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隱形無人機

2019-04-24 2795 神州明達-小明

為了對付日益增強的地面防空火力的威脅，許多先進的隱形技術被應用到無人機的研制上。

隱形無人機

一是采用復合材料、雷達吸波材料和低噪聲發動機。

如美軍“蒂爾”II無人機除了主梁外，幾乎全部采用了石墨合成材料，并且對發動機出氣口和衛星通信天線作了特殊設計，飛行高度在300米以上時，人耳聽不見;在900米以上時，肉眼看不見。

二是采用限制紅外光反射技術，在機身表面涂上能夠吸收紅外光的特制油漆并在發動機燃料中注入防紅外輻射的化學制劑。三是減小機身表面縫隙，減少雷達反射面。四是采用充電表面涂層還具有變色的特性：從地面向上看，無人機具有與天空一樣的顏色;從空中往下看，無人機呈現與大地一樣的顏色。

汽車上如何反竊聽？神州明達拍攝畫面

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