论文部分内容阅读
彩色副载波和伴音内载波的差拍干扰厦门华侨电子股份有限公司黄宏升１概述彩色副载波和伴音内载波的差拍干扰是指彩色电视机由于３３．５７ＭＨｚ的彩色载频和３１．５ＭＨｚ的伴音载频差拍结果形成的网纹干扰。本文详细分析了它形成的原因，抑制干扰的措施及对它的测量方...
Beat Interference in Colored Subcarriers and Acoustic Intra-Carriers Xiamen Overseas Chinese Electronic Co., Ltd. Huang Hongsheng 1 Overview The beat interference of color subcarriers and intra-audio carriers means that the color television sets are affected by the color carrier of 33.57 MHz and the accompanying sound of 31.5 MHz Carrier frequency beat result of the formation of the network interference. This paper analyzes in detail the reasons for its formation, measures to suppress interference and its measuring side ...