English
Related papers

Related papers: A Multilayer Eigen-Sensitivity Method Using Loop G…

200 papers

We consider the stability and performance of a discrete-time control loop used as a dynamic nuller in the presence of a relatively large time delay in its feedback path. Controllers of this form occur in mm-wave telescopes using…

Instrumentation and Methods for Astrophysics · Physics 2022-07-26 Graeme Smecher , Tijmen de Haan , Matt Dobbs , Joshua Montgomery

Magnetohydrodynamic instabilities like Toroidal Alfv\'en Eigenmodes or core-localized modes such as Beta Induced Alfv\'en Eigenmodes and Reversed Shear Alfv\'en Eigenmodes driven by fast particles can lead to significant redistribution and…

A general phase reduction method for a network of coupled dynamical elements exhibiting collective oscillations, which is applicable to arbitrary networks of heterogeneous dynamical elements, is developed. A set of coupled adjoint equations…

Adaptation and Self-Organizing Systems · Physics 2018-04-04 Hiroya Nakao , Sho Yasui , Masashi Ota , Kensuke Arai , Yoji Kawamura

Perception is one of the key abilities of autonomous mobile robotic systems, which often relies on fusion of heterogeneous sensors. Although this heterogeneity presents a challenge for sensor calibration, it is also the main prospect for…

Robotics · Computer Science 2019-04-09 Juraj Peršić , Luka Petrović , Ivan Marković , Ivan Petrović

Distributed acoustic sensors (DAS) are effective apparatus which are widely used in many application areas for recording signals of various events with very high spatial resolution along the optical fiber. To detect and recognize the…

Machine Learning · Computer Science 2023-03-22 Ceyhun Efe Kayan , Kivilcim Yuksel Aldogan , Abdurrahman Gumus

EEG is a non-invasive technique for recording brain bioelectric activity, which has potential applications in various fields such as human-computer interaction and neuroscience. However, there are many difficulties in analyzing EEG data,…

Signal Processing · Electrical Eng. & Systems 2018-01-18 Yumeng Ye , Haichun Liu , TianHong Zhang , Changchun Pan , Genke Yang , JiJun Wang , Robert C. Qiu

This article aims at developing a model based optimization for reduction of temporal unwrapping and field estimation errors in multi-echo acquisition of Gradient Echo sequence. Using the assumption that the phase is linear along the…

Medical Physics · Physics 2021-07-02 Joseph Suresh Paul , Sreekanth Madhusoodhanan

Robust and comprehensive evaluation of large language models (LLMs) is essential for identifying effective LLM system configurations and mitigating risks associated with deploying LLMs in sensitive domains. However, traditional statistical…

Computation and Language · Computer Science 2026-05-08 Adam Dejl , Jonathan Pearson

High-frequency oscillations (HFOs) in intracranial Electroencephalography (iEEG) are critical biomarkers for localizing the epileptogenic zone in epilepsy treatment. However, traditional rule-based detectors for HFOs suffer from…

Computational Engineering, Finance, and Science · Computer Science 2025-07-22 Yipeng Zhang , Yuanyi Ding , Chenda Duan , Atsuro Daida , Hiroki Nariai , Vwani Roychowdhury

We present a high-sensitivity measurement technique for mechanical nanoresonators. Due to intrinsic nonlinear effects, different flexural modes of a nanobeam can be coupled while driving each of them on resonance. This mode-coupling scheme…

Mesoscale and Nanoscale Physics · Physics 2015-12-02 M. Defoort , K. J. Lulla , C. Blanc , O. Bourgeois , A. D. Armour , E. Collin

The LFI (Low Frequency Instrument) on board the ESA Planck satellite is constituted by an array of radiometric detectors actively cooled at 20 K in the 30-70 GHz frequency range in the focal plane of the Planck telescope. In this paper we…

Driver gaze estimation serves as a fundamental metric for evaluating driver attentiveness in modern monitoring systems. Beyond being vulnerable to sudden lighting changes and sensor noise, spatial-domain models struggle to disentangle…

Computer Vision and Pattern Recognition · Computer Science 2026-05-26 Jun Ma , Zhenye Yang , Ruichen Zhou , Pei Zhang , Huan Li , Jinpeng Chen

This letter proposes a decentralized local gain condition (LGC) to guarantee oscillation damping in inverter-based resource (IBR)-dominated power systems. The LGC constrains the dynamic gain between each IBR and the network at its point of…

Systems and Control · Electrical Eng. & Systems 2026-01-30 Xiang Zhu , Xiuqiang He , Hongyang Qing , Hua Geng

Robust spectrum sensing is crucial for facilitating opportunistic spectrum utilization for secondary users (SU) in the absense of primary users (PU). However, propagation environment factors such as multi-path fading, shadowing, and lack of…

Signal Processing · Electrical Eng. & Systems 2024-09-10 Nikhilsingh Parihar , Praful D. Mankar , Sachin Chaudhari

GenL is a flexible program that can be used to simulate and/or fit X-ray reflectivity and X-ray diffraction data from epitaxial thin films exhibiting, for example, Laue oscillations. It utilizes a differential evolution within a genetic…

Materials Science · Physics 2026-05-19 Anna L. Ravensburg , Johan Bylin , Vassilios Kapaklis , Gunnar K. Pálsson

The contemporary superconductive electronics is widely using planar circuits with micrometer-scale elements for a variety of applications. With the rise of complexity of a circuit and increased number of its components, a simple impedance…

Applied Physics · Physics 2019-07-24 A. Karpov , A. P. Zhuravel , A. S. Averkin , V. I. Chichkov , A. V. Ustinov

This paper addresses the problem of real-time monitoring of long-term voltage instability (LTVI) by using local field measurements. Existing local measurement-based methods use Thevenin equivalent parameter estimation that is sensitive to…

Systems and Control · Electrical Eng. & Systems 2022-03-25 Kishan Prudhvi Guddanti , Amarsagar Matavalam , Yang Weng

We present an example of the practical implementation of a protocol for experimental bifurcation detection based on on-line identification and feedback control ideas. The idea is to couple the experiment with an on-line computer-assisted…

Chaotic Dynamics · Physics 2009-11-07 R. Rico-Martinez , K. Krischer , G. Flaetgen , J. S. Anderson , I. G. Kevrekidis

This paper addresses the estimation of fractional delay and Doppler shifts in multipath channels that cause doubly selective fading-an essential task for integrated sensing and communication (ISAC) systems in high-mobility environments.…

Signal Processing · Electrical Eng. & Systems 2025-06-24 Yutaka Jitsumatsu , Liangchen Sun

This paper presents novel methods for parameter identification in electrical grids with small numbers of spatially distributed measuring devices, which is an issue for distribution system operators managing aged and not properly mapped…

Systems and Control · Electrical Eng. & Systems 2023-08-21 Steven de Jongh , Felicitas Mueller , Claudio Cañizares , Thomas Leibfried , Kankar Bhattacharya