Results 1 to 10 of about 1,843 (149)
Full Tensor Eigenvector Analysis on Air-Borne Magnetic Gradiometer Data for the Detection of Dipole-Like Magnetic Sources [PDF]
The detection of dipole-like sources, such as unexploded ordnances (UXO) and other metallic objects, based on a magnetic gradiometer system, has been increasingly applied in recent years.
Boxin Zuo, Lizhe Wang, Weitao Chen
doaj +4 more sources
Dual Resonator MEMS Magnetic Field Gradiometer [PDF]
Accurate knowledge of the spatial magnetic field distribution is necessary when measuring field gradients. Therefore, a MEMS magnetic field gradiometer is reported, consisting of two identical, but independent laterally oscillating masses on a single ...
Matthias Kahr +7 more
doaj +5 more sources
Magnetic field strength gradiometer [PDF]
Measurements of magnetic field parameters are the basis of all magnetic measurements. Most methods of measuring magnetic field parameters are based on force (energy) interaction of magnetic field with macro- or microscopic currents and ...
R. A. Akhmedzhanov +2 more
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A microfabricated optically-pumped magnetic gradiometer. [PDF]
We report on the development of a microfabricated atomic magnetic gradiometer based on optical spectroscopy of alkali atoms in the vapor phase. The gradiometer, which operates in the spin-exchange relaxation free regime, has a length of 60 mm and cross sectional diameter of 12 mm, and consists of two chip-scale atomic magnetometers which are ...
Sheng D +5 more
europepmc +5 more sources
We report a specially designed magnetic field gradiometer based on a single elliptical planar Hall effect (PHE) sensor, which allows measuring magnetic field at nine different positions in a 4 mm length scale.
Hariharan Nhalil +4 more
doaj +3 more sources
The Compensation Method of Vehicle Magnetic Interference for the Magnetic Gradiometer [PDF]
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 ...
Junwei Lv +3 more
doaj +2 more sources
Construction of a Fluxgate Magnetic Gradiometer for Integration with an Unmanned Aircraft System
The use of unmanned aircraft systems (UASs) for geophysical exploration and environmental monitoring allows for flexible, quick, and effective surveys with high-resolution results.
Sierra Luoma, Xiaobing Zhou
doaj +3 more sources
Recent Developments in Fabrication Methods and Measurement Schemes for Optically Pumped Magnetic Gradiometers: A Comprehensive Review [PDF]
Optically pumped gradiometers have long been utilized in measurement in the International Geomagnetic Reference Field (IGRF). With advancements in technologies such as laser diodes and microfabrication, integrated gradiometers with compact sizes have ...
Haifeng Dong +3 more
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A Single-Cell Optically Pumped Intrinsic Gradiometer [PDF]
Optically pumped magnetometers (OPMs) provide a non-cryogenic alternative to superconducting quantum interference devices (SQUIDs) for detecting weak biomagnetic fields.
Nicholaus Zilinski +3 more
doaj +2 more sources
Motion artifact variability in biomagnetic wearable devices [PDF]
Motion artifacts can be a significant noise source in biomagnetic measurements when magnetic sensors are not separated from the signal source. In ambient environments, motion artifacts can be up to ten times stronger than the desired signals, varying ...
Negin Ghahremani Arekhloo +12 more
doaj +2 more sources

