English
Related papers

Related papers: Expanding e-MERLIN with the Goonhilly Earth Statio…

200 papers

In the recent years, interferometric arrays of optical telescopes have reached sizes of the order of 100m, but they have yet to produce high-resolution images. The analysis of image formation now shows that such images are obtainable…

Astrophysics · Physics 2009-09-25 Antoine Labeyrie

The capabilities of the Global mm-VLBI Array are summarized and demonstrated through actual images from our monitoring of extragalactic radio jets. This sensitive 3mm-VLBI interferometer is able to provide images of up to 50 microarcseconds…

The sky-averaged brightness temperature of the 21cm line from neutral hydrogen provides a sensitive probe of the thermal state of the intergalactic medium, particularly before and during Cosmic Dawn and the Epoch of Reionisation. This…

The eSMA ("extended SMA") combines the SMA, JCMT and CSO into a single facility, providing enhanced sensitivity and spatial resolution owing to the increased collecting area at the longest baselines. Until ALMA early science observing…

The use of large-scale antenna arrays can bring substantial improvements in energy and/or spectral efficiency to wireless systems due to the greatly improved spatial resolution and array gain. Recent works in the field of massive…

Information Theory · Computer Science 2014-12-10 Emil Björnson , Jakob Hoydis , Marios Kountouris , Mérouane Debbah

Current cellular systems achieve high spectral efficiency through Massive MIMO, which leverages an abundance of antennas to create favorable propagation conditions for multiuser spatial multiplexing. Looking towards future networks, the…

Information Theory · Computer Science 2026-01-14 Emil Björnson , Amna Irshad , Özlem Tugfe Demir , Giuseppe Thadeu Freitas de Abreu , Alva Kosasih , Vitaly Petrov

EAS arrays are survey instruments able to monitor continuously all the overhead sky. Their sensitivity in the sub-TeV/TeV energy domain cannot compete with that of Cherenkov telescopes, but the wide field of view (about 2 sr) is ideal to…

High Energy Astrophysical Phenomena · Physics 2019-04-04 G. Di Sciascio

Digital radio arrays have become an effective tool to measure air showers at energies around and above 100 PeV. Compared to optical techniques, the radio technique is not restricted to clear nights. Thanks to recent progress on…

High Energy Astrophysical Phenomena · Physics 2022-04-28 Frank G. Schröder

The Ultra-Long Wavelength (ULW) regime of longer than 10 m (corresponding to frequencies below 30 MHz), remains as the last virtually unexplored window in radio astronomy, and is presently attracting considerable attention as an area of…

Instrumentation and Methods for Astrophysics · Physics 2019-09-04 Linjie Chen , Yihua Yan

This paper describes a 50 MHz system being developed for GMRT to provide imaging capability in the frequency range 30-90MHz. Due to its larger collecting area and higher antenna efficiency, the low frequency GMRT system will be several…

Instrumentation and Methods for Astrophysics · Physics 2009-05-12 N. Udaya Shankar , K. S. Dwarakanath , Shahram Amiri , R. Somashekar , B. S. Girish , Wences Laus , Arvind Nayak

The global network of gravitational-wave detectors has completed three observing runs with $\sim 50$ detections of merging compact binaries. A third LIGO detector, with comparable astrophysical reach, is to be built in India (LIGO-Aundha)…

Advances in Earth observation (EO) foundation models have unlocked the potential of big satellite data to learn generic representations from space, benefiting a wide range of downstream applications crucial to our planet. However, most…

Gravitational lenses offer the possibility of accurately determining the Hubble parameter (H_0) over cosmological distances, and B0218+357 is one of the most promising systems for an application of this technique. In particular this system…

Astrophysics · Physics 2007-05-23 A. D. Biggs , I. W. A. Browne , T. W. B. Muxlow , P. N. Wilkinson

One of the most relevant challenges in future 6G wireless networks is how to support a massive spatial multiplexing of a large number of user terminals. Recently, extremely large antenna arrays (ELAAs), also referred to as extra-large MIMO…

Information Theory · Computer Science 2023-12-01 Adrian Agustin , Xavier Mestre

We present results of performance modelling for METIS, the Mid-infrared European Extremely Large Telescope (E-ELT) Imager and Spectrograph. Designed by a consortium of NOVA (Netherlands), UK Astronomy Technology Centre (UK), MPIA Heidelberg…

Instrumentation and Methods for Astrophysics · Physics 2015-05-19 Sarah Kendrew , Laurent Jolissaint , Bernhard Brandl , Rainer Lenzen , Eric Pantin , Alistair Glasse , Joris Blommaert , Lars Venema , Ralf Siebenmorgen , Frank Molster

In this proceeding, we summarize the key science goals and reference design for a next-generation Very Large Array (ngVLA) that is envisaged to operate in the 2030s. The ngVLA is an interferometric array with more than 10 times the…

Instrumentation and Methods for Astrophysics · Physics 2018-08-22 Eric J. Murphy

Extremely large-scale multiple-input multiple-output (XL-MIMO) is the development trend of future wireless communications. However, the extremely large-scale antenna array could bring inevitable nearfield and dual-wideband effects that…

Information Theory · Computer Science 2024-09-13 Jie Xu , Li You , George C. Alexandropoulos , Xinping Yi , Wenjin Wang , Xiqi Gao

Radio astronomy has experienced phenomenal progress in recent years due to advances in digital technologies and processing speed, the development of new technologies, and the prospect for new powerful facilities A new generation of radio…

Instrumentation and Methods for Astrophysics · Physics 2018-02-26 Eduardo Ros , Dominik J. Schwarz , Christian Vocks

We propose to develop a wide-field and ultra-high-precision photometric survey mission, temporarily named "Earth 2.0 (ET)". This mission is designed to measure, for the first time, the occurrence rate and the orbital distributions of…

Instrumentation and Methods for Astrophysics · Physics 2022-06-15 Jian Ge , Hui Zhang , Weicheng Zang , Hongping Deng , Shude Mao , Ji-Wei Xie , Hui-Gen Liu , Ji-Lin Zhou , Kevin Willis , Chelsea Huang , Steve B. Howell , Fabo Feng , Jiapeng Zhu , Xinyu Yao , Beibei Liu , Masataka Aizawa , Wei Zhu , Ya-Ping Li , Bo Ma , Quanzhi Ye , Jie Yu , Maosheng Xiang , Cong Yu , Shangfei Liu , Ming Yang , Mu-Tian Wang , Xian Shi , Tong Fang , Weikai Zong , Jinzhong Liu , Yu Zhang , Liyun Zhang , Kareem El-Badry , Rongfeng Shen , Pak-Hin Thomas Tam , Zhecheng Hu , Yanlv Yang , Yuan-Chuan Zou , Jia-Li Wu , Wei-Hua Lei , Jun-Jie Wei , Xue-Feng Wu , Tian-Rui Sun , Fa-Yin Wang , Bin-Bin Zhang , Dong Xu , Yuan-Pei Yang , Wen-Xiong Li , Dan-Feng Xiang , Xiaofeng Wang , Tinggui Wang , Bing Zhang , Peng Jia , Haibo Yuan , Jinghua Zhang , Sharon Xuesong Wang , Tianjun Gan , Wei Wang , Yinan Zhao , Yujuan Liu , Chuanxin Wei , Yanwu Kang , Baoyu Yang , Chao Qi , Xiaohua Liu , Quan Zhang , Yuji Zhu , Dan Zhou , Congcong Zhang , Yong Yu , Yongshuai Zhang , Yan Li , Zhenghong Tang , Chaoyan Wang , Fengtao Wang , Wei Li , Pengfei Cheng , Chao Shen , Baopeng Li , Yue Pan , Sen Yang , Wei Gao , Zongxi Song , Jian Wang , Hongfei Zhang , Cheng Chen , Hui Wang , Jun Zhang , Zhiyue Wang , Feng Zeng , Zhenhao Zheng , Jie Zhu , Yingfan Guo , Yihao Zhang , Yudong Li , Lin Wen , Jie Feng , Wen Chen , Kun Chen , Xingbo Han , Yingquan Yang , Haoyu Wang , Xuliang Duan , Jiangjiang Huang , Hong Liang , Shaolan Bi , Ning Gai , Zhishuai Ge , Zhao Guo , Yang Huang , Gang Li , Haining Li , Tanda Li , Yuxi , Lu , Hans-Walter Rix , Jianrong Shi , Fen Song , Yanke Tang , Yuan-Sen Ting , Tao Wu , Yaqian Wu , Taozhi Yang , Qing-Zhu Yin , Andrew Gould , Chung-Uk Lee , Subo Dong , Jennifer C. Yee , Yossi Shvartzvald , Hongjing Yang , Renkun Kuang , Jiyuan Zhang , Shilong Liao , Zhaoxiang Qi , Jun Yang , Ruisheng Zhang , Chen Jiang , Jian-Wen Ou , Yaguang Li , Paul Beck , Timothy R. Bedding , Tiago L. Campante , William J. Chaplin , Jørgen Christensen-Dalsgaard , Rafael A. García , Patrick Gaulme , Laurent Gizon , Saskia Hekker , Daniel Huber , Shourya Khanna , Yan Li , Savita Mathur , Andrea Miglio , Benoît Mosser , J. M. Joel Ong , Ângela R. G. Santos , Dennis Stello , Dominic M. Bowman , Mariel Lares-Martiz , Simon Murphy , Jia-Shu Niu , Xiao-Yu Ma , László Molnár , Jian-Ning Fu , Peter De Cat , Jie Su , the ET consortium
‹ Prev 1 3 4 5 6 7 10 Next ›