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The Five-hundred-meter Aperture Spherical radio Telescope (FAST), the largest single dish radio telescope in the world, has implemented an innovative technology for its huge reflector, which changes the shape of the primary reflector from…

天体物理仪器与方法 · 物理学 2021-01-06 Jian-Ling Li , Bo Peng , Cheng-Jin Jin , Hui Li , Richard G. Strom , Bin Liu , Xiao-Ming Chai , Li-Jia Liu

Radio frequency interference (RFI) detection and excision are key steps in the data-processing pipeline of the Five-hundred-meter Aperture Spherical radio Telescope (FAST). Because of its high sensitivity and large data rate, FAST requires…

天体物理仪器与方法 · 物理学 2020-06-14 Zhicheng Yang , Ce Yu , Jian Xiao , Bo Zhang

The Five-hundred-meter Aperture Spherical radio Telescope (FAST) is the most sensitive ground-based, single-dish radio telescope on Earth. However, the original HI spectra produced by FAST are affected by standing waves. To maximize the…

天体物理仪器与方法 · 物理学 2022-08-03 De-Jian Liu , Ye Xu , Ying-Jie Li , Ze-Hao Lin , Shuai-Bo Bian , Chao-Jie Hao

Having achieved 'first-light' right before the opening ceremony on September 25, 2016, the Five-hundred-meter Aperture Spherical radio Telescope (FAST) is being busily commissioned. Its innovative design requires ~1000 points to be measured…

天体物理仪器与方法 · 物理学 2018-05-09 Di Li , Pei Wang , Lei Qian , Marko Krco , Alex Dunning , Peng Jiang , Youling Yue , Chenjin Jin , Yan Zhu , Zhichen Pan , Rendong Nan

Five-hundred-meter Aperture Spherical radio Telescope (FAST) is a Chinese mega-science project to build the largest single dish radio telescope in the world. Its innovative engineering concept and design pave a new road to realize a huge…

天体物理仪器与方法 · 物理学 2011-06-01 Rendong Nan , Di Li , Chengjin Jin , Qiming Wang , Lichun Zhu , Wenbai Zhu , Haiyan Zhang , Youling Yue , Lei Qian

In manufacturing processes, surface inspection is a key requirement for quality assessment and damage localization. Due to this, automated surface anomaly detection has become a promising area of research in various industrial inspection…

Precise cosmological measurements are essential for understanding the evolution of the universe and the nature of dark energy. The Five-hundred-meter Aperture Spherical Telescope (FAST), the most sensitive single-dish radio telescope, has…

宇宙学与河外天体物理 · 物理学 2025-01-23 Jun-Da Pan , Peng-Ju Wu , Guo-Hong Du , Yichao Li , Xin Zhang

The Five-Hundred-Meter Aperture Spherical Radio Telescope(FAST) is the largest single-dish radio telescope in the world. In this paper, we make forecast on the FAST HI large scale structure survey by mock observations. We consider a drift…

宇宙学与河外天体物理 · 物理学 2020-03-30 Wenkai Hu , Xin Wang , Fengquan Wu , Yougang Wang , Pengjie Zhang , Xuelei Chen

The Five-hundred-meter Aperture Spherical radio Telescope (FAST) was completed with its main structure installed on September 25, 2016, after which it entered the commissioning phase. This paper aims to introduce the commissioning progress…

The Five-hundred-meter Aperture Spherical radio Telescope (FAST) has the largest aperture and a 19-beam L-band receiver, making it powerful for investigating the neutral hydrogen atomic gas (HI) in the universe. We present HiFAST…

With the continuing advances in scientific instrumentation, scanning microscopes are now able to image physical systems with up to sub-atomic-level spatial resolutions and sub-picosecond time resolutions. Commensurately, they are generating…

FAST, the largest single-dish radio telescope in the world, has a 500-meter diameter main reflector and a 300-meter diameter illumination area. It has a shape variable main reflector, which changes the shape of the illuminated area in the…

天体物理仪器与方法 · 物理学 2020-02-05 Ding-qiang Su , Hua Bai , Xiangqun Cui

As new large-scale astronomical surveys greatly increase the number of objects targeted and discoveries made, the requirement for efficient follow-up observations is crucial. Adaptive optics imaging, which compensates for the image-blurring…

The Five-hundred-meter Aperture Spherical Telescope (FAST) is the world's largest single-dish radio telescope, and the search for extraterrestrial intelligence (SETI) is one of its five key science objectives. We conducted a targeted…

天体物理仪器与方法 · 物理学 2025-09-09 Guang-Yuan Song , Zhen-Zhao Tao , Bo-Lun Huang , Yan Cui , Bo Yu , Tong-Jie Zhang

The standing waves existed in radio telescope data are primarily due to reflections among the instruments, which significantly impact the spectrum quality of the Five-hundred-meter Aperture Spherical radio Telescope (FAST). Eliminating…

Large area surveys will dominate the forthcoming decades of astronomy and their success requires characterizing thousands of discoveries through additional observations at higher spatial or spectral resolution, and at complementary cadences…

天体物理仪器与方法 · 物理学 2021-11-10 Christoph Baranec , Reed Riddle , Nicholas M. Law

Obstacle Detection is a central problem for any robotic system, and critical for autonomous systems that travel at high speeds in unpredictable environment. This is often achieved through scene depth estimation, by various means. When fast…

机器人学 · 计算机科学 2016-07-22 Michele Mancini , Gabriele Costante , Paolo Valigi , Thomas A. Ciarfuglia

The 500-meter Aperture Spherical Radio Telescope(FAST) has an active reflector. During the observation, the reflector will be deformed into a paraboloid of 300-meters. To improve its surface accuracy, we propose a scheme for photogrammetry…

天体物理仪器与方法 · 物理学 2019-09-27 Zhi-Song Zhang , Li-Chun Zhu , Wei Tang , Xin-Yi Li

The Five-hundred-meter Aperture Spherical radio Telescope(FAST) was launched on September 25,2016.From early 2017,we began to use the FAST wideband receiver,which was designed,constructed and installed on the FAST in Guizhou,China.The front…

天体物理仪器与方法 · 物理学 2020-05-27 Xin-xin Zhang , Ran Duan , Xin-ying Yu , Di Li , Ning-yu Tang , Dao-chong Qing

Diffuse Reflectance Spectroscopy (DRS) is a well-established optical technique for tissue composition assessment which has been clinically evaluated for tumour detection to ensure the complete removal of cancerous tissue. While point-wise…

机器人学 · 计算机科学 2025-03-12 Kaizhong Deng , Christopher J. Peters , George P. Mylonas , Daniel S. Elson
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