Application Study of Electromagnetic Band-gap Structures for Cylindrical Conformal Microstrip Antenna 锐截止式天线共用器EBG结构在圆柱共形微带天线中的应用
Study of Conformal Photonic Bandgap Structure Cylindrical Microstrip Antenna 共形PBG结构柱面微带天线的研究
Study on broadband moderately thick cylindrical antenna array with flat sheet reflector 宽频带粗振子平板反射器阵列天线技术研究
Analyze and Design of parabolic cylindrical antenna with feed for linear arrays 直线阵馈电抛物柱面天线的分析与设计
Calculation of the input impedances of cylindrical V-dipoles antenna 圆柱导体V型振子天线输入抗阻的计算
Design for Cylindrical Conformal Microstrip Antenna 圆柱共形微带天线的设计与研究
Analyses separately the design methods of cylindrical spiral antenna and conical one. Then, compares some parameters that can influence on the wideband characteristics of spiral antennas by simulation, and the design meets the antenna structure of ultra-wideband requirements. 分别论述了圆柱螺旋天线和圆锥螺旋天线的设计方法,通过仿真对影响螺旋天线宽带特性的参数进行了分析比较,设计了符合超宽带要求的天线结构。
Broadband Characteriatics of Capacitively Loaded Cylindrical Antenna in Dissipative Media 有损媒质中电容加载圆柱天线的宽带特性
This paper systematically analyzes the cylindrical gear reducer design often used for theodolite antenna pedestal with high dynamic demand in a large radar antenna and some common questions and their causes. 综合分析了大型雷达天线设备中,动态要求较高的经纬式天线座常用的圆柱齿轮减速箱的设计,以及易发生的一些问题和原因。
The characteristics of magnetic field and magnetic flux distribution and scattering field in the coaxial double-deck cylindrical magnetic substance is studied using the theory of electromagnetic field, and suggestions are made to improve the characteristics of normal helical antenna using theoretical analysis and numerical calculation. 根据电磁场理论,利用理论解析和数值计算的方法,分析了平面波入射时双层同轴圆柱形磁性体中的磁场、磁通分布及其散射场的特性,提出了改善法向模螺旋天线的建议。
Synthesis of Cylindrical Conformal Microstrip Antenna Array Based on GA 基于遗传算法的圆柱共形微带天线阵的综合
A general formula of the series impedance loading along a cylindrical wire antenna is derived for any given current on the antenna in this paper, and the relevant formula of the input impedance is obtained as well. 本文导出了在圆柱线天线上实现任意电流分布的一般连续阻抗加载公式,以及相应的输入阻抗表达式,并应用加载公式于特定的行波电流,得出了精确阻容加载公式。
The dissertation also introduced a cylindrical lens antenna structure which can produce fan-beam. 介绍了产生扇形波束的柱面透镜结构;
The effect of the delta-function generator on finite element calculations of current distributions on wire antennas is investigated by means of analysis of the current distribution on a cylindrical antenna. 本文以圆柱天线为计算对象,通过数值验证,分析研究δ-函数源对有限元计算线天线电流分布的影响。
The characteristics of the focused fields of a cylindrical Fresnel zone phase correcting antenna 菲涅尔区修正圆柱面天线的聚焦场特性
This term is necessary to evaluate the solely existing external surface current for the solid cylindrical antenna. 对于精确地求解存在于实芯圆柱天线外表面的电流分布时,该磁流项是必须考虑的。
A solid cylindrical antenna is analyzed by the Pocklington type integral equation including the magnetic current term in the excitation function. 使用在馈电函数中含有磁流项的Pocklington型积分方程式对实芯圆柱天线进行了分析。
Media's Influences on Current Distribution of Bare and Insulated Cylindrical Antenna in Conducting Media 导电媒质中圆柱天线电流分布及地电参数对绝缘天线特征量的影响
The designment of the impedance matching network is studied based on the principle of microstrip antenna array. The cylindrical microstrip antenna array with PBG structure is designed, which is compared with the conventional microstrip antenna array. 4. 依据微带贴片天线阵设计的基本原理,研究了阻抗匹配网络的设计方法,设计了共形PBG结构柱面微带天线阵,并和传统的微带天线阵作比较。
The effects of parasitic elements on the characters of elements in the cylindrical conformal array antenna ( CCAA) are studied; the array impedance, pattern, directivity and scanning performance are simulated. 对于圆柱共形阵天线,分析寄生单元对阵中单元的输入阻抗和方向图的影响;计算阵列的阻抗、方向图、方向系数和扫描特性。
The X-band cylindrical single microstrip patch antenna is designed and the influences of cylindrical curvature on the harmonic frequency of antenna are discussed. Then the application of PBG structures on the single microstrip antenna is presented in detail. 设计了X波段单贴片柱面微带天线,讨论了柱面曲率对天线谐振频率的影响,并将相对阻抗特性的共形PBG结构应用在柱面微带天线当中。