窄体客机的英文
发音:
"窄体客机"怎么读用"窄体客机"造句
英文翻译手机版
- narrow-body aircraft
- "窄"英文翻译 narrow
- "体"英文翻译 body; part of the body
- "客机"英文翻译 passenger plane; airliner; a ...
- "广体客机" 英文翻译 : wide-body aircraft
- "宽体客机" 英文翻译 : wide-body aircraft; wide-body jet
- "宽体客机的" 英文翻译 : wide-bodied
- "客机" 英文翻译 : passenger plane; airliner; aerobus; air bus
- "窄体字" 英文翻译 : lean letter
- "体客部" 英文翻译 : object of entry
- "窄体飞机" 英文翻译 : narrow-body aircraft
- "窄体航空器" 英文翻译 : narrow body aircraft
- "窄体空铅" 英文翻译 : narrow furniture
- "窄体舌鳎" 英文翻译 : narrow tongue-sole
- "窄体似鲱" 英文翻译 : clupeoides papuensis
- "多体客船" 英文翻译 : multi-hull passenger ship
- "媒体客观性" 英文翻译 : media objectivity
- "描述体客体" 英文翻译 : entry object
- "团体客车" 英文翻译 : private bus; private coach
- "团体客人" 英文翻译 : grouguests
- "【航空】客机。" 英文翻译 : passenger plane
- "半客机" 英文翻译 : half-passenger airplane
- "客机,班机。" 英文翻译 : air liner
- "旅客机" 英文翻译 : bus; public transport
- "窄体飞机机队" 英文翻译 : narrow body fleet
- "团体客人总帐" 英文翻译 : master account
例句与用法
- A large planar microphone array , which consists of 111 microphones , was successfully applied to obtain a two - dimensional mapping of the sound sources on a landing aircraft . the focus of study in this paper is on the landing gear noise source . the spectra , directivities and sound pressure levels of flap side - edge noise of 7 narrow - board commercial aircraft and 7 wide - board commercial aircraft are presented . it is found that the landing gear noise spectrum is broadband with some single tones in some cases . the directivity of the total sound pressure level of a landing gear noise resembles that of a horizontal dipole . the level differences between the various aircraft landing gears are larger than those expected from the airspeed differences . it is thus expected that the louder noise emission of the landing gears can be reduced by redesigning
应用由111个传声器组成的平面传声器阵列对当前流行的民用客机进场着陆过程中的机体噪声源进行了实验测量,本文对七架窄体客机和七架宽体客机的起落架噪声进行了分析,得到了起落架噪声的频谱特性、指向特性和声级变化.研究发现,起落架噪声的频谱是由宽频随机噪声与一些较为明显的单音噪声源组成,起落架噪声的指向性类似于一个水平放置的偶极子.不同飞机起落架噪声的声级相差较大,这说明可以通过重新结构设计降低起落架噪声。 - Abstract : a large planar microphone array , which consists of 111 microphones , was successfully applied to obtain a two - dimensional mapping of the sound sources on a landing aircraft . the focus of study in this paper is on the landing gear noise source . the spectra , directivities and sound pressure levels of flap side - edge noise of 7 narrow - board commercial aircraft and 7 wide - board commercial aircraft are presented . it is found that the landing gear noise spectrum is broadband with some single tones in some cases . the directivity of the total sound pressure level of a landing gear noise resembles that of a horizontal dipole . the level differences between the various aircraft landing gears are larger than those expected from the airspeed differences . it is thus expected that the louder noise emission of the landing gears can be reduced by redesigning
文摘:应用由111个传声器组成的平面传声器阵列对当前流行的民用客机进场着陆过程中的机体噪声源进行了实验测量,本文对七架窄体客机和七架宽体客机的起落架噪声进行了分析,得到了起落架噪声的频谱特性、指向特性和声级变化.研究发现,起落架噪声的频谱是由宽频随机噪声与一些较为明显的单音噪声源组成,起落架噪声的指向性类似于一个水平放置的偶极子.不同飞机起落架噪声的声级相差较大,这说明可以通过重新结构设计降低起落架噪声。
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