| 线阵CCD棱镜摄谱中的抛物线定标 |
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| 引用本文： | 韩忠,刘安平,姚星星,孙晓锋,李茂.线阵CCD棱镜摄谱中的抛物线定标[J].光谱实验室,2012,29(2):985-987. |
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| 作者姓名： | 韩忠 刘安平 姚星星 孙晓锋 李茂 |
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| 作者单位： | 重庆大学物理学院应用物理系,重庆市沙坪坝区沙正街174号,400030 |
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| 摘 要： | 在采用线阵CCD棱镜摄谱仪测量光谱的实验中,内部定标方法普遍都是采用一种近似测量波长的方法,即用线形内插法求待测波长。在进行光谱测量实验的基础上总结出一种新定标测量方法——抛物线定标法求待测波长。通过实验对比分析,结果表明在一定范围内该方法比线形内插法求待测波长精确度更高。
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| 关 键 词： | 光谱 定标 棱镜摄谱仪 抛物线法 |
Parabolic Calibration of Spectrum Measure by Linear Array CCD Prism Spectrograph |
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| HAN Zhong
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LIU An-Ping
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YAO Xing-Xing
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SUN Xiao-Feng
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LI Mao.Parabolic Calibration of Spectrum Measure by Linear Array CCD Prism Spectrograph[J].Chinese Journal of Spectroscopy Laboratory,2012,29(2):985-987. |
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| Authors: | HAN Zhong LIU An-Ping YAO Xing-Xing SUN Xiao-Feng LI Mao |
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| Institution: | HAN Zhong LIU An-Ping YAO Xing-Xing SUN Xiao-Feng LI Mao(Department of Applied Physics,School of Physics Chongqing University,Chongqing 400030,P.R.China) |
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| Abstract: | In the experiment of measuring the spectrum by linear array CCD prism spectrograph,the internal calibration method generally measure wavelength with a similar method.Namely,it is the linear interpolation way.A new special measuring method based on the spectrum measurement was established,which was parabolic calibration method.Compared with the analysis of the experiment,the results showed that the parabolic calibration method had higher accuracy in wavelength measurement than the linear interpolation method in certain rang. |
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| Keywords: | Spectrum Calibration Prism Spectrograph Parabolic Method |
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