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Article Dans Une Revue Review of Scientific Instruments Année : 2016

Note: Localization based on estimated source energy homogeneity

Résumé

Acoustic signal localization is a complex problem with a wide range of industrial and academic applications. Herein, we propose a localization method based on energy attenuation and inverted source amplitude comparison (termed estimated source energy homogeneity, or ESEH). This inversion is tested on both synthetic (numerical) data using a Lamb wave propagation model, and experimental 2D plate data (recorded with 4 accelerometers sensitive up to 26 kHz). We compare the performance of this technique with classic source localization algorithms: arrival time localization, time reversal localization, and localization based on energy amplitude. Our technique is highly versatile, and out-performs the conventional techniques in terms of error minimization and cost (both computational and financial).
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Dates et versions

hal-01628817 , version 1 (04-11-2017)

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Semih Turkaya, Renaud Toussaint, Fredrik Kvalheim Eriksen, Olivier Lengliné, Guillaume Daniel, et al.. Note: Localization based on estimated source energy homogeneity. Review of Scientific Instruments, 2016, 87 (9), pp.5563 - 5571. ⟨10.1063/1.4962407⟩. ⟨hal-01628817⟩
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