一、概述由于城市中新建了许多高楼,电视重影的干扰已成为一个严重的问题。为了改善电视广播接收的质量,重影消除技术的采用已被认为是必不可少的。为了用户使用方便,重影消除方案必须考虑以下二方面: ①对复杂的多路重影有效。②重影能够全部自动地被抑制。虽然已有人提出了许多消重影的方法,但只有采用横向滤波器的形式才能满足这些需要。一些初期的重影消除形式已在参考文献 I. Overview Due to many new buildings in the city, the interference of television ghosting has become a serious problem. In order to improve the quality of television broadcast reception, the adoption of ghosting technology has been considered essential. For user convenience, ghosting cancellation scheme must consider the following two aspects: ① complex multiplex ghost effectively. Ghosts can all be automatically suppressed. Although many anti-aliasing approaches have been proposed, these needs are only met by the use of lateral filters. Some initial forms of ghosting elimination are already in the literature