【摘要】 提出了双机同步播控系统的体系结构。建立了SPN模型,对实时切换各环节对系统可用性的影响进行了分析。给出了实时切换系统的几个关键问题如切入、切出、时钟同步、故障自监测的解决方案。通过故障仿真验证了系统设计的有效性。更多还原

【Abstract】 Architecture of redundant broadcasting system is presented.SPN model is built and influence on system availability by real-time transmissions is analyzed.Some key modules such as check-in,check-out,time synchronizing,faults monitoring and diagnosing are discussed.Faults simulations prove the design’s effectiveness.更多还原