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Method for measuring the noise of rotating propellers during overflight by an aircraft
Method for measuring the noise of rotating propellers during overflight by an aircraft
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机译:飞机飞越过程中旋转螺旋桨噪声的测量方法
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摘要
Method for measuring the noise of rotating propellers during overflight by a single-engined aircraft driven by propeller with the aid of a microphone which is arranged at a distance above the ground. During the overflight, the height of the microphone is continuously adjusted in accordance with the formula IMAGE IMAGE
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