A Refined Zenith Tropospheric Delay Model Based on a Generalized Regression Neural Network and the GPT3 Model in Europe

A Refined Zenith Tropospheric Delay Model Based on a Generalized Regression Neural Network and the GPT3 Model in Europe

An accurate model of the Zenith Tropospheric Delay (ZTD) plays a crucial role in Global Navigation Satellite System (GNSS) precise positioning, water vapor retrieval, and meteorological research. Current empirical models (such as the GPT3 model) can only reflect the approximate change trend of ZTD b...

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Bibliographic Details
Main Authors: Min Wei, Xuexiang Yu, Fuyang Ke, Xiangxiang He, Keli Xu
Format: Article
Language:English
Published: MDPI AG 2023-11-01
Series:Atmosphere
Subjects:
GNSS
Zenith Tropospheric Delay
Generalized Regression Neural Network
ERA5
IGS data
GPT3
Online Access:https://www.mdpi.com/2073-4433/14/12/1727

Internet

https://www.mdpi.com/2073-4433/14/12/1727

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