Application of expectation–maximization algorithm to estimate random walk process noise for GNSS tropospheric delay

GNSS (Global Navigation Satellite Systems) tropospheric delay, specifically zenith wet delay (ZWD), shows clear spatial–temporal variations and is usually modeled as RWPN (random walk process noise). However, because RWPN does not take the geographical position of GNSS stations and local weather con...

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Vydáno v:	GPS solutions Ročník 28; číslo 4; s. 204
Hlavní autoři:	Zhang, Xinggang, Li, Pan, Wang, Miaomiao, Ge, Maorong, Schuh, Harald
Médium:	Journal Article
Jazyk:	angličtina
Vydáno:	Berlin/Heidelberg Springer Berlin Heidelberg 01.10.2024 Springer Nature B.V
Témata:	Algorithms Atmospheric Sciences Automotive Engineering Delay Earth and Environmental Science Earth Sciences Electrical Engineering Estimates Geophysics/Geodesy Global navigation satellite system Maximization Optimization Original Article Parameter estimation Position measurement Random walk Satellite observation Space Exploration and Astronautics Space Sciences (including Extraterrestrial Physics Troposphere Weather Precise point positioning Severe weather GNSS Kalman filter Troposphere Random walk process noise Expectation–maximization algorithm
ISSN:	1080-5370, 1521-1886
On-line přístup:	Získat plný text
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