Research on Localization Method of Electric Dipole Sources in Parallel Layered Seas

DU Chu-yang; CHEN Cong; HUANG Gao-cong

doi:10.12263/DZXB.20200356

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Research on Localization Method of Electric Dipole Sources in Parallel Layered Seas

PAPERS | 更新时间：2025-12-08

- Research on Localization Method of Electric Dipole Sources in Parallel Layered Seas
- ACTA ELECTRONICA SINICA Vol. 49, Issue 9, Pages: 1761-1767(2021)
- 作者机构：
  
  1.海军工程大学基础部，湖北武汉 430033
  2.海军92326部队，广东湛江 524002
- 作者简介：
- 基金信息：
- DOI：10.12263/DZXB.20200356
  CLC： U665
- Received：13 April 2020，
  
  Revised：2020-11-25，
  
  Published：25 September 2021
- 稿件说明：
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杜初阳,陈聪,黄高聪.平行分层海域中电偶极子源的定位方法研究[J].电子学报,2021,49(09):1761-1767.

DU Chu-yang,CHEN Cong,HUANG Gao-cong.Research on Localization Method of Electric Dipole Sources in Parallel Layered Seas[J].ACTA ELECTRONICA SINICA,2021,49(09):1761-1767.
杜初阳,陈聪,黄高聪.平行分层海域中电偶极子源的定位方法研究[J].电子学报,2021,49(09):1761-1767. DOI： 10.12263/DZXB.20200356.

DU Chu-yang,CHEN Cong,HUANG Gao-cong.Research on Localization Method of Electric Dipole Sources in Parallel Layered Seas[J].ACTA ELECTRONICA SINICA,2021,49(09):1761-1767. DOI： 10.12263/DZXB.20200356.

摘要

针对平行分层海域中电偶极子源的定位问题，提出利用三个电场强度传感器同时确定场源位置、场源强度及分界面方位共9个参量的方法.首先借助镜像法及边界条件推导了三层平行分层海域中电偶极子源在海水中产生电场强度的矩阵表达式，引入场强传递矩阵，然后通过传递矩阵求逆的方法消除电偶极子源的偶极矩参数，得到以电偶极子源位置及分界面方位为未知量的非线性方程组，将待确定的9个未知参数减少为6个待拟合量，并通过拟合的方法得到电偶极子源位置和分界面方位的最优解.最后通过仿真算例检验所提方法的有效性.结果表明，该定位方法在一定条件下可以较精确地确定场源位置、分界面方位.该方法经适当完善还可以应用于鱼雷等水下航行器的制导过程.

Abstract

Aiming at the location of electric dipole sources in parallel layered seas

a method of using three electric field intensity sensors to simultaneously determine the field source position

electric dipole moment

and interface orientation is proposed. First

the matrix expressions of electric field strength generated by electric dipole sources in three layers of parallel and layered seas in seawater were derived by using the mirror method and boundary conditions. The field strength transfer matrix was introduced

and the electric dipoles were eliminated by the inversion of the transfer matrix. The parameters of the dipole moments of the sub-sources are used to obtain a set of nonlinear equations in which the position of the electric dipole source and the orientation of the interface are unknown. The 9 unknown parameters to be determined are reduced to 6 quantities to be fitted

and the optimal solution of the electric dipole source position and interface orientation is obtained through the fitting method. Finally

the validity of the proposed method is verified by simulation examples. The results show that the localization method can accurately determine the position of the field source and the orientation of the interface under certain conditions. The method can also be applied to torpedo guidance process after proper improvement.

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references

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