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Nonlinear calibration and data processing of the solar radio burst
Yan, YH; Tan, CM; Xu, L; Ji, HR; Fu, QJ; Song, GX
2002-10-01
发表期刊SCIENCE IN CHINA SERIES A-MATHEMATICS PHYSICS ASTRONOMY
卷号45页码:89-96
摘要The processes of the sudden energy release and energy transfer, and particle accelerations are the most challenge fundamental problems in solar physics as well as in astrophysics. Nowadays, there has been no direct measurement of the plasma parameters and magnetic fields at the coronal energy release site. Under the certain hypothesis of radiation mechanism and transmission process, radio measurement is almost the only method to diagnose coronal magnetic field. The broadband dynamic solar radio spectrometer that has been finished recently in China has higher time and frequency resolutions. Thus it plays an important role during the research of the 23rd solar cycle in China. Sometimes when there were very large bursts, the spectrometer will be overflowed. It needs to take some special process to discriminate the instrument and interference effects from solar burst signals. According to the characteristic of the solar radio broadband dynamic spectrometer, we developed a nonlinear calibration method to deal with the overflow of instrument, and introduced channel-modification method to deal with images. Finally the interference is eliminated with the help of the wavelet method. Here we take the analysis of the well-known solar-terrestrial event on July 14th, 2000 as the example. It shows the feasibility and validity of the method mentioned above. These methods can also be applied to other issues.
关键词Solar Radio Data Processing Calibration
收录类别SCI
语种英语
WOS记录号WOS:000179653000014
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文献类型期刊论文
条目标识符http://ir.bao.ac.cn/handle/114a11/8537
专题太阳物理研究部
作者单位1.Chinese Acad Sci, Natl Astron Observ, Beijing 100012, Peoples R China
2.Beijing Normal Univ, Dept Astron, Beijing 100875, Peoples R China
3.Xidian Univ, Sch Sci, Xian 710071, Peoples R China
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GB/T 7714
Yan, YH,Tan, CM,Xu, L,et al. Nonlinear calibration and data processing of the solar radio burst[J]. SCIENCE IN CHINA SERIES A-MATHEMATICS PHYSICS ASTRONOMY,2002,45:89-96.
APA Yan, YH,Tan, CM,Xu, L,Ji, HR,Fu, QJ,&Song, GX.(2002).Nonlinear calibration and data processing of the solar radio burst.SCIENCE IN CHINA SERIES A-MATHEMATICS PHYSICS ASTRONOMY,45,89-96.
MLA Yan, YH,et al."Nonlinear calibration and data processing of the solar radio burst".SCIENCE IN CHINA SERIES A-MATHEMATICS PHYSICS ASTRONOMY 45(2002):89-96.
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