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

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

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

  1. (Department of Weaponry Engineering, Naval University of Engineering, Wuhan 430033, Hubei, China)
  • Received:2014-02-18 Revised:2014-02-18 Online:2015-05-01
  • Contact: JIANG Run-xiang E-mail:jiang_runxiang@163.com

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

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