Results 161 to 170 of about 1,062 (188)

Estimation of Tropospheric Delay Models Compliance

2008
Tropospheric delay can be a significant source of error for satellite-based positioning systems, if it is not properly estimated. Two basic types of delay prediction models exist. The first use surface meteorological parameters to estimate the magnitude of the tropospheric delay, and the other global models use average and seasonal variation data.
Kos, Tomislav, Markežić, Ivan
openaire   +2 more sources

An improved fitting model of the regional tropospheric delay

2012 5th International Congress on Image and Signal Processing, 2012
Tropospheric delay errors, as the main error source of the continuous operating reference station system(short for CORS), must be corrected in high-precision positioning. In this article, several high precision fitting models are introduced, and their accuracy in different conditions is compared and analyzed.
Xianjian Lu, Hongbo Yan, Chao Ren
openaire   +1 more source

Fast tropospheric delay predictions for antenna height diversity

IEEE Transactions on Communications, 1997
Terrestrial microwave links sometimes suffer from signal fading which may be relieved with antenna diversity or frequency diversity. Vertical spacing of the antennas has been known empirically to offer performance gains for many links. A fast new method for tropospheric delay predictions is discussed. It uses Mathematica for critical functional fits to
openaire   +1 more source

Assessment of BeiDou’s Tropospheric Model (IGGtrop) for tropospheric delay correction in northern hemisphere

Journal of Applied Geodesy, 2019
Abstract Satellite navigation systems face different types of errors that affect the positioning accuracy. The tropospheric delay considers one of the major sources of error for the transmitted signal that could face a tropospheric delay of over 2 m at zenith and 20 m at lower satellite elevation angles. A positioning error of 10 m could
openaire   +1 more source

Tropospheric Delay from VLBI and GNSS Measurements

Astronomy Letters, 2018
Using an updated version of the QUASAR software package developed at the Institute of Applied Astronomy of the Russian Academy of Sciences, we have processed the VLBI observations within the international CONT14 program (May 6–20, 2014), in which a global network of 17 stations was involved (a total of ~250 000 observations).
openaire   +1 more source

Corrections to “Robust Modeling of GNSS Tropospheric Delay Dynamics”

IEEE Transactions on Aerospace and Electronic Systems, 2022
Elisa Gallon, Mathieu Joerger, Boris Pervan   +2 more
openaire   +1 more source

Simulation Analysis of LEO Constellation Augmented GNSS (LeGNSS) Zenith Troposphere Delay and Gradients Estimation

IEEE Transactions on Geoscience and Remote Sensing, 2023
Pengfei Zhang, Wenwu Ding, Yunbin Yuan   +2 more
exaly  

Consistency of the Troposphere Wet Delay From Water Vapor Radiometer and Co‐Located GPS Station

Radio Science, 2023
Jun Jiang, Shuli Song, Weili Zhou
exaly  

Brightness Temperature and Wet Tropospheric Correction of HY-2C Calibration Microwave Radiometer Using Model-Derived Wet Troposphere Path Delay from ECMWF

Remote Sensing, 2023
Maofei Jiang
exaly  

A new empirical troposphere model using ERA5's monthly averaged hourly dataset

Journal of Atmospheric and Solar-Terrestrial Physics, 2022
Ali Hasan Dogan, Bahattin Erdogan
exaly