摘要
三分量测磁仪使用不便,且造价较高,因此提出一种改进的磁场推算法.该法仅用舰船下方某平面上少量测量点的垂向磁场即可算出测量面下方所需场点的舰船三分量磁场.从理论上证明了该方法的可行性,建立了磁场推算的数学模型,在此基础上进行了船模实验.实验证明该算法可行,具有较高的推算精度,且算法直观,编程简单,计算速度快,可以方便地应用于工程实际,对舰船磁防护的研究具有重要价值.
It is usually necessary to use a great number of three-component magnetometers to measure the magnetic fields of vessels. Any method that simplifies this process would allow considerable savings in money and effort. To this end, an improved method is proposed to calculate the three-component vectorial fields of vessels based on data from the vertical magnetic field of the vessels, measured by a few magnetometers on a plane at the bottom of the ship. The method is shown to be theoretically feasible, then the mathematical model established. The proposal was tested and showed good agreement with results calculated in the traditional way.
出处
《哈尔滨工程大学学报》
EI
CAS
CSCD
北大核心
2008年第2期111-114,共4页
Journal of Harbin Engineering University
基金
国家海洋专项基金资助项目(420050101)
关键词
舰船磁防护
三分量测磁仪
单分量测磁仪
磁场推算
magnetic protection of vessels
three-component magnetometer
uniaxial magnetometers
magnetic field calculation
