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A new terrestrial digital multimedia/television broadcasting (DMB-T) transmission system
Author(s): 
Pages: 12-16
Year: Issue:  1
Journal: TV ENGINEERING

Keyword:  数字电视宽带传输正交频分复用;
Abstract: 针对传输信道线性时变的宽带传输信道特性,设计了一种时域同步正交频分复用(简称TDS-OFDM)的多载波调制方式.这种调制方式既适用于具有多径干扰和多普勒频移的地面数字电视广播传输信道,也适用于其它宽带数字传输系统.为了进一步提高传输效率,提出的地面数字多媒体/电视广播DMB-T传输系统还采用了最新的纠错编码和交织编码技术,在额定的8 MHz带宽中,净载数据传输率可达32.511Mbps.
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