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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…

The upcoming Square Kilometer Array (SKA) is expected to produce humongous amount of data for undertaking H{\sc i}~science. We have developed an MPI-based {\sc Python} pipeline to deal with the large data efficiently with the present…

Instrumentation and Methods for Astrophysics · Physics 2022-12-28 Abinash Kumar Shaw , Manoj Jagannath , Aishrila Mazumder , Arnab Chakraborty , Narendra Nath Patra , Rajesh Mondal , Samir Choudhuri

The Pan-STARRS Data Processing System is responsible for the steps needed to downloaded, archive, and process all images obtained by the Pan-STARRS telescopes, including real-time detection of transient sources such as supernovae and moving…

The Data Activated Liu Graph Engine - DALiuGE - is an execution framework for processing large astronomical datasets at a scale required by the Square Kilometre Array Phase 1 (SKA1). It includes an interface for expressing complex data…

Distributed, Parallel, and Cluster Computing · Computer Science 2017-02-27 Chen Wu , Rodrigo Tobar , Kevin Vinsen , Andreas Wicenec , Dave Pallot , Baoqiang Lao , Ruonan Wang , Tao An , Mark Boulton , Ian Cooper , Richard Dodson , Markus Dolensky , Ying Mei , Feng Wang

Continuously comparing theory predictions to experimental data is a common task in analysis of particle physics such as fitting parton distribution functions (PDFs). However, typically, both the computation of scattering amplitudes and the…

High Energy Physics - Phenomenology · Physics 2023-03-14 Andrea Barontini , Alessandro Candido , Juan M. Cruz-Martinez , Felix Hekhorn , Christopher Schwan

We present the DSA-2000: a world-leading radio survey telescope and multi-messenger discovery engine for the next decade. The array will be the first true radio camera, outputting science-ready image data over the 0.7 - 2 GHz frequency…

We present the design, implementation, and operation of a pyramidal horn radio telescope built for detecting the Galactic 21 cm neutral hydrogen line emission. The system employs an SDR-based pipeline to obtain drift-scan observations,…

Instrumentation and Methods for Astrophysics · Physics 2025-12-23 Kaustav Bhattacharjee , Himanshu Grover , P. Arumugam

Radio emission from stars can be used, e.g., to study ionized winds or stellar flares. The radio emission is faint and studies have been limited to few objects. The Square Kilometer Array (SKA) will bring a survey ability to the topic of…

Solar and Stellar Astrophysics · Physics 2021-04-27 Bin Yu , Albert Zijlstra , Biwei Jiang

LOFAR, the Low Frequency Array, is a next-generation radio telescope that is being built in Northern Europe and expected to be fully operational at the end of this decade. It will operate at frequencies from 15 to 240 MHz (corresponding to…

The Square Kilometre Array (SKA, https://skatelescope.org) will be the world's largest radio telescope. SKA Science Data Challenges will be regularly issued to the community as part of the science preparatory activities. The purpose of…

Instrumentation and Methods for Astrophysics · Physics 2019-08-14 Anna Bonaldi , Robert Braun

{Context}. The HIFI instrument on the Herschel Space Observatory performed over 9100 astronomical observations, almost 900 of which were calibration observations in the course of the nearly four-year Herschel mission. The data from each…

We present The MKID Pipeline, a general use science data pipeline for the reduction and analysis of ultraviolet, optical and infrared (UVOIR) Microwave Kinetic Inductance Detector (MKID) data sets. This paper provides an introduction to the…

Instrumentation and Methods for Astrophysics · Physics 2022-03-04 Sarah Steiger , John I. Bailey , Nicholas Zobrist , Noah Swimmer , Rupert Dodkins , Kristina K. Davis , Benjamin A. Mazin

ORAC-DR is a general purpose data reduction pipeline system designed to be instrument and observatory agnostic. The pipeline works with instruments as varied as infrared integral field units, imaging arrays and spectrographs, and…

Instrumentation and Methods for Astrophysics · Physics 2014-12-09 Tim Jenness , Frossie Economou

LOFAR is a groundbreaking low-frequency radio telescope currently nearing completion across northern europe. As a software telescope with no moving parts, enormous fields of view and multi-beaming, it has fantastic potential for the…

High Energy Astrophysical Phenomena · Physics 2019-08-14 Rob Fender

The recently proposed orthogonal time frequency space (OTFS) modulation multiplexes data symbols in the delay-Doppler (DD) domain. Since the range and velocity, which can be derived from the delay and Doppler shifts, are the parameters of…

Signal Processing · Electrical Eng. & Systems 2023-06-21 Kecheng Zhang , Weijie Yuan , Shuangyang Li , Fan Liu , Feifei Gao , Pingzhi Fan , Yunlong Cai

We describe the signal-processing firmware and software for a frequency-domain multiplexed (FDM) biasing and demodulation system that reads out Transition Edge Sensor (TES) bolometer arrays for mm-wavelength cosmology telescopes. This…

Instrumentation and Methods for Astrophysics · Physics 2011-04-21 Graeme Smecher , Francois Aubin , Eric Bissonnette , Matt Dobbs , Peter Hyland , Kevin MacDermid

The NOAO NEWFIRM Pipeline produces instrumentally calibrated data products and data quality measurements from all exposures taken with the NOAO Extremely Wide-Field Infrared Imager (NEWFIRM) at the KPNO Mayall 4-meter telescope. We describe…

Instrumentation and Methods for Astrophysics · Physics 2009-02-10 R. A. Swaters , F. Valdes , M. E. Dickinson

The pathfinder Dragonfly Spectral Line Mapper is a distributed aperture telescope based off of the Dragonfly Telephoto Array with additional instrumentation (the Dragonfly "Filter-Tilter") to enable ultranarrow bandpass imaging. The…

Instrumentation and Methods for Astrophysics · Physics 2022-09-16 Deborah M. Lokhorst , Seery Chen , Imad Pasha , Jeff Shen , Evgeni I. Malakhov , Roberto G. Abraham , Pieter van Dokkum

The latest generation of radio astronomy interferometers will conduct all sky surveys with data products consisting of petabytes of spectral line data. Traditional approaches to identifying and parameterising the astrophysical sources…

Instrumentation and Methods for Astrophysics · Physics 2014-07-21 Stefan Westerlund , Christopher Harris