大屏幕彩电中的图像孔阑校正

Aperture correction for pictures in large screen color TV receivers

本文主要对大屏幕TV模拟接收机中的新型轮廓(孔阑)校正电路进行分析,文中也对孔阑失真的原因及传统孔阑校正电路给以简要的叙述,论及了实现垂直孔阑校正存在的问题。

This paper presents mainly the analysis of new types of contour (aperture) correction circuits in large screen analog TV receivers, and describes briefly the causes of aperture distortion, the traditional correction circuits, as well as problems in the implementation of vertical aperture correction.