College Physics ›› 2021, Vol. 40 ›› Issue (6): 48-.doi: 10.16854 / j.cnki.1000-0712.200341
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GUO Cheng-bao,HU Song,WANG Wen-jing,YIN Qi-qi
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Abstract: The decomposition of ship induced magnetism and magnetic fields in oblique
courses is a difficult point in ship magnetic field analysis. The method based on the special
situation of the magnetic signature at the typi- cal measurement points under the keel of ship can
solve this problem easily and clearly. According to the magnetic field measurements in two
headings of 180° difference,the sum of the longitudinal and the transverse magnetism of the ship
can be separated. At the typical measurement points under the keel of a ship,the longitudinal and
vertical components of the magnetic fields of the sum of the longitudinal and the transverse
magnetism of the ship come from the longitudinal induced magnetism,and the transverse component of
the magnetic fields comes from the transverse induced magnetism. Finally,the decomposition of ship
induced magnetism and magnetic fields in oblique courses is realized.
Key words: decomposition of ship magnetism, decomposition of ship magnetic fields, oblique course
GUO Cheng-bao, HU Song, WANG Wen-jing, YIN Qi-qi. Discussion on the decomposition of ship induced magnetism and magnetic fields in oblique courses[J].College Physics, 2021, 40(6): 48-.
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URL: https://dxwl.bnu.edu.cn/EN/10.16854 / j.cnki.1000-0712.200341
https://dxwl.bnu.edu.cn/EN/Y2021/V40/I6/48
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