典型文献
A Study on Non-coplanar Baseline Effects for Mingantu Spectral Radioheliograph
文献摘要：
As a dedicated solar radioheliograph,the MingantU SpEctral RadioHeliograph(MUSER)has a maximum baseline of more than 3000 m and a frequency range of 400 MHz-15 GHz.According to the classical radio interferometry theory,the non-coplanar baseline effect(i.e.,w-term effect)would be considered and calibrated for such a radio instrument.However,little previous literature made the qualitative or quantitative analyses on w-term effects of solar radioheliograph in-depth.This study proposes a complete quantitative analysis of w-term effects for the MUSER.After a brief introduction of the MUSER,we systematically investigate the baseline variations over a year and analyze the corresponding variations of w-term.We further studied the effects of the w-term in the imaging for the specified extended source,i.e.,the Sun.We discussed the possible effects of the w-term,such as image distortion and so on.The simulated results show that the w-term is an essential and unavoidable issue for solar radio imaging with high spatial resolution.
文献关键词：
中图分类号：
作者姓名：
Qiu-Ping Yang;Feng Wang;Hui Deng;Ying Mei;Wei Wang
作者机构：
Yunnan Observatories,Chinese Academy of Sciences,Kunming 650216,China;Faculty of Information Engineering and Automation,Kunming University of Science and Technology,Kunming 650500,China;University of Chinese Academy of Sciences,Beijing 100049,China;Center of Astrophysics,Guangzhou University,Guangzhou 510006,China;National Astronomical Observatories,Chinese Academy of Sciences,Beijing 100101,China
文献出处：
引用格式：
[1]Qiu-Ping Yang;Feng Wang;Hui Deng;Ying Mei;Wei Wang-.A Study on Non-coplanar Baseline Effects for Mingantu Spectral Radioheliograph)[J].天文和天体物理学研究,2022(10):103-110
A类：
Mingantu,Radioheliograph,radioheliograph,MingantU,SpEctral,RadioHeliograph,MUSER
B类：
Study,Non,coplanar,Baseline,Effects,Spectral,dedicated,solar,has,maximum,baseline,more,than,frequency,range,MHz,GHz,According,classical,interferometry,theory,term,would,be,considered,calibrated,such,instrument,However,little,previous,literature,made,qualitative,quantitative,analyses,effects,depth,This,study,proposes,complete,analysis,After,brief,introduction,systematically,investigate,variations,over,year,analyze,corresponding,We,further,studied,imaging,specified,extended,source,Sun,discussed,possible,image,distortion,simulated,results,show,that,essential,unavoidable,issue,high,spatial,resolution
AB值：
0.512025
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