播控中心视频色相位校正原理及调试方法  

作　　者：沈天友 屠用励 王忠良 

出　　处：《电视工程》1999年第3期22-24,共3页Television Engineering

摘　　要：本篇介绍播控中心调试原理、方法。内容包括彩色全电视信号组成、视频信号在电缆中传输速率,频率与相位延时的关系,以及如何利用电缆校正信号超前,以保证播出的图像质量。This paper briefly illustrate and analyses the princples and methods applied in the broadcasting centre, and the content includes the consistency of FBAS,the transniission rate of Video signal by cable,the connection between frequency and delaycd phase, as well as how to correct the signal overstepping by cable to protect the pictrue effect.

关 键 词：电视播控中心 视频色相位 校正 调试 

分 类 号：TN948.1[电子电信—信号与信息处理] TN941.2[电子电信—信息与通信工程]