DiFX-2: a more flexible, efficient, robust, and powerful software correlator

AT Deller, WF Brisken, CJ Phillips… - Publications of the …, 2011 - iopscience.iop.org
Software correlation, where a correlation algorithm written in a high-level language such as
C++ is run on commodity computer hardware, has become increasingly attractive for small …

DiFX: a software correlator for very long baseline interferometry using multiprocessor computing environments

AT Deller, SJ Tingay, M Bailes… - Publications of the …, 2007 - iopscience.iop.org
We describe the development of an FX‐style correlator for very long baseline interferometry
(VLBI), implemented in software and intended to run in multiprocessor computing …

A scalable correlator architecture based on modular FPGA hardware, reuseable gateware, and data packetization

A Parsons, D Backer, A Siemion, H Chen… - Publications of the …, 2008 - iopscience.iop.org
ABSTRACT A new generation of radio telescopes is achieving unprecedented levels of
sensitivity and resolution, as well as increased agility and field of view, by employing high …

The shapes of cross-correlation interferometers

E Keto - The Astrophysical Journal, 1997 - iopscience.iop.org
Cross-correlation imaging interferometers designed in the shape of a curve of constant width
offer better sensitivity and imaging characteristics than other designs because they sample …

[HTML][HTML] The SFXC software correlator for very long baseline interferometry: algorithms and implementation

A Keimpema, MM Kettenis, SV Pogrebenko… - Experimental …, 2015 - Springer
In this paper a description is given of the SFXC software correlator, developed and
maintained at the Joint Institute for VLBI in Europe (JIVE). The software is designed to run on …

The ALMA Interferometric Pipeline Heuristics

TR Hunter, R Indebetouw, CL Brogan… - Publications of the …, 2023 - iopscience.iop.org
We describe the calibration and imaging heuristics developed and deployed in the Atacama
Large Millimeter/submillimeter Array (ALMA) interferometric data processing pipeline, as of …

Distributed radio interferometric calibration

S Yatawatta - Monthly Notices of the Royal Astronomical Society, 2015 - academic.oup.com
Increasing data volumes delivered by a new generation of radio interferometers require
computationally efficient and robust calibration algorithms. In this paper, we propose …

Revised filter profiles and zero points for broadband photometry

AW Mann, K von Braun - … of the Astronomical Society of the …, 2015 - iopscience.iop.org
Estimating accurate bolometric fluxes for stars requires reliable photometry to absolutely flux
calibrate the spectra. This is a significant problem for studies of very bright stars, which are …

A digital correlator upgrade for the Arcminute MicroKelvin Imager

J Hickish, N Razavi-Ghods, YC Perrott… - Monthly Notices of …, 2018 - academic.oup.com
Abstract The Arcminute Microkelvin Imager (AMI) telescopes located at the Mullard Radio
Astronomy Observatory near Cambridge have been significantly enhanced by the …

Phases in interferometry

JD Monnier - New Astronomy Reviews, 2007 - Elsevier
While interference fringes contain both amplitude and phase information, most
interferometric results published to date focus solely on the amplitude data. This is because …