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One of the science drivers of the new Low Frequency Array (LOFAR) is large-area surveys of the low-frequency radio sky. Realizing this goal requires automated processing of the interferometric data, such that fully calibrated images are…

The primary task of the 1.26-m telescope jointly operated by the National Astronomical Observatory and Guangzhou University is photometric observations of the g, r, and i bands. A data processing pipeline system was set up with mature…

Instrumentation and Methods for Astrophysics · Physics 2020-05-27 Weirong Huang , Zhou Xie , Wenjie Zhong , Ying Mei , Hui Deng , Yingbo Liu , Feng Wang

The spherical harmonics $m$-mode decomposition is a powerful sky map reconstruction method suitable for radio interferometers operating in transit mode. It can be applied to various configurations, including dish arrays and cylinders. We…

Instrumentation and Methods for Astrophysics · Physics 2016-07-27 Jiao Zhang , Reza Ansari , Xuelei Chen , Jean-Eric Campagne , Christophe Magneville , Fengquan Wu

This paper presents the first, 15-PetaFLOP Deep Learning system for solving scientific pattern classification problems on contemporary HPC architectures. We develop supervised convolutional architectures for discriminating signals in…

The Murchison Widefield Array (MWA) is a next-generation radio telescope currently under construction in the remote Western Australia Outback. Raw data will be generated continuously at 5GiB/s, grouped into 8s cadences. This high throughput…

Instrumentation and Methods for Astrophysics · Physics 2015-05-18 R. G. Edgar , M. A. Clark , K. Dale , D. A. Mitchell , S. M. Ord , R. B. Wayth , H. Pfister , L. J. Greenhill

FMRI data are noisy, complicated to acquire, and typically go through many steps of processing before they are used in a study or clinical practice. Being able to visualize and understand the data from the start through the completion of…

Neurons and Cognition · Quantitative Biology 2024-11-21 Richard C. Reynolds , Daniel R. Glen , Gang Chen , Ziad S. Saad , Robert W. Cox , Paul A. Taylor

Understanding dark energy requires precision measurements of the expansion history of the universe and the growth of large-scale structure. The 21 cm intensity mapping (21 cm IM) technique enables rapid large-area surveys that can deliver…

Cosmology and Nongalactic Astrophysics · Physics 2025-11-25 Jun-Da Pan , Yichao Li , Guo-Hong Du , Tian-Nuo Li , Xin Zhang

The capability of the Terrestrial Planet Finder Interferometer (TPF-I) for planetary signal extraction, including both detection and spectral characterization, can be optimized by taking proper account of instrumental characteristics and…

Astrophysics · Physics 2008-11-26 K. A. Marsh , T. Velusamy , B. Ware

The Tangerine project aims to develop new state-of-the-art high-precision silicon detectors. Part of the project has the goal of developing a monolithic active pixel sensor using a novel 65 nm CMOS imaging process, with a small collection…

Current and future astronomical survey facilities provide a remarkably rich opportunity for transient astronomy, combining unprecedented fields of view with high sensitivity and the ability to access previously unexplored wavelength…

High redshift measurements of the baryonic acoustic oscillation scale (BAO) from large Ly-alpha forest surveys represent the next frontier of dark energy studies. As part of this effort, efficient simulations of the BAO signature from the…

Cosmology and Nongalactic Astrophysics · Physics 2015-05-28 Bradley Greig , James S. Bolton , J. Stuart B. Wyithe

Intensity mapping -- the large-scale mapping of selected spectral lines without resolving individual sources -- is quickly emerging as an efficient way to conduct large cosmological surveys. Multiple surveys covering a variety of lines…

Cosmology and Nongalactic Astrophysics · Physics 2025-01-22 Hannah Fronenberg , Adrian Liu

We present the data processing pipeline to generate calibrated data products from the Spectral and Photometric Imaging Receiver (SPIRE) imaging Fourier Transform Spectrometer on the Herschel Space Observatory. The pipeline processes…

The Baryon Mapping eXperiment (BMX) is an interferometric array designed as a pathfinder for a future post-reionization 21 cm intensity mapping survey. It consists of four 4-meter parabolic reflectors each having offset pyramidal horn feed,…

We present a new pipeline utilizing machine learning for classifying short-duration features in raw time-ordered data (TOD) of cosmic microwave background survey observations. The pipeline, specifically designed for the Atacama Cosmology…

This paper presents the DDF Pipeline, a radio astronomy data processing tool initially designed for the LOw-Frequency ARray (LO- FAR) radio-telescope and a candidate for processing data from the Square Kilometre Array (SKA). This work…

Instrumentation and Methods for Astrophysics · Physics 2025-09-04 Mathis Certenais , François Bodin , Laurent Morin

MagAO-X is an extreme adaptive optics (ExAO) instrument for the Magellan Clay 6.5-meter telescope at Las Campanas Observatory in Chile. Its high spatial and temporal resolution can produce data rates of 1 TB/hr or more, including all AO…

TianQin is a proposed geocentric space-based gravitational wave observatory mission, which requires time-delay interferometry (TDI) to cancel laser frequency noise. With high demands for precision, solar-wind plasma environment at $\sim…

General Relativity and Quantum Cosmology · Physics 2022-12-26 Yi-De Jing , Lu Zheng , Shutao Yang , Xuefeng Zhang , Lingfeng Lu , Binbin Tang , Wei Su

As the model size continuously increases, pipeline parallelism shows great promise in throughput-oriented LLM inference due to its low demand on communications. However, imbalanced pipeline workloads and complex data dependencies in the…

Distributed, Parallel, and Cluster Computing · Computer Science 2025-06-13 Hongbin Zhang , Taosheng Wei , Zhenyi Zheng , Jiangsu Du , Zhiguang Chen , Yutong Lu

The 21 cm radiation of neutral hydrogen provides crucial information for studying the early universe and its evolution. To advance this research, countries have made significant investments in constructing large low-frequency radio…

Instrumentation and Methods for Astrophysics · Physics 2025-08-04 Ming-wei Qin , Rui Tang , Ying-hui Zhou , Chang-jun Lan , Wen-hao Fu , Huan Wang , Bao-lin Hou , Zamri , Jin-song Ping , Wen-jun Yang , Liang Dong
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