搜索 - 科创

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手电筒遥控电灯：发射以手电筒之类的光源做控制端；接收端以光敏电阻为接收头，后加一个双稳电路做逻辑控制，再驱动继电器，可控硅等就可以控制灯的开关状态。注意做的时候灯光不要产生和手电一样的效果。

激光制导说白了就是用激光作为标记。例如半夜有个士兵突然用探照灯照射敌方堡垒，那么导弹只要对着被照亮的地方飞过去就好，比直接识别这个堡垒要容易。所以理论上，加入激光制导，会使制导更容易，而不是难度增加。

引用心旅过客:1.我早年亲眼见过不明飞行物，晚上无云高空中的很大的橙色光团，那时候没有雾霾，飞在非常高的天空悬浮，后来又很快加速飞走了；别对我说是孔明灯，我见过孔明灯的光，弱且明暗波动，光团也很小，火焰是橘红色

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