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隐形无人机

2019-04-24 2433 神州明达-小明

为了对付日益增强的地面防空火力的威胁，许多先进的隐形技术被应用到无人机的研制上。

隐形无人机

一是采用复合材料、雷达吸波材料和低噪声发动机。

如美军“蒂尔”II无人机除了主梁外，几乎全部采用了石墨合成材料，并且对发动机出气口和卫星通信天线作了特殊设计，飞行高度在300米以上时，人耳听不见;在900米以上时，肉眼看不见。

二是采用限制红外光反射技术，在机身表面涂上能够吸收红外光的特制油漆并在发动机燃料中注入防红外辐射的化学制剂。三是减小机身表面缝隙，减少雷达反射面。四是采用充电表面涂层还具有变色的特性：从地面向上看，无人机具有与天空一样的颜色;从空中往下看，无人机呈现与大地一样的颜色。

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