数字化彩电倍频/逐行扫描电路的理论研究  

.The study of electric circuit of double frequency/scanning line by line in DPTV

作　　者：范锋[1] 李占锋[1] 

机构地区：[1]河北工程学院数理系,河北邯郸056038

出　　处：《河北建筑科技学院学报》2003年第4期65-67,共3页Journal of Hebei Institute of Architectural Science & Technology

摘　　要：简要叙述由50Hz隔行扫描引起的大面积闪烁、行间闪烁、边沿闪烁等图像缺陷,从理论上分析了市场流行的数字化彩电倍频/逐行扫描电路消除这些缺点的基本原理,并简要叙述了飞利浦的MK9模块消除这些缺陷的工作流程。The defect and harm of 50Hz interlaced scanning TV were explained.The basic theory of removing these defects in DPTV double frequency/scanning line by line,which is popular in market,was analyzed.It also analyzed the working process of double frequency/scanning line by line circuit by taking MK9 unit of Philips Corp.

关 键 词：倍频 逐行扫描 画质改善电路 IPQ 

分 类 号：TN941[电子电信—信号与信息处理]