Splash Sound Feature Research based on Empirical Mode Decomposition and Hilbert-Huang Spectrum

摘要：

After the aerial object enters the water, the physical change of bubbles in the water is quite complex. In view of this situation, a new method for feature extraction of bubble sound from the water entry of an object based on empirical mode decomposition and pseudocomponent criterion is proposed. Using the method, volume pulsation of the bubble is made. The experimental study on the water entry sounds of various objects was carried out on Songhua Lake, and the results showed that the frequency estimation of volume pulsation of the bubble is the same as the frequency of zeroth mode of volume pulsation calculated from the theory of bubbles.

关键词： water entry sound feature extraction empirical mode decomposition pseudocomponent criterion Hilbert-Huang spectrum

作者: LI Si-chun YANG De-sen LU Yang

作者单位: National Laboratory of Underwater Acoustic Technology Harbin Engineering University Harbin 150001,Ch Unit 91388 PLA Zhanjiang 524022,Guangdong,China

会议类型: 国际会议

会议名称: 2010 IEEE信息与自动化国际会议(ICIA 2010)

会议地点: 哈尔滨

会议语种:英文

页码: 1-5

在线出版日期: 2010-06-20（万方平台首次上网日期，不代表论文的发表时间）