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首页> 外文期刊>Review of Scientific Instruments >Estimation of plasma position from tangentially viewed images on a toroidally symmetric device
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Estimation of plasma position from tangentially viewed images on a toroidally symmetric device

机译：从环形对称设备上的切向查看图像中估计等离子体位置

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Images of plasma from a fast-framing camera are the most intuitive and reliable data to understand the status of tokamak plasmas. Generation, movement, size variation, and disruptions of plasmas can be clearly observed from these images. However, it is not a simple task to obtain the exact positions and sizes of plasmas using these images because measured two-dimensional images inevitably lose the three-dimensional position information of their targets. In this paper, the exact positions and sizes of plasmas have been calculated from tangentially viewed images using the toroidal symmetry of the plasma in the Korea Superconducting Tokamak Advanced Research (KSTAR) device. The positions and sizes of the plasmas have been manually determined with displayed cursors on images and automatically determined using a correlation factor with calculated virtual plasma images as well. These two results correspond well with each other. The estimated positions have also been compared with those obtained from magnetic diagnostics analysis. © 2010 American Institute of Physics Article Outline INTRODUCTION MATCHING A LINE OF SIGHT TO A PIXEL POSITION ESTIMATION OF TOROIDALLY SYMMETRIC PLASMA AUTOMATIC POSITION DETECTION ANALYSIS RESULTS SUMMARY
机译：快速成像相机的等离子体图像是了解托卡马克等离子体状态的最直观，最可靠的数据。从这些图像可以清楚地观察到等离子体的产生，运动，尺寸变化和破坏。然而，使用这些图像来获得等离子体的精确位置和尺寸并不是简单的任务，因为测量的二维图像不可避免地会丢失其目标的三维位置信息。在本文中，使用韩国超导托卡马克高级研究（KSTAR）设备中的等离子体的环形对称性，从切向查看的图像中计算出了等离子体的确切位置和大小。血浆的位置和大小已通过图像上显示的光标手动确定，并使用相关因子与计算的虚拟血浆图像自动确定。这两个结果相互对应。估计的位置也已与通过磁诊断分析获得的位置进行了比较。 ©2010美国物理研究所文章大纲概述将视线对准圆对称对称等离子体自动位置检测分析结果的像素位置

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