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检索条件"机构=National Key Laboratory Science and Technology on Test Physics and Numerical Mathematics"
515 条 记 录,以下是331-340 订阅
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A Radar Signal Modulation Recognition Algorithm Based on Multi-branch Fusion Difference
A Radar Signal Modulation Recognition Algorithm Based on Mul...
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IEEE International Conference on Electronic Information and Communication technology (ICEICT)
作者: Sisi Jiang Jingpeng Gao Zhiye Jiang Fang Ye College of Information and Communication Engineering Harbin Engineering University Haibin China National Key Laboratory of Science and Technology on Test Physics and Numerical Mathematics Beijing Institute of Space Long March Vehicle Beijing China National Key Laboratory of Underwater Acoustic Technology College of Information and Communication Engineering Harbin Engineering University Harbin China
The time-frequency images of radar modulation signals are similar at low signal-to-noise ratios, which will lead to lower recognition accuracy. This paper proposes an algorithm based on multi-branch fusion differences...
来源: 评论
An Experimental Study on the Object Shielding Performance of Discrete Metal Wire Array
An Experimental Study on the Object Shielding Performance of...
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IEEE International Conference on Computational Electromagnetics (ICCEM)
作者: Weidong Wang Xin Liu Mingliang Wang Jiaqi Liu Gang Meng Zhiyong Gao Lei Mu Xia Ai Shengjun Zhang Jianbing Li National Key Laboratory of Science and Technology on Test Physics Beijing Institute of Space Long March Vehicle Beijing China
In this paper, a method of shielding the object behind a discrete metal wire array is proposed and verified by anechoic chamber experiments. Results show that if the metal wire array is dense enough (cell size is smal... 详细信息
来源: 评论
Verification of Seasonal Prediction by the Upgraded China Multi-Model Ensemble Prediction System (CMMEv2.0)
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Journal of Meteorological Research 2024年 第5期38卷 880-900页
作者: Jie WU Hong-Li REN Jianghua WAN Jingpeng LIU Jinqing ZUO Changzheng LIU Ying LIU Yu NIE Chongbo ZHAO Li GUO Bo LU Lijuan CHEN Qing BAO Jingzhi SU Lin WANG Jing-Jia LUO Xiaolong JIA Qingchen CHAO CMA Key Laboratory of Climate Prediction Studies National Climate CentreChina Meteorological Administration(CMA)Beijing 100081 Collaborative Innovation Center on Forecast and Evaluation of Meteorological Disasters Nanjing University of Information Science&TechnologyNanjing 210044 State Key Laboratory of Severe Weather and Institute of Tibetan Plateau Meteorology Chinese Academy of Meteorological SciencesChina Meteorological AdministrationBeijing 100081 State Key Laboratory of Numerical Modeling for Atmospheric Sciences and Geophysical Fluid Dynamics Institute of Atmospheric PhysicsChinese Academy of SciencesBeijing 100029 CMA Earth System Modeling and Prediction Centre China Meteorological AdministrationBeijing 100081
Based on a combination of six Chinese climate models and three international operational models,the China multimodel ensemble(CMME)prediction system has been upgraded into its version 2(CMMEv2.0)at the national Climat... 详细信息
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Modified k-ω model using kinematic vorticity for corner separation in compressor cascades
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science China(Technological sciences) 2016年 第5期59卷 795-806页
作者: LIU YangWei YAN Hao FANG Le LULiPeng LI QiuShi SHAO Liang National Key Laboratory of Science and Technology on Aero-Engine Aero-thermodynamics School of Energy and Power Engineering Beihang University Beijing 100191 China Collaborative Innovation Center of Advanced Aero-Engine Beihang University Beijing 100191 China Laboratory of Mathematics and Physics Ecole Centrale de Pekin Beihang University Beijing 100191 China Laboratoire de Mecanique ties Fluides et d'Acoustique Ecole Centrale de Lyon Ecullv 69134 France
A new method of modifying the conventional k-w turbulence model for comer separation is proposed in this paper. The production term in the w equation is modified using kinematic vorticity considering fluid rotation an... 详细信息
来源: 评论
Derivation of the thermal characteristics of mesoscale eddies
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Acta Oceanologica Sinica 2017年 第3期36卷 8-13页
作者: CHEN Xuan PAN Jing ZHENG Chongwei ZHANG Xi HE Ming The 75839 Army People's Liberation Army Guangzhou 510510 China National Key Laboratory of Numerical Modeling for Atmospheric Sciences and Geophysical Fluid Dynamics (LASG) Institute of Atmospheric Physics Chinese Academy of Sciences Beijing 100029 China Dalian Naval Academy People's Liberation Army Dalian 116018 China College of Meteorology and Oceanography People's Liberation Army University of Science and Technology Nanjing 211101 China College of Marine Life Science Ocean University of China Qingdao 266003 China
This study aims at explaining the relationship between thermodynamic characteristics and direction of rotation of mesoscale eddies(MEs). The geometric characteristics of the MEs are under the following assumptions:... 详细信息
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A Fast Design Method for Ultra Broadband Absorbers Using RC Equivalent Circuit Model
A Fast Design Method for Ultra Broadband Absorbers Using RC ...
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International Applied Computational Electromagnetics Society Symposium (ACES)
作者: Xianglin Kong Lei Zhao Fengjun Wang Shengjun Zhang Yixiang Fu Xiaoyu Pang Xiaochun Liu Xiaopeng Shen School of Information and Control Engineering China University of Mining and Technology Xu Zhou CA China National Key Laboratory of Science and Technology on Test Physics & Numerical Mathematical Beijing China Key Laboratory of Aeronautical Science and Technology for High Performance Electromagnetic Window Jinan China School of Materials and Physics China University of Mining and Technology Xuzhou China
An accuracy and efficient approach is proposed to fast design ultra-wideband microwave absorbers. The RC equivalent circuit model of absorbers is established according to impedance matching and transmission line theor... 详细信息
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Laser-sub-cycle two-dimensional electron-momentum mapping using orthogonal two-color fields
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Physical Review A 2014年 第6期90卷 061401(R)-061401(R)页
作者: Li Zhang Xinhua Xie Stefan Roither Daniil Kartashov YanLan Wang ChuanLiang Wang Markus Schöffler Dror Shafir Paul B. Corkum Andrius Baltuška Igor Ivanov Anatoli Kheifets XiaoJun Liu André Staudte Markus Kitzler Photonics Institute Vienna University of Technology 1040 Vienna Austria State Key Laboratory of Magnetic Resonance and Atomic and Molecular Physics Wuhan Institute of Physics and Mathematics Chinese Academy of Sciences Wuhan 430071 China Joint Laboratory for Attosecond Science of the National Research Council and the University of Ottawa 100 Sussex Drive Ottawa Ontario Canada K1A 0R6 Department of Physics of Complex Systems Weizmann Institute of Science Rehovot 76100 Israel Research School of Physical Sciences The Australian University Canberra ACT 0200 Australia
We study laser-sub-cycle control over electron trajectories concomitantly in space and time using orthogonally polarized two-color laser fields. We compare experimental photoelectron spectra of neon recorded by coinci... 详细信息
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Spectral–spatial attention fusion transformer for hyperspectral image classification
Spectral–spatial attention fusion transformer for hyperspec...
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IET International Radar Conference (IRC 2023)
作者: Xiangyu Ji Jingpeng Gao Geng Chen Lu Gao College of Information and Communication Engineering Harbin Engineering University Harbin People's Republic of China National Key Laboratory of Science and Technology on Test Physics and Numerical Mathematics Beijing Institute of Space Long March Vehicle Beijing People's Republic of China
In view of the limited generalization and poor local feature information modeling ability of vision transformer model(ViT) in hyperspectral image classification, a Spectral-Spatial Attention Fusion Transformer (SAFT) ...
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The Warm Arctic-Cold Eurasia Pattern and Its key Region in Winter in CMIP6 Model Simulations
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Advances in Atmospheric sciences 2023年 第12期40卷 2138-2153,I0002-I0006页
作者: Liang ZHAO Yunwen LIU Yihui DING Qingquan LI Wei DONG Xinyong SHEN Wei CHENG Haoxin YAO Ziniu XIAO State Key Laboratory of Numerical Modeling for Atmosphere Sciences and Geophysical Fluid Dynamics(LASG) Institute of Atmospheric PhysicsChinese Academy of SciencesBeijing 100029China Key Laboratory of Meteorological Disaster Ministry of Education/Joint International Research Laboratory of Climate and Environment Change/Collaborative Innovation Center on Forecast and Evaluation of Meteorological DisastersNanjing University of Information Science and TechnologyNanjing 210044China Neijiang Meteorological Bureau Neijiang 641000China China Meteorological Administration National Climate CenterBeijing 100081China Key Laboratory of Geoscience Big Data and Deep Resource of Zhejiang Province School of Earth SciencesZhejiang UniversityHangzhou 310058China Southern Marine Science and Engineering Guangdong Laboratory(Zhuhai) Zhuhai 519082China Beijing Institute of the Applied Meteorology Beijing 100029China
An enhanced Warm Arctic-Cold Eurasia(WACE)pattern has been a notable feature in recent winters of the Northern ***,divergent results between model and observational studies of the WACE still *** study evaluates the pe... 详细信息
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Electroextraction of neodymium from LiCl-KCl melt using binary liquid Ga-Al cathode
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Journal of Rare Earths 2023年 第8期41卷 1250-1257,I0005页
作者: Li Ding Xuepeng Wang Yongde Yan Valeri Smolenski Wenda Xu Alena Novoselova Yun Xue Fuqiu Ma Xingmei Zhang Key Laboratory of Superlight Materials and Surface Technology Ministry of EducationCollege of Materials Science and Chemical EngineeringHarbin Engineering UniversityHarbin 150001China Yantai Research Institute of Harbin Engineering University Yantai 264006China Institute of High-Temperature Electrochemistry UB RAS Ekaterinburg 620990Russia Department of Rare Metals and Nanomaterials Institute of Physics and TechnologyUral Federal UniversityEkaterinburg 620990Russia Yantai Standard Metrology Inspection&Test Center National Steam Flowrate Measurement StationYantai 264000China
The electrochemical behaviour of Nd(Ⅲ)ion was investigated on inert W,active Ga and Ga-AI *** is established that the reduction of Nd(Ⅲ)ion on the inert electrode is a consecutive two-step process while that on the ... 详细信息
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