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IMPEDANCE: 作品数：542被引量：667H指数：10; 导出分析报告; 相关作者：金明河黄剑斌谢宗武刘宏蒋再男更多>>; 相关机构：上海交通大学清华大学哈尔滨工业大学河南省人民医院更多>>; 相关期刊：更多>>; 相关基金：国家自然科学基金国家重点基础研究发展计划国家高技术研究发展计划中国博士后科学基金更多>>

A Microstrip Leaky-Wave Antenna with Scanning Beams Horizontal to the Antenna Plane: 《Chinese Journal of Electronics》2024年第5期1218-1223,共6页Henghui WANG Peiyao CHEN Sheng SUN; supported by the National Natural Science Foundation of China(Grant Nos.61971115 and 61721001);the Sichuan Science and Technology Program(Grant No.2023NSFSC0486).; A leaky-wave antenna with horizontal scanning beams and broadside radiation is presented on the periodically modulated microstrip.The horizontal radiation is realized by periodically etching a set of resonant open-end...; 关键词：Bloch impedance Horizontal radiation Leaky-wave antenna Microstrip line Seamless beam scanning.

Impedance-based Stability Criterion for the Stable Evaluation of Grid-connected Inverter Systems with Distributed Parameter Lines被引量：6: 《CSEE Journal of Power and Energy Systems》2023年第1期145-157,共13页Xianghua Peng Honggeng Yang; For a multi-inverter grid-connected system,the stability of the point of common coupling(PCC)voltage is evaluated considering the distribution parameters of the transmission lines.First,the systems on both sides of th...; 关键词：Distributed parameter line impedance-based approach impedance phase compensation multi-inverter grid connection PCC voltage model small-signal equivalent circuit

Fully printed origami thermoelectric generators for energy-harvesting被引量：3: 《npj Flexible Electronics》2021年第1期1-8,共8页Andres Georg Rösch AndréGall Silas Aslan Matthias Hecht Leonard Franke MdMofasser Mallick Lara Penth Daniel Bahro Daniel Friderich Uli Lemmer; funded by the Federal Ministry of Education and Research of Germany in the framework of PANAMAT(project number 03XP0161);the Ministry of Science,Research and Arts of the state of Baden Wurttemberg through the MERAGEM graduate school;supported by the German Federal Environmental Foundation(Deutsche Bundesstiftung Umwelt-DBU)through the DBU PhD scholarship program;This project has received funding from the European Union’s Horizon 2020 research and innovation program under grant agreement No 814945-SolBio-Rev.; Energy-harvesting from low-temperature environmental heat via thermoelectric generators(TEG)is a versatile and maintenancefree solution for large-scale waste heat recovery and supplying renewable energy to a growing n...; 关键词：ENERGY HARVESTING IMPEDANCE

Estimating zero-sequence impedance of three-terminal transmission line and Thevenin impedance using relay measurement data被引量：1: 《Protection and Control of Modern Power Systems》2018年第1期382-391,共10页Swagata Das Sundaravaradan Navalpakkam Ananthan Surya Santoso; Current and voltage waveforms recorded by intelligent electronic devices(IEDs)are more useful than just performing post-fault analysis.The objective of this paper is to present techniques to estimate the zero-sequence...; 关键词：Zero-sequence Three-terminal line Thevenin Impedance

A Very Compact Normal Mode Multiloop Helical Antenna with Enhanced Bandwidth: 《Open Journal of Antennas and Propagation》2016年第4期159-165,共7页Antonis A. Constantinides; The physical size of an antenna becomes an important characteristic when receiving signals in bands with long wavelengths. Size determines two important aspects of antenna performance;impedance and efficiency. For exa...; 关键词：Normal Mode Multiloop Helical Antenna Radio services IMPEDANCE BANDWIDTH GAIN

Theoretical analysis of the EAST 4-strap ion cyclotron range of frequency antenna with variational theory: 《Chinese Physics B》2016年第8期251-255,共5页张珈珲张新军赵燕平秦成明陈照杨磊王健华; supported by the National Magnetic Confinement Fusion Science Program,China(Grant No.2015GB101001);the National Natural Science Foundation of China(Grant Nos.11375236 and 11375235); A variational principle code which can calculate self-consistently currents on the conductors is used to assess the coupling characteristic of the EAST 4-strap ion cyclotron range of frequency（ICRF） antenna. Taking ...; 关键词：variational principle ICRF antenna IMPEDANCE

基于高阻抗表面的螺旋天线设计被引量：1: 《现代电子技术》2014年第5期77-79,82,共4页韩曹政唐晋生李睿; 利用高阻抗表面的同相反射特性，将其加载到阿基米德螺旋天线背腔的边缘区域，从而改善了天线增益，实现低剖面设计。仿真结果显示，与传统背腔式螺旋天线相比，增益稳定性显著提高。在3~12 GHz的工作频段内，驻波比小于2，阻抗匹配良...; 关键词：高阻抗表面阿基米德螺旋天线宽带低剖面圆极化 high IMPEDANCE surface(HIS)

Earth Return Impedance and Admittance of Overhead Line-Underground Cable Systems: 《Electricity》2013年第1期53-53,共1页Qi Lei Bai Shuhua Yuan Hui Cui Xiang; As China's economy continues to grow and energy demand continues to rise, the scale of power transmission lines and buried pipelines is expanding rapidly. The problems of over-voltage protection and electromagnetic co...; 关键词：架空线路电缆系统导纳阻抗地球过电压保护返回电磁兼容

Application of Excitation Function to the Prediction of RI Level Caused by Corona Discharge: 《Plasma Science and Technology》2012年第12期1091-1096,共6页ZHU Lingyu JI Shengchang HUI Sisi GUO Jun LI Yansong FU Chenzhao; supported by National High Technology Research and Development Program of China （No. 2008AA04Z408）; Radio interference （RI）, as an aftereffect of corona discharge, is an important research topic in the field of electromagnetic compatibility, where excitation function is applied broadly to the prediction of RI leve...; 关键词：radio interference excitation function modal propagation Ground-Return impedance

NUMERICAL SOLUTION OF THE SCATTERING PROBLEM FOR ACOUSTIC WAVES BY A TWO-SIDED CRACK IN 2-DIMENSIONAL SPACE被引量：1: 《Journal of Computational Mathematics》2011年第2期141-166,共26页Jijun Liu P.A. Krutitskii M. Sini; The authors would like to thank the referees for their valuable comments and suggestions which lead to an improved version of this paper. The work of the first author is supported by NSFC（No.10771033）. The first and second authors thank RICAM （Austrian Academy of Sciences） for the hospitality during the special semester on computational biology in 2007 in Linz. The third author is supported by the Austrian science foundation FWF via the project SFB F013/1308. The authors also want to thank Prof. Valentina Kolybasova and H.F.Zhao for their contributions in constructing Example 3.; The wave scattering problem by a crack F in R2 with impedance type boundary is considered. This problem models the diffraction of waves by thin two-sided cylindrical screens. A numerical method for solving the problem...; 关键词：Wave scattering Impedance boundary Integral equations Singularity analysis Numerics.

IMPEDANCE