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The High Sensitivity Terahertz Detection Module (HSTDM), a key component of the backend modules on board the China Space Station Telescope (CSST), will offer great opportunities for the discovery of Terahertz Astronomy, with implications…

Instrumentation and Methods for Astrophysics · Physics 2025-11-14 SiYuan Tan , WenYin Duan , YiLong Zhang , YiPing Ao , Yan Gong , ZhenHui Lin , Xuan Zhang , Yong Shi , Jing Tang , Jing Li , RuiQing Mao , Sheng-Cai Shi

Emerging wireless applications such as 5G cellular, large intelligent surfaces (LIS), and holographic massive MIMO require antenna array processing at mm-wave frequencies with large numbers of independent digital transceivers. This paper…

The digital correlator is one of the most crucial data processing components of a radio telescope array. With the scale of radio interferometeric array growing, many efforts have been devoted to developing a cost-effective and scalable…

Instrumentation and Methods for Astrophysics · Physics 2024-06-28 Zhao Wang , Ji-Xia Li , Ke Zhang , 1 Feng-Quan Wu , Hai-Jun Tian , Chen-Hui Niu , Ju-Yong Zhang , Zhi-Ping Chen , Dong-Jin Yu , Xue-Lei Chen

A variety of pulsar studies, ranging from high precision astrometry to tests for theories of gravity, require high time resolution data. Few such observations at more than two frequencies below 1 GHz are available. Giant Meterwave Radio…

Astrophysics · Physics 2007-05-23 Bhal Chandra Joshi , Sunil Ramakrishna

Research in ultrasound imaging is limited in reproducibility by two factors: First, many existing ultrasound pipelines are protected by intellectual property, rendering exchange of code difficult. Second, most pipelines are implemented in…

Computer Vision and Pattern Recognition · Computer Science 2018-05-11 Rüdiger Göbl , Nassir Navab , Christoph Hennersperger

We propose, implement, and experimentally evaluate a runtime middleware to support high-throughput execution on hybrid cluster machines of large-scale analysis applications. A hybrid cluster machine consists of computation nodes which have…

Distributed, Parallel, and Cluster Computing · Computer Science 2012-09-18 George Teodoro , Tony Pan , Tahsin M. Kurc , Jun Kong , Lee A. D. Cooper , Joel H. Saltz

As a dedicated synthetic aperture radio interferometer, the MingantU SpEctral Radioheliograph (MUSER), initially known as the Chinese Spectral RadioHeliograph (CSRH), has entered the stage of routine observation. More than 23 million data…

Instrumentation and Methods for Astrophysics · Physics 2017-06-28 Congming Shi , Feng Wang , Hui Deng , Yingbo Liu , Cuiyin Liu , Shoulin Wei

The challenge to fully exploit the potential of existing and upcoming scientific instruments like large single-dish radio telescopes is to process the collected massive data effectively and efficiently. As a "quasi 2D stencil computation"…

Distributed, Parallel, and Cluster Computing · Computer Science 2022-07-12 Hao Wang , Ce Yu , Jian Xiao , Shanjiang Tang , Min Long , Ming Zhu

Reservoir computing, renowned for its low training cost, has emerged as a promising lightweight paradigm for efficient spatiotemporal processing,it remains challenging to realize deep photonic reservoir computing (DPRC) systems, due to the…

HIPSR (HI-Pulsar) is a digital signal processing system for the Parkes 21-cm Multibeam Receiver that provides larger instantaneous bandwidth, increased dynamic range, and more signal processing power than the previous systems in use at…

Instrumentation and Methods for Astrophysics · Physics 2017-05-15 D. C. Price , L. Staveley-Smith , M. Bailes , E. Carretti , A. Jameson , M. E. Jones , W. van Straten , S. W. Schediwy

Sentinel-5P (S5P) satellite provides atmospheric measurements for air quality and climate monitoring. While the S5P satellite offers rich spectral resolution, it inherits physical limitations that restricts its spatial resolution.…

Image and Video Processing · Electrical Eng. & Systems 2025-01-30 Hyam Omar Ali , Romain Abraham , Bruno Galerne

Hyperspectral images, which store a hundred or more spectral bands of reflectance, have become an important data source in natural and social sciences. Hyperspectral images are often generated in large quantities at a relatively coarse…

Computer Vision and Pattern Recognition · Computer Science 2022-04-29 Kangning Cui , Ruoning Li , Sam L. Polk , James M. Murphy , Robert J. Plemmons , Raymond H. Chan

We consider wireless networks of remote radio heads (RRH) with large antenna-arrays, operated in TDD, with uplink (UL) training and channel-reciprocity based downlink (DL) transmission. To achieve large area spectral efficiencies, we…

Information Theory · Computer Science 2017-01-26 Ozgun Y. Bursalioglu , Chenwei Wang , Haralabos Papadopoulos , Giuseppe Caire

The amount of remote sensing data available to applications is constantly growing due to the rise of very-high-resolution sensors and short repeat cycle satellites. Consequently, tackling computational complexity in Earth Observation…

Distributed, Parallel, and Cluster Computing · Computer Science 2016-09-29 Remi Cresson

We present an implementation of the coherent dedispersion algorithm capable of dedispersing high-time-resolution radio observations to many different dispersion measures (DMs). This approach allows the removal of the dispersive effects of…

Instrumentation and Methods for Astrophysics · Physics 2016-07-05 C. G. Bassa , Z. Pleunis , J. W. T. Hessels

We present a power spectrum analysis of interferometric 21 cm observations of the Ursa Major high-latitude cirrus, obtained with the Dominion Radio Astrophysical Observatory (DRAO) of Penticton (Canada). These high-resolution data reveal…

Astrophysics · Physics 2009-11-10 M. -A. Miville-Deschenes , G. Joncas , E. Falgarone , F. Boulanger

The GMRT Online Archive now houses over 120 terabytes of interferometric observations obtained with the GMRT since the observatory began operating as a facility in 2002. The utility of this vast data archive, likely the largest of any…

Instrumentation and Methods for Astrophysics · Physics 2018-12-11 Shubhankar Deshpande , Yogesh Wadadekar , Huib Intema , B. Ratnakumar , Lijo George , Rathin Desai , Archit Sakhadeo , Shadab Shaikh , C. H. Ishwara-Chandra , Divya Oberoi

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

This paper studies the problem of broadcasting real-time flows in multi-hop wireless networks. We consider that each packet has a stringent deadline, and each node in the network obtains some utility based on the number of packets delivered…

Networking and Internet Architecture · Computer Science 2019-01-24 Aria HasanzadeZonuzy , I-Hong Hou , Srinivas Shakkottai