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The analysis and optimization of single intelligent reflecting surface (IRS)-assisted systems have been extensively studied, whereas little is known regarding multiple-IRS-assisted systems. This paper investigates the analysis and…

Information Theory · Computer Science 2022-06-07 Gengfa Ding , Feng Yang , Lianghui Ding , Ying Cui

A near-field integrated sensing and communications (ISAC) framework is proposed, which introduces an additional distance dimension for both sensing and communications compared to the conventional far-field system. In particular, the…

Information Theory · Computer Science 2025-09-24 Zhaolin Wang , Xidong Mu , Yuanwei Liu

Weak connections between superconductors or superfluids can differ from classical links due to quantum coherence, which allows flow without resistance. Transport properties through such weak links can be described with a single function,…

Quantum Gases · Physics 2014-10-02 S. Eckel , F. Jendrzejewski , A. Kumar , C. J. Lobb , G. K. Campbell

This paper considers a hybrid approach to joint estimation of channel information and antenna impedance, for single-input, single-output channels. Based on observation of training sequences via synchronously switched load at the receiver,…

Signal Processing · Electrical Eng. & Systems 2020-06-23 Shaohan Wu , Brian L. Hughes

A fully digital beam position and phase measurement (BPPM) system was designed for the linear accelerator (LINAC) in Accelerator Driven Sub-critical System (ADS) in China. Phase information is obtained from the summed signals from four…

Instrumentation and Detectors · Physics 2019-09-25 Xingshun Gao , Lei Zhao , Jinxin Liu , Zouyi Jiang , Xiaofang Hu , Shubin Liu , Qi An

Measuring the blood pressure waveform is becoming a more frequently studied area. The development of sensor technologies opens many new ways to be able to measure high-quality signals. The development of such an aim-specific sensor can be…

Medical Physics · Physics 2025-06-06 Attila Répai , Sándor Földi , Péter Sótonyi , György Cserey

Robotic arms are key components in fruit-harvesting robots. In agricultural settings, conventional serial or parallel robotic arms often fall short in meeting the demands for a large workspace, rapid movement, enhanced capability of…

Robotics · Computer Science 2024-07-30 Yang Chen , Zhonghua Miao , Yuanyue Ge , Sen lin , Liping Chen , Ya Xiong

This work presents an analysis of the behavior of an electromagnetic field near the common edge of two resistive half-planes with different surface impedances. Contrary to the case of a single resistive half-plane, in the case of the…

Applied Physics · Physics 2024-08-22 Igor M. Braver , Pinchos Sh. Fridberg , Khona L. Garb , Iosif M. Yakover

We propose a new technique for multiple-input multiple-output (MIMO) radar with colocated antennas which we call phased-MIMO radar. The new technique enjoys the advantages of MIMO radar without sacrificing the main advantage of phased-array…

Information Theory · Computer Science 2015-05-13 Aboulnasr Hassanien , Sergiy A. Vorobyov

In a typical multi-standard military communication receiver, fast and reliable spectrum sensing unit is required to extract the information of multiple channels (frequency bands) present in a wideband input signal. In this paper, an energy…

Information Theory · Computer Science 2016-08-16 S. J. Darak , A. P. Vinod , E. M-K. Lai

Integrated sensing and communication (ISAC) is a promising solution for the future sixth-generation (6G) system. However, classical fixed-position antenna (FPA) ISAC systems fail to fully utilize spatial degrees of freedom (DoFs), resulting…

Signal Processing · Electrical Eng. & Systems 2025-11-18 Yuan Guo , Wen Chen , Qingqing Wu , Yang Liu , Qiong Wu

In this work, we propose a technique to enhance the performance of circular patch antennas using an embedded system of cylindrical impedance surfaces. The technique utilizes a derived analytical model of a circular patch antenna containing…

Applied Physics · Physics 2024-10-03 Mikhail Siganov , Stanislav Glybovski , Dmitry Tatarnikov

In this paper, we propose a novel integrated sensing and communications (ISAC) scheme to perform bridge micro-deformation monitoring (BMDM) in complex environments. We first provide an excitation-bridge coupling model to represent the…

Signal Processing · Electrical Eng. & Systems 2025-09-23 Boxuan Sun , Hongliang Luo , Shaodan Ma , Feifei Gao

Power quality standards (IEEE-519) require to limit the total harmonic distortion within satisfactory range caused by power electronic based devices. Our work deals with the design of hybrid active filter to reduce current perturbations…

Systems and Control · Computer Science 2016-04-13 Zubair Ahmed Memon , Mohammad Aslam Uqaili , Mukhtiar Ali Unar

Recently, X-ray interferometers with more than one phase grating have been developed for differential phase contrast (DPC) imaging. In this study, a novel framework is developed to predict such interferometers' angular sensitivity responses…

Instrumentation and Detectors · Physics 2020-06-25 Jianwei Chen , Jiecheng Yang , Peiping Zhu , Ting Su , Huitao Zhang , Hairong Zheng , Dong Liang , Yongshuai Ge

Efficiently receiving underwater sound remotely from air is a long-standing challenge in acoustics hindered by the large impedance mismatch at the water-air interface. Here we introduce and experimentally demonstrate a technique for remote…

Applied Physics · Physics 2022-08-30 Jing-jing Liu , Zheng-wei Li , Bin Liang , Jian-chun Cheng , Andrea Alu

A variety of hybrid analog-digital beamforming architectures have recently been proposed for massive multiple-input multiple-output (MIMO) systems to reduce energy consumption and the cost of implementation. In the analog processing network…

Information Theory · Computer Science 2019-08-28 Nhan Thanh Nguyen , Kyungchun Lee

We report the realization of a bonded-bridge on-chip superconducting coil and its use in impedance-matching a highly ohmic quantum dot (QD) to a $\rm{3~GHz}$ measurement setup. The coil, modeled as a lumped-element $LC$ resonator, is more…

Quantum Physics · Physics 2018-01-03 M. -C. Harabula , T. Hasler , G. Fülöp , M. Jung , V. Ranjan , C. Schönenberger

We realize a superconducting nanodevice in which vortex traps in the form of an aluminum square are integrated with a Dayem nanobridge. We perform field-cooling of the traps arriving to different vortex configurations, dependent on the…

The requirement of high rate capability for operation at LHC, led 20 years ago to the achievement of Resistive Plate Chambers operated in avalanche mode, thanks to the introduction of new gas mixtures and to the development of the Front-End…

Instrumentation and Detectors · Physics 2017-06-28 A. Paoloni , A. Mengucci , M. Spinetti , M. Ventura , L. Votano