基于软质放电管的等离子体线型天线  

Plasma Linear Antenna Based on Soft Discharge Tube

作　　者：陈鹏旭 申士楠 孙雨 赵建森[1] 齐婷婷 CHEN Peng-xu;SHEN Shi-nan;SUN Yu;ZHAO Jian-sen;QI Ting-ting(Merchant Marine College,Shanghai Maritime University,Shanghai 201306,China)

机构地区：[1]上海海事大学商船学院,上海201306

出　　处：《微波学报》2020年第5期56-60,65,共6页Journal of Microwaves

基　　金：国家重点研发计划(2019YFB1600605);国家自然科学基金青年基金(51709167,61701299);科委社会发展领域重大项目(18DZ1206300);全国大学生创新创业训练项目(S20190105)。

摘　　要：用等离子体代替金属制作天线进行信号发射与接收,其应用范围十分广泛,但常规等离子体天线采用硬质玻璃管或石英管构建,易受损且难以改变形状。文中提出采用常用软质真空管结合气体放电,激励电源、馈电、屏蔽、耦合装置等构建等离子体线天线。改变放电功率和天线形状,可使天线的通信频带范围从100 MHz调节到300 MHz,3 dB增益带宽最大达100 MHz以上,与相同形状的常规等离子体天线相比,性能相差不大。同时,该天线不仅可以实现阻抗、方向性的动态重构,也能够满足左旋圆极化、右旋圆极化转化的需求。该研究可以为实现与优化可重构等离子体天线、以及在航空、航海等军民融合领域的应用做参考。It is widely used to transmit and receive signals by using plasma instead of metal antenna.However,ordinary plasma antenna constructed by hard glass tube or quartz tube is easy to be damaged and difficult to change its shape.Therefore,this paper proposes a plasma wire antenna,which is made of a certain thickness of flexible high-pressure and high-temperature resistant material into a gas discharge tube,combined with the gas discharge excitation power supply,feeding,shielding,coupling device and so on.By changing the discharge power and the shape of the antenna,the communication frequency range of the antenna can be adjusted from 100 MHz to 300 MHz,and the maximum gain bandwidth of 3 dB can be over 100 MHz.At the same time,the antenna can not only realize the dynamic reconstruction of impedance and directivity,but also meet the needs of the transformation of left-handed circular polarization(LHCP)and right-handed circular polarization(RHCP).It can be used as a reference for the realization and optimization of the reconfigurable plasma antenna and its application in aviation,navigation and other civil military integration fields.

关 键 词：等离子体 软质放电管 重构天线 气体放电 

分 类 号：TN820[电子电信—信息与通信工程]