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相关论文: SDHDF: A new file format for spectral-domain radio…

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For decades now, scientific data volumes have experienced relentless, exponential growth. As a result, legacy astronomical data formats are straining under a burden not conceived when these formats were first introduced. With future…

天体物理仪器与方法 · 物理学 2010-12-13 Kenneth Anderson , Anastasia Alexov , Lars Baehren , Jean-Mathias Griessmeier , Michael Wise , Adriaan Renting

The FITS (Flexible Image Transport System) data format was developed in the late 1970s for storage and exchange of astronomy-related image data. Since then, it has become a standard file format not only for images, but also for radio…

天体物理仪器与方法 · 物理学 2014-11-04 Danny C. Price , Benjamin R. Barsdell , Lincoln J. Greenhill

Radio-astronomy is about to embark on a new way of doing science. The revolution that is about to take place is not due to the enormous sensitivity of the Square Kilometre Array, which is still a decade away, but due to its pathfinders,…

天体物理仪器与方法 · 物理学 2015-05-20 Ray P. Norris

The Deep Space Network (DSN) enables NASA to communicate with its spacecraft in deep space. By virtue of its large antennas, the DSN can also be used as a powerful instrument for radio astronomy. Specifically, Deep Space Station (DSS) 43,…

天体物理仪器与方法 · 物理学 2020-10-28 Kristen Virkler , Jonathon Kocz , Melissa Soriano , Shinji Horiuchi , Jorge L. Pineda , Tyrone McNichols

We review some aspects of the current state of data-intensive astronomy, its methods, and some outstanding data analysis challenges. Astronomy is at the forefront of "big data" science, with exponentially growing data volumes and data…

天体物理仪器与方法 · 物理学 2014-11-04 G. Longo , M. Brescia , S. G. Djorgovski , S. Cavuoti , C. Donalek

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…

天体物理仪器与方法 · 物理学 2014-07-21 Stefan Westerlund , Christopher Harris

The FITS (Flexible Image Transport System) data format has been the de facto data format for astronomy-related data products since its inception in the late 1970s. While the FITS file format is widely supported, it lacks many of the…

天体物理仪器与方法 · 物理学 2015-10-21 D. C. Price , B. R. Barsdell , L. J. Greenhill

The new wide-field radio telescopes, such as: ASKAP, MWA, and SKA; will produce spectral-imaging data-cubes (SIDC) of unprecedented volume. This requires new approaches to managing and servicing the data to the end-user. We present a new…

天体物理仪器与方法 · 物理学 2012-09-11 Vyacheslav V. Kitaeff , Chen Wu , Andreas Wicenec , Andrew D. Cannon , Kevin Vinsen

The next-generation astronomy digital archives will cover most of the universe at fine resolution in many wave-lengths, from X-rays to ultraviolet, optical, and infrared. The archives will be stored at diverse geographical locations. One of…

数据库 · 计算机科学 2016-08-31 Alexander S. Szalay , Peter Kunszt , Ani Thakar , Jim Gray

The new wide-field radio telescopes, such as: ASKAP, MWA, LOFAR, eVLA and SKA; will produce spectral-imaging data-cubes (SIDC) of unprecedented size -- in the order of hundreds of Petabytes. Servicing such data as images to the end-user in…

天体物理仪器与方法 · 物理学 2014-07-02 Vyacheslav V. Kitaeff , Andrew Cannon , Andreas Wicenec , David Taubman

In very-high-energy (VHE) gamma-ray astronomy, the community is converging towards the use of a common open data format, called "Data formats for Gamma-ray Astronomy", for the high-level data products. This format is in use for ground-based…

天体物理仪器与方法 · 物理学 2023-08-28 B. Khélifi , R. Zanin , K. Kosack , L. Olivera-Nieto , J. Schnabel

The next-generation astronomy archives will cover most of the universe at fine resolution in many wavelengths. One of the first of these projects, the Sloan Digital Sky Survey (SDSS) will create a 5-wavelength catalog over 10,000 square…

天体物理学 · 物理学 2010-04-23 Alexander S. Szalay , Peter Kunszt , Anirudha Thakar , Jim Gray , Don Slutz

Despite almost all being acquired as photons, astronomical data from different instruments and at different stages in its life may exist in different formats to serve different purposes. Beyond the data itself, descriptive information is…

天体物理仪器与方法 · 物理学 2015-07-15 Jessica D. Mink

A novel unified frequency diverse array (FDA) and spatial data focusing (SDF) approach is proposed to simultaneously overcome time-variance and precision constraints of conventional FDA in geocasting, i.e., spatially confined broadcasting,…

信号处理 · 电气工程与系统科学 2023-02-27 Guylian Molineaux , Francois Horlin , Philippe De Doncker , Julien Sarrazin

The New Vacuum Solar Telescope (NVST) is a 1-m solar telescope that aims to observe the fine structures in both the photosphere and the chromosphere of the Sun. The observational data acquired simultaneously from one channel for the…

天体物理仪器与方法 · 物理学 2016-12-23 Ying-bo Liu , Feng Wang , Hui Deng , Kai-fan Ji , Wei Dai , Shou-lin Wei , Bo Liang , Xiao-li Zhang

With the rapid advancements in observational technologies and the widespread implementation of large-scale sky surveys, diverse electromagnetic wave data (e.g., optical and infrared) and non-electromagnetic wave data (e.g., gravitational…

天体物理仪器与方法 · 物理学 2026-03-03 Wujun Shao , Dongwei Fan , Chenzhou Cui , Yunfei Xu , Shirui Wei , Xin Lyu

Radio astronomy observations in the coming decade will require new levels of sensitivity while mapping large regions of space with much greater efficiency than is achieved with current telescopes. This requires new instrumentation with the…

天体物理仪器与方法 · 物理学 2009-09-30 Matthew A. Morgan , J. Richard Fisher

The modern practice of Radio Astronomy is characterized by extremes of data volume and rates, principally because of the direct relationship between the signal to noise ratio that can be achieved and the need to Nyquist sample the RF…

信息论 · 计算机科学 2014-05-23 Tim Natusch

Recently, several new solar radio telescopes have been put into operation and provided spectral-imaging observations with much higher resolutions in decimeter (dm) and centimeter (cm) wavelengths. These telescopes include the Mingantu…

太阳与恒星天体物理 · 物理学 2023-11-27 Baolin Tan , Yihua Yan , Jing Huang , Yin Zhang , Chengming Tan , Xiaoshuai Zhu

In time-domain astronomy, STLF (Short-Timescale and Large Field-of-view) sky survey is the latest way of sky observation. Compared to traditional sky survey who can only find astronomical phenomena, STLF sky survey can even reveal how short…

数据库 · 计算机科学 2018-11-28 Chen Yang , Xiaofeng Meng , Zhihui Du , JiaMing Qiu , Kenan Liang , Yongjie Du , Zhiqiang Duan , Xiaobin Ma , Zhijian Fang
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