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Selection of an Audibility Criterion for Propeller Driven Unmanned Aerial Vehicle

机译:选择螺旋桨驱动无人驾驶飞行器的可听性标准

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摘要

Based on a flight experiment, the difference between the total aircraft noise level and the ambient noise is proposed to be used as an audibility criterion for unmanned aerial vehicles equipped with piston engines. It is found that the unmanned aerial vehicle becomes audible for an observer at a criterion value of 3 dBA.
机译:基于飞行实验,提出了总飞机噪声水平与环境噪声之间的差异作为配备有活塞发动机的无人航空车辆的可听性标准。 发现无人驾驶飞行器在3dBa的标准值下对观察者感到听到。

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