A nonlinear regression application via machine learning techniques for geomagnetic data reconstruction processing

H Liu, Z Liu, S Liu, Y Liu, J Bin, F Shi… - IEEE Transactions on …, 2018 - ieeexplore.ieee.org
The integrity of geomagnetic data is a critical factor in understanding the evolutionary
process of Earth's magnetic field, as it provides useful information for near-surface …

Magnetic dipole two-point tensor positioning based on magnetic moment constraints

H Liu, X Wang, C Zhao, J Ge… - IEEE Transactions on …, 2021 - ieeexplore.ieee.org
Magnetic target positioning methods that use magnetic gradient tensors have wide
application prospects in unexploded ordnance detection, moving magnetic target tracking …

Nonlinear compensation method based on data for increasing absolute measurement precision of FID signal

C Tan, L Xin, H Chen, L Yang - IEEE Transactions on …, 2021 - ieeexplore.ieee.org
To increase proton magnetometer (PM) absolute precision, a compensation method is
presented to compensate the nonlinear part of the free induction decay (FID) signal. The …

High-precision frequency measurement approach of diminishing multi-source errors for UAV-based aeromagnetic survey

J Ge, M Wang, X Hu, W Xu, W Luo, K Feng, Y Zhang… - Measurement, 2024 - Elsevier
Compared with crewed aircraft, the optically pumped sensor on the aeromagnetic UAV is
closer to the electromagnetic interference sources, significantly affecting the frequency …

A fusion of principal component analysis and singular value decomposition based multivariate denoising algorithm for free induction decay transversal data

H Liu, H Dong, J Ge, Z Liu, Z Yuan, J Zhu… - Review of Scientific …, 2019 - pubs.aip.org
The free induction decay (FID) transversal data determines the measurement accuracy of
time-dependent geomagnetic fields, whereas the conservation of clean components and …

Active detection of small UXO-like targets through measuring electromagnetic responses with a magneto-inductive sensor array

H Liu, C Zhao, J Zhu, J Ge, H Dong, Z Liu… - IEEE Sensors …, 2021 - ieeexplore.ieee.org
The mission of detecting and locating unexploded ordnance (UXO) such as the landmine,
the improvised explosive devised, etc., is still a challenge to be overcome. In this paper, a …

Improving the signal-to-noise-ratio of free induction decay signals using a new multilinear singular value decomposition-based filter

H Liu, Z Wang, C Zhao, J Ge, H Dong… - IEEE Transactions on …, 2021 - ieeexplore.ieee.org
The free induction decay (FID) signal output by a proton precession magnetometer (PPM) is
usually only of the microvolt level, and its frequency is proportional to the magnetic field …

Noise characterization for the FID signal from proton precession magnetometer

H Liu, H Dong, Z Liu, J Ge, B Bai… - Journal of …, 2017 - iopscience.iop.org
Proton precession magnetometer is a high-precision device for weak magnetostatic field
measurement. The measurement accuracy depends on the frequency measurement of free …

An overview of sensing platform-technological aspects for vector magnetic measurement: A case study of the application in different scenarios

H Liu, H Dong, J Ge, Z Liu - Measurement, 2022 - Elsevier
Magnetic sensing platform techniques have been used in many years in an attempt to better
evaluate the likelihood of recoverable hydrocarbon reservoirs by determining the depth and …

Construction of an Overhauser magnetic gradiometer and the applications in geomagnetic observation and ferromagnetic target localization

H Liu, H Dong, Z Liu, J Ge, B Bai… - Journal of …, 2017 - iopscience.iop.org
The proton precession magnetometer with single sensor is commonly used in geomagnetic
observation and magnetic anomaly detection. Due to technological limitations, the …