残留边带调制

本文探讨了HDTV地面残留边带调制（VSB）系统和DVB系统的电缆标准中均衡器的结构与算法，讨论了他们的异同点以及给出了芯片实现方案。

In this paper , structure and algorithm of the equalizer used in cable standard of HDTV VSB ( Vestigial Sideband ) system and DVB ( Digital Video Broadcasting ) system are analyzed , and similarities and differences are given in algorithm and ASIC implementation in VSB system is given .

高清晰度电视（HDTV）中的多电平残留边带调制（VSB）既可用模拟的方法也可用数字的方法实现。

Multilevel vestigial sideband modulation ( VSB ) in HDTV can be implemented by analog or digital method .

残留边带调制（VSB）已用于现行电视的广播传输中。

Vestigial Sideband modulation ( VSB ) is used in traditional TV broadcasting .

对于减少基于残留边带调制（VSB）的数字电视（DTV）接收机的符号间干扰（ISI），判决反馈均衡器（DFE）是一种简单而有效的方案。

Decision feedback equalizer ( DFE ) is an efficient and low-cost scheme for suppressing intersymbol interference ( ISI ) in vestigial sideband ( VSB ) based digital TV ( DTV ) receivers .

从残留边带（VSB）调制原理出发，提出一种在发送端发射强载波，从而用包络检波法对VSB进行解调的方法，并对其抗噪声性能进行了详细的分析介绍。

Based on the principle of VSB , a new kind of amplitude demodulation for VSB launching powerful carrier wave at dispatcher is proposed , and the anti-noise property of the system is analyzed .