摘要
介绍了用于精密测量跟踪电视变焦距的电控系统的组成、工作原理及实现方法。
This paper introduces constituent of control system of measuring and tracking television zoom and its operating principle and realized method.
出处
《光学精密工程》
EI
CAS
CSCD
1999年第3期71-73,共3页
Optics and Precision Engineering