利用自然或人造声源的声波信号探测大气的方法和技术。
... acoustic sounding 声学探测 acoustic spectrometry 声波频谱测定法 acoustic storage 声存储器 ...
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...波； 声学探测； 垂直度； 孔径 [gap=1108]Key words: drilling; underground continuous wall; ultrasonic; acoustic detection; perpendicularity; aperture ...
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... acoustical investigation 声学探测 actuarial investigation 精算调查 aerodynamic investigation 空气动力特性研究; 空气动力研究 ...
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本文通过对低频主动声纳的主动声纳方程的分析与声学探测过程的仿真，初步研究了低频主动声纳在不同距离上的最优探测频率问题。
With analyzing the detecting procedure of Low-frequency active sonar and emulating about it, the Optimum Detection frequency Band of Low-frequency active sonar were researched.
军事研究员们正在试图将声学枪响探测器与一条耀眼的激光相结合，以惊吓将美国直升机作为目标的射手。
Military researchers are looking to combine an acoustic gunshot detector with a dazzling laser that will startle shooters who take aim at American helos.
利用声学原理探测中微子的一个优势就是：与光相比，声音在水或冰中更容易传播。
One advantage of acoustic detection is that sound travels rather better in water and ice than light does.
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