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检索条件"机构=National Key Laboratory of Science and Technology on Test Physics&Numerical Mathematics"
248 条 记 录,以下是111-120 订阅
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Ellipse Fitting Based on Neural Network Optimization  41
Ellipse Fitting Based on Neural Network Optimization
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第41届中国控制会议
作者: Chenrong Long Peng Liu Qinglei Hu School of Automation Science and Electrical Engineering Beihang University National Key Laboratory of Science and Technology on Test Physics & Numerical Mathematics Beijing Institute of Space Long March Vehicle School of Automation Science and Electrical Engineering Beihang UniversityBeijing 100191China.
Ellipse fitting is to estimate the parameters of the ellipse from a set of coplanar points,but the geometric distance from the plane point to the elliptic curve is difficult to calculate *** paper proposes a neural ne... 详细信息
来源: 评论
A Dual-Band Multilayer Heterogeneous Frequency Selective Surface with Miniaturized Unit Cell
A Dual-Band Multilayer Heterogeneous Frequency Selective Sur...
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2018 IEEE International Conference on Computational Electromagnetics, ICCEM 2018
作者: Cui, Yichun Zhang, Shengjun Liu, Jiaqi Liu, Xin Xue, Hui Zhang, Borong National Key Laboratory of Science and Technology on Test Physics and Numerical Mathematics Beijing100076 China Beijing Institute of System Engineering Beijing China Beijing Institute of Astronauctical Systems Engineering Beijing100076 China
In terms that most researches about Frequency Selective Surface (FSS) concentrate on single layer structure design or FSS with one fundamental mode, a multilayer heterogeneous dual-band frequency selective surface com... 详细信息
来源: 评论
Design of W-band Sheet Beam EIK
Design of W-band Sheet Beam EIK
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Asia-Pacific Conference on Microwave
作者: Shuyuan Chen Jinliang Bai Ran Zhang Pei Zheng Jiaqi Liu Xin Liu Hongyan Liu Lu Gao National Key Laboratory of Science and Technology on Test Physics and Numerical Mathematics Beijing China
Microwave tube is a vacuum electron device which can be used for amplification in the microwave frequency range. Sheet beam Extended Interaction Klystron (EIK) is an attractive Millimeter Waves amplifier because of it... 详细信息
来源: 评论
Near-field Measurement Method for Electromagnetic Scattering of Electrically Large-scale Plasma
Near-field Measurement Method for Electromagnetic Scattering...
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International Applied Computational Electromagnetics Society Symposium (ACES)
作者: Jiaqi Liu Lu Gao Runhui Wu Xia Ai Song Chai Xin Liu Shengjun Zhang Yichun Cui National Key Laboratory of Science and Technology on Test Physics & Numerical Mathematics Beijing China
In the near-field test environment of 01500×3300mm vacuum vessel with low electromagnetic scattering, the relative measurement method is used, that is, the results of electrically large-scale plasma radar cross s... 详细信息
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A New Criterion For Optimization Of Total Variation Denoising
A New Criterion For Optimization Of Total Variation Denoisin...
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International Applied Computational Electromagnetics Society Symposium (ACES)
作者: Feng Xue Xia Ai Lu Gao Jiaqi Liu National Key Laboratory of Science and Technology on Test Physics and Numerical Mathematics Beijing China
Based on Chambolle’s algorithm, we develop a data-driven optimization scheme based on minimization of Stein’s unbiased risk estimate (SURE)—statistically equivalent to mean squared error (MSE). We propose a recursi... 详细信息
来源: 评论
UAV Track Planning Algorithm Based on Graph Attention Network and Deep Q Network  11th
UAV Track Planning Algorithm Based on Graph Attention Networ...
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11th International Conference on Image and Graphics, ICIG 2021
作者: Hu, Xinyu Gao, Jingpeng Jiang, Zhiye College of Information and Communication Engineering Harbin Engineering University Harbin China National Key Laboratory of Science and Technology on Test Physics and Numerical Mathematics Beijing Institute of Space Long March Vehicle Beijing China
To solve the problem that the deviation of the Unmanned Aerial Vehicle (UAV) flight status data collected by the equipment during flight leads to the failure of the mission, this paper proposes a UAV track planning al... 详细信息
来源: 评论
Attitude maneuver path optimization for small scale spacescraft
Attitude maneuver path optimization for small scale spacescr...
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International Symposium on Applied Machine Intelligence and Informatics (SAMI)
作者: Runle Du Jiaqi Liu Yonghai Wang Test Physics and Numerical Mathematics National Key Laboratory of Science and Technology Beijing China
During its flight, Spacecrafts need to maneuver its attitude across a number of predefined positions. The order to traverse these attitudes is a combinational optimization problem. In this article, fuel cost is estima... 详细信息
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SPECTRAL-SPATIAL ATTENTION FUSION TRANSFORMER FOR HYPERSPECTRAL IMAGE CLASSIFICATION
SPECTRAL-SPATIAL ATTENTION FUSION TRANSFORMER FOR HYPERSPECT...
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IET International Radar Conference 2023, IRC 2023
作者: Ji, Xiangyu Gao, Jingpeng Chen, Geng Gao, Lu College of Information and Communication Engineering Harbin Engineering University Harbin China National Key Laboratory of Science and Technology on Test Physics and Numerical Mathematics Beijing Institute of Space Long March Vehicle Beijing 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) ... 详细信息
来源: 评论
Guidance law recognition of target pursuing vehicle
Guidance law recognition of target pursuing vehicle
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IEEE Metrology for Aerospace
作者: Runle Du Jiaqi Liu Zhifeng Li Zhenhong Niu National Key Laboratory of Science and Technology on Test Physics and Numerical Mathematics Beijing China
Research on guidance law has begun to incorporate behavior information from non-cooperative target, and thus emphasized the importance and necessity of guidance law recognition. Recognition of guidance law on non-coop... 详细信息
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Effective Observing Area based evaluating method for formation design
Effective Observing Area based evaluating method for formati...
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IEEE AESS European Conference on Satellite Telecommunications (ESTEL)
作者: Runle Du Jiaqi Liu Yonghai Wang Yizhong Fang Gang Meng National Key Laboratory of Science and Technology on Test Physics and Numerical Mathematics Beijing China
When multiple flying vehicles collaborate in locating a target, their formation design is an important factor to the error of location. Based on the analyses of contribution that formation design made to the location ... 详细信息
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