低频机械天线机理及其关键技术研究  

Research on mechanism and key technology of low-frequency mechanical antenna

作　　者：窦高奇[1] 王世宇 冯士民[1] 宋光明 付天晖[1] DOU Gaoqi;WANG Shiyu;FENG Shimin;SONG Guangming;FU Tianhui(College of Electronic Engineering,Naval Univ.of Engineering,Wuhan 430033,China;Unit No.91977,Beijing 100036,China;School of Aerospace Engineering,Tsinghua Univ.,Beijing 100084,China)

机构地区：[1]海军工程大学电子工程学院,武汉430033 [2]91977部队,北京100036 [3]清华大学航天航空学院,北京100084

出　　处：《海军工程大学学报》2024年第5期1-8,共8页Journal of Naval University of Engineering

基　　金：国家自然科学基金资助项目(61871473);海军工程大学自主立项基金资助项目(2023503090)。

摘　　要：依靠电荷或磁荷的机械运动产生电磁辐射的机械天线,因在资源勘探、对潜通信、水下通信和导航定位等领域具有极为广泛的应用前景,已成为通信、天线、材料、机械等领域的研究热点。独特的机械-电磁耦合激励方式,使得机械天线有望突破传统天线的物理尺寸限制,解决现有长波天线系统体积庞大、辐射效率低等问题,提高低频无线通信的灵活性和经济性。首先,介绍了机械天线的机械-电磁耦合机理,详细阐述了机械天线的分类、特性、研究方法和动态;然后,基于低频无线通信的现状,探讨了实现机械天线应用急需解决的关键问题与挑战;最后,介绍了该领域在提升磁电式机械天线灵活性和辐射能力等方面的关键技术进展。Mechanical antenna(MA),which depends on the mechanical motion of charge or magnetic charge to generate electromagnetic radiation,has become a research hotspot in communication,antenna,materials,machinery,and other fields because of its wide application prospects in resource exploration,submarine communication,underwater communication,and navigation and positioning.The unique mechanical-electromagnetic coupling excitation method was expected to render MA capable of breaking through the physical size limitations of traditional antennas,solve the problems of large vo-lume and low radiation efficiency of the existing long-wave antenna system,and improve the flexibility and economy of low-frequency wireless communication.Firstly,the mechanical-electromagnetic coupling mechanism of MA was introduced,and its classification,characteristics,research methods and dynamics were detailed.And then,based on the current situation of low-frequency wireless communication,the key problems and challenges that call for urgent solution for realizing the application of MA were discussed.Finally,the key technological advances in enhancing the flexibility and radiation capability of magnetoelectric antenna were introduced.

关 键 词：低频天线 机械天线 磁电天线 驱动控制 信息加载 

分 类 号：TN826[电子电信—信息与通信工程]