与调频声音广播共用频道的地面数字声音广播系统  

An In - Band On - Channel system for Terrestial Digital Sound Broadcasting

作　　者：丁冬宜 

机构地区：[1]广电部科技司

出　　处：《广播电视信息》1998年第3期19-23,共5页Radio & Television Information

摘　　要：本文简略介绍了调频带内同频数字声音广播(FM IBOC-DSB)系统最新的开发结果,重点阐明该系统的数字编码,调制技术、误码校正等方面的技术特点以及FM主信号与其关联传输的DSB信号之间干扰情况分析和兼容特性。This article briefly describes the recent development resuits of an FM In - Band On - Channel DSB system. The focal point is put on the main characteristics of the digital encoding, modulation techniques, forward error correction and so on. Also described is interference analysis and compatible transmission performance between the host FM signal and DSB signal associated with the bost FM.

关 键 词：调频声音广播 数字声音广播 BSB FMIBOC-DSB 

分 类 号：TN93[电子电信—信号与信息处理] TN949.27[电子电信—信息与通信工程]