Real-time retrieval of high-precision ZTD maps using GNSS …
2024年1月2日 · To retrieve real-time and high-precision ZTD maps, we propose a real-time linear and nonlinearity ZTD (RLNZ) model using GNSS observations. The initial value of the RLNZ …
Real-time tropospheric delay map retrieval using sparse GNSS …
2023年10月23日 · Here we present a real-time high-precision ZTD (RHZ) model for generating high-resolution regional ZTD maps from sparse GNSS stations. The model is divided into …
Real-time high-resolution tropospheric delay mapping based on …
2024年8月8日 · In this contribution, a real-time high-resolution (0.01° × 0.01°) zenith tropospheric delay (ZTD) model considering sparse stations and topography variations (named GFNSS) is …
利用GNSS观测实时检索高精度ZTD地图,Geodesy and …
考虑ZTD时空变化的线性和非线性特征，提出了一种针对大高差区域的实时高精度ZTD模型，称为实时线性和非线性ZTD（RLNZ）模型。 该模型使用全球压力和温度 3 (GPT3) 模型估计的 …
A real-time ZTD model in China using ERA5 and GNSS based on …
2024年10月24日 · Zenith total delay (ZTD) is a significant error source in Global Navigation Satellite System (GNSS) operations. While empirical ZTD models are widely used, the …
A high precision 3-D tropospheric delay model over China using …
2025年2月1日 · In this paper, a high precision three-dimensional (3-D) tropospheric delay grid model (ZTD_3D) over China with a horizontal resolution of 0.25° × 0.25° and a time resolution …
Real-time retrieval of high-precision ZTD maps using GNSS …
A regional ZTD model that makes full use of the ZTD calculated from regional GNSS data and the corresponding ZTD estimated by global pressure and temperature 3 (GPT3) model is …
Real-time retrieval of high-precision ZTD maps using
2024年1月1日 · Accurate modeling of zenith tropospheric delay (ZTD) is beneficial for high-precision navigation and positioning. Many models with good performance have been …
Analysis of different mathematical methods for ZTD spatial …
2025年3月21日 · However, the ZTD prediction spatial characteristics of these mathematical methods are different. Kriging and IDW predict the ZTD more accurately in low-altitude areas, …
This study investigates the retrievals of zenith total delay (ZTD) and precipitable water vapour (PWV) using the real-time precise point positioning (PPP) approach, based on the BKG NTRIP …