宇航计测技术
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王少博1
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WANG Shao-bo1
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摘要: 本文提出利用传递矩阵和宽频脉冲分离法结合的方式,对水声材料的纵波声速和衰减系数进行了测试。介绍了使用收发合置换能器的测量方法、宽频脉冲信号的产生和测量结果,完成了测量不确定度分析。
关键词: 宽频脉冲, 传递矩阵, 声学参数, 水声材料
Abstract: This paper presents the material longitudinal wave velocity and attenuation coefficient measurement of underwater acoustic materials using transfer-matrix calculation plus impulse method. Describes the method using monostatic transducer, broadband impulse signal generation and sample measurement results. Completed the measurement uncertainty analysis.
Key words: Wide frequency impulse, Transfer-matrix, Acoustics parameters, Underwater acoustic materials
王少博. 基于传递矩阵和宽频脉冲声的水声材料声学参数测量方法[J]. 宇航计测技术, doi: 10.12060/j.issn.1000-7202.2014.05.14.
WANG Shao-bo. Acoustic Parameters Measurement of Underwater Acoustic Materials based on Transfermatrix and Wide Frequency Impulse Method[J]. JOURNAL OF ASTRONAUTIC METROLOGY AND MEASUREMENT, doi: 10.12060/j.issn.1000-7202.2014.05.14.
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链接本文: http://www.yhjcjs.com.cn/CN/10.12060/j.issn.1000-7202.2014.05.14
http://www.yhjcjs.com.cn/CN/Y2014/V34/I5/58