Changchun Institute of Optics,Fine Mechanics and Physics,CAS
An Effective Wavelength Detection Method Based on Echelle Spectra Reduction | |
L. Yin; Bayanheshig; J. C. Cui; J. Yang; J. W. Zhu and X. F. Yao | |
2015 | |
发表期刊 | Spectroscopy and Spectral Analysis |
卷号 | 35期号:3 |
文章类型 | 期刊 |
其他摘要 | Echellespectrometerwithhighdispersion,highresolution,widespectralcoverage,fullspectrumtransientdirect readingandmanyotheradvantages,isoneoftherepresentativeoftheadvancedspectrometer.Inthecommercializationtrendof echellespectrometer,themethodoftwodimensionspectraimageprocessingisbecomingmoreandmoreimportant.Currently, centroidextractionalgorithmoftenbeusedfirsttodetectthecentroidpositionofeffectivefaculaandthencombinedwithechelle spectrumreductionmethodtodetecttheeffectivewavelength,butthismethodismoredifficulttoachievethedesiredrequire ments.Toimprovethespeed,accuracyandtheabilityofimagingerrorcorrectionduringdetectingtheeffectivewavelength,an effectivewavelengthdetectionmethodbasedonspectrareductioniscomingup.Atthebeginning,thetwodimensionspectrawill beconvertedtoaonedimensionimageusingechellespectrareductionmethodinsteadoffindingcentroidofeffectivefacula.And thenbysettingappropriatethresholdtheonedimensionimageiseasytobedealingwiththanthetwodimensionspectraimage andallofthepixelpointsstandforeffectivewavelengthcanbedetectedatonetime.Basedonthisnewidea,thespeedandaccu racyofimageprocessinghavebeenimproved,atthesametimearangeofimagingerrorscanbecompensated.Usingtheechelle spectrographmakeatestapplyingthisalgorithmfordataprocessingtocheckwhetherthismethodisfitforthespectraimage processingornot.Choosingastandardmercurylampasalightsourceduringthetestbecausethestandardmercurylamphavea numberofknowncharacteristiclineswhichcanbeusedtoexaminetheaccuracyofwavelengthdetection.Accordingtoexperi mentalresult,thismethodnotonlyincreaseoperationspeedbutimproveaccuracyofwavelengthdetection,alsotheimaginger rorlowerthan0.05mm (twopixel)canbecorrected,andthewavelengthaccuracywouldupto0.02nm whichcansatisfythe requirementsofechellespectrographforimageprocessing. |
收录类别 | sci |
语种 | 英语 |
文献类型 | 期刊论文 |
条目标识符 | http://ir.ciomp.ac.cn/handle/181722/55942 |
专题 | 中科院长春光机所知识产出 |
推荐引用方式 GB/T 7714 | L. Yin,Bayanheshig,J. C. Cui,et al. An Effective Wavelength Detection Method Based on Echelle Spectra Reduction[J]. Spectroscopy and Spectral Analysis,2015,35(3). |
APA | L. Yin,Bayanheshig,J. C. Cui,J. Yang,&J. W. Zhu and X. F. Yao.(2015).An Effective Wavelength Detection Method Based on Echelle Spectra Reduction.Spectroscopy and Spectral Analysis,35(3). |
MLA | L. Yin,et al."An Effective Wavelength Detection Method Based on Echelle Spectra Reduction".Spectroscopy and Spectral Analysis 35.3(2015). |
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文件名称/大小 | 文献类型 | 版本类型 | 开放类型 | 使用许可 | ||
An Effective Wavelen(1835KB) | 期刊论文 | 作者接受稿 | 开放获取 | CC BY-NC-SA | 浏览 下载 |
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