电子学报2016，Vol.44Issue(10)：2556-2560,5.DOI:10.3969/j.issn.0372-2112.2016.10.039
基于相关测量MUSER馈源轴比的方法研究
Research of Measuring Axis Ratio of MUSER’s Feed Based on CorreIation
摘要
Abstract
The MUSER(Mingantu SpEctral Radioheliograph)is a new generation of solar dedicated radio telescope. Its ultra-wide band dual-circular polarized feed is one of the key technologies.AR (Axis Ratio)is an important parameter for measuring feed efficiency.The traditional AR measurement needs the involvement of the standard antenna.In this paper, the method by measuring correlation is adopted to measure AR of feeds for MUSER.Since MUSER has numbers of antennas and located in harsh environments,according to the demand of astronomical observations,the performance of the antennas should be measured frequently.This method simplifies the process of AR measurement of the interferometric array and can obtain accurate results efficiently.The measuring process are presented in detail in this paper.In addition,the results of AR measurement show the favourable characteristics of the feeds for MUSER.关键词
综合孔径/明安图射电频谱日像仪/圆极化/轴比Key words
synthetic aperture/Mingantu spectral radioheliograph/circular polarization/axis ratio分类
天文与地球科学引用本文复制引用
苏仓,王威,颜毅华..基于相关测量MUSER馈源轴比的方法研究[J].电子学报,2016,44(10):2556-2560,5.基金项目
国家重大科研装备研制项目（No．ZDYZ2009-3）；国家自然科学基金（No．11221063，No．Y011141001）；天文联合基金重点项目（No． U1231205）；青年基金 （）
