国家自然科学基金(61171051)

作品数:15被引量:22H指数:3
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相关作者:张金玲吕英华万文钢温舒桦朱兴宇更多>>
相关机构:北京邮电大学学研究院中国科学院更多>>
相关期刊:《The Journal of China Universities of Posts and Telecommunications》《Chinese Journal of Electronics》《Science Bulletin》《物理学报》更多>>
相关主题:BASED_ON频率选择表面ELECTROMAGNETICDUAL-BANDDISPLAY更多>>
相关领域:电子电信交通运输工程机械工程自动化与计算机技术更多>>
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Second Harmonic Suppression for Broadband Helix Traveling-Wave Tubes Using the Phase Velocity Variation of Output Circuit
《Chinese Journal of Electronics》2016年第3期577-582,共6页ZHANG Jinling YANG Jinsheng ZHANG Hongxin 
supported by National Natural Science Foundation of China(No.61171051,No.60771060)
Based on the principle of phase velocity tapering or stepping output circuit, using the phase velocity variation of the output circuit, four kinds of nonuniform output circuit models have been presented in broadband h...
关键词:Backward wave suppression Fundamental efficiency Nonuniform circuits Second harmonic suppression Traveling-wave tube(TWT) 
Numerical simulation and experiment validation on lightning-induced effects of a special vehicle被引量:1
《The Journal of China Universities of Posts and Telecommunications》2016年第3期76-88,共13页Zhou Ping Lv Yinghua Tao Yong Xu Hongping 
supported by EMC & EMB Lab of Beijing University of Posts and Telecommunications and Beijing Institute of Astronautic System Engineering;the National Natural Science Foundation of China (61171051)
In recent years, with the development of the system integration technology, the outside integrative special vehicles, such as big oil tank, trucks loading with dangerous goods and so on, are becoming more and more imp...
关键词:special vehicle lighming-induced effects numerical simulation experiment validation 
基于频率选择面低雷达散射截面的波导天线设计被引量:3
《电波科学学报》2016年第2期243-246,共4页何恺 吕英华 张金玲 
国家自然科学基金(No.61171051)
设计了一种可以缩减波导缝隙天线带内雷达散射截面(Radar Cross Section,RCS)的频率选择表面(Frequency Selective Surface,FSS)结构.该结构采用人工磁导体(Artificial Magnetic Conductor,AMC)方环为基本单元,螺旋排布的方式组成FSS反...
关键词:雷达散射截面 波导缝隙天线 频率选择表面 
幅度固定唯相位实现波束控制的功分器设计
《电波科学学报》2016年第2期358-362,共5页吕英华 甘曦 张金玲 郑占旗 万文钢 温舒桦 
国家自然科学基金(No.61171051)
针对传统阵列天线设计流程中功分器繁琐的设计过程,基于满足-3 dB范围为0°~12°,-10dB波束宽度为65°,波束覆盖为65°,中心频率为9.05 GHz的余割平方扩展波束赋形要求,设计了一种幅度固定唯相位实现波束控制的新...
关键词:Gysel功分器 串馈结构 唯相位控制波束 固定幅度 
Simulation analysis on co-site interference of vehicular digital communication system based on IM prediction method by BER被引量:4
《The Journal of China Universities of Posts and Telecommunications》2016年第1期31-41,共11页Zhou Ping Lu Yinghua Tao Yong Xu Hongping 
supported by EMC&EMB Lab of Beijing University of Posts and Telecommunications and Beijing Institute of Astronautic System Engineering;the National Natural Science Foundation of China(61171051)
The co-site interference exists in kinds of communication systems, especially in digital communication systems, also is one of the biggest threats "in electromagnetic compatibility (EMC) designation of the systems....
关键词:vehicular digital communication system co-site interference EMC performance IM 
平面切换对信号传输特性影响的一种分析方法被引量:1
《电波科学学报》2015年第5期999-1003,共5页温舒桦 张金玲 吕英华 曹新宇 郑鑫 
国家自然科学基金(61171051);北京市自然科学基金;北京市教育委员会科技计划重点项目(KZ201310028032)
采用"场"、"路"结合的方法研究了多层印制电路板参考平面的切换对信号完整性的影响.分析了过孔转换结构中返回电流的路径,通过"场"的方法获得两参考平面间的瞬态阻抗.将过孔转换结构等效为二端口网络,推导了基于等效电路拓扑结构的S参...
关键词:多层印制电路板 过孔转换结构 二端口网络 S参数 信号完整性 
Electromagnetic side-channel attack based on PSO directed acyclic graph SVM被引量:3
《The Journal of China Universities of Posts and Telecommunications》2015年第5期10-15,共6页Li Duan Zhang Hongxin Li Qiang Zhao Xinjie He Pengfei 
supported by the National Natural Science Foundation of China(61571063,61202399,61171051)
Machine learning has a powerful potential for performing the template attack(TA) of cryptographic device. To improve the accuracy and time consuming of electromagnetic template attack(ETA), a multi-class directed acyc...
关键词:directed acyclic graph support vector machine(DAGS 
X波段微带余割平方扩展波束天线阵赋形优化遗传算法研究被引量:6
《物理学报》2015年第11期52-60,共9页张金玲 万文钢 郑占奇 甘曦 朱兴宇 
国家自然科学基金(批准号:61171051);北京市自然科学基金;北京市教育委员会科技计划重点项目(批准号:KZ201310028032)资助的课题~~
提出了一种改进型自适应遗传算法,该算法用logistic函数拟合交叉概率和变异概率,以赌轮盘选择和精英保留相结合的方式,在全局寻找最优解.与经典遗传算法相比,改进型自适应遗传算法可以大大提高算法的求解质量.本文基于改进的自适应遗传...
关键词:自适应遗传算法 余割平方扩展波束 X波段天线阵 
Analysis on the effectiveness of decoupling capacitor on mitigating radiated emission from power ground planes by BEM被引量:1
《The Journal of China Universities of Posts and Telecommunications》2015年第1期77-82,共6页Wen Shuhua Zhang Jinling Hu Yusheng 
supported by the National Natural Science Foundation of China (61171051)
The radiation emission (RE) of multilayer primed circuit board (PCB) will cause electromagnetic compatibility problem. An efficient numerical method for evaluating the effectiveness of decoupling capacitors in red...
关键词:printed circuit board radiation emission decoupling capacitors boundary-element method equivalent magnetic current 
Research of the terahertz dual-band notch filter based on FSS structures被引量:1
《Chinese Science Bulletin》2013年第36期4687-4691,共5页ZHANG JinLing ZHANG Yu GAO Ke ZHAO GuoZhong 
supported by the National Natural Science Foundation of China(61171051,50971094 and 61072136)
In this paper,a dual-band notch filter for two-layer frequency selective surface(FSS)at terahertz(THz)frequency with high filtering performance has been realized on high-resistivity silicon substrates.With periodic me...
关键词:陷波滤波器 太赫兹波 T形结构 双频段 FSS 太赫兹时域光谱 频率选择表面 谐振频率 
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