| 构架式可展天线电性能研究 |
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| 引用本文： | 寿建军,徐彦,关富玲.构架式可展天线电性能研究[J].空间科学学报,2011,31(5):687-692. |
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| 作者姓名： | 寿建军 徐彦 关富玲 |
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| 作者单位： | 1.电联工程技术有限公司 杭州 310016 |
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| 摘 要： | 提出了一种构架单元式的展开桁架天线. 对构架式可展天线的电性能进行了研究, 以确定较优的设计参数和结构方案. 针对可展 反射面形态的具体特点, 基于几何光学原理, 推导了可展天线远场的电场强度公式, 将口径面划分成矩形网格, 用数值方法对远场场强进行积分, 得到天线反射面 的方向图. 进而编制相应程序, 用于分析不同设计参数的构架式天线反射面的电性能. 该方法直接将结构变形与天线电性能相联系, 避免了通过均方根换算带来的额外 误差, 使得设计更准确. 此方法同样适用于标准抛物面或者任何已知缺陷反射面的辐射场计算.
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| 关 键 词： | 构架式可展天线 电性能 方向图 参数优化 |
| 收稿时间： | 2011-01-23 |
Electro-magnetic Performance Research on Tetrahedron Truss Antenna |
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| SHOU Jianjun XU Yan GUAN Fuling.Electro-magnetic Performance Research on Tetrahedron Truss Antenna[J].Chinese Journal of Space Science,2011,31(5):687-692. |
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| Authors: | SHOU Jianjun XU Yan GUAN Fuling |
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| Institution: | 1.DY-Link Engineering & Technologies Company Limited, Hangzhou 3100162.Zhejiang Bada Construction Group Company Limited, Hangzhou 3100023.College of Civil Engineering and Architecture, Zhejiang University, Hangzhou 310058 |
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| Abstract: | Large deployablc truss antennas have extensive applications in communication satellites and space stations.This paper deals with a kind of deployable truss antenna that consists of tetrahedral modules.Electro-magnetic performance of tetrahedron truss deployable antenna is researched, to optimize design parameter and structure precept.According to the features of the deployablc reflector configuration and the geometry optical theory,the computing arithmetic of the electro-field intensity of the tetrahedron t... |
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| Keywords: | Tetrahedron truss antenna Electro-magnetic performance Far-field pattern Parameter optimize |
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