Results 91 to 100 of about 732,198 (160)

Development of a High-Resolution Tropospheric Delay Model Integrating GNSS ZTD and ERA5 Reanalysis

open access: yesIEEE Journal of Selected Topics in Applied Earth Observations and Remote Sensing
Tropospheric delay is a key metric in weather monitoring and represents one of the primary error sources in precise positioning. Advances in Global Navigation Satellite System (GNSS) and numerical weather models (NWM) present significant potential for ...
Cuixian Lu   +4 more
doaj   +1 more source

GPS measurements of ocean loading and its impact on zenith tropospheric delay estimates: a case study in Brittany, France.

open access: yes, 2002
International audienceThe results from a global positioning system (GPS) experiment carried out in Brittany, France, in October 1999, aimed at measuring crustal displacements caused by ocean loading and quantifying their effects on GPS-derived ...
Vey, S., Calais, E.
core   +1 more source

Alternative Strategy for Estimating Zenith Tropospheric Delay from Precise Point Positioning

open access: yes, 2017
. This study considered zenith total delay (ZTD) estimation from precise point positioning (PPP) based on GPS only (PPP GPS), GLONASS only (PPP GLO), and GPS+GLONASS (PPP GPS+GLO) using both a conventional strategy when applying a model for the ...
Jareer Mohammed   +3 more
core   +1 more source

The Impact of Different Ocean Tide Loading Models on GNSS Estimated Zenith Tropospheric Delay Using Precise Point Positioning Technique

open access: yes, 2020
Global navigation satellite systems (GNSSs) have become an important tool to derive atmospheric products, such as the total zenith tropospheric delay (ZTD) and precipitable water vapor (PWV) for weather and climate studies.
Zishen Li   +7 more
core   +1 more source

Near real-time prediction of Zenith Tropospheric Delays for position estimation over long-baseline CORS network [PDF]

open access: yes, 2009
This paper presents the preliminary results in establishing a strategy for predicting Zenith Tropospheric Delay (ZTD) and relative ZTD (rZTD) between Continuous Operating Reference Stations (CORS) in near real-time.
Feng, Yanming, Wang, Charles
core  

A Novel Enhancement of the MIMIC Remote Sensing Water Vapor Product and Its Application in GNSS Positioning

open access: yesIEEE Journal of Selected Topics in Applied Earth Observations and Remote Sensing
Tropospheric delay plays a crucial role in global navigation satellite systems (GNSS) positioning, climate monitoring, and weather forecasting. In particular, in high-precision GNSS applications such as precise point positioning (PPP), prior tropospheric
Ranran Jia   +5 more
doaj   +1 more source

An analysis of the accuracy of zenith tropospheric delay calculated from ECMWF/NCEP data over Asian area

open access: yes, 2012
The tropospheric delay is an important error source for the satellite navigation and positioning, and the numerical forecast data derived from meteorological instruments can be used to calculate the tropospheric delay.
Chen Qin-Ming, Song Shu-Li, Zhu Wen-Yao
core  

Home - About - Disclaimer - Privacy