English
Related papers

Related papers: Magnetic field regression using artificial neural …

200 papers

Ray tracing is widely employed to model the propagation of radio-frequency (RF) signal in complex environment. The modelling performance greatly depends on how accurately the target scene can be depicted, including the scene geometry and…

Computer Vision and Pattern Recognition · Computer Science 2025-01-07 Haifeng Jia , Xinyi Chen , Yichen Wei , Yifei Sun , Yibo Pi

We demonstrate real-time magnetometry by detecting fluorescence from a nitrogen vacancy center in the setting of coherent population trapping and by estimating magnetic field from the time series of the observed photon counts, which are…

Quantum Physics · Physics 2021-11-22 Ethan Turner , Shu-Hao Wu , Xinzhu Li , Hailin Wang

Computing pseudospectra of non-normal matrices is essential for understanding the stability and transient behavior of dynamical systems. Such analysis is critical in applications including fluid dynamics, control systems, and differential…

Numerical Analysis · Mathematics 2026-05-07 Amit Punia , Rakesh Kumar , Madan Lal

We present a novel approach to detect millicharged dark matter (mDM) by using a high-sensitivity magnetometer coupled with the resonant and broadband readout circuits. In the external magnetic field, the interaction between mDM and the…

High Energy Physics - Phenomenology · Physics 2025-04-15 Yuanlin Gong , Hongliang Tian , Lei Wu , Bin Zhu

With the second quantum revolution underway, quantum-enhanced sensors are moving from laboratory demonstrations to field deployments, providing enhanced and even new capabilities. Signal processing and operational software is becoming…

In this paper we investigate the usage of machine learning for interpreting measured sensor values in sensor modules. In particular we analyze the potential of artificial neural networks (ANNs) on low-cost micro-controllers with a few…

Machine Learning · Computer Science 2020-12-16 Marcus Venzke , Daniel Klisch , Philipp Kubik , Asad Ali , Jesper Dell Missier , Volker Turau

We apply a machine learning algorithm, the artificial neural network, to the search for gravitational-wave signals associated with short gamma-ray bursts. The multi-dimensional samples consisting of data corresponding to the statistical and…

Instrumentation and Methods for Astrophysics · Physics 2015-11-26 Kyungmin Kim , Ian W. Harry , Kari A. Hodge , Young-Min Kim , Chang-Hwan Lee , Hyun Kyu Lee , John J. Oh , Sang Hoon Oh , Edwin J. Son

Measuring spins is the corner stone of a variety of analytical techniques including modern magnetic resonance imaging (MRI). The full potential of spin imaging and sensing across length scales is hindered by the achievable signal-to-noise…

Mesoscale and Nanoscale Physics · Physics 2015-06-12 S. Steinert , F. Ziem , L. Hall , A. Zappe , M. Schweikert , A. Aird , G. Balasubramanian , L. Hollenberg , J. Wrachtrup

We present a novel approach allowing an optically pumped magnetometer (OPM) to be operated within Earth's magnetic field as a vector magnetometer whose sensitive axis can be freely defined. This approach enables the measurement of any…

Instrumentation and Detectors · Physics 2024-08-20 Thomas Schönau , Theo Scholtes , Florian Wittkämper , Alexander Sekels , Stefan Hiebel , Gregor Oelsner , Ronny Stolz

In this study, we employ Graph Neural Networks (GNNs) to accelerate the discovery of novel 2D magnetic materials which have transformative potential in spintronics applications. Using data from the Materials Project database and the…

Disordered Systems and Neural Networks · Physics 2024-02-06 Ahmed Elrashidy , James Della-Giustina , Jia-An Yan

Detection of vector magnetic fields at nanoscale dimensions is critical in applications ranging from basic material science, to medical diagnostic. Meanwhile, an all-electric operation is of great significance for achieving a simple and…

The mean field algorithm is a widely used approximate inference algorithm for graphical models whose exact inference is intractable. In each iteration of mean field, the approximate marginals for each variable are updated by getting…

Machine Learning · Computer Science 2014-10-23 Yujia Li , Richard Zemel

In the present paper a newer application of Artificial Neural Network (ANN) has been developed i.e., predicting response-function results of electrical-mechanical system through ANN. This method is specially useful to complex systems for…

Neural and Evolutionary Computing · Computer Science 2011-11-09 R. C. Gupta , Ankur Agarwal , Ruchi Gupta , Sanjay Gupta

The feasibility of using ultra-low-field magnetic resonance (ULF MR) for direct neuronal current imaging (NCI) is investigated by phantom measurements. The aim of NCI is to improve the current localization accuracy for neuronal activity of…

Medical Physics · Physics 2019-06-27 Nora Höfner , Rainer Körber , Martin Burghoff

Accurate estimation of the Cosmic Microwave Background (CMB) angular power spectrum is enticing due to the prospect for precision cosmology it presents. Galactic foreground emissions, however, contaminate the CMB signal and need to be…

Cosmology and Nongalactic Astrophysics · Physics 2021-10-04 Pallav Chanda , Rajib Saha

We demonstrate a method of imaging spatially varying magnetic fields using a thin layer of nitrogen-vacancy (NV) centers at the surface of a diamond chip. Fluorescence emitted by the two-dimensional NV ensemble is detected by a CCD array,…

Mesoscale and Nanoscale Physics · Physics 2012-07-16 L. M. Pham , D. Le Sage , P. L. Stanwix , T. K. Yeung , D. Glenn , A. Trifonov , P. Cappellaro , P. R. Hemmer , M. D. Lukin , H. Park , A. Yacoby , R. L. Walsworth

Atomic magnetometry was performed at Earth's magnetic field over a free-space distance of ten meters. Two laser beams aimed at a distant alkali-vapor cell excited and detected the $^{87}$Rb magnetic resonance, allowing the magnetic field…

Atomic Physics · Physics 2015-06-11 Brian Patton , Oscar Versolato , D. Chris Hovde , Eric Corsini , James Higbie , Dmitry Budker

Accelerator magnets steer particle beams according to the field integrated along the trajectory over the magnet length. Purpose-wound coils measure these relevant parameters with high precision and complement efficiently point-like…

Accelerator Physics · Physics 2011-04-20 L. Walckiers

This paper proposes a pipeline to automatically track and measure displacement and vibration of structural specimens during laboratory experiments. The latest Mask Regional Convolutional Neural Network (Mask R-CNN) can locate the targets…

Image and Video Processing · Electrical Eng. & Systems 2021-09-13 Yongsheng Bai , Ramzi M. Abduallah , Halil Sezen , Alper Yilmaz

This study is devoted to the inference problem of extracting the nuclear matter properties directly from a set of mass-radius observations. We employ Bayesian neural networks (BNNs), which is a probabilistic model capable of estimating the…

Nuclear Theory · Physics 2024-09-27 Valéria Carvalho , Márcio Ferreira , Constança Providência
‹ Prev 1 8 9 10 Next ›