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低频声性能
相关语句
  low frequency acoustic properties
     A standing wave tube measurement system is presented for measuring low frequency acoustic properties of underwater acoustic materials.
     介绍一种用于水声材料低频声性能测量的驻波管测试系统。
短句来源
  “低频声性能”译为未确定词的双语例句
     Measurement for Low-frequency Properties of Underwater Acoustic Materials in a Standing Wave Tube
     水声材料低频声性能的驻波管测量
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  相似匹配句对
     Measurement for Low-frequency Properties of Underwater Acoustic Materials in a Standing Wave Tube
     水材料低频性能的驻波管测量
短句来源
     The performance optimization on a thermoacoustic refrigerator
     热制冷机的性能优化
短句来源
     Study on the Low-frequency Sound Detection
     低频检测研究
短句来源
     Study on anechoic properties of polymers
     高分子材料隐身性能研究
     SOUND ABSORPTION IN SEA WATER DUE TO LOW FREQUENCY CHEMICAL RELAXATIONS
     海水的低频化学弛豫吸收
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A standing wave tube measurement system is presented for measuring low frequency acoustic properties of underwater acoustic materials. The two hydrophones transfer function method is adopted to measure the reflection coefficients of the material samples under the backing. The measuring frequencies are below 1 kHz and the inside diameter of the tube is 85 mm Long. The measurement method and constitutions of the system are described first. Then the method has been verified by measuring the refection coefficients...

A standing wave tube measurement system is presented for measuring low frequency acoustic properties of underwater acoustic materials. The two hydrophones transfer function method is adopted to measure the reflection coefficients of the material samples under the backing. The measuring frequencies are below 1 kHz and the inside diameter of the tube is 85 mm Long. The measurement method and constitutions of the system are described first. Then the method has been verified by measuring the refection coefficients of air water free interface and the measurement uncertainty of the system also been analyzed by testing a homogeneous rubber sample.

介绍一种用于水声材料低频声性能测量的驻波管测试系统。该系统采用双水听器传递函数法来测量材料样品在背衬下的低频反射系数 ,测量频率低于 1kHz,管子的内径为 85mm。文中首先对测量方法和系统构成作必要的说明 ,然后对水 空气自由界面的反射系数进行测量来验证本系统的测量方法 ,通过对均匀橡胶材料样品的测量 ,分析了系统的测量不确定度

 
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