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Information retrieval from passive backscatter systems is widely used in digital applications with tight energy budgets, short communication distances, and low data rates. Due to the fundamental limits of classical wireless receivers, the…

量子物理 · 物理学 2025-12-22 Shiqian Guo , Tingxiang Ji , Jianqing Liu

The Spin Physics Detector (SPD) experiment at the NICA collider in JINR aims to investigate the spin structure of nucleons and spin-related phenomena. The combination of the number of background processes, the event rate and conditions for…

The measurement of pulsar pulse times-of-arrival (ToAs) is a crucial step in detecting low-frequency gravitational waves. To determine ToAs, we can use template-matching to compare each observed pulse profile with a standard template.…

天体物理仪器与方法 · 物理学 2024-07-17 J. Wang , J. P. W. Verbiest , G. M. Shaifullah , I. Cognard , L. Guillemot , G. H. Janssen , M. B. Mickaliger , A. Possenti , G. Theureau

We report a demonstration of quantum key distribution (QKD) over a standard telecom fiber exceeding 50 dB in loss and 250 km in length. The differential phase shift QKD protocol was chosen and implemented with 2 GHz system clock rate. By…

量子物理 · 物理学 2012-03-21 Shuang Wang , Wei Chen , Jun-Fu Guo , Zhen-Qiang Yin , Hong-Wei Li , Zheng Zhou , Guang-Can Guo , Zheng-Fu Han

In the global network of institutions engaged with the realization of International Atomic Time (TAI), atomic clocks and time scales are compared by means of the Global Positioning System (GPS) and by employing telecommunication satellites…

仪器与探测器 · 物理学 2019-10-24 D. Piester , M. Rost , M. Fujieda , T. Feldmann , A. Bauch

Traditional radar sensing typically involves matched filtering between the received signal and the shape of the transmitted pulse. Under the confinement of classic sampling theorem this requires that the received signals must first be…

信息论 · 计算机科学 2013-07-09 Eliahu Baransky , Gal Itzhak , Idan Shmuel , Noam Wagner , Eli Shoshan , Yonina C. Eldar

The XENON1T liquid xenon time projection chamber is the most sensitive detector built to date for the measurement of direct interactions of weakly interacting massive particles with normal matter. The data acquisition system (DAQ) is…

仪器与探测器 · 物理学 2019-08-08 E. Aprile , J. Aalbers , F. Agostini , M. Alfonsi , L. Althueser , F. D. Amaro , V. C. Antochi , F. Arneodo , D. Barge , L. Baudis , B. Bauermeister , L. Bellagamba , M. L. Benabderrahmane , T. Berger , P. A. Breur , A. Brown , E. Brown , S. Bruenner , G. Bruno , R. Budnik , L. Bütikofer , C. Capelli , J. M. R. Cardoso , D. Cichon , D. Coderre , A. P. Colijn , J. Conrad , J. P. Cussonneau , M. P. Decowski , P. de Perio , P. Di Gangi , A. Di Giovanni , S. Diglio , A. Elykov , G. Eurin , J. Fei , A. D. Ferella , A. Fieguth , W. Fulgione , P. Gaemers , A. Gallo Rosso , M. Galloway , F. Gao , M. Garbini , L. Grandi , Z. Greene , C. Hasterok , E. Hogenbirk , J. Howlett , M. Iacovacci , R. Itay , F. Joerg , S. Kazama , A. Kish , M. Kobayashi , G. Koltman , A. Kopec , H. Landsman , R. F. Lang , L. Levinson , Q. Lin , S. Lindemann , M. Lindner , F. Lombardi , J. A. M. Lopes , E. López Fune , C. Macolino , J. Mahlstedt , A. Manfredini , F. Marignetti , T. Marrodán Undagoitia , J. Masbou , D. Masson , S. Mastroianni , M. Messina , K. Micheneau , K. Miller , A. Molinario , K. Morå , Y. Mosbacher , M. Murra , J. Naganoma , K. Ni , U. Oberlack , K. Odgers , B. Pelssers , R. Peres , F. Piastra , J. Pienaar , V. Pizzella , G. Plante , R. Podviianiuk , H. Qiu , D. Ramírez García , S. Reichard , B. Riedel , A. Rocchetti , N. Rupp , J. M. F. dos Santos , G. Sartorelli , N. Šarčević , M. Scheibelhut , S. Schindler , J. Schreiner , D. Schulte , M. Schumann , L. Scotto Lavina , M. Selvi , P. Shagin , E. Shockley , M. Silva , H. Simgen , C. Therreau , D. Thers , F. Toschi , G. Trinchero , C. D. Tunnell , N. Upole , M. Vargas , G. Volta , O. Wack , H. Wang , Y. Wei , C. Weinheimer , D. Wenz , C. Wittweg , J. Wulf , J. Ye , Y. Zhang , T. Zhu , J. P. Zopounidis , M. Pieracci , C. Tintori

Coherent measurement of quantum signals used for continuous-variable (CV) quantum key distribution (QKD) across satellite-to-ground channels requires compensation of phase wavefront distortions caused by atmospheric turbulence. One…

量子物理 · 物理学 2025-08-13 Nathan K. Long , Robert Malaney , Kenneth J. Grant

Fully relativistic coordinates have been proposed for (relativistically) running a "GPS" system. These coordinates are the arrival times of the light signals emitted by four "satellites" (clocks). Replacing the signals emitted by four…

广义相对论与量子宇宙学 · 物理学 2009-05-27 Bartolome Coll , Albert Tarantola

Terahertz (THz) technology is promising in several applications such as imaging, spectroscopy and communications. Among several methods in the generation and detection of THz waves, a THz time domain system (TDS) that is developed using…

Clock asynchronism is a critical issue in integrating radar sensing into communication networks. It can cause ranging ambiguity and prevent coherent processing of dis-continuous measurements in integration with asynchronous transceivers.…

信号处理 · 电气工程与系统科学 2022-07-26 J. Andrew Zhang , Kai Wu , Xiaojing Huang , Y. Jay Guo , Daqing Zhang , Robert W. Heath

The DUNE neutrino experiment far detector has a fiducial mass of 40 kt. The O(1 M) readout channels are distributed over the 4 x 10kt modules and need to be synchronized to O( 10 ns ) with a reliable, simple, affordable system. For the…

仪器与探测器 · 物理学 2020-03-18 David Cussans

Signal digitizers revolutionized the approach to the electronics readout of radiation detectors in Nuclear Physics. These highly specialized pieces of equipment are designed to acquire the signals that are characteristic of the detectors in…

A method of near real-time detection and tracking of resident space objects (RSOs) using a convolutional neural network (CNN) and linear quadratic estimator (LQE) is proposed. Advances in machine learning architecture allow the use of…

天体物理仪器与方法 · 物理学 2023-04-14 Jarred Jordan , Daniel Posada , Matthew Gillette , David Zuehlke , Troy Henderson

In this article, we demonstrate theoretically and experimentally how one can exploit correlations generated in monolithic semiconductor quantum light sources to enhance the performance of optical target detection. A prototype target…

光学 · 物理学 2020-04-16 Han Liu , Amr S. Helmy

In this paper, a low-cost monopulse receiver with an enhanced direction of arrival (DoA) estimation accuracy via deep neural network (DNN) is proposed. The entire system is composed of a 4-element patch array, a fully planar symmetrical…

信号处理 · 电气工程与系统科学 2024-11-28 Hanxiang Zhang , Saeed Zolfaghary Pour , Hao Yan , Powei Liu , Bayaner Arigong

Two generations of a novel detector for high-resolution transmission imaging and spectrometry of fast-neutrons are presented. These devices are based on a hydrogenous fiber scintillator screen and single- or multiple-gated intensified…

MALTA is part of the Depleted Monolithic Active Pixel sensors designed in Tower 180nm CMOS imaging technology. A custom telescope with six MALTA planes has been developed for test beam campaigns at SPS, CERN, with the ability to host…

CuboDAQ is a custom data acquisition system to read out SiPM-based detectors. It features electronic boards to digitize the SiPMs signal, an FPGA-based system-on-module board, the connectivity to transmit the data to a central server, and…

仪器与探测器 · 物理学 2025-01-10 Ettore Zaffaroni , Guido Haefeli

The Global Positioning Systems (GPS) and Inertial Navigation System (INS) technology have attracted a considerable importance recently because of its large number of solutions serving both military as well as civilian applications. This…

神经与进化计算 · 计算机科学 2010-05-28 M. Nguyen-H , C. Zhou