The Tracking and Guiding Method for Full Solar Disk Image Using Large CCD-Array

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The Tracking and Guiding Method for Full Solar Disk Image Using Large CCD-Array

Article | 更新时间：2020-08-12

- The Tracking and Guiding Method for Full Solar Disk Image Using Large CCD-Array
- Optics and Precision Engineering Vol. 16, Issue 9, Pages: 1589-1594(2008)
- 作者机构：
  
  中国科学院国家天文台
- 作者简介：
- 基金信息：
- DOI：
  CLC： TP27
- Received：25 January 2008，
  
  Revised：27 February 2008，
  
  Published Online：25 September 2008，
  
  Published：25 September 2008
- 稿件说明：
移动端阅览
肖江,胡柯良,林佳本,申基,邓元勇. 用大面阵CCD实现全日面像自动导行[J]. 光学精密工程, 2008,16(9):1589-1594

The Tracking and Guiding Method for Full Solar Disk Image Using Large CCD-Array[J]. Optics and precision engineering, 2008, 16(9): 1589-1594.
肖江,胡柯良,林佳本,申基,邓元勇. 用大面阵CCD实现全日面像自动导行[J]. 光学精密工程, 2008,16(9):1589-1594 DOI：

The Tracking and Guiding Method for Full Solar Disk Image Using Large CCD-Array[J]. Optics and precision engineering, 2008, 16(9): 1589-1594. DOI：

摘要

介绍基于质心算法并用大面阵CCD实现的全日面磁场望远镜的自动跟踪与导行技术。该方法利用具有高实时处理能力的嵌入式终端设备，计算和处理太阳质心数据，构成高精度的位置环导行系统，同时对CCD图像像素采用“二值化”处理，提高了导行精度和对不良天气的抗干扰能力。该方法大大降低了原有导行技术的成本和复杂度，可运用于空间太阳望远镜的导行。最后经过实测，分析得出在连续工作1小时的情况下该系统导行精度优于，达到系统设计需求.

Abstract

This paper introduces a new auto-tracking and guiding system

which is based on mass-center algorithm and large CCD-Array with Full Solar Disk Image. It uses an Embedded System with high speed processing ability to compute and process mass-center data and all CCD image is dealed with binarization process. Compared with the previous one

the new system can largely reduce the cost and complexity and it enhances the accuracy of the tracking system and reduces the dependency of weather condition. It also constitutes a high-precision closed-loop tracking system. According to the analysis of the experimental data

the new auto-tracking and guiding system achieves the precision of during one hour observation. This system is also a concept experiment for Space Solar Telescope (SST).

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中国科学院国家天文台中国科学院太阳活动重点实验室，北京&nbsp

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