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检索条件"机构=National Key Laboratory of Science and Technology On Test Physics and Numerical Mathematics"
514 条 记 录,以下是71-80 订阅
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Design and Simulation of a Planar Printed Slot Array Antenna
Design and Simulation of a Planar Printed Slot Array Antenna
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2023 IEEE International Workshop on Electromagnetics: Applications and Student Innovation Competition, iWEM 2023
作者: Xiaofei, Shi Jiaxin, Shi Jiaqi, Liu Zhongyi, Fang Lei, Wang Lizhong, Song Shandong Institute of Space Electronic Technology Yantai264003 China Harbin Institute of Technology School of Electronics and Information Engineering Harbin150001 China Harbin Institute of Technology at Weihai School of Information Science and Engineering Weihai264209 China Beijing Institute of Space Long March Vehicle National Key Laboratory of Science and Technology on Test Physics & Numerical Mathematics Beijing100076 China Shandong Huayu Aerospace Technology Co. Ltd Yantai264003 China
This paper designs an array antenna with a planar printed structure. The antenna element adopts a rectangular slot antenna, and the antenna element is excited by a T-shaped feeding structure. The microstrip power dist... 详细信息
来源: 评论
Isotope-Shift Measurement of Bosonic Yb^(+)Ions
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Chinese physics Letters 2023年 第9期40卷 43-47页
作者: 乐虹伶 邵虎 陈正 方鹏程 曾孟彦 张宝林 黄垚 李冀光 陈群峰 管桦 高克林 State Key Laboratory of Magnetic Resonance and Atomic and Molecular Physics Innovation Academy of Precision Measurement Science and TechnologyChinese Academy of SciencesWuhan 430071China University of the Chinese Academy of Sciences Beijing 100049China Key Laboratory of Atomic Frequency Standards Innovation Academy of Precision Measurement Science and TechnologyChinese Academy of SciencesWuhan 430071China Institute of Applied Physics and Computational Mathematics Beijing 100088China Hefei National Research Center for Physical Sciences at the Microscale and School of Physical Sciences University of Science and Technology of ChinaHefei 230026China CAS Center for Excellence in Quantum Information and Quantum Physics University of Science and Technology of ChinaHefei 230026China Wuhan Institute of Quantum Technology Wuhan 430206China
We present a method that the atomic transition frequency measurement relies on the accurate wavemeter,optical frequency comb and stable Fabry–Pérot cavity to precise determination of stable even isotope shift on... 详细信息
来源: 评论
INTRA-PULSE MODULATION FEATURE ANALYSIS AND PARAMETER ESTIMATION OF PHASE AND FREQUENCY MULTI-MODULATION SIGNAL
INTRA-PULSE MODULATION FEATURE ANALYSIS AND PARAMETER ESTIMA...
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IET International Radar Conference 2023, IRC 2023
作者: Xue, Chenle Jiang, Zhiye Ren, Lixiang Fan, Huayu Liu, Quanhua Radar Research Lab School of Information and Electronics Beijing Institute of Technology Beijing100081 China Key Laboratory of Electronic and Information Technology in Satellite Navigation Beijing Institute of Technology Ministry of Education Beijing100081 China National Key Laboratory of Science and Technology on Test Physics and Numerical Mathematics Beijing Institute of Space Long March Vehicle Beijing100076 China Yangtze Delta Region Academy of Beijing Institute of Technology Jiaxing314019 China Chongqing Innovation Center Beijing Institute of Technology Chongqing401120 China
The parameter inversion of multi-modulation waveforms has always been a key and difficult problem in the field of electronic reconnaissance. To solve this problem, a method for intra-pulse modulation feature analysis ... 详细信息
来源: 评论
Scalings for the Alfvén-cyclotron instability in a bi-kappa plasma
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Earth and Planetary physics 2023年 第6期7卷 631-639页
作者: YueQun Lou Xing Cao MingYu Wu BinBin Ni TieLong Zhang Shenzhen Key Laboratory of Numerical Prediction for Space Storm Institute of Space Science and Applied TechnologyHarbin Institute of TechnologyShenzhen 518055China Key Laboratory of Solar Activity and Space Weather National Space Science CenterChinese Academy of SciencesBeijing 100190China Department of Space Physics School of Electronic InformationWuhan UniversityWuhan 430072China Chinese Academy of Sciences Center for Excellence in Comparative Planetology Hefei 230026China Space Research Institute Austrian Academy of SciencesGraz 8042Austria
The particle velocity distribution in space plasma usually exhibits a non-Maxwellian high-energy tail that can be well modeled by kappa *** this study,we focus on the growth rates of the Alfvén-cyclotron instabil... 详细信息
来源: 评论
1-bit Coding Metasurface for Wideband RCS Reduction
1-bit Coding Metasurface for Wideband RCS Reduction
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International Applied Computational Electromagnetics Society Symposium (ACES)
作者: Yinfang Xu Jiaqi Liu Lu Gao Xia Ai Zhongjie Zhang Huan Liang National Key Laboratory of Science and Technology on Test Physics & Numerical Mathematics Beijing Institute of Space Long March Vehicle Beijing China
This paper achieve efficient RCS reduction over a wide frequency range by exploiting the reflection properties of the coding metasurface. The metasurface consists of “0” cells and “1” cells, and the reflection pha... 详细信息
来源: 评论
Intelligent Assignment Strategy for Multi-Target Adversarial Interception
Intelligent Assignment Strategy for Multi-Target Adversarial...
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2022 Chinese Automation Congress, CAC 2022
作者: Yu, Yang Fang, Yizhong Wu, Han Han, Tuo Hu, Qinglei Beihang University School of Automation Science and Electrical Engineering Beijing100191 China Beijing Institute of Space Long March Vehicle National Key Laboratory of Science and Technology on Test Physics & Numerical Mathematics Beijing100076 China Beihang University School of Aeronautic Science and Engineering Beijing100191 China Hangzhou310023 China
The multi-missile confront multi-target is a classic target allocation issue in the combat scenario of multiple missiles intercepting multiple maneuvering targets. Traditional algorithms lack environmental assessment ... 详细信息
来源: 评论
Dual-Frequency Vortex Beam Generation Using Coding Metasurface
Dual-Frequency Vortex Beam Generation Using Coding Metasurfa...
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2022 International Applied Computational Electromagnetics Society Symposium, ACES-China 2022
作者: Li, Junfeng Kong, Xianglin Wang, Fengjun Miao, Zhuowei Wang, Xiaoyi Shen, Xiaopeng Zhang, Shengjun Zhao, Lei China University of Mining and Technology School of Information and Control Engineering Xuzhou China National Key Laboratory of Science and Technology on Test Physics & Numerical Mathematical Beijing China Polytechnique Montreal Department of Electrical Engineering MontrealQC Canada China University of Mining and Technology School of Materials Science and Physics Xuzhou China
This paper presents a dual-frequency coding metasurface (CM) for vortex beam generation. The metasurface unit cell is realized with two symmetric metal layers separated by a dielectric substrate. Each metal layer cons... 详细信息
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Perturbation Estimated Incremental Guidance for Exo-Atmospheric Interception
Perturbation Estimated Incremental Guidance for Exo-Atmosphe...
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2022 Chinese Automation Congress, CAC 2022
作者: Lu, Yuting Liu, Peng Han, Tuo Hu, Qinglei Beihang University School of Automation Science and Electrical Engineering Beijing100191 China Beijing Institute of Space Long March Vehicle National Key Laboratory of Science and Technology on Test Physics & Numerical Mathematics Beijing100076 China Beihang University School of Aeronautic Science and Engineering Beijing100191 China Hangzhou310023 China
In order to meet the requirement of accurate intercept against the increased target maneuverability and external disturbance, a second-order inertial delay based incremental guidance law (IDIASMG) is proposed for an e... 详细信息
来源: 评论
Computational uncertainty and optimal grid size and time step of the Lax-Friedrichs scheme for the 1D advection equation
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Atmospheric and Oceanic science Letters 2023年 第3期16卷 46-51页
作者: Jing Cao Jianping Li Yanjie Li College of Science Tianjin University of TechnologyTianjinChina Frontiers Science Center for Deep Ocean Multispheres and Earth System/Key Laboratory of Physical Oceanography/Academy of the Future Ocean/Innovation Center for Ocean Carbon Neutrality Ocean University of ChinaQingdaoChina Laboratory for Ocean Dynamics and Climate Pilot Qingdao National Laboratory for Marine Science and TechnologyQingdaoChina State Key Laboratoryof Numerical Modelingfor Atmospheric Sciences and GeophysicalFluid Dynamics Instituteof Atmospheric PhysicsChinese Academyof SciencesBejingChina
本文对于应用Lax-Friedrichs格式数值求解一维平流方程,研究数值求解过程中产生的截断误差与舍入误差,以及两种误差逐层向高时间层传播的累积,得到新的数值解总误差上界的理论近似公式,以及最优格距和最优时间步长的理论公式.通过数值... 详细信息
来源: 评论
Design of a Printed Monopole Array Antenna with the Simple Feeding Structure
Design of a Printed Monopole Array Antenna with the Simple F...
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2023 International Applied Computational Electromagnetics Society Symposium, ACES-China 2023
作者: Xiaofei, Shi Yizhuo, Liu Jiaqi, Liu Yizhong, Fang Zhiwei, Gao Lei, Wang Lizhong, Song Shandong Institute of Space Electronic Technology Yantai China School of Electronics and Information Engineering Harbin Institute of Technology Harbin150001 China School of Information Science and Engineering Harbin Institute of Technology at Weihai Weihai264209 China Beijing Institute of Space Long March Vehicle National Key Laboratory of Science and Technology on Test Physics & Numerical Mathematics Beijing100076 China School of Information Science and Technology Shijiazhuang Tiedao University Shijiazhuang050043 China Shandong Huayu Aerospace Technology Co.Ltd Yantai264003 China
This paper introduces an array antenna by use of printed monopole antennas as element. The designed array antenna consists of two layers of dielectric substrate and a metal reflective ground. The array antenna element... 详细信息
来源: 评论