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浏览/检索结果: 共13条，第1-10条 帮助

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New Evolutionary Features of the Urban Scale Distribution in China: Based on the Seventh Census Data 期刊论文  OAI收割
APPLIED SPATIAL ANALYSIS AND POLICY, 2024, 卷号: N/A
作者:  Ma, Jing;  Chen, Mingxing;  Song, Wenming;  Chen, Liangkan
  |  收藏  |  浏览/下载：16/0  |  提交时间：2024/10/21
A High-Quality Adaptive Video Reconstruction Optimization Method Based on Compressed Sensing 期刊论文  OAI收割
CMES-COMPUTER MODELING IN ENGINEERING & SCIENCES, 2023, 卷号: 137, 期号: 1, 页码: 363-383
作者:  Zhang, Yanjun;  He, Yongqiang;  Zhang, Jingbo;  Zhao, Yaru;  Cui, Zhihua
  |  收藏  |  浏览/下载：24/0  |  提交时间：2023/11/17
ALCHEMI Finds a "Shocking" Carbon Footprint in the Starburst Galaxy NGC 253 期刊论文  OAI收割
Astrophysical Journal, 2022, 卷号: 938, 期号: 1, 页码: 1580
作者:  Harada, Nanase;  Martin, Sergio;  Mangum, Jeffrey G.;  Sakamoto, Kazushi;  Muller, Sebastien
  |  收藏  |  浏览/下载：15/0  |  提交时间：2023/06/19
What about the "Stayers"? Examining China's Resettlement Induced by Large Reservoir Projects 期刊论文  OAI收割
LAND, 2021, 卷号: 10, 期号: 2, 页码: 20
作者:  Jiang, Tianhe;  Wang, Mark;  Zhang, Yingnan;  Shi, Guoqing;  Yan, Dengcai
  |  收藏  |  浏览/下载：37/0  |  提交时间：2021/04/25
Investigating the effect of source contamination on eXTP/SFA 会议论文  OAI收割
Virtual, Online, CA, United states, 2020-12-14
作者:  Zhang, Juan;  Li, Gang;  Ge, Mingyu;  Kirsch, Christian;  Lorenz, Maximilian
  |  收藏  |  浏览/下载：41/0  |  提交时间：2021/02/05
GRB 200415A: A Short Gamma-Ray Burst from a Magnetar Giant Flare? 期刊论文  OAI收割
The Astrophysical Journal, 2020, 卷号: 899, 页码: 106
作者:  HXMT
  |  收藏  |  浏览/下载：40/0  |  提交时间：2022/02/08
Gamma-ray bursts  Soft gamma-ray repeaters  Magnetars  Gamma-ray  transient sources  629  1441  992  1853  Astrophysics - High Energy  Astrophysical Phenomena  Abstract: The giant flares of soft gamma-ray repeaters (SGRs) have long been proposed to contribute to at least a subsample of the observed short gamma-ray bursts (GRBs). In this paper, we perform a comprehensive analysis of the high-energy data of the recent bright short GRB 200415A, which was located close to the Sculptor galaxy. Our results suggest that a magnetar giant flare provides the most natural explanation for most observational properties of GRB 200415A, including its location, temporal and spectral features, energy, statistical correlations, and high-energy emissions. On the other hand, the compact star merger GRB model is found to have difficulty reproducing such an event in a nearby distance. Future detections and follow-up observations of similar events are essential to firmly establish the connection between SGR giant flares and a subsample of nearby short GRBs.  
Coordination of multiple rigid bodies under distance-induced interaction topologies 期刊论文  OAI收割
IET CONTROL THEORY AND APPLICATIONS, 2018, 卷号: 12, 期号: 15, 页码: 2067-2075
作者:  Deng, Juan;  Wang, Lin;  Liu, Zhixin;  Hu, Xiaoming
  |  收藏  |  浏览/下载：43/0  |  提交时间：2018/11/16
STEP Mission: Search for Terrestrial Exo-Planets 会议论文  OAI收割
European Planetary Science Congress 2013,, London, UK, 2013
Chen D.; Wu; J.; Li B.
收藏  |  浏览/下载：32/0  |  提交时间：2014/04/30
Research on model reference sliding mode control in roll stabilization of aerocraft (EI CONFERENCE) 会议论文  OAI收割
2011 International Conference on Electric Information and Control Engineering, ICEICE 2011, April 15, 2011 - April 17, 2011, Wuhan, China
Chu H.-R.
收藏  |  浏览/下载：40/0  |  提交时间：2013/03/25
Aimed at aerospace roll stabilization  control arithmetic based on model reference sliding mode variable structure theory and chattering reduction arithmetic are formulated. Correctness and validity of arithmetic are analyzed. With flight dynamics  the roll-loop mathematic model and reference model are established. Sliding hyperplane is deduced based on model reference sliding mode variable structure theory. Combing with reaching law  control law is derived  and stability of roll-loop is analyzed. Chattering of aileron instructions is alleviate by using boundary layer approach. Digital flying simulation result shows that variable structure control arithmetic realized roll stabilization control  the roll angle is less than 5.3 under powered flight  and that of unpowered flight is less than 0.5  respectively. The command fin angle is less than 1.5. High frequency chattering of fin command nearby the minimum velocity was trailed off by chattering reduction arithmetic. The sliding mode control arithmetic show good performance when aerodynamic coefficients varies 20%. The control arithmetic is easy to be implemented for its simplicity. 2011 IEEE.  
AN EXTRAGALACTIC (12)CO J=3-2 SURVEY WITH THE HEINRICH HERTZ TELESCOPE 期刊论文  OAI收割
ASTROPHYSICAL JOURNAL  , 2010, 卷号: 724, 期号: 2, 页码: 1336-1356
Mao Rui-Qing; Schulz Andreas; Henkel Christian
收藏  |  浏览/下载：19/0  |  提交时间：2011/11/23