Sound Characteristics and Performance of Even and Uneven Blade Spacing Helicopter Anti-Torque System (균등 및 비균등 배열 헬리콥터 반토오크 시스템 성능 및 소음특성)
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- Transactions of the Korean Society for Noise and Vibration Engineering
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- v.16 no.8 s.113
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- pp.857-863
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- 2006