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浏览/检索结果: 共45条，第1-10条 帮助 条数/页： 5101520253035404550556065707580859095100 排序方式： 请选择题名升序题名降序发表日期升序发表日期降序提交时间升序提交时间降序作者升序作者降序 A framework of data assimilation for wind flow fields by physics-informed neural networks 期刊论文  OAI收割 APPLIED ENERGY, 2024, 卷号: 371, 页码: 18 作者:  Yan C(闫畅);  Xu SF(许盛峰);  Sun ZX(孙振旭);  Lutz, Thorsten;  Guo DL(郭迪龙)   |  收藏  |  浏览/下载：12/0  |  提交时间：2024/11/22 Data assimilation  Wind field reconstruction  Physics-informed deep learning   The Mesoscale SST-Wind Coupling Characteristics in the Yellow Sea and East China Sea Based on Satellite Data and Their Feedback Effects on the Ocean 期刊论文  OAI收割 JOURNAL OF MARINE SCIENCE AND ENGINEERING, 2024, 卷号: 12, 期号: 10, 页码: 17 作者:  Cui, Chaoran;  Xu, Lingjing   |  收藏  |  浏览/下载：10/0  |  提交时间：2024/12/20 mesoscale wind-SST coupling  satellite data  Yellow and East China Seas  Tikhonov regularization method  eddy kinetic energy   Wind resource droughts in China 期刊论文  OAI收割 ENVIRONMENTAL RESEARCH LETTERS, 2023, 卷号: 18, 期号: 9, 页码: 94015 作者:  Liu, Fa;  Wang, Xunming;  Sun, Fubao;  Wang, Hong   |  收藏  |  浏览/下载：23/0  |  提交时间：2023/09/07 wind energy  wind resource drought  observation data  China   Testing the Linearity of Vector Fields in Cold and Dense Space Plasmas 期刊论文  OAI收割 The Astrophysical Journal, 2022, 卷号: 929, 期号: 2 作者:  Liu,Y. Y.;  Wang,Z.;  Chen,G.;  Yu,Y.;  Guo,Z. Z.   |  收藏  |  浏览/下载：63/0  |  提交时间：2022/07/01 Space plasmas  Astronomy data analysis  Magnetohydrodynamics  Solar wind   The Fusion of Physical, Textural, and Morphological Information in SAR Imagery for Hurricane Wind Speed Retrieval Based on Deep Learning 期刊论文  OAI收割 IEEE TRANSACTIONS ON GEOSCIENCE AND REMOTE SENSING, 2022, 卷号: 60, 页码: 13 作者:  Mu, Shanshan;  Li, Xiaofeng;  Wang, Haoyu   |  收藏  |  浏览/下载：41/0  |  提交时间：2022/07/18 Hurricanes  Synthetic aperture radar  Wind speed  Radar polarimetry  Sea surface  Sea measurements  Data models  Deep learning  hurricane wind  synthetic aperture radar (SAR)   The features and mechanisms of the North Shandong Coastal Current: a case study in 2014 期刊论文  OAI收割 JOURNAL OF OCEANOGRAPHY, 2021, 页码: 16 作者:  Zheng, Xiangyang;  Zhang, Hua;  Li, Yanfang;  Zou, Tao;  Liu, Xin   |  收藏  |  浏览/下载：31/0  |  提交时间：2021/06/07 The North Shandong Coastal Current  North Yellow Sea  Observational current velocity data  Winter large wind events  Momentum analysis   Improving Princeton Forcing Dataset over Iran Using the Delta-Ratio Method 期刊论文  OAI收割 WATER, 2020, 卷号: 12, 期号: 3, 页码: 15 作者:  Zhang, Qinghuan;  Tang, Qiuhong;  Liu, Xingcai   |  收藏  |  浏览/下载：32/0  |  提交时间：2021/03/23 Iran  meteorological forcing data  observed data  precipitation  wind speed   Improving Princeton Forcing Dataset over Iran Using the Delta-Ratio Method 期刊论文  OAI收割 WATER, 2020, 卷号: 12, 期号: 3, 页码: 15 作者:  Zhang, Qinghuan;  Tang, Qiuhong;  Liu, Xingcai;  Hosseini-Moghari, Seyed-Mohammad;  Attarod, Pedram   |  收藏  |  浏览/下载：37/0  |  提交时间：2021/03/23 Iran  meteorological forcing data  observed data  precipitation  wind speed   The braking index of PSR B0540-69 and the associated pulsar wind nebula emission after spin-down rate transition 期刊论文  OAI收割 Monthly Notices of the Royal Astronomical Society, 2020, 卷号: 494, 页码: 1865-1870 作者:  HXMT   |  收藏  |  浏览/下载：67/0  |  提交时间：2022/02/08 stars: magnetic field  stars: neutron  pulsars: general  Astrophysics  - High Energy Astrophysical Phenomena  Abstract: In 2011 December, PSR B054-69 experienced a spin-down rate transition (SRT), after which the spin-down power of the pulsar increased by $\sim 36{{\ \rm per\ cent}}$. About 1000 d after the SRT, the X-ray luminosity of the associated pulsar wind nebula (PWN) was found to brighten by $32\pm 8{{\ \rm per\ cent}}$. After the SRT, the braking index n of PSR B0540-69 changes from n = 2.12 to 0.03 and then keeps this value for about five years before rising to n = 0.9 in the following years. We find that most of the current models have difficulties in explaining the measured braking index. One exceptive model of the braking index evolution is the increasing dipole magnetic field of PSR B0540-69. We suggest that the field increase may result from some instabilities within the pulsar core that enhance the poloidal component at the price of toroidal component of the magnetic field. The increasing dipole magnetic field will result in the X-ray brightening of the PWN. We fit the PWN X-ray light curve by two models: one assumes a constant magnetic field within the PWN during the brightening and the other assumes an enhanced magnetic field proportional to the energy density of the PWN. It appears that the two models fit the data well, though the later model seems to fit the data a bit better. This provides marginal observational evidence that magnetic field in the PWN is generated by the termination shock. Future high-quality and high-cadence data are required to draw a solid conclusion.   SOTE: A Nonlinear Method for Magnetic Topology Reconstruction in Space Plasmas 期刊论文  OAI收割 The Astrophysical Journal Supplement Series, 2019, 卷号: 244, 期号: 2 作者:  Liu,Y. Y.;  Fu,H. S.;  Olshevsky,V.;  Pontin,D. I.;  Liu,C. M.   |  收藏  |  浏览/下载：134/0  |  提交时间：2019/12/04 magnetic fields  magnetic reconnection  methods: data analysis  solar wind  turbulence