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We demonstrate a multi-beam scanning transmission electron microscopy (STEM) imaging that integrates down-sampling with super-resolution image reconstruction via a compressive sensing framework. A custom condenser aperture with six randomly…

仪器与探测器 · 物理学 2026-03-19 Akira Yasuhara , Takumi Sannomiya , Ryoichi Horisaki

Near-field multi-antenna wireless communication has attracted growing research interest in recent years. Despite this development, most of the current literature on antennas and reflecting structures relies on simplified models, whose…

信号处理 · 电气工程与系统科学 2026-02-12 Georg Schwan , Alexander Stutz-Tirri , Christoph Studer

Beamforming is central to the processing function of all phased arrays and becomes particularly challenging with a large number of antenna element (e.g. >100,000). The ability to beamform efficiently with reasonable power requirements is…

天体物理仪器与方法 · 物理学 2010-08-25 A J Faulkner , K Zarb Adami , J. G. Bij de Vaate , G. W. Kant , P. Pickard

Objective: A novel structure based on channel-wise attention mechanism is presented in this paper. Embedding with the proposed structure, an efficient classification model that accepts multi-lead electrocardiogram (ECG) as input is…

信号处理 · 电气工程与系统科学 2020-03-27 Hao Tung , Chao Zheng , Xinsheng Mao , Dahong Qian

Accurate modeling of the pi-bands of armchair graphene nanoribbons (AGNRs) requires correctly reproducing asymmetries in the bulk graphene bands as well as providing a realistic model for hydrogen passivation of the edge atoms. The commonly…

介观与纳米尺度物理 · 物理学 2011-08-22 Timothy B. Boykin , Mathieu Luisier , Gerhard Klimeck , Xueping Jiang , Neerav Kharche , Yu Zhou , Saroj K. Nayak

Statistical significance testing of neural coherence is essential for distinguishing genuine cross-signal coupling from spurious correlations. A widely accepted approach uses surrogate-based inference, where null distributions are generated…

信号处理 · 电气工程与系统科学 2026-05-13 Md Rakibul Mowla , Sukhbinder Kumar , Ariane E. Rhone , Brian J. Dlouhy , Christopher K. Kovach

We report on the commissioning of a fast electron-energy scan system for measurements of electron-impact ionization cross sections. The Giessen crossed-beams experiment employs a high-power electron gun which has been developed over recent…

原子物理 · 物理学 2026-03-11 B. Michel Döhring , Alexander Borovik , Kurt Huber , Alfred Müller , Stefan Schippers

We performed model calculations of Raman responses for multiband 2D superconductors. The multiband effects of screening in the A_{1g} symmetry channel were investigated analytically and numerically for a band structure model mimicing ARPES…

超导电性 · 物理学 2015-05-19 Christoph Sauer , Girsh Blumberg

Deep learning has achieved expert-level performance in automated electrocardiogram (ECG) diagnosis, yet the "black-box" nature of these models hinders their clinical deployment. Trust in medical AI requires not just high accuracy but also…

机器学习 · 计算机科学 2026-02-11 Vajira Thambawita , Jonas L. Isaksen , Jørgen K. Kanters , Hugo L. Hammer , Pål Halvorsen

In pursuit of enhanced quality of service and higher transmission rates, communication within the mid-band spectrum, such as bands in the 6-15 GHz range, combined with extra large-scale multiple-input multiple-output (XL-MIMO), is…

信息论 · 计算机科学 2024-08-21 Jiachen Tian , Yu Han , Xiao Li , Shi Jin , Chao-Kai Wen

We investigate etched single-layer graphene nanoribbons with different widths ranging from 30 to 130 nm by confocal Raman spectroscopy. We show that the D-line intensity only depends on the edge-region of the nanoribbon and that…

介观与纳米尺度物理 · 物理学 2011-05-06 Dominik Bischoff , Johannes Güttinger , Susanne Dröscher , Thomas Ihn , Klaus Ensslin , Christoph Stampfer

In this study, a novel transmission scheme is proposed to serve radar-sensing and communication objectives at the same time and allocated bandwidth. The proposed transmitted frame non-orthogonally superimposes two different waveforms, which…

信号处理 · 电气工程与系统科学 2020-07-14 Mehmet Mert Sahin , Huseyin Arslan

While recent multimodal large language models (MLLMs) have advanced automated ECG interpretation, they still face two key limitations: (1) insufficient multimodal synergy between time series signals and visual ECG representations, and (2)…

计算与语言 · 计算机科学 2025-10-21 Xiang Lan , Feng Wu , Kai He , Qinghao Zhao , Shenda Hong , Mengling Feng

Imaging of perfectly conducting crack(s) in a 2-D homogeneous medium using boundary data is studied. Based on the singular structure of the Multi-Static Response (MSR) matrix whose elements are normalized by an adequate test function at…

数学物理 · 物理学 2013-02-13 Won-Kwang Park , Dominique Lesselier

Automated classification of electrocardiogram (ECG) signals is a useful tool for diagnosing and monitoring cardiovascular diseases. This study compares three traditional machine learning algorithms (Decision Tree Classifier, Random Forest…

机器学习 · 计算机科学 2026-04-20 Saloni Garg , Ukant Jadia , Amit Sagtani , Kamal Kant Hiran

High-quality recordings of radio frequency (RF) emissions from commercial communication hardware in realistic environments are often needed to develop and assess spectrum-sharing technologies and practices, e.g., for training and testing…

信号处理 · 电气工程与系统科学 2022-02-21 Jack Sklar , Adam Wunderlich

Intelligent reflecting surface (IRS) has emerged as a revolutionizing solution to enhance wireless communications by intelligently changing the propagation environment. Prior studies on IRS are based on an ideal reflection model with a…

信号处理 · 电气工程与系统科学 2020-06-03 Wenhao Cai , Hongyu Li , Ming Li , Qian Liu

This paper considers a multiuser massive multiple-input multiple-output uplink with the help of an analog amplify-and-forward relay. The base station equips a large array of $N_d$ antennas but is supported by a far smaller number of…

信息论 · 计算机科学 2020-06-01 Jindan Xu , Yucheng Wang , Wei Xu , Shi Jin , Hong Shen , Xiaohu You

This study presents a transformer-based deep learning framework for the long-horizon prediction of full lower-limb joint angles and joint moments using surface electromyography (sEMG) and inertial measurement unit (IMU) signals. Two…

机器人学 · 计算机科学 2025-06-06 Farshad Haghgoo Daryakenari , Tara Farizeh

In this paper, we propose a practical receiver for multicarrier signals subjected to a strong memoryless nonlinearity. The receiver design is based on a generalized approximate message passing (GAMP) framework, and this allows real-time…

信息论 · 计算机科学 2017-03-07 Sergey V. Zhidkov