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NASA 将试图拍下静音超音速实验机的音爆震波
source link: https://cn.engadget.com/2017/12/20/nasa-shockwave-images-quiet-supersonic-jet/
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NASA 正在与洛克希德马丁合作开发名为「QueSST」（新名字改为「LBFD」）的静音超音速实验机，用多种噪音和音爆抑制的设计，将经过地面时所产生的音爆，降到大约仅有 65dB 的程度。不过，LBFD 的构型是相当复杂的，虽然说有电脑模型计算预测，但本来实验的目的就是要取得真实世界的震波数据。这时候只靠「听」的显然就...
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