A high-precision ZTD interpolation method considering large area and height differences
Q Zhao, W Wang, Z Li, Z Du, P Yang, W Yao, Y Yao - GPS Solutions, 2024 - Springer
The existing methods for retrieving high-spatial resolution zenith tropospheric delay (ZTD),
such as interpolation and fitting methods, are not suitable for large areas and large height …
such as interpolation and fitting methods, are not suitable for large areas and large height …
Analysing the zenith tropospheric delay estimates in on-line precise point positioning (PPP) services and PPP software packages
As Global Navigation Satellite System (GNSS) signals travel through the troposphere, a
tropospheric delay occurs due to a change in the refractive index of the medium. The …
tropospheric delay occurs due to a change in the refractive index of the medium. The …
Real-time precise point positioning augmented with high-resolution numerical weather prediction model
The tropospheric delay is one of the major error sources in precise point positioning (PPP),
affecting the accuracy and precision of estimated coordinates and convergence time, which …
affecting the accuracy and precision of estimated coordinates and convergence time, which …
Statistical significance of trends in Zenith Wet Delay from re-processed GPS solutions
Abstract Long series of Zenith Wet Delay (ZWD) obtained as part of a homogeneous re-
processing of Global Positioning System solutions constitute a reliable set of data to be …
processing of Global Positioning System solutions constitute a reliable set of data to be …
A tropospheric zenith delay forecasting model based on a long short-term memory neural network and its impact on precise point positioning
Global navigation satellite system (GNSS) signals are affected by refraction when traveling
through the troposphere, which result in tropospheric delay. Generally, the tropospheric …
through the troposphere, which result in tropospheric delay. Generally, the tropospheric …
Estimating ionospheric power spectral density for long-range RTK positioning using uncombined observations
J Li, H Zhu, A Xu, Z Xu - GPS Solutions, 2023 - Springer
In uncombined long-range real-time kinematic positioning, the ionospheric delays are
usually parameterized as a random-walk process, and its power spectral density (PSD) is a …
usually parameterized as a random-walk process, and its power spectral density (PSD) is a …
Prediction of Zenith tropospheric delay in GNSS observations using support vector regression
Modelling of tropospheric delay has a crucial place in the Global Navigation Satellite System
(GNSS) as well as atmospheric and space research. Until now, many different modelling put …
(GNSS) as well as atmospheric and space research. Until now, many different modelling put …
On the consistency of tropospheric delays over mountainous terrain retrieved from Persistent Scatterer Interferometry, GNSS and Numerical Weather Prediction …
The tropospheric refraction along the signal path is the same for global navigation satellite
systems (GNSS) and radar interferometry. However, different observation geometries …
systems (GNSS) and radar interferometry. However, different observation geometries …
[HTML][HTML] 融合大气数值模式的高精度对流层天顶延迟计算方法
毛健， 崔铁军， 李晓丽， 陈莉， 孙艳玲， 高爽， 张辉 - 2019 - html.rhhz.net
针对现有对流层天顶延迟模型改正法因水汽参数难以精确获取所导致的时空分辨率与精度上的
不足问题, 提出了一种融合WRF (weather research and forecasting model) …
不足问题, 提出了一种融合WRF (weather research and forecasting model) …
High-resolution models of tropospheric delays and refractivity based on GNSS and numerical weather prediction data for alpine regions in Switzerland
The tropospheric delay of a microwave signal affects all space geodetic techniques. One
possibility of modeling the delay is by introducing tropospheric models from external data …
possibility of modeling the delay is by introducing tropospheric models from external data …