A circuit to automatically recognize projectiles signal on sky screen 一种天幕靶用弹丸信号自动识别电路
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Xgk - 04 type wide - angle sky screen 04型广角天幕靶
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According to the intersection measuring principle , two optoelectric devices intersecting with the ground into the same angle with , are placed to form one overlapping upright sky screen 交汇测量方案是利用交汇原理，放置两台光电检测装置，形成的光幕相互交叠，构成垂直于地面的交汇测量靶面。
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In the array scheme of with the diaphragm , the optimization of semiconductor optoelectric devices array forms a sky screens . while the bullel passing through the sky screens , the outputs of optoelectronic devices are amplified and coded , and then transmitted to the computer for processing 半导体光电件阵列方案是将半导体器件阵列和光阑合理配置，形成天幕，将弹丸过靶信号光电转换、放大，经过编码处理，最后送入计算机处理。
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