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本文介绍用于地面传输全数字式高清晰度电视（ＨＤＴＶ）中的自适应均衡器。着重介绍采用最小均方算法的横向滤波器、判决反馈均衡器及盲均衡器，讨论了ＨＤＴＶ中采用的不同均衡方案及其均衡性能。
This article describes an adaptive equalizer for transmitting digital terrestrial television (HDTV) in terrestrial. The horizontal filter, decision feedback equalizer and blind equalizer with the least mean square algorithm are emphatically introduced. The different equalization schemes and their equalization performance are discussed in HDTV.