Zobrazeno 1 - 10
of 38
pro vyhledávání: '"Tengxu Zhang"'
Autor:
Junyu Li, Haojie Li, Lilong Liu, Jiaqing Chen, Yibin Yao, Mingyun Hu, Liangke Huang, Fade Chen, Tengxu Zhang, Lv Zhou
Publikováno v:
Geodesy and Geodynamics, Vol 15, Iss 3, Pp 276-290 (2024)
The potential of monitoring the movement of typhoons using the precipitable water vapor (PWV) has been confirmed. However, monitoring the movement of typhoon is focused on PWV, making it difficult to describe the movement of a typhoon in detail minut
Externí odkaz:
https://doaj.org/article/6546ed9cde754cccba9f8c3b8af98f78
Publikováno v:
Geodesy and Geodynamics, Vol 15, Iss 1, Pp 50-60 (2024)
Singular spectrum analysis is widely used in geodetic time series analysis. However, when extracting time-varying periodic signals from a large number of Global Navigation Satellite System (GNSS) time series, the selection of appropriate embedding wi
Externí odkaz:
https://doaj.org/article/f9eff05cb7b44fe191a44d74ac8ac40f
Autor:
Junyu Li, Mingyun Hu, Lilong Liu, Chaolong Yao, Liangke Huang, Tengxu Zhang, Lv Zhou, Fade Chen
Publikováno v:
All Earth, Vol 35, Iss 1, Pp 344-359 (2023)
ABSTRACTThe weighted mean temperature (Tm) is a key parameter to calculate the Global Navigation Satellite System (GNSS)-based precipitable water vapour (PWV). Data fusion provides a solution to depict the characteristics of Tm in detail. However, mu
Externí odkaz:
https://doaj.org/article/c5086fafc796497988f50d0b92fab76b
Publikováno v:
Geodesy and Geodynamics, Vol 14, Iss 2, Pp 111-120 (2023)
Temperature and pressure play key roles in Global Navigation Satellite System (GNSS) precipitable water vapor (PWV) retrieval. The National Aeronautics and Space Administration (NASA) and European Center for Medium-Range Weather Forecasts (ECMWF) hav
Externí odkaz:
https://doaj.org/article/3dee012c3d0e468487ef8e0d9db06b29
Autor:
Ziyu Shen, Wenbin Shen, Xinyu Xu, Shuangxi Zhang, Tengxu Zhang, Lin He, Zhan Cai, Si Xiong, Lingxuan Wang
Publikováno v:
Remote Sensing, Vol 15, Iss 14, p 3514 (2023)
We introduce an approach for the direct measurement of the gravitational potential (GP) along the trajectory of a satellite, with a specific focus on Low-Earth Orbit (LEO) satellites. A LEO satellite communicates with several Geosynchronous Equatoria
Externí odkaz:
https://doaj.org/article/61aa48c2b32f4d1da73f3ff58fecd4cd
Autor:
Ziyu Shen, Wenbin Shen, Shuangxi Zhang, C. K. Shum, Tengxu Zhang, Lin He, Zhan Cai, Si Xiong, Lingxuan Wang
Publikováno v:
Remote Sensing, Vol 15, Iss 12, p 3020 (2023)
The International Association of Geodesy (IAG) aims to establish the International Height Reference System (IHRS) as one of its primary scientific objectives. Central to the realization of the IHRS is global vertical datum unification, which requires
Externí odkaz:
https://doaj.org/article/730faa9334de4680bb8bc5ae9da39235
Publikováno v:
Geodesy and Geodynamics, Vol 11, Iss 1, Pp 46-55 (2020)
The Earth is an elastic body, and the surface mass loading changes will lead to elastic loading deformation on the surface of the Earth. In this study, we investigated the surface seasonal mass changes and vertical crustal deformation in North China
Externí odkaz:
https://doaj.org/article/0f0f7b63ac984d15b5a4959c4a98b412
Publikováno v:
Remote Sensing, Vol 14, Iss 16, p 4124 (2022)
NeQuick2 is a three-dimensional ionospheric electron density empirical model that uses numerical integration to calculate the total electron content along any line-of-sight (LOS). As one of the most commonly used three-dimensional ionospheric models,
Externí odkaz:
https://doaj.org/article/ccb75804546243309de1ff490c8f76ac
Publikováno v:
Remote Sensing, Vol 14, Iss 11, p 2638 (2022)
The continuing impact between the Eurasia Plate and India results in the thickening and shortening of the N-S Tibetan Plateau. There has been strong tectonic movement along the boundary of the zones of deformation of the NE corner of the Tibetan plat
Externí odkaz:
https://doaj.org/article/e888a3f578ba456e9924f588df549eb5
Autor:
Qingzhi Zhao, Kang Liu, Tengxu Zhang, Lin He, Ziyu Shen, Si Xiong, Yun Shi, Lichuan Chen, Weiming Liao
Publikováno v:
Remote Sensing, Vol 14, Iss 5, p 1086 (2022)
The conversion factor is a key parameter for converting zenith wet delays (ZWD) into precipitable water vapour (PWV) with a mean value of 0.15, and the traditional method of calculating it is to model the weighted average temperature in the process o
Externí odkaz:
https://doaj.org/article/d252d189c0aa472cbdc5a2b85195cb03