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A pseudo-triangle technique for redshift identification of celestial spectra | |
Qiu, B; Hu, ZY; Zhao, YH | |
发表期刊 | SPECTROSCOPY AND SPECTRAL ANALYSIS |
2002-08-01 | |
卷号 | 22期号:4页码:695-698 |
文章类型 | Article |
摘要 | In this paper, we present a novel technique for redshift identification. Redshift is a key parameter of celestial spectra. In the literature, there are few reports on redshift identification due to either no many people working on the problem or perhaps industrial confidentiality. Our technique is a pseudo-triangle technique. It consists of the following three major steps: in the first step, the three wavelengths corresponding to the three highest intensity values of an unknown spectrum are selected to construct a pseudo-triangle, and the largest angle of this triangle is calculated which is independent of redshift value. In the second step, the obtained angle is used as an index to retrieve the corresponding three model wavelengths via a pre-calculated look-up-table, which is composed of all the combinations of all the feature wavelengths of the model spectrum. And finally, based on the three corresponding wavelengths, the corresponding red shift value is derived. |
关键词 | Spectral Line Redshift Pseudo-triangle |
WOS标题词 | Science & Technology ; Technology |
收录类别 | SCI |
语种 | 英语 |
WOS研究方向 | Spectroscopy |
WOS类目 | Spectroscopy |
WOS记录号 | WOS:000177804700051 |
引用统计 | |
文献类型 | 期刊论文 |
条目标识符 | http://ir.ia.ac.cn/handle/173211/9852 |
专题 | 09年以前成果 |
作者单位 | 1.Chinese Acad Sci, Inst Automat, Natl Lab Pattern Recognit, Beijing 100080, Peoples R China 2.Chinese Acad Sci, Natl Observ Beijing, Beijing 100012, Peoples R China |
推荐引用方式 GB/T 7714 | Qiu, B,Hu, ZY,Zhao, YH. A pseudo-triangle technique for redshift identification of celestial spectra[J]. SPECTROSCOPY AND SPECTRAL ANALYSIS,2002,22(4):695-698. |
APA | Qiu, B,Hu, ZY,&Zhao, YH.(2002).A pseudo-triangle technique for redshift identification of celestial spectra.SPECTROSCOPY AND SPECTRAL ANALYSIS,22(4),695-698. |
MLA | Qiu, B,et al."A pseudo-triangle technique for redshift identification of celestial spectra".SPECTROSCOPY AND SPECTRAL ANALYSIS 22.4(2002):695-698. |
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