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本文介绍提高复制品清晰度的方法。指明了虚光蒙版效应及电路原理,给出了“边饰”电路和实验装置,测定了“边饰”电路各点波形,结果表明,黑白边缘线分明,轮廓清晰。
This article describes ways to improve the clarity of your copy. The effects of virtual light mask and the circuit principle are pointed out. The circuit and experimental device are given. The waveform of the “edge decoration” circuit is measured. The results show that the black and white edge lines are distinct and the outline is clear.