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In this paper, a low-cost, simple and reliable bi-static Radar Cross Section (RCS) measurement method making use a historic Marconi set-up is presented. It uses a transmitting (Tx) antenna (located at a constant position, at a reference…

Signal Processing · Electrical Eng. & Systems 2021-06-30 Yousef Azizi , Mohammad Soleimani , Seyed Hasan Sedighi , Ladislau Matekovits

The problem of identifying the source of a propagation based on limited observations has been studied significantly in recent years, as it can help reducing the damage caused by unwanted infections. In this paper we present an efficient…

Social and Information Networks · Computer Science 2018-08-17 Shabnam Behzad , Arman Sepehr , Hamid Beigy , Mohammadzaman Zamani

We report a measurement of the ionization efficiency of silicon nuclei recoiling with sub-keV kinetic energy in the bulk silicon of a charge-coupled device (CCD). Nuclear recoils are produced by low-energy neutrons ($<$24 keV) from a…

Light scattering detection in the near field, a rapidly expanding family of scattering techniques, has recently proved to be an appropriate procedure for performing dynamic measurements. Here we report an innovative algorithm, based on the…

We describe a hierarchical, highly parallel computer algorithm to perform searches for unknown sources of continuous gravitational waves -- spinning neutron stars in the Galaxy -- over wide areas of the sky and wide frequency bandwidths. We…

General Relativity and Quantum Cosmology · Physics 2007-05-23 Bernard F. Schutz , M. Alessandra Papa

This paper presents a novel approach to detect F0 through Convolutional Neural Networks and image processing techniques to directly estimate pitch from spectrogram images. Our new approach demonstrates a very good detection accuracy; a…

Sound · Computer Science 2025-04-09 Xufang Zhao , Omer Tsimhoni

The water Cherenkov detector array (WCDA) is one of the key detectors in the large high altitude air shower observatory (LHAASO), which is proposed for very high gamma ray source survey. In WCDA, there are more than 3000 photomultiplier…

Instrumentation and Detectors · Physics 2018-06-26 Shengzhi Zhou , Lei Zhao , Yuxiang Guo , Ruoshi Dong , Boyu Cheng , Jiajun Qin , Sifan Qian , Shubin Liu , Qi An

The prospect of pileup induced backgrounds at the High Luminosity LHC (HL-LHC) has stimulated intense interest in developing technologies for charged particle detection with accurate timing at high rates. The required accuracy follows…

Lung cancer is highly lethal, emphasizing the critical need for early detection. However, identifying lung nodules poses significant challenges for radiologists, who rely heavily on their expertise for accurate diagnosis. To address this…

Image and Video Processing · Electrical Eng. & Systems 2023-10-17 Hossein Jafari , Karim Faez , Hamidreza Amindavar

IceCube has reported evidence for neutrino emission from the Seyfert-II galaxy NGC 1068 and the blazar TXS 0506+056. The former was identified in a time-integrated search, and the latter using time-dependent and multi-messenger methods. A…

High Energy Astrophysical Phenomena · Physics 2023-08-09 Pranav Dave , Ignacio Taboada

More than half of the sources identified by recent radio sky surveys have not been detected by wide-field optical surveys. We present a study based on our co-added image stacking technique, in which our aim is to detect the optical emission…

Cosmology and Nongalactic Astrophysics · Physics 2012-09-28 József Varga , István Csabai , László Dobos

We investigate the use of correlated photon pair sources for the improved quantum-level detection of a target in the presence of a noise background. Photon pairs are generated by spontaneous four-wave mixing, one photon from each pair (the…

Quantum Physics · Physics 2019-02-27 Duncan G. England , Bhashyam Balaji , Benjamin J. Sussman

Passive Radar Systems have received tremendous attention during the past few decades, due to their low cost and ability to remain covert during operation. Such systems do not transmit any energy themselves, but rely on a so-called…

Signal Processing · Electrical Eng. & Systems 2026-01-29 Mats Viberg , Daniele Gerosa , Tomas McKelvey , Thomas Eriksson

Results are presented of a search for cosmic sources of high energy neutrinos with the ANTARES neutrino telescope. The data were collected during 2007 and 2008 using detector configurations containing between 5 and 12 detection lines. The…

High Energy Astrophysical Phenomena · Physics 2015-05-30 Antares Collaboration , S. Adrián-Martínez , J. A. Aguilar , I. Al Samarai , A. Albert , M. André , M. Anghinolfi , G. Anton , S. Anvar , M. Ardid , A. C. Assis Jesus , T. Astraatmadja , J-J. Aubert , B. Baret , S. Basa , V. Bertin , S. Biagi , A. Bigi , C. Bigongiari , C. Bogazzi , M. Bou-Cabo , B. Bouhou , M. C. Bouwhuis , J. Brunner , J. Busto , F. Camarena , A. Capone , C. Carloganu , G. Carminati , J. Carr , S. Cecchini , Z. Charif , Ph. Charvis , T. Chiarusi , M. Circella , R. Coniglione , H. Costantini , P. Coyle , C. Curtil , M. P. Decowski , I. Dekeyser , A. Deschamps , C. Distefano , C. Donzaud , D. Dornic , Q. Dorosti , D. Drouhin , T. Eberl , U. Emanuele , A. Enzenhöfer , J-P. Ernenwein , S. Escoffier , P. Fermani , M. Ferri , V. Flaminio , F. Folger , U. Fritsch , J-L. Fuda , S. Galatà , P. Gay , G. Giacomelli , V. Giordano , J. P. Gómez-González , K. Graf , G. Guillard , G. Halladjian , G. Hallewell , H. van Haren , J. Hartman , A. J. Heijboer , Y. Hello , J. J. Hernández-Rey , B. Herold , J. Hößl , C. C. Hsu , M. de Jong , M. Kadler , O. Kalekin , A. Kappes , U. Katz , O. Kavatsyuk , P. Kooijman , C. Kopper , A. Kouchner , I. Kreykenbohm , V. Kulikovskiy , R. Lahmann , P. Lamare , G. Larosa , D. Lattuada , D. Lefèvre , G. Lim , D. Lo Presti , H. Loehner , S. Loucatos , S. Mangano , M. Marcelin , A. Margiotta , J. A. Martínez-Mora , A. Meli , T. Montaruli , L. Moscoso , H. Motz , M. Neff , E. Nezri , D. Palioselitis , G. E. Pavalas , K. Payet , P. Payre , J. Petrovic , P. Piattelli , N. Picot-Clemente , V. Popa , T. Pradier , E. Presani , C. Racca , C. Reed , C. Richardt , R. Richter , C. Rivière , A. Robert , K. Roensch , A. Rostovtsev , J. Ruiz-Rivas , M. Rujoiu , G. V. Russo , F. Salesa , D. F. E. Samtleben , P. Sapienza , F. Schöck , J-P. Schuller , F. Schüssler , T. Seitz , R. Shanidze , F. Simeone , A. Spies , M. Spurio , J. J. M. Steijger , Th. Stolarczyk , A. Sánchez-Losa , M. Taiuti , C. Tamburini , S. Toscano , B. Vallage , V. Van Elewyck , G. Vannoni , M. Vecchi , P. Vernin , S. Wagner , G. Wijnker , J. Wilms , E. de Wolf , H. Yepes , D. Zaborov , J. D. Zornoza , J. Zúñiga

Sensitive magnetometers have been applied in a wide range of research fields, including geophysical exploration, bio-magnetic field detection, ultralow-field nuclear magnetic resonance, etc. Commonly, magnetometers are directly placed at…

The Isochronous Mass Spectrometry (IMS) is a powerful tool for mass measurements of exotic nuclei with half-lives as short as several tens of micro-seconds in storage rings. In order to improve the mass resolving power while preserving the…

We present a technique for squeezed light detection based on direct imaging of the displaced-squeezed-vacuum state using a CCD camera. We show that the squeezing parameter can be accurately estimated using only the first two moments of the…

Two new algorithms are described for matching two dimensional coordinate lists of point sources that are signifcantly faster than previous methods. By matching rarely occurring triangles (or more complex shapes) in the two lists, and by…

Astrophysics · Physics 2009-11-13 V. Tabur

A remote-sensing system that can determine the position of hidden objects has applications in many critical real-life scenarios, such as search and rescue missions and safe autonomous driving. Previous work has shown the ability to range…

Computer Vision and Pattern Recognition · Computer Science 2017-03-08 Susan Chan , Ryan E. Warburton , Genevieve Gariepy , Jonathan Leach , Daniele Faccio

We present the performance of Multi-gap timing RPCs under irradiation by fully stripped relativistic ions (gamma*beta=2.7, Z=1-6). A time resolution of 80 ps at high efficiency has been obtained by just using standard `off the shelf' 4-gap…