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用Radon变换处理非圆截面等离子体的测量结果

李定 霍裕平

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用Radon变换处理非圆截面等离子体的测量结果

李定, 霍裕平

APPLICATION OF RANDOM TRANSFORMATION TO NON-CIRCULAR CROSS-SECTION PLASMA DIAGONOSTICS

LI DING, HUO YU-PING
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  • 本文试图探索一条途径,通过弦测量迅速定出非圆截面等离子体的磁场位形,同时重构出待测物理量的二维分布。假设位形为同心相似的嵌套、分布为磁面的函数,从Radon变换出发,导出了三种方法,不失一般性,着重对D形截面的情形进行了解析推导和计算机模拟,讨论了综合处理多种弦测量的可行性,模拟了利用软X射线和微波同时测量,一次性定出磁场位形和电子温度、电子密度分布的过程。
    In this article, a new way is explored, which uses the method of image reconstruction from the projection based on the theory of random transformation, to determine simultaneously the magnetic configuration and 2-D distribution of physical quantities of non-circular cross-section plasma from the diagonostic results. Assuming that the distributions of the physical quantities only depends on the magnetic surface function and all the surfaces are similarly concentric, we have proposed three methods of treatment. For D-shaped plasma, the analytical treatment and numerical simulation have been discussed in detail. An example of determination of magnetic configuration and electron temperature and density from soft X-ray and microwave interference measurements has been demonstrated.
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  • 文章访问数:  5839
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  • 被引次数: 0
出版历程
  • 收稿日期:  1985-06-18
  • 刊出日期:  2005-03-20

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