标签: dgdp

Theultimatemeasureofqualityinvideosystemsislargelydeterminedbyvisuallylookingattheresultingpicture.Butitisalsoverybeneficialtohaveobjectivemeasurementsforjudgingquality.Ofalltheelectricalmeasurementsforvideo,differentialgain(dG)anddifferentialphase(dP)areoftenthebestfordeterminingthequalityofthesystem.ThisarticlewillhelpthereaderunderstandtherelationshipbetweenthedG/dPmeasuredvaluesandtheirimpactonthevideopicture’squality.……

首先简要介绍了复合NSTC/PAL视频,并阐述差分增益与差分相位的重要性,随后,重点讨论了如何理解规格表中的各种规格及各种重要的DG/DP测量方法.测量复合视频信号性能：差分增益与差分相位美国国家半导体公司高级应用工程师Ｃｌ廿ＷｉｎＪｒ副载波群超过２４１ｏ，达到２８３。，则绿摘要：首竞简。娶介嬲了色会变成青绿色。ＮＴＳＣ复合视频的色条电平、振ｌ菱分增蘸与燕分相位昀壤；受幅和相位如表１所示。值得注意的ｌ规格袈中的各翻ｒ规格凌各种税沦菠凝弘方，如法关键词：复合视频蒺分……