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The ALICE detector at CERN uses properties of the magnetic field acting on charged particles as part of the particle tracking and identification system -- via measuring the strength of bending of charged particles in a magnetic field…

Instrumentation and Detectors · Physics 2021-12-03 Piotr Nowakowski , Przemysław Rokita , Łukasz Graczykowski

Explicit expressions for magnetoresistance $R$ of planar and layered strongly inhomogeneous two-phase systems are obtained, using exact dual transformation, connecting effective conductivities of in-plane isotropic two-phase systems with…

Disordered Systems and Neural Networks · Physics 2009-11-11 S. A. Bulgadaev , F. V. Kusmartsev

Object tracking is a key aspect in many applications such as augmented reality in medicine (e.g. tracking a surgical instrument) or robotics. Squared planar markers have become popular tools for tracking since their pose can be estimated…

Computer Vision and Pattern Recognition · Computer Science 2021-03-23 Hamid Sarmadi , Rafael Muñoz-Salinas , M. A. Berbís , R. Medina-Carnicer

Double-resonance optically pumped magnetometers are an attractive instrument for unshielded magnetic field measurements due to their wide dynamic range and high sensitivity. Use of linearly polarised pump light creates alignment in the…

Atomic Physics · Physics 2018-09-26 Stuart J. Ingleby , Carolyn O'Dwyer , Paul F. Griffin , Aidan S. Arnold , Erling Riis

To address the demands in healthcare and industrial settings for spatially resolved magnetic imaging, we present a modular optically pumped magnetometer (OPM) system comprising a multi-sensor array of highly sensitive quantum magnetometers.…

Using oscillating magnetic fields for indoor positioning is a robust way to resist dynamic environments. This work presents the hard- and software-related optimizations of an induced magnetic field positioning system. We describe a new coil…

Signal Processing · Electrical Eng. & Systems 2025-03-11 Sizhen Bian , Gerald Pirkl , Jingyuan Cheng , Paul Lukowicz

This paper presents a compact low-temperature atomic vector magnetometer for weak field measurements, using an atomic cell containing two orthogonal multipass cavities. At the working temperature of 75 $^\circ$C, the magnetic field…

Atomic Physics · Physics 2023-03-09 Siqi Liu , Qianqian Yu , Hao Zhou , Dong Sheng

Detecting and characterising vehicles is one of the purposes of embedded systems used in intelligent environments. An analysis of a vehicle characteristics can reveal inappropriate or dangerous behaviour. This detection makes it possible to…

Signal Processing · Electrical Eng. & Systems 2024-05-03 Jose-Luis Poza-Lujan , Pedro Uribe-Chavert , Juan-Luis Posadas-Yagüe

We describe the construction of a simple, compact, and cost-effective feedback system that produces flat-top field profiles in pulsed magnetic fields. This system is designed for use in conjunction with a typical capacitor-bank driven…

Instrumentation and Detectors · Physics 2015-10-19 Yoshimitsu Kohama , Koichi Kindo

Position sensitive detectors (PSDs) offer possibility to track single active marker's two (or three) degrees of freedom (DoF) position with a high accuracy, while having a fast response time with high update frequency and low latency, all…

Robotics · Computer Science 2022-01-12 Young-Ho Kim , Ankur Kapoor , Tommaso Mansi , Ali Kamen

Magnetic Resonance Imaging (MRI) is universally acknowledged as an excellent tool to extract detailed spatial information with minimally invasive measurements. Efforts toward ultra-low-field (ULF) MRI are made to simplify the scanners and…

Applied Physics · Physics 2019-10-28 Giuseppe Bevilacqua , Valerio Biancalana , Yordanka Dancheva , Antonio Vigilante

Presently, Magnetic Resonance Imaging (MRI) magnets must deliver excellent magnetic field (B0) uniformity to achieve optimum image quality. Long magnets can satisfy the homogeneity requirements but require considerable superconducting…

Medical Physics · Physics 2024-02-15 Marina Manso Jimeno , John Thomas Vaughan , Sairam Geethanath

Magnetic navigation systems, including magnetic tracking systems and magnetic actuation systems, have shown great potential for occlusion-free localization and remote control of intracorporeal medical devices and robots in minimally…

Robotics · Computer Science 2026-03-09 Heng Wang , Haoyu Song , Jiatao Zheng , Yuxiang Han , Kunli Wang

In this work we present a practical algorithm for calibrating a magnetometer for the presence of magnetic disturbances and for magnetometer sensor errors. To allow for combining the magnetometer measurements with inertial measurements for…

Systems and Control · Computer Science 2016-07-15 Manon Kok , Thomas B. Schön

Existing approaches for the field measurements of the frequency-dependent soil properties take a significant amount of time, making it difficult to obtain new experimental data and study the electrical soil properties further. However, a…

Geophysics · Physics 2022-02-07 Dmitry Kuklin

Geomagnetic navigation leverages the ubiquitous Earth's magnetic signals to navigate missions, without dependence on GPS services or pre-stored geographic maps. It has drawn increasing attention and is promising particularly for long-range…

Robotics · Computer Science 2024-12-17 Songnan Yang , Shiliang Zhang , Qianyun Zhang , Xiaohui Zhang , Xuehui Ma

A semiconductor tracker for muon scattering tomography is presented. The tracker contains silicon strip sensors with an $80\,\mu$m pitch, precision mechanics and integrated cooling. The electronic readout of the sensors is performed by a…

Instrumentation and Detectors · Physics 2018-10-30 F. Keizer , A. Gorbatch , M. A. Parker , C. Steer , S. A. Wotton

Localization systems intended for home use by people with mild cognitive impairment should comply with specific requirements. They should provide the users with sub-meter accuracy allowing for analyzing patient's movement trajectory and be…

Signal Processing · Electrical Eng. & Systems 2024-04-05 Marcin Kolakowski

A detailed study about magnetic sensing techniques based on anisotropic magnetoresistive sensors shows that the technology is suitable for low-frequency space applications like the eLISA mission. Low noise magnetic measurements at the…

Instrumentation and Methods for Astrophysics · Physics 2016-04-29 I. Mateos , J. Ramos-Castro , A. Lobo

Plasmonic sensing has been in the spotlight for decades, the concept and applications of which have been generalized to spoof surface plasmons (SSPs) in the microwave band. Here, we report a compact and wireless sensor within a printed…

Signal Processing · Electrical Eng. & Systems 2022-03-10 Xuanru Zhang , Jia Wen Zhu , Tie Jun Cui