Adjoint modeling for acoustic inversion

2004 ◽  
Vol 115 (2) ◽  
pp. 607-619 ◽  
Author(s):  
Paul Hursky ◽  
Michael B. Porter ◽  
B. D. Cornuelle ◽  
W. S. Hodgkiss ◽  
W. A. Kuperman
Keyword(s):  
Acoustic Inversion ◽  
Adjoint Modeling

Acoustic Inversion Method for Profiling Suspended Sediment Concentration

2014 ◽  
Vol 687-691 ◽  
pp. 3980-3983
Author(s):  
Jun Xi Shi ◽  
Min Zhu ◽  
Yan Bo Wu ◽  
Xing Tao Sun
Keyword(s):  
Suspended Sediment ◽  
Suspended Sediment Concentration ◽  
Sediment Concentration ◽  
Acoustic Backscatter ◽  
Inversion Method ◽  
Dual Frequency ◽  
Frequency Method ◽  
Backscatter Signal ◽  
Size Profile ◽  
Acoustic Inversion

The concentration of suspended sediment is an important parameter for the research of sediment transport. Acoustic backscatter technique has been employed to measure the concentration of suspended sediment recently. It is an inversion problem to measure the concentration from the backscatter signal. In this paper, an improved dual-frequency method is proposed for the concentration inversion of suspension sediment. It is an explicit solution with much lower computational complexity than the commonly used iterative method and with no requirement of known and constant particle size profile compared to the basic dual-frequency method.

scholarly journals Lip synchronization by acoustic inversion

2010 ◽  
Author(s):  
Gregor Hofer ◽  
Korin Richmond ◽  
Michael Berger
Keyword(s):  
Acoustic Inversion ◽  
Lip Synchronization

Active Adjoint Modeling Method in Microwave Induced Thermoacoustic Tomography for Breast Tumor

2014 ◽  
Vol 61 (7) ◽  
pp. 1957-1966 ◽  
Author(s):  
Xiaozhang Zhu ◽  
Zhiqin Zhao ◽  
Jinguo Wang ◽  
Guoping Chen ◽  
Qing Huo Liu
Keyword(s):  
Breast Tumor ◽  
Modeling Method ◽  
Thermoacoustic Tomography ◽  
Adjoint Modeling

Stochastic Bayesian algorithm to a jointly acoustic inversion and wavelet estimation

2013 ◽  
Author(s):  
Leandro Passos de Figueiredo ◽  
Marcio Santos ◽  
Mauro Roisenberg ◽  
Guenther Schwedersky Neto
Keyword(s):  
Bayesian Algorithm ◽  
Wavelet Estimation ◽  
Acoustic Inversion

Geo-acoustic Inversion Using Shallow Water Ambient Noise and Analysis of Uncertainty

2010 ◽  
Author(s):  
Jianheng Lin ◽  
Baoyou Yin ◽  
Xuejuan Yi ◽  
Jeffrey Simmen ◽  
Ellen S. Livingston ◽  
...  
Keyword(s):  
Shallow Water ◽  
Ambient Noise ◽  
Acoustic Inversion
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