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高分辨率全帧CCD相机电路系统的设计

  • 刘光林 ,
  • 杨世洪 ,
  • 吴钦章 ,
  • 夏默
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  • 1. 中国科学院光电技术研究所,四川 成都 610209;
    2. 中国科学院研究生院,北京 100039

收稿日期: 1900-01-01

  修回日期: 1900-01-01

  网络出版日期: 2007-05-15

Design of high resolution camera system based on full frame CCDs

  • LIU Guang-Lin ,
  • YANG Shi-Hong ,
  • WU Qin-Zhang ,
  • XIA Mo
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  • 1.The Institute of Optics and Electronics, the Chinese Academy of Science, Chengdu 610209, China;
    2. Graduate University of Chinese Academy of Science, Beijing 100039, China

Received date: 1900-01-01

  Revised date: 1900-01-01

  Online published: 2007-05-15

摘要

基于Dalsa公司的面阵CCD评价板EKxxxx设计了一套高分辨率全帧CCD相机电路系统。系统采用专用集成芯片SAA8103和TDA9991构成时序发生器和驱动器,采用TDA9965进行前端信号处理。采用单片机对系统进行控制并应用Camera Link接口简化了体系结构。针对CCD多路输出时各通道存在不均匀性,提出采用两点校正法进行校正。该系统能以较高的帧频获取超高分辨率的图像,适用于航空拍摄、数字后背等场合。

本文引用格式

刘光林 , 杨世洪 , 吴钦章 , 夏默 . 高分辨率全帧CCD相机电路系统的设计[J]. 中国科学院大学学报, 2007 , 24(3) : 320 -324 . DOI: 10.7523/j.issn.2095-6134.2007.3.008

Abstract

A design of high resolution camera system based on DALSA’ s CCD evaluation kit EKxxxx was presented. It was composed of a pulse pattern generator (SAA8103), a vertical line driver (TDA9991), four analog-to-digital interfaces (TDA9965) and a system controller (P89LV51RD2). Camera link with medium configuration was adopted to transfer digital images. The software for controlling and debugging the camera was developed. To correct the non-uniformity of 4 outputs, a method based on two-point correction was described. The system can acquire ultra high resolution pictures at a high frame rate thus it is suitable for aero photography.
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