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Volume 26 Issue 2
 
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Article Navigation >  Journal of Unmanned Undersea Systems  > 2018  >  26(2): 152-156
LIU Hui. Magnetic Anomaly Calculation Model of Submarine Based on Induced Magnetic Field[J]. Journal of Unmanned Undersea Systems, 2018, 26(2): 152-156. doi: 10.11993/j.issn.2096-3920.2018.02.009
Citation: LIU Hui. Magnetic Anomaly Calculation Model of Submarine Based on Induced Magnetic Field[J]. Journal of Unmanned Undersea Systems, 2018, 26(2): 152-156. doi: 10.11993/j.issn.2096-3920.2018.02.009
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Magnetic Anomaly Calculation Model of Submarine Based on Induced Magnetic Field

doi: 10.11993/j.issn.2096-3920.2018.02.009

  • Kunming Shipborne Equipment and Test Center, China Shipbuilding Industry Corporation, Kunming 650051, China

  • Received Date: 2018-01-05
  • Rev Recd Date: 2018-02-01
  • Publish Date: 2018-05-08
    Abstract
  • The magnetic anomaly of a submarine caused by geomagnetic induction is an important evidence for modern airborne anti-submarine measure. It is of great significance to study the magnetic anomaly for submarine protection. In view of the present situation that there isn’t complete calculation model for submarine induced magnetic anomaly, this paper regards the induced magnetic moment of submarine as the superposition of three orthogonal magnetic dipole moments by means of magnet simulation. According to the magnetization law of the ellipsoid model of a submarine in outfield, the magnetic moment expression of a submarine is derived, and then, the computational formula of submarine magnetic anomaly is obtained. Further, the simulation is performed to achieve the induced magnetic anomaly strength distribution of a submarine at high attitude area, and the result conforms to the actual situation, which verifies the correctness of the proposed calculation model.

     

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