Portable three-component magnetic field measurement module

WANG Xu; CHEN Kai; LU Yong-Jian; YIN Yao-Tian

doi:10.11720/wtyht.2022.1463

2022 Vol. 46, No. 6

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Article navigation > Geophysical and Geochemical Exploration > 2022 > 46(6): 1528-1533

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WANG Xu, CHEN Kai, LU Yong-Jian, YIN Yao-Tian. 2022. Portable three-component magnetic field measurement module. Geophysical and Geochemical Exploration, 46(6): 1528-1533. doi: 10.11720/wtyht.2022.1463

Citation:

WANG Xu, CHEN Kai, LU Yong-Jian, YIN Yao-Tian. 2022. Portable three-component magnetic field measurement module. Geophysical and Geochemical Exploration, 46(6): 1528-1533. doi: 10.11720/wtyht.2022.1463

Portable three-component magnetic field measurement module

1. School of Geophysics and Information Technology, China University of Geosciences, Beijing 100083, China；
2. Qilu Aerospace Information Research Institute,Jinan 250000,China

Received Date: 20 August 2021

Revised Date: 20 December 2022

Publish Date: 03 January 2023

Abstract

Abstract

The high-precision magnetic field measurement module is mainly used in the scientific fields such as geology, geophysics, and national defense. However, the existing three-component magnetic field measurement module suffers poor portability (requiring a PC for data acquisition), large background noise, and short operating time. Therefore, this study developed a portable three-component magnetic field measurement module:a high-precision data measurement module and an Android control program. The test results show that the measurement module supports the interactive control using Android mobile phones and enjoys the advantages of low background noise (dynamic range>121dB@fs=1,000Hz), high clock synchronization precision (time drift±0.87 ms/day), long operating time (for one-week continuous work), and high scalability (supporting multiple fluxgate sensors).Portable three-component magnetic field mesurement module is portable,simpk and easy to use,suitable for field testing.
- low power consumption /
- low noise /
- clock synchronization

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References

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