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基于驻极体材料的机械天线式低频通信系统仿真研究

崔勇 王琛 宋晓 梁博文

崔勇, 王琛, 宋晓, 梁博文. 基于驻极体材料的机械天线式低频通信系统仿真研究. 自动化学报, 2020, 45(x): 1−8 doi: 10.16383/j.aas.c190678
引用本文: 崔勇, 王琛, 宋晓, 梁博文. 基于驻极体材料的机械天线式低频通信系统仿真研究. 自动化学报, 2020, 45(x): 1−8 doi: 10.16383/j.aas.c190678
Cui Yong, Wang Chen, Song Xiao, Liang Bo-Wen. Simulation and analysis of mechanical antenna low frequency communication system based on electret material. Acta Automatica Sinica, 2020, 45(x): 1−8 doi: 10.16383/j.aas.c190678
Citation: Cui Yong, Wang Chen, Song Xiao, Liang Bo-Wen. Simulation and analysis of mechanical antenna low frequency communication system based on electret material. Acta Automatica Sinica, 2020, 45(x): 1−8 doi: 10.16383/j.aas.c190678

基于驻极体材料的机械天线式低频通信系统仿真研究

doi: 10.16383/j.aas.c190678
基金项目: “十三五”军委装备发展预研领域基金(61405180302, 低频/甚低频导航信号发射天线小型化技术)、国家自然科学基金(51707006)、北京市自然科学基金(4192033)
详细信息
    作者简介:

    崔勇:北京航空航天大学自动化与电气工程学院副教授, 主要研究方向为电磁场和微纳传感.E-mail: cuiyong@buaa.edu.cn

    王琛:北京航空航天大学自动化与电气工程学院硕士研究生, 主要研究方向电磁场测量和仿真建模.E-mail: sy1703208@buaa.edu.cn

    宋晓:北京航空航天大学自动化学院副教授, 主要研究方向为深度学习、知识图谱、建模与仿真技术. 本文通讯作者.E-mail: songxiao@buaa.edu.cn

    梁博文:北京航空航天大学自动化与电气工程学院本科生, 主要研究方向电磁场和仿真建模.E-mail: liangbowen@buaa.edu.cn

  • 中图分类号: TN822+.1

Simulation and Analysis of Mechanical Antenna Low Frequency Communication System Based on Electret Material

Funds: "13th five year plan" Military Commission equipment development pre research field Fund (61405180302, LF/VLF navigation signal transmitting antenna miniaturization technology), National Natural Science Foundation (51707006), Beijing Natural Science Foundation (4192033)
  • 摘要: 在海洋信息网络体系日益重要的现在, 水下航行器越来越得到世界各国的重视, 无论是在民用还是在军用上, 都扮演着重要的角色. 与水下航行器的通信主要采用的是能以较小的损耗深入海水的低频通信技术, 而目前已有的低频通信系统发射台规模庞大, 天线占地广、天线暴露、目标明显、战时生存能力差, 极易被摧毁且难于短期修复, 且所需功耗巨大. 鉴于此, 本文提出了一种基于复合聚合物驻极体纳米材料的机械天线式低频通信方法, 从理论上研究了其产生的低频通信信号及计算公式, 定量分析了其在正常工作时的功率损耗和在不同介质中的衰减, 且在有限元分析软件中建立了相关模型进行仿真研究, 并通过理论解析模型和多物理场有限元模型的双重仿真结果的一致性, 以及仿真计算结果与机械天线样机的实测结果的对比, 验证了所提方法的可行性.
  • 图  1  驻极体式机械天线结构示意图

    Fig.  1  Schematic diagram of electret mechanical antenna structure

    图  2  磁场计算示意图

    Fig.  2  Schematic diagram of magnetic field calculation

    图  3  海水中不同频率电磁波传播示意图

    Fig.  3  Schematic diagram of electromagnetic wave propagation at different frequencies in seawater

    图  4  各参数对克服摩擦阻力所消耗功率的影响

    Fig.  4  The influence of various parameters on the power consumption to overcome friction resistance

    图  5  机械天线三维模型网格剖分图

    Fig.  5  Mesh generation of three-dimensional model of mechanical antenna

    图  6  有限元模型与理论解析模型的结果对比图

    Fig.  6  Comparisons of results between finite element model and theoretical analytical model

    图  7  机械天线不同介质传播效果图

    Fig.  7  The propagation of different media of mechanical antenna

    图  8  两种机械天线仿真结果比较图

    Fig.  8  Comparison of simulation results of two kinds of mechanical antennas

    图  9  样机测试平台整体思路图

    Fig.  9  Overall idea of prototype test platform

    图  10  实测数据与仿真结果比较图

    Fig.  10  Comparison diagram of measured data and simulation results

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出版历程
  • 收稿日期:  2019-09-25
  • 录用日期:  2019-12-15
  • 网络出版日期:  2020-01-17

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