On Engineering Practices of Measuring Antenna Pattern by Use of the Near Field Focusing Method;
采用近场聚焦法测量雷达天线方向图的工程实践
Test of Antenna Pattern in Satellite In-orbit Test;
基于姿态偏置的卫星天线方向图在轨测试实现
In order to fit requests of testing multi-frequency and multi-channel active phased array radar antenna pattern,this paper presents a new far-field testing method based on high speed frequency agility and multi-channel parallel processing.
天线方向图是描述天线性能的重要参数,对于有源相控阵天线而言,其方向图的测试通常是一项复杂而又艰巨的工作。
The antenna radiation pattern and antenna coupling or isolation as well as near electric field strength are measured by using anechoic chamber as the test site of ship model prediction.
根据电磁缩尺模型理论,介绍电磁兼容性船模预测的理论和条件;推导了天线端感应电压、天线耦合度与缩尺比之间的关系;采用电波暗室作为船模预测的试验场地,进行天线方向图、天线耦合度(或隔离度)、近区场强等参数测试。
satellite antenna radiation patter
卫星天线辐射方向图
A Novel Approximation Algorithm for Calculating Three-Dimensional Radiation Patterns of Antennas;
天线三维辐射方向图的近似计算方法
side fire helical antenna
侧向辐射式螺旋形天线
omniguide antenna
全向辐射槽缝式天线
free-space radiation patter
自由空间辐射方向图
low-altitude dish
低辐射天线,低仰角天线
Effects of reflector errors and phase center errors of feed on the far-field pattern of reflector antennas
反射面表面与馈源误差对天线方向图的影响
Far field pattern numerical analysis of reflector antenna based on different grid forms
基于不同网格形式的反射面天线方向图分析
FEM/UPML Method for Radiation by Microstrip Antennas
微带天线辐射问题分析的FEM/UPML方法
Analysis of Method for Computing Smart Antenna’s Electromagnetic Radiation
TD-SCDMA智能天线电磁辐射计算方法分析
backscatter ultraviolet radiometer
后向散射紫外线辐射仪
The Radiation Properties for the Large Lateral-Feed Displacement in Cassegrain Antennas
卡塞格伦天线馈源横向大偏焦时辐射特性研究
Cavity-Backed Planar Antenna with Suppressed Radiation in Zenith Direction and Omni-Directional Radiation in Horizontal Direction
顶部抑制和水平面全向辐射的平面背腔天线
A Research on the Technology of ULF Transmimting Antenna and Equal-directional Power Radiant
超低频发信天线及其全向等功率辐射技术
isotropic radiator
各向同性辐射体;全方位辐射器;全向辐射器
Like other varieties of radiant energy, light radiates, that is, it spreads out from its source in straight lines.
光像其他辐射能一样辐射,就是说它从光源以直线的方式向外传播。
Analysis of Scattering Parameter,Far Field Primary and Crossing Polarizing Radiation Pattern of Three-dimensional Microstrip Patch Antenna by FDTD Method;
时域有限差分方法分析微带天线散射参数和方向图
A time-domain method of determining radiation centers of UWB antennas
一种测量超宽带天线辐射中心的时域方法