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The Fermilab Linac experiences longitudinal beam phase drift, leading to increased particle loss, conventionally corrected through labor-intensive manual RF adjustments. This project explores machine learning-based automation for drift…

Accelerator Physics · Physics 2025-11-25 R. R. Chichili , J. A. Sulskis , R. Sharankova , B. Vamanan , S. Ravi

Hybrid beamforming via large antenna arrays has shown a great potential for increasing data rate in cellular networks by delivering multiple data streams simultaneously. In this paper, several beamforming design algorithms are proposed…

Information Theory · Computer Science 2018-02-06 Shahram Shahsavari , S. Amir Hosseini , Chris Ng , Elza Erkip

This paper describes the system architecture of a newly constructed radio telescope - the Boolardy Engineering Test Array, which is a prototype of the Australian Square Kilometre Array Pathfinder telescope. Phased array feed technology is…

Beamforming techniques utilized either at the transmitter or the receiver terminals have achieved superior quality-of-service performances from both the multi-antenna wireless communications systems, communications intelligence and radar…

Signal Processing · Electrical Eng. & Systems 2023-06-09 M. Yaser Yağan , Ahmet F. Coşkun , Ali E. Pusane

Optical sensor applications have become popular through digital transformation. Linking observed data to real-world locations and combining different image sensors is essential to make the applications practical and efficient. However, data…

Computer Vision and Pattern Recognition · Computer Science 2025-03-20 Kana Kurata , Hitoshi Niigaki , Xiaojun Wu , Ryuichi Tanida

With the installation of a new phased array system called Apertif, the instantaneous field of view of the Westerbork Synthesis Radio Telescope (WSRT) has increased to 8.7$\,$deg$^2$. This system has turned the WSRT in to an highly effective…

Instrumentation and Methods for Astrophysics · Physics 2019-11-13 Yogesh Maan , Joeri van Leeuwen

Millimeter wave communications require multibeam beamforming in order to utilize wireless channels that suffer from obstructions, path loss, and multi-path effects. Digital multibeam beamforming has maximum degrees of freedom compared to…

A new digital backend has been developed for the BEST-2 array at Radiotelescopi di Medicina, INAF-IRA, Italy which allows concurrent operation of an FX correlator, and a direct-imaging correlator and beamformer. This backend serves as a…

Instrumentation and Methods for Astrophysics · Physics 2014-03-05 Griffin Foster , Jack Hickish , Alessio Magro , Danny C. Price , Kristian Zarb Adami

The digital correlator is a crucial element in a modern radio telescope. In this paper we describe a scalable design of the correlator system for the Tianlai pathfinder array, which is an experiment dedicated to test the key technologies…

Instrumentation and Methods for Astrophysics · Physics 2019-07-24 Chenhui Niu , Qunxiong Wang , David MacMahon , Fengquan Wu , Xuelei Chen , Jixia Li , Haijun Tian , Guillaume Shippee , Dan Werthimer , Xiaoping Zheng

The Cherenkov Telescope Array is a project that aims to exploring the highest energy region of electromagnetic spectrum. Two arrays, one for each hemisphere, will cover the full sky in a range from few tens of GeV to hundreds of TeV…

Instrumentation and Methods for Astrophysics · Physics 2015-08-28 M. Iori , P. Majumdar , F. De Persio , A. Chatterjee , F. Ferrarotto , B. K. Nagesh , L. Saha , B. B. Singh

In recent years, high-speed wireless communication is in vogue. In wireless communication systems, multipath fading, delay and interference occurres by reflection or diffraction. In a high-speed wireless communication, it becomes a…

Networking and Internet Architecture · Computer Science 2010-04-28 Wriddhi Bhowmik , Shweta Srivastava

The magnetic signature of an urban environment is investigated using a geographically distributed network of fluxgate magnetometers deployed in and around Berkeley, California. The system hardware and software are described and results from…

Instrumentation and Detectors · Physics 2021-09-29 T. A. Bowen , E. Zhivun , A. Wickenbrock , V. Dumont , S. D. Bale , C. Pankow , G. Dobler , J. S. Wurtele , D. Budker

At CEILAP (CITEDEF-CONICET), a multiangle LIDAR is under development to monitor aerosol extinction coefficients in the frame of the CTA (Cherenkov Telescope Array) Project. This is an initiative to build the next generation of ground-based…

Instrumentation and Detectors · Physics 2019-08-17 Juan Pallotta , Pablo Ristori , Lidia Otero , Fernando Chouza , Delia Raul , Francisco Gonzalez , Alberto Etchegoyen , Eduardo Quel

Digital beamforming and waveform generation techniques in MIMO radar offer enormous advantages in terms of flexibility and performance compared to conventional radar systems based on analog implementations. To allow for such fully digital…

Information Theory · Computer Science 2018-12-27 Amine Mezghani , Robert W. Heath

The Large Synoptic Survey Telescope (LSST) is an 8-m optical ground-based telescope being constructed on Cerro Pachon in Chile. LSST will survey half the sky every few nights in six optical bands. The data will be transferred to NCSA and…

Instrumentation and Methods for Astrophysics · Physics 2015-11-24 Tim Jenness

Over the last few years, needlets have a emerged as a useful tool for the analysis of Cosmic Microwave Background (CMB) data. Our aim in this paper is first to introduce in the CMB literature a different form of needlets, known as Mexican…

Cosmology and Nongalactic Astrophysics · Physics 2011-08-29 S. Scodeller , O. Rudjord , F. K. Hansen , D. Marinucci , D. Geller , A. Mayeli

We performed photometric calibration of the PhotoMultiplier Tube (PMT) and readout electronics used for the new fluorescence detectors of the Telescope Array (TA) experiment using Rayleigh scattered photons from a pulsed nitrogen laser…

The central institute of electronics (ZEA-2) in the Forschungszentrum Juelich (FZJ) has developed a system to scan the response of the photocathode of photomultiplier tubes (PMT). The PMT sits tight on a supporting structure, while a blue…

Instrumentation and Detectors · Physics 2013-07-05 R. Fabbri

MX is a portable beamline control system that has been described at previous NOBUGS meetings. This talk will briefly review MX and then discuss important changes and improvements made since the last meeting in 2000. For materials science,…

Materials Science · Physics 2007-05-23 William M. Lavender

The Arizona Robotic Telescope Network (ARTN) project is a long term effort to develop a system of telescopes to carry out a flexible program of PI observing, survey projects, and time domain astrophysics including monitoring, rapid…

Instrumentation and Methods for Astrophysics · Physics 2018-09-06 Benjamin J. Weiner , David Sand , Paul Gabor , Chris Johnson , Scott Swindell , Petr Kubanek , Victor Gasho , Taras Golota , Buell Jannuzi , Peter Milne , Nathan Smith , Dennis Zaritsky