Phase Calibration Using Satellite as Calibrator for Mingantu Spectral Radioheliograph
WANG Wei1,2, YAN Yi-hua1,2,3, LIU Dong-hao1,2, SU Cang1,2
1. National Astronomical Observatories, Chinese Academy of Sciences, Beijing 100101, China;
2. Key Laboratory of Solar Activity of Chinese Academy of Sciences, Beijing 100101, China;
3. University of the Chinese Academy of Sciences, Beijing 100049, China
Abstract：Mingantu Spectral Radioheliograph (MUSER) is a solar dedicated interferometric array using synthetic aperture imaging technology.There aren't redundant baselines in MUSER in order to make full use of these antennas,which requires an external signal source to carry out system calibration.This paper describes phase calibration of MUSER by using the geostationary satellite as calibrator.Some observations and results are introduced as well.We analyzed the advantages and disadvantages of the satellite as a calibrator,as well as the effect on image quality.
王威, 颜毅华, 刘东浩, 苏仓. 利用卫星对明安图射电频谱日像仪的相位校准研究[J]. 电子学报, 2019, 47(6): 1384-1387.
WANG Wei, YAN Yi-hua, LIU Dong-hao, SU Cang. Phase Calibration Using Satellite as Calibrator for Mingantu Spectral Radioheliograph. Acta Electronica Sinica, 2019, 47(6): 1384-1387.
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