广州地面数字电视国标单频网的组网  

Construction of Guangzhou Terrestrial Television SFN

作　　者：蒋曙光 

机构地区：[1]广州珠江数码集团有限公司,广东广州510010

出　　处：《电视技术》2012年第12期9-11,14,共4页Video Engineering

摘　　要：地面数字电视国家标准DTMB颁布以来,配套标准逐步完善,在产业成熟度方面也有了很大的发展。介绍了广州市地面数字电视国标单频网的建设情况,并对国标单频网信号覆盖进行了详细的测试,验证了地面数字电视国标单频网标准的科学性和可行性,为国标单频网组网提供了一个成功的案例。Terrestrial digital TV national standard DTMB has been greatly developed in the industrial maturity since the promulgation of this standard. The construction of the Guangzhou DTMB single frequency network （SFN） is introduced. A detailed test of the signal coverage of this SFN is made, and the scientific and feasibility of DTMB SFN are verified. A successful case for DTMB SFN construction is provided.

关 键 词：地面数字电视国家标准 分级帧结构 单频网 

分 类 号：TN93[电子电信—信号与信息处理]