利用磁传感器阵列磁场差值的舰船磁场反演建模方法

doi:10.3969/j.issn.1000-1093.2022.01.012

摘要/Abstract

摘要： 为抑制地磁场变化、人工设施磁干扰等磁场环境噪声干扰的影响，提出一种利用磁传感器阵列磁场差值的舰船磁场反演建模方法。对于每个测量时刻分别给出磁传感器阵列中各个磁传感器间磁场差值的计算公式，采用三维舰船磁单极子阵列模型构建利用磁场差值进行舰船磁源反演的线性方程组，基于正则化技术求解得到舰船反演磁源模型。通过典型虚拟舰船磁场进行验证实验。结果表明：该建模方法能够消除相关性磁场环境噪声的干扰影响，实现在磁噪声环境中的舰船磁场高精度反演建模，验证了方法的有效性；使用新方法，不需要设置地磁参考传感器，相应设施的建设成本低、选址容易，为磁噪声环境中舰船磁场测量数据的高精度反演建模提供了新的技术选择。

关键词: 舰船磁场, 磁传感器阵列, 等效源法, 磁场差值

Abstract: A method of ship magnetic field inversion modeling utilizing the magnetic field difference of magnetic sensor array is proposed to suppress the influence of environmental noise in magnetic fields， such as geomagnetic field variation and magnetic interference of artificial facility，etc. The formulas for calculating the magnetic field difference between the magnetic sensors in the magnetic sensor array are given for each measurement time. The linear equations for inversing the magnetic source from a ship are constructed by using the three-dimensional ship magnetic monopole array model. Finally，the inversed values of the magnetic source model of ship is obtained by using the regularization technique. The magnetic fields of a typical virtual ship are used to verify the validity of the proposed method. The results show that the proposed method can remove the interference effects of coherent magnetic field noise， and achieve high-precision inversion modeling of the magnetic field of a ship in the magnetically noisy environment. The validity of the proposed method is verified. If the proposed method is used for high precision inversion modeling of ship's magnetic field measurement data in magnetically noisy environment， the geomagnetic reference sensors are not required， and the corresponding facilities are low cost and easy to locate.

Key words: shipmagneticfield, magneticsensorarray, equivalentsourcemethod, magneticfielddifferencevalue

中图分类号:

U665.18

郭成豹，胡松，王文井，殷琦琦. 利用磁传感器阵列磁场差值的舰船磁场反演建模方法[J]. 兵工学报, 2022, 43(1): 111-119.

GUO Chengbao， HU Song， WANG Wenjing， YIN Qiqi. Ship Magnetic Field Inversion Modeling Method Utilizing the Magnetic Field Difference between Magnetic Sensors[J]. Acta Armamentarii, 2022, 43(1): 111-119.

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第43卷第1期2022 年1月
兵工学报ACTA ARMAMENTARII
Vol.43No.1Jan.2022

[1]	郭成豹，周炜昶. 舰船消磁绕组磁特征数值计算与验证研究[J]. 兵工学报, 2017, 38(10): 1988-1994.
[2]	郭成豹，刘大明. 舰船磁特征磁矩量法的图形处理单元加速计算研究[J]. 兵工学报, 2014, 35(10): 1638-1643.
[3]	闫辉，肖昌汉，殷克全，郑永良. 递推算法在船舶磁场远场向近场换算中的应用[J]. 兵工学报, 2010, 31(9): 1200-1203.