Zobrazeno 1 - 10
of 81
pro vyhledávání: '"Hanxian Fang"'
Publikováno v:
Atmosphere, Vol 15, Iss 11, p 1319 (2024)
The ionospheric state holds significant implications for satellite navigation, radio communication, and space weather; however, precise forecasting of the ionosphere remains a formidable challenge. To improve the accuracy of traditional forecasting m
Externí odkaz:
https://doaj.org/article/c55d10bdd08b4c7aafe258fa47e393be
Publikováno v:
Atmosphere, Vol 15, Iss 10, p 1258 (2024)
During sudden stratospheric warming (SSW) events, significant modifications occur, not only in the neutral atmosphere, but also in the ionosphere. Specifically, sporadic E layers in the mesosphere and lower thermosphere regions significantly disrupt
Externí odkaz:
https://doaj.org/article/d02115ef271544f19afdf019729008c7
Publikováno v:
IET Radar, Sonar & Navigation, Vol 17, Iss 6, Pp 1017-1022 (2023)
Abstract Ionospheric phase contamination (IPC) is a major contributor to the imprecise retrieval of ocean dynamics parameters by the high‐frequency hybrid sky‐surface wave radar (HFHSSW). Since the direct wave and sea echo of HFHSSW have comparab
Externí odkaz:
https://doaj.org/article/5698c9415be442bbbd9badef8543448f
Publikováno v:
Earth and Space Science, Vol 10, Iss 12, Pp n/a-n/a (2023)
Abstract This study addresses the issue of locating the scattering points on the sea surface and rectifying the interference caused by the ionosphere phase in the remote sensing of ocean dynamics parameters. Wide‐beam high‐frequency hybrid sky‐
Externí odkaz:
https://doaj.org/article/82611683a0e947daa0e4244a64f36623
Publikováno v:
IEEE Journal of Selected Topics in Applied Earth Observations and Remote Sensing, Vol 16, Pp 9437-9447 (2023)
This article describes a new elliptical current (${\overset{\scriptscriptstyle\rightharpoonup}{v}}_{E - \text{ssw}}$) retrieval scheme for single-station wide-beam high-frequency sky–surface wave radar, which focuses on solving the problem of locat
Externí odkaz:
https://doaj.org/article/41e1b5070f03475989f6c1a0f43c57cf
Publikováno v:
Universe, Vol 8, Iss 8, p 405 (2022)
In this paper, we forecast the regional total electron content (TEC) over China (0–60° N, 70–140° E) two hours in advance using a deep learning method called pix2pixhd that is based on Generative Adversarial Networks (GAN). We use the Internati
Externí odkaz:
https://doaj.org/article/9761c5ec216b451599176f903378ffae
Publikováno v:
Atmosphere, Vol 13, Iss 7, p 1150 (2022)
In this paper, the initial neutral atmospheric parameters, background ionospheric parameters and geomagnetic field parameters of the ionosphere are obtained by NRLMSISE-00 model, IRI-2016 model and IGRF-13 model, respectively. Considering the neutral
Externí odkaz:
https://doaj.org/article/ec6f90782e374ab295240c4efdab3283
Publikováno v:
Universe, Vol 8, Iss 6, p 331 (2022)
In this paper, the ionospheric disturbances of CO2, which is released by rocket exhaust plumes, was simulated. The effect of this disturbance on the propagation of high-frequency (HF) radio waves at different incident frequencies was also simulated b
Externí odkaz:
https://doaj.org/article/1b2b47a887e24d9296496db6affcc09a
Autor:
Mengyan Feng, Hanxian Fang, Weihua Ai, Xiongbin Wu, Xianchang Yue, Lan Zhang, Chaogang Guo, Qing Zhou, Xiaoyan Li
Publikováno v:
Remote Sensing, Vol 14, Iss 6, p 1461 (2022)
The capability of a skywave over-the-horizon radar (SWR) to achieve the continuous observation of a wide range of ocean dynamics parameters via a single ionospheric reflection has been demonstrated by many scholars. In order to expand the method of S
Externí odkaz:
https://doaj.org/article/6a15b8c684164792ad5f6059a202c635
Publikováno v:
Remote Sensing, Vol 13, Iss 22, p 4714 (2021)
The longitudinal structure in the altitude of the Sporadic E (Es) was investigated for the first time based on the S4 index provided by the Constellation Observing System for Meteorology, Ionosphere, and Climate (COSMIC) in low latitudes. The longitu
Externí odkaz:
https://doaj.org/article/4c2c3c9fb808436c9ac9f727d18b71ad