A Digital Frequency Lock Technique of Film TransmissionControl in Laser Phototypesetter

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- A Digital Frequency Lock Technique of Film TransmissionControl in Laser Phototypesetter
- Optics and Precision Engineering Vol. 6, Issue 3, Pages: 101-104(1998)
- 作者机构：
  
  中国科学院长春光学精密机械研究所, 长春 130022
- 作者简介：
- 基金信息：
- DOI：
  CLC：
- Received：04 January 1998，
  
  Published Online：15 June 1998，
  
  Published：15 June 1998
- 稿件说明：
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刘光达. 一种实现激光照排机输片控制的数字锁频技术[J]. 光学精密工程, 1998,(3): 101-104

LIU Guang-Da . A Digital Frequency Lock Technique of Film TransmissionControl in Laser Phototypesetter[J]. Editorial Office of Optics and Precision Engineering, 1998,(3): 101-104
刘光达. 一种实现激光照排机输片控制的数字锁频技术[J]. 光学精密工程, 1998,(3): 101-104 DOI：

LIU Guang-Da . A Digital Frequency Lock Technique of Film TransmissionControl in Laser Phototypesetter[J]. Editorial Office of Optics and Precision Engineering, 1998,(3): 101-104 DOI：

提出了一种在激光照排机电控系统中

利用单片微机对转镜扫描光栅频率信号的瞬时波动量进行检测、提取

并以此实时校正系统输片速度

实现场扫描对行扫描的跟踪、补偿

从而提高行、场扫描同步精度的方案。

This paper presents a method of improving on frame & horizontal synchronization in laser phototypesetter

by using singal chip computer system to detect real time frequency deviation and adjust film transmission speed.

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