基于点电荷模型的舰船静电场反演算法研究

doi:10.3969/j.issn.1000-1093.2015.03.024

兵工学报 ›› 2015, Vol. 36 ›› Issue (3): 545-551.doi: 10.3969/j.issn.1000-1093.2015.03.024

基于点电荷模型的舰船静电场反演算法研究

姜润翔，林春生，龚沈光

(海军工程大学兵器工程系，湖北武汉 430033)

收稿日期:2014-02-18 修回日期:2014-02-18 上线日期:2015-05-01
作者简介:姜润翔（1982—），男，博士研究生
基金资助:
国家自然科学基金项目（51109215）

Electrostatic Electric Field Inversion Method for Ship Based on Point Charge Source Model

JIANG Run-xiang， LIN Chun-sheng， GONG Shen-guang

(Department of Weaponry Engineering, Naval University of Engineering, Wuhan 430033, Hubei, China)

Received:2014-02-18 Revised:2014-02-18 Online:2015-05-01

摘要/Abstract

摘要： 针对舰船静电场反演问题，提出一种基于点电荷模型的静电场反演方法。在利用舰船静电场先验信息对场源的粗略位置进行设定的基础上，利用泰勒展开式的收敛半径对场源的个数和位置进行计算，结合3层介质下点电荷电场的计算公式，建立等效场源系统的线性方程组，并通过对线性方程组的求解达到计算等效点电荷强度和舰船偶极矩的目的，利用实测数据对所提方法的有效性进行检验。研究结果表明：该算法由水深8 m的测量数据向水深22.5 m进行反演时，换算精度较高，误差值小于4%.

关键词: 信息处理技术, 舰船静电场, 点电荷, 反演, 电多极矩, 电偶极子

Abstract: For the issue of ship electrostatic field inversion, a method is proposed based on the point charge source. The position of equivalent point charge is set by the priori information. The number and accurate location of equivalent sources are calculated by using the Taylor expansion radius of convergence, and the linear equations for calculating the equivalent point source and the ship's equivalent electric moment are established. The effectiveness of the method is verified by the real data. The results show that the algorithm is high precision with the total error of less than 4%.

Key words: information processing technology, ship electrostatic field, point charge source, inversion, electric multi-pole moment, electric dipole

中图分类号:

O411.1

姜润翔，林春生，龚沈光. 基于点电荷模型的舰船静电场反演算法研究[J]. 兵工学报, 2015, 36(3): 545-551.

JIANG Run-xiang， LIN Chun-sheng， GONG Shen-guang. Electrostatic Electric Field Inversion Method for Ship Based on Point Charge Source Model[J]. Acta Armamentarii, 2015, 36(3): 545-551.

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基于点电荷模型的舰船静电场反演算法研究

Electrostatic Electric Field Inversion Method for Ship Based on Point Charge Source Model

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