DTMB单频网组网概述

Summary of Building DTMB SFN Networks

就地面数字电视国标(DTMB)单频网(SFN)组网的概念、系统构成单频网同步原理、激励器原理以及实验室测试方法等作了系统介绍。同时通过对实际组网中可能遇到的问题以及需注意的事项给出分析和解决办法。

The Single Frequency Networks（SFN） of Digital Television Terrestrial Multimedia Broadcasting（DTMB） is systematic introduced,including the networking concept,system configuration,synchronization principle of SFN,exciter working principle and laboratory testing methods.In addition,the possible problems,items needing attention in practical networking and corresponding analysis and solutions are all given.