论述了PAS系统的结构及其基站、天线的应用特性，并对其系统中存在的缺陷提出了一些改进措施。
PAS is Personal Access System. This paper expounds the structure of PAS and antenna's applicative peculiarity, and puts forward some improvement measures.
文摘：本文针对某机载雷达天线座驱动元件液压马达的内漏进行分析，并对结构作相应改进。
Abstract: in this paper, the reasons for internal leakage of hydro - motor as driving component of antenna base for airborne radar are analyzed, and their structures are correspondingly improved.
本文针对某机载雷达天线座驱动元件液压马达的内漏进行分析，并对结构作相应改进。
In this paper, the reasons for internal leakage of hydro-motor as driving component of antenna base for airborne radar are analyzed, and their structures are correspondingly improved.
文摘：本文针对某机载雷达天线座驱动元件液压马达的内漏进行分析，并对结构作相应改进。
Abstract: in this paper, the reasons for internal leakage of hydro-motor as driving component of antenna base for airborne radar are analyzed, and their structures are correspondingly improved.
本文采用EBG结构对传统贴片天线进行了改进。
The enhancement of microstrip antenna performance using EBG structures is investigated in this paper.
以三角形振子天线为基础对天线结构进行改进，提出了一种新型三角形组合振子天线。
A novel triangle combined monopole antenna was proposed based on the improvement of triangle monopole antenna.
以三角形振子天线为基础对天线结构进行改进，提出了一种新型三角形组合振子天线。
A novel triangle combined monopole antenna was proposed based on the improvement of triangle monopole antenna.
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