Zobrazeno 1 - 10
of 463
pro vyhledávání: '"Marine gravity"'
Publikováno v:
Earth, Planets and Space, Vol 76, Iss 1, Pp 1-16 (2024)
Abstract Satellite altimetry is the main tool for constructing global or regional marine gravity fields. To improve the accuracy and spatial resolution, it is necessary to fuse multi-mission altimeters. How to determine the weights of multi-mission a
Externí odkaz:
https://doaj.org/article/ea74015ecf4c4bdda2ebc5f1be84586f
Publikováno v:
Geodesy and Geodynamics, Vol 15, Iss 4, Pp 397-403 (2024)
China has successfully launched four Haiyang-2 (HY-2) series altimetry satellites. HY-2A has attracted significant attention in gravity field recovery, but the performance of other HY-2 series satellites, including HY-2B/C/D, is seldom discussed. Thi
Externí odkaz:
https://doaj.org/article/ae774027e25442b6accab3e8984ad483
Autor:
Aoyu Ma, Nengfang Chao, Pengbo Qin, Cheinway Hwang, Chengcheng Zhu, Gang Chen, Zhengtao Wang, Shuai Wang
Publikováno v:
Frontiers in Marine Science, Vol 11 (2024)
High-precision sea surface height is crucial for determining the marine gravity field. The Sentinel-3/6 altimetry missions, equipped with SRAL and Poseidon-4 altimeters, provide this essential data. However, there is a lack of comprehensive assessmen
Externí odkaz:
https://doaj.org/article/aa648584563b41f6a7ad96e22e942ca3
Publikováno v:
IEEE Access, Vol 12, Pp 172638-172647 (2024)
The marine geoid can be determined through the utilization of the marine gravity anomaly model. The accuracy of retrieving marine gravity anomaly model with altimetry data has been improved due to the abundance and high quality of available altimetry
Externí odkaz:
https://doaj.org/article/b897fa01896e402b8decf6352b493b45
Publikováno v:
Egyptian Journal of Remote Sensing and Space Sciences, Vol 26, Iss 3, Pp 607-617 (2023)
Marine gravity has been modeled using satellite radar altimetry for more than two decades. However, the accuracy of the predicted gravity field is constrained by the range precision and spatial coverage of the altimetry observations. The objective of
Externí odkaz:
https://doaj.org/article/d41144f336cc4189b358052bd1aa1f9f
Akademický článek
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Publikováno v:
Journal of Marine Science and Engineering, Vol 12, Iss 8, p 1314 (2024)
With the development of satellite altimetry technology and the application of new altimetry satellites, the accuracy and resolution of altimeter-derived gravity field models have improved over the last decades. Nowadays, they are close enough to ship
Externí odkaz:
https://doaj.org/article/ece172ceff514499a4a5847cb1642241
Publikováno v:
Satellite Navigation, Vol 4, Iss 1, Pp 1-15 (2023)
Abstract In this paper, the effect of geographical location on Cyclone Global Navigation Satellite System (CYGNSS) observables is demonstrated for the first time. It is found that the observables corresponding to the same wind speed vary with geograp
Externí odkaz:
https://doaj.org/article/0a104f6ef9bf40d4a470bc456d71634a
Publikováno v:
Remote Sensing, Vol 16, Iss 3, p 576 (2024)
Full tensor of gravity gradients contains extremely large amounts of information, which is one of the most important sources for research on recovery seafloor topography and underwater matching navigation. The calculation and accuracy of the full ten
Externí odkaz:
https://doaj.org/article/fa789a402cae42d0bc053636c389fe2b
Autor:
Yang Zhou, Wenzhang Wang, Guiguo Ge, Jinting Li, Danfang Zhang, Meng He, Biao Tang, Jiaqi Zhong, Lin Zhou, Runbing Li, Ning Mao, Hao Che, Leiyuan Qian, Yang Li, Fangjun Qin, Jie Fang, Xi Chen, Jin Wang, Mingsheng Zhan
Publikováno v:
Sensors, Vol 24, Iss 3, p 1016 (2024)
A dynamic gravimeter with an atomic interferometer (AI) can perform absolute gravity measurements with high precision. AI-based dynamic gravity measurement is a type of joint measurement that uses an AI sensor and a classical accelerometer. The coupl
Externí odkaz:
https://doaj.org/article/1d080cf12e85425bba3d3051a0704d35