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The Compensation Method of Vehicle Magnetic Interference for the Magnetic Gradiometer

Junwei Lv (), Zhentao Yu (), Jingli Huang () and Jing Zhou ()

Advances in Mathematical Physics, 2013, vol. 2013, 1-5

Abstract: 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.

Date: 2013
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DOI: 10.1155/2013/523164

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