二次电子电导摄像管（SEC）在空间慢扫描电视系统中的应用
Application of Secondary Electron Conduction Target Vidicon In Slow Deflection TV System
本文从分析两种慢扫描电视系统的实例出发，给出了实测频谱与照片。
It is found that the system with lower line frequency has better picture definition as illustrated by test spectra and photographs .
慢扫描电视