在不同数字电视传输系统中保持可靠、高质量服务的秘诀在于关注那些有可能破坏系统完备性的关键因素。本文介绍这些关键的射频测量，它们可以帮助在收视者完全丧失数字电视服务和画面之前提前检测出有关的问题。-In different digital television transmission system to maintain reliable, high-quality services for those concerned about the secret lies in the possibi

目前数字电视家庭子母机参考思路：模拟有线电视射频单加扰系统，前端管理机，类同可寻址系统-At present, digital television reference to ideas of family cluster machines: Simulation of a single RF cable scrambling systems, front-end management of machines, the same addressing system can be