remote Sensing

IEEE Transactions on Geoscience and Remote Sensing
Accurate tropospheric delay forecasts are imperative for microwave-based remote sensing techniques, playing a pivotal role in early warning and forecasting of natural disasters such as tsunamis, heavy rains, and hurricanes.
Junsheng Ding, Xiaolong Mi, Wu Chen, Junping Chen, Jungang Wang, Yize Zhang, J. Awange, Benedikt Soja, Lei Bai, Yuanfan Deng, Wenjie Tang   +10 more
semanticscholar   +1 more source