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浏览/检索结果: 共50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提交时间升序提交时间降序作者升序作者降序发表日期升序发表日期降序 A Novel Method for Recognizing Space Radiation Sources Based on Multi-Scale Residual Prototype Learning Network 期刊论文  OAI收割 SENSORS, 2023, 卷号: 23, 期号: 10, 页码: 25 作者:  Liu, Pengfei;  Guo, Lishu;  Zhao, Hang;  Shang, Peng;  Chu, Ziyue   |  收藏  |  浏览/下载：16/0  |  提交时间：2023/12/13 space radiation source  closed set recognition  open set recognition  prototype learning   A framework of correcting the angular effect of land surface temperature on evapotranspiration estimation in single-source energy balance models 期刊论文  OAI收割 REMOTE SENSING OF ENVIRONMENT, 2022, 卷号: 283, 页码: 18 作者:  Jiang, Yazhen;  Tang, Ronglin;  Li, Zhao-Liang   |  收藏  |  浏览/下载：32/0  |  提交时间：2022/12/09 Evapotranspiration  Land surface temperature  Angular effect  Single-source energy balance models  Thermal radiation directionality   A framework of correcting the angular effect of land surface temperature on evapotranspiration estimation in single-source energy balance models 期刊论文  OAI收割 REMOTE SENSING OF ENVIRONMENT, 2022, 卷号: 283, 页码: 18 作者:  Jiang, Yazhen;  Tang, Ronglin;  Li, Zhao-Liang   |  收藏  |  浏览/下载：24/0  |  提交时间：2022/12/09 Evapotranspiration  Land surface temperature  Angular effect  Single-source energy balance models  Thermal radiation directionality   Thermal features and heat transfer enhancement of a Casson fluid across a porous stretching/shrinking sheet: Analysis of dual solutions 期刊论文  OAI收割 CASE STUDIES IN THERMAL ENGINEERING, 2021, 卷号: 28, 页码: 12 作者:  Khan, M. Riaz;  Elkotb, Mohamed Abdelghany;  Matoog, R. T.;  Alshehri, Nawal A.;  Abdelmohimen, Mostafa A. H.   |  收藏  |  浏览/下载：31/0  |  提交时间：2022/04/02 Casson fluid  Heat source  Stretching/Shrinking sheet  Thermal radiation  MHD  Convective condition   Applied Superconductivity and Electromagnetic Devices-Large-Scale Applications and Availability 期刊论文  OAI收割 IEEE TRANSACTIONS ON APPLIED SUPERCONDUCTIVITY, 2021, 卷号: 31, 期号: 8, 页码: 17 作者:  Zhou, Qian;  Wu, Wei;  Mei, Enming;  Sun, Liangting;  Zhang, Guoshu   |  收藏  |  浏览/下载：77/0  |  提交时间：2021/12/13 Superconducting magnets  Physics  Synchrotron radiation  Superconducting photodetectors  Superconductivity  Storage rings  Structural beams  Applied superconductivity  electromagnetic devices  superconducting magnets  low T_c superconductors (LTSs)  Nb_3Sn  high T_c superconductors (HTSs)  HTS 2G wires  ReBCO  YBCO thin film  Bi2212  CICC  HTS electromagnetic characteristics  critical current density  modification by ion-beam bombardment  PISM  ITER  tokamaks  heavy ion accelerator  ECR ion source  sextuple  dipole  multiplet  china Astro-Torus No  1 (CAT-1)  magnetic confinement device  dipole field  floating coil  accelerator mass spectrometry  isotope mass spectrometry   Unsteady Convective MHD Flow and Heat Transfer of a Viscous Nanofluid across a Porous Stretching/Shrinking Surface: Existence of Multiple Solutions 期刊论文  OAI收割 CRYSTALS, 2021, 卷号: 11, 期号: 11, 页码: 11 作者:  Alshehri, Nawal A.;  Abidi, Awatef;  Khan, Muhammad Riaz;  Reddy, Yanala Dharmendar;  Rasheed, Saim   |  收藏  |  浏览/下载：25/0  |  提交时间：2022/04/02 nanofluid  heat source  unsteady flow  aligned magnetic field  thermal radiation  porous medium   Unsteady radiative slip flow of MHD Casson fluid over a permeable stretched surface subject to a non-uniform heat source 期刊论文  OAI收割 CASE STUDIES IN THERMAL ENGINEERING, 2021, 卷号: 26, 页码: 10 作者:  Zhou, Jian-Cun;  Abidi, Awatef;  Shi, Qiu-Hong;  Khan, M. Riaz;  Rehman, Aysha   |  收藏  |  浏览/下载：28/0  |  提交时间：2022/04/02 Casson fluid  Aligned magnetic field  Thermal radiation  Non-uniform heat source  Slip condition   3D modeling of multi-radiation source semi-airborne transient electromagnetic response 期刊论文  OAI收割 CHINESE JOURNAL OF GEOPHYSICS-CHINESE EDITION, 2021, 卷号: 64, 期号: 2, 页码: 716-723 作者:  Li Xiu;  Hu WeiMing;  Xue GuoQiang   |  收藏  |  浏览/下载：35/0  |  提交时间：2021/10/09 Semi-airborne transient electromagnetic method  Multi-radiation source  Flight altitude  3D response  Modeling   Combined carrier phase and code phase passive radiation source localisation method 期刊论文  OAI收割 IET RADAR SONAR AND NAVIGATION, 2020, 卷号: 14, 期号: 1, 页码: 147-155 作者:     |  收藏  |  浏览/下载：20/0  |  提交时间：2020/11/09 Kalman filters  position control  direction-of-arrival estimation  Global Positioning System  nonlinear filters  time-of-arrival estimation  code phase passive radiation source localisation method  high-precision positioning method  arrival methods  carrier phase-based  positioning process  position tracking  times higher accuracy  TDOA method  positioning accuracy  traditional positioning method  combined carrier phase  time 4  0 s to 10  0 s   No pulsed radio emission during a bursting phase of a Galactic magnetar 期刊论文  OAI收割 Nature, 2020, 卷号: 587, 页码: 63-65 作者:  HXMT   |  收藏  |  浏览/下载：44/0  |  提交时间：2022/02/08 Astrophysics - High Energy Astrophysical Phenomena  Abstract: Fast radio bursts (FRBs) are millisecond-duration radio transients of unknown physical origin observed at extragalactic distances1-3. It has long been speculated that magnetars are the engine powering repeating bursts from FRB sources4-13, but no convincing evidence has been collected so far14. Recently, the Galactic magnetar SRG 1935+2154 entered an active phase by emitting intense soft íray bursts15. One FRB-like event with two peaks (FRB 200428) and a luminosity slightly lower than the faintest extragalactic FRBs was detected from the source, in association with a soft íray/hard-X-ray flare18-21. Here we report an eight-hour targeted radio observational campaign comprising four sessions and assisted by multi-wavelength (optical and hard-X-ray) data. During the third session, 29 soft-íray repeater (SGR) bursts were detected in íray energies. Throughout the observing period, we detected no single dispersed pulsed emission coincident with the arrivals of SGR bursts, but unfortunately we were not observing when the FRB was detected. The non-detection places a fluence upper limit that is eight orders of magnitude lower than the fluence of FRB 200428. Our results suggest that FRB-SGR burst associations are rare. FRBs may be highly relativistic and geometrically beamed, or FRB-like events associated with SGR bursts may have narrow spectra and characteristic frequencies outside the observed band. It is also possible that the physical conditions required to achieve coherent radiation in SGR bursts are difficult to satisfy, and that only under extreme conditions could an FRB be associated with an SGR burst.