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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121-130 订阅
排序:
Dual-Frequency Vortex Beam Generation Using Coding Metasurface
Dual-Frequency Vortex Beam Generation Using Coding Metasurfa...
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International Applied Computational Electromagnetics Society Symposium (ACES)
作者: Junfeng Li Xianglin Kong Fengjun Wang Zhuowei Miao Xiaoyi Wang Xiaopeng Shen Shengjun Zhang Lei Zhao School of Information and Control Engineering China University of Mining and Technology Xuzhou China National Key Laboratory of Science and Technology on Test Physics & Numerical Mathematical Beijing China School of Information Science and Engineering Southeast University Nanjing China Department of Electrical Engineering Polytechnique Montreal Montreal Quebec Canada School of Materials Science and Physics China University of Mining and Technology 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
来源: 评论
Research on dual-polarisation printed dipole antenna for spherical near-field measurements
Research on dual-polarisation printed dipole antenna for sph...
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IET International Radar Conference 2018, IRC 2018
作者: Zheng, Pei Liu, JiaQi Wang, ShangYue Zhang, Ran Fan, Hu National Key Laboratory of Science and Technology on Test Physics and Numerical Mathematics Beijing China
Here a dual-polarisation printed dipole antenna for spherical near-field measurements is proposed. The printed dipole employs double-layered structure to obtain low cross-polarisation and uses irregular patch to get w... 详细信息
来源: 评论
Research on near-field focusing algorithm of reconfigurable reflect-array
Research on near-field focusing algorithm of reconfigurable ...
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IET International Radar Conference 2018, IRC 2018
作者: Liu, Hong Yan Zheng, Pei Wang, Chao Guo, Lei Zhang, Xin Yu National Key Laboratory of Science and Technology on Test Physics and Numerical Mathematics Beijing China
In this study, the near-field beam focusing algorithm of reconfigurable reflect array for security imaging application is proposed. The proposed near-field focusing algorithm is based on classic array method, which is... 详细信息
来源: 评论
An Ultra Wideband FSS Operating at Ka Band  5
An Ultra Wideband FSS Operating at Ka Band
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5th IEEE International Conference on Computational Electromagnetics, ICCEM 2019
作者: Xu, Yinfang Zhang, Shengjun National Key Laboratory of Science and Technology on Test Physics and Numerical Mathematics Beijing Institute of Space Long March Vehicle Beijing China
An Ultra Wideband frequency selective surface (FSS) with forth-order bandpass responses operating at Ka band is proposed in the paper. To improve the performance of the FSS especially in angular stability, the couplin... 详细信息
来源: 评论
An Improved Adaptive Pulse Compression Algorithm Based on Linear Frequency Modulation Signal
An Improved Adaptive Pulse Compression Algorithm Based on Li...
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2019 IEEE International Conference on Signal, Information and Data Processing, ICSIDP 2019
作者: Bai, Jinliang Qin, Peng Li, Hu Zhang, Ran Zhang, Xinyu National Key Laboratory of Science and Technology on Test Physics and Numerical Mathematics Beijing Institute of Space Long March Vehicle Beijing China
In this paper, the radar signal is optimized based on the pulse compression repair (PCR) algorithm, which mainly reduces the computational amount to makes it more advantageous to achieve. The main idea is to implement... 详细信息
来源: 评论
Adaptive feed-forward control for seeker based on the disturbance observer  4
Adaptive feed-forward control for seeker based on the distur...
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4th IEEE Advanced Information technology, Electronic and Automation Control Conference, IAEAC 2019
作者: Liu, Xin Niu, Zhenhong Shu, Yi Xue, Lian Zhu, Mingchao National Key Laboratory of Science and Technology on Test Physics Numerical Mathematics China Chinese Academy of Sciences Changchun Institute of Optics Mechanics and Physics China
In order to improve the tracking and stabilization performance, a control method combining disturbance observer and adaptive feed-forward control using parameterization is proposed for seeker stabilized platforms. The... 详细信息
来源: 评论
Impact analysis of CFAR detection for false targets generated by the phase-switched screen
Impact analysis of CFAR detection for false targets generate...
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2019 IEEE International Conference on Signal, Information and Data Processing, ICSIDP 2019
作者: Zheng, Ran Chen, Yuan S Zhang, Yu X Guo, Lei Bai, Liang J Zhang, Ping L Zhang, Ran 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 Science and Technology on Test Physics and Numerical Mathematics Beijing Institute of Space Long March Vehicle No. 1 Nanda Hongmen Road of Fengtai District Beijing China
The phase-switched screen (PSS) has been proved effective in the application of shielding a target or deceiving the radar system when the modulation frequency of it is set greater or smaller than the signal bandwidth.... 详细信息
来源: 评论
A Direct Position Determination Method for Four-station TDOA Location System
A Direct Position Determination Method for Four-station TDOA...
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2019 IEEE International Conference on Signal, Information and Data Processing, ICSIDP 2019
作者: Qi, Sun-Rui Yuan, Chen-Shun Liang, Bai-Jin Gao-Lu Li-Hu Sun-Heng BEIJING INSTITUTE of SPACE LONG MARCH VEHICLE National Key Laboratory of Science and Technology on Test Physics and Numerical Mathematics Beijing100076 China
Aiming at the four-station networked TDOA (Time Difference of Arrival) localization system, a direct location method based on electronic elevation map search is proposed, the Geometric Dilution Precision (GDOP) is der... 详细信息
来源: 评论
Design of Non-uniform Flexible Meta-surface for Antenna Beam-steering
Design of Non-uniform Flexible Meta-surface for Antenna Beam...
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IEEE International Conference on Electronic Information and Communication technology (ICEICT)
作者: Yuwei Qiu Zhiye Jiang Pei Zheng School of Electronic Information Northwestern Polytechnical University Xi'an China National Key Laboratory of Science and Technology on Test Physics & Numerical Mathematics Beijing China
Design of non-uniform flexible meta-surface for antenna beam-steering is presented in this paper. By properly tuning the dimensions of quasi-I-shaped unit cells on meta-surface, we propose a bi-layer meta-surface that... 详细信息
来源: 评论
A Physical Layer key Generation method with Reliable Negotiation
A Physical Layer Key Generation method with Reliable Negotia...
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2019 IEEE International Conference on Signal, Information and Data Processing, ICSIDP 2019
作者: Wang, Yuchen Wu, Xuanli Xu, Zhicong Wu, Wei Li, Hu Zhang, Ran School of Electronics and Information Engineering Harbin Institude of Technology Harbin China National Key Laboratory of Science and Technology on Test Physics and Numerical Mathematics Beijing China
There is a risk of information leakage in the process of wireless communication. The introduction of key generation in the physical layer can effectively improve the security of wireless communication. This paper prop... 详细信息
来源: 评论