On the average of two line chroma signal in succession, delay demodulator made color image vertical resolution reduce, the paper analyses and discusses this question.

延时解调器将相邻二行的色度信进行平均使彩色图象垂直分解力下降，本文对这一问题进行分析和讨论。

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The hands of a loving mother line, wandering onto clothing. Departure thick seam, Italy may delay return. Who made the heart-inch grass, reported a three Chunhui.

“慈母手中线，游子身上衣。临行密密缝，意恐迟迟归。谁言寸草心，报得三春晖”。 。

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This paper presents a "waveform display method" for checking the colour TV Chrominance Delay Line in the factory, and introduces a simple, practical and self-made test-signal generator.

本文提出一种适用于工厂检测彩色电视色度延迟线的“波形方法”，并介绍了一种自制的简易实用的测试信号源。

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