浅谈DVB-S/S2卫星广播电视信号信道监测设备工作原理及选型考量

Operational Principle and Type Selection of DVB-S/S2 Satellite Broadcast Signal Channel Monitoring Equipment

在卫星广播电视安全播出监测工作中,对于信号信道传输质量的有效监测是首要任务。本文介绍了一种适合应用于卫星广播电视监测系统中的专业信道监测设备的工作原理,说明了调制域质量指标、信道功率、Eb/No等关键参数的实际获取实现方案,重点阐述了实际实现中,如何通过理论分析及对实现电路方案的分析,设计校正方案和算法,确保所有测量设备的测量精准性和一致性。

In satellite broadcast monitoring, a large number of DVB-S/S2 satellite carrier signal need to be real-time channel-parameter monitored to judge broadcasting safety and quality. This paper describes principle of a professional channel monitoring equipment, explains realization scheme to gain key parameters like modulation domain quality index, channel power, Eb/No and so on.