Title :
Determination of the acoustic nonlinearity parameter B/A with low-frequency sound
Author :
Zhang, Yi ; Sun, Hui ; Zhu, Guangping
Author_Institution :
Nat. Lab. of Underwater Acoust. Technol., Harbin Eng. Univ., Harbin, China
Abstract :
The nonlinearity parameter B/A is a basic parameter in acoustics. One effective method for determination of B/A is finite amplitude method, considering the influence of both the sound attenuation of samples and the diffraction of the transducer on the experimental measurement. This paper is about the study on the determination of B/A with low-frequency sound. The experimental results agree well with the theory.
Keywords :
acoustic intensity measurement; acoustic transducers; acoustic wave absorption; acoustic wave diffraction; nonlinear acoustics; acoustic nonlinearity parameter determination; finite amplitude method; low frequency sound; sound attenuation; transducer diffraction; Acoustic measurements; Acoustics; Atmospheric measurements; Harmonic analysis; Pistons; System-on-a-chip; Voltage measurement; acoustics; nonlinearity parameter; spherical wave; the second harmonic; wave amplitude;
Conference_Titel :
Image and Signal Processing (CISP), 2010 3rd International Congress on
Conference_Location :
Yantai
Print_ISBN :
978-1-4244-6513-2
DOI :
10.1109/CISP.2010.5647382
