中国物理B ›› 2018, Vol. 27 ›› Issue (6): 60703-060703.doi: 10.1088/1674-1056/27/6/060703

• GENERAL • 上一篇    下一篇

Baseline optimization for scalar magnetometer array and its application in magnetic target localization

Li-Ming Fan(樊黎明), Quan Zheng(郑权), Xi-Yuan Kang(康曦元), Xiao-Jun Zhang(张晓峻), Chong Kang(康崇)   

  1. 1 College of Science, Harbin Engineering University, Harbin 150001, China;
    2 College of Mechanical and Electrical Engineering, Harbin Engineering University, Harbin 150001, China;
    3 College of Computer Science and Technology, Harbin Engineering University, Harbin 150001, China
  • 收稿日期:2017-10-22 修回日期:2018-03-14 出版日期:2018-06-05 发布日期:2018-06-05
  • 通讯作者: Chong Kang E-mail:kangchongheu@163.com
  • 基金资助:
    Project supported by the National Natural Science Foundation of China (Grant No.61174192).

Baseline optimization for scalar magnetometer array and its application in magnetic target localization

Li-Ming Fan(樊黎明)1,2, Quan Zheng(郑权)1, Xi-Yuan Kang(康曦元)3, Xiao-Jun Zhang(张晓峻)1, Chong Kang(康崇)1,2   

  1. 1 College of Science, Harbin Engineering University, Harbin 150001, China;
    2 College of Mechanical and Electrical Engineering, Harbin Engineering University, Harbin 150001, China;
    3 College of Computer Science and Technology, Harbin Engineering University, Harbin 150001, China
  • Received:2017-10-22 Revised:2018-03-14 Online:2018-06-05 Published:2018-06-05
  • Contact: Chong Kang E-mail:kangchongheu@163.com
  • Supported by:
    Project supported by the National Natural Science Foundation of China (Grant No.61174192).

摘要: Generally, a magnetic target can be described with six parameters, three describing the position and three describing the magnetic moment. Due to a lack of sufficient components from one magnetometer, we need more than one magnetometer when locating the magnetic target. Thus, a magnetometer array should be designed. The baseline of the array is an important factor that affects the localization accuracy of the target. In this paper, we focus on the localization of a static target by using a scalar magnetometer array. We present the scalar magnetometer array with a cross-shaped structure. We propose a method of determining the optimal baseline according to the parameters of the magnetometer and detection requirements. In the method, we use the traditional signal-to-noise ratio (SNR) as a performance index, and obtain the optimal baseline of the array by using the Monte Carlo method. The proposed method of determining the optimal baseline is verified in simulation. The arrays with different baselines are used to locate a static magnetic target. The results show that the location performance is better when using the array with the optimal baseline determined by the proposed method.

关键词: scalar magnetometer array, baseline optimization, Monte Carlo simulation, magnetic anomaly

Abstract: Generally, a magnetic target can be described with six parameters, three describing the position and three describing the magnetic moment. Due to a lack of sufficient components from one magnetometer, we need more than one magnetometer when locating the magnetic target. Thus, a magnetometer array should be designed. The baseline of the array is an important factor that affects the localization accuracy of the target. In this paper, we focus on the localization of a static target by using a scalar magnetometer array. We present the scalar magnetometer array with a cross-shaped structure. We propose a method of determining the optimal baseline according to the parameters of the magnetometer and detection requirements. In the method, we use the traditional signal-to-noise ratio (SNR) as a performance index, and obtain the optimal baseline of the array by using the Monte Carlo method. The proposed method of determining the optimal baseline is verified in simulation. The arrays with different baselines are used to locate a static magnetic target. The results show that the location performance is better when using the array with the optimal baseline determined by the proposed method.

Key words: scalar magnetometer array, baseline optimization, Monte Carlo simulation, magnetic anomaly

中图分类号:  (Magnetometers for magnetic field measurements)

  • 07.55.Ge
91.25.Rt (Magnetic anomalies; modeling and interpretations)