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本文试图通过演示“波的干涉”这一实例,介绍利用APPLE-Ⅱ高分辨作图的基本页面与辅助页面的相互转换,赋于画面以动态感。从而演示两个波的传播及干涉。当演示出干涉的“加强线”及“削弱线”时,以“音响”配合来活跃气氛增强效果。Ⅰ.基本设想: 在屏幕(90,80)及(180,80)处设二个波源,并以10为圆半径的递增量,绘制交替的实线圆及虚线圆。若在辅助页面(HGR2)上以实线代表波峰,虚线代表波谷绘制波的传播;又在基本页面(HGR)上,在与辅助页面相应的地方,绘制其“反相图”(即辅助页面的波峰恰为基本页面的波谷)。当二个页面的图形以一定的时间间隔
This article attempts to illustrate the use of APPLE-II high-resolution mapping of the basic page and the auxiliary page of the conversion, given the dynamic sense of the screen through the demonstration of “wave interference”. This demonstrates the propagation and interference of the two waves. When demonstrating the “strengthening line” and “weakening line” of interference, use “sound” to cooperate to enhance the atmosphere. I. Basic assumption: Set two wave sources at the screens (90, 80) and (180, 80), and draw alternating solid and dashed circles with increments of 10 circle radii. If the solid line represents the peak on the auxiliary page (HGR2), the dotted line represents the propagation of the wave drawn by the valley; on the basic page (HGR), the inverse plot is plotted against the corresponding page of the auxiliary page (ie, The crest of the secondary page is exactly the trough of the basic page). When two pages of graphics are at regular intervals