| 透射光栅测量的解谱方法 |
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| 引用本文： | 江少恩,郑志坚,杨家敏.透射光栅测量的解谱方法[J].核聚变与等离子体物理,2000,20(2):81-87. |
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| 作者姓名： | 江少恩 郑志坚 杨家敏 |
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| 作者单位： | 中国工程物理研究院核物理与化学研究所,绵阳,621900 |
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| 摘 要： | 对透射光栅谱仪配Ｘ射线ＣＣＤ的软Ｘ射线谱测量系统ＴＧ－ＸＣＣＤ进行了简要描述，提出了正交函数展开法用于透射光栅谱仪配Ｘ射线ＣＣＤ测量的谱回推。将正交展开法用于激光打击金盘靶的软Ｘ射线谱回推，并与迭代法的解谱结果进行了比较。结果基本一致，不对此测量系统进行了误差分析。
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| 关 键 词： | 透射光栅 X射线CCD 迭代解谱法 |
| 文章编号： | 0254-6086(2000)02-0081-07 |
| 修稿时间： | 1999-06-21 |
SPECTRA UNFOLDING METHODS FOR TRANSMISSION GRATING MEASUREMENT |
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| JIANG Shao-en,ZHENG Zhi-jian,YANG Jia-min.SPECTRA UNFOLDING METHODS FOR TRANSMISSION GRATING MEASUREMENT[J].Nuclear Fusion and Plasma Physics,2000,20(2):81-87. |
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| Authors: | JIANG Shao-en ZHENG Zhi-jian YANG Jia-min |
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| Institution: | JIANG Shao-en
,ZHENG Zhi-jian
,YANG Jia-min
(Institute of Nuclear Physics and Chemistry, CAEP. Mianyang 621900) |
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| Abstract: | The transmission grating is coupled to X-ray CCD(TG-XCCD), and a set of system for measuring soft X-ray spectra is obtained. The method of orthogonal function expansion (OFE) for unfolding spectra from the data measured by TG-XCCD is put forward. The unfolded spectra by OFE are compared with the unfolded spectra by iterative method. Their results are basically identical. The measurement error is analyzed. |
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| Keywords: | Transmission grating X-ray CCD Iterative method Method of orthogonal function expansion |
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