分享|对流层延迟、电离层延迟、重力数据下载方式_code提供的对 …
2024年5月27日 · IGS(International GNSS Service)提供对流层天顶延迟（ZPD）文件，可从cddis分析中心下载（ftp://cddis.gsfc.nasa.gov/gps/products/trop_zpd），其数据间隔 …
顶延迟(zenithtotaldelay,ZTD)的时空特性进行了分析，结果表明，各测站ZTD平均值随大地高指数递减，衰 减因子与纬度近似线性关系，其时域变化呈现年周期和半年周期，周期、振幅、初 …
A real-time ZTD model in China using ERA5 and GNSS based on …
2024年10月24日 · Our EOF-based model is designed to produce real-time gridded ZTD data by integrating historical reanalysis data and ZTD observations from multiple GNSS stations. This …
A refined zenith tropospheric delay model for Mainland China …
2023年7月15日 · Modeling zenith tropospheric delay (ZTD) is crucial for GNSS-based positioning and PWV/climate monitoring (Askne and Nordius 1987; Bevis et al. 1992; Zhang et al. 2021). …
ZTD 对流层天顶总延迟 - CSDN文库
2025年1月15日 · 天顶对流层延迟（Zenith Tropospheric Delay, ZTD）是全球导航卫星系统（Global Navigation Satellite System, GNSS）的关键参数之一，它直接影响着GPS等卫星定位 …
SHAtrop：基于陆态网GNSS数据的中国大陆区域ZTD模型
Temporal and spatial characteristics of the zenith tropospheric delay (ZTD) over mainland China are analyzed using the Crustal Movement Observation Network of China (CMONOC) GNSS …
Establishing a high-precision real-time ZTD model of China
2022年10月7日 · First, the zenith tropospheric delay (ZTD) is extracted in real time with high accuracy by combining the data of more than 500 GNSS stations in the Crustal Movement …
A method for calculating real-time ZTD grid data in Chinese …
2024年2月1日 · This paper presents a method to obtain real-time ZTD grid data in Chinese regions utilizing the ZTD-modified ERA5 grid products from GNSS stations. Initially, the …
A New Global Fine-Scale Stratification Zenith Tropospheric
2024年12月28日 · Furthermore, with GNSS ZTD as a reference, the GZTDFS model shows higher accuracy and better applicability. The GZTDFS model also outperforms GPT3 by 7% …
Evaluation of Zenith Tropospheric Delay Derived from ERA5 Data …
High-precision ZTD plays a vital role in GNSS positioning and meteorological study. Compared with GNSS ZTD, this paper evaluates the accuracy of ERA5 ZTD and analyzes the spatial …