Results 111 to 120 of about 191 (136)

Establishment and assessment of a zenith wet delay (ZWD) augmentation model

GPS Solutions, 2021
The zenith wet delay (ZWD) accuracy is one of the most important factors affecting the convergence time and the positioning precision in precise point positioning processing. Taking into account the limitation of the empirical and blind ZWD models, the correlations between the ZWD and temperature and water vapor pressure at each point of the global 1o ×
Fei Yang   +5 more
openaire   +1 more source

Assimilation of Zenith Wet Delay observations using the ensemble Kalman Filter in a Poly-ZWD empirical model over the USA

Journal of Atmospheric and Solar-Terrestrial Physics
Modeling the spatial and temporal variability of water vapor in the lower atmosphere is crucial for meteorological and geodetic applications, as it directly influences weather prediction and satellite-based positioning. However, traditional empirical models often struggle to capture rapid water vapor fluctuations, limiting their accuracy and practical ...
Masoud Dehvari   +2 more
openaire   +2 more sources

Establishing Zenith Wet Delay model (ZWD) and developing a framework for generating high resolution PWV for extreme weather monitoring using MT-InSAR and GNSS for Indian Himalayan region 

Precipitable water vapor (PWV), an essential climate variable enlisted by the Global Climate Observing System (GCOS), can be efficiently mapped using popular Earth Observation techniques like Global Navigation Satellite System (GNSS) and Interferometric Synthetic Aperture Radar (InSAR). When used in a combination, these techniques complement each other
shivika saxena   +2 more
openaire   +1 more source

Time-delay interferometry

Living Reviews in Relativity, 2020
Massimo Tinto
exaly  

Cancer statistics, 2015

Ca-A Cancer Journal for Clinicians, 2015
Rebecca L Siegel
exaly  

Cancer statistics, 2013

Ca-A Cancer Journal for Clinicians, 2013
Ahmedin Jemal
exaly  

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