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Advances in Mathematical Physics
Volume 2013, Article ID 523164, 5 pages
Research Article

The Compensation Method of Vehicle Magnetic Interference for the Magnetic Gradiometer

1Department of Control Engineering, Naval Aeronautical and Astronautical University, Yantai 264001, China
2Naval Unit 92474, Sanya 572098, China

Received 10 October 2013; Accepted 22 December 2013

Academic Editor: Shao-Ming Fei

Copyright © 2013 Junwei Lv et al. This is an open access article distributed under the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.


The magnetic interference of vehicle imposes a strong influence on the magnetic gradiometer. Based on the mechanism of the vehicle magnetic interference, we firstly use the difference algorithm of the magnetic gradient tensor to fuse the magnetic interference of each vector magnetometer and establish a mathematical model of vehicle magnetic interference for the magnetic gradiometer. Next, we propose a compensation method for the vehicle magnetic interference and a recognition method for the estimation of compensation coefficients based on this mathematical model. The simulation results show that the proposed method can compensate as much as 96.2% of the vehicle magnetic interference efficiently.