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一种经济型测量传声器的改装、校准及应用 被引量：2

Encapsulation,calibration and application of an economical measurement microphone
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摘要 基于一种消费电子类的麦克风设计改装了一种经济型测量传声器,并设计了校准实验装置对其进行校准.对校准实验装置的可靠性进行了验证,利用该装置对自制传声器的幅值、相位进行了校准,将校准后的传声器安装在实验室的流管实验装置上进行测量,并和B&K(Bruel&Kjaer)公司的4938型传声器同样条件下的测量结果进行比较,对比结果显示自制传声器经过校准以后可以作为测量传声器应用. An economical measurement microphone was encapsulated using a consumptive microphone in this paper,and a calibration rig was designed and validated firstly,and then the amplitude and phase of the microphone was calibrated on this rig.The calibrated microphone was used as measurement microphone on the flow impedance test rig（FITR） in our laboratory,and the measured data were compared with data measured by Bruel Kjaer（B K） 4938 microphone.The comparison result shows that the microphone can be used as a measurement microphone when it is calibrated.
作者 王利 王同庆
机构地区 北京航空航天大学能源与动力工程学院
出处 《航空动力学报》 EI CAS CSCD 北大核心 2010年第9期2041-2049,共9页 Journal of Aerospace Power
关键词 测量传声器 噪声测量 幅值校准 相位校准 流管实验装置 measurement microphone noise measurement amplitude calibration phase calibration flow impedance test rig
分类号 V211.1 [航空宇航科学与技术—航空宇航推进理论与工程]
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参考文献12

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二级参考文献12

  • 1管莹,王同庆,王利.流管实验装置中声传播计算的模态方法[J].工程热物理学报,2006,27(4):595-597. 被引量：4
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  • 3Jones M G, Parrott T L, Watson W R, et al. Development of experimental and computational aeroacoustic tools for advanced liner evaluation [ C]//Proceedings of Inter- Noise. Honolulu, Hawaii,USA:The International Institute of Noise Control Engineering,2006.
  • 4Simonich J C, Morin B L, Narayanan S, et al. Development and qualification of an in-situ grazing flow impedance measurement facility[R]. AIAA 2006-2640,2006.
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共引文献29

同被引文献15

引证文献2

二级引证文献5

航空动力学报
2010年 第9期

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