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Open Access Analytical Diffraction Corrections for Circular Focused Transducers Expressed Using the Multi-Gaussian Beam Model

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In this work, analysis diffraction corrections for circular focused transducers are developed. The multi-Gaussian beam model is used to model the wave field generated by the transmitter and constrain the integral range of the receiver. Phase correction terms are introduced to model curved transducer surfaces as planar surfaces. The proposed method is applicable for both point and line focused transducers; it also works for the transmitter and receiver with unequal sizes. Simulation results are presented using the proposed method for different kinds of transducers and they are shown to be in good agreement with the complicated integral computations.

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Document Type: Research Article

Publication date: 01 September 2017

This article was made available online on 01 August 2017 as a Fast Track article with title: "Analytical diffraction corrections for circular focused transducers expressed using the multi-Gaussian beam model".

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  • Acta Acustica united with Acustica, published together with the European Acoustics Association (EAA), is an international, peer-reviewed journal on acoustics. It publishes original articles on all subjects in the field of acoustics, such as general linear acoustics, nonlinear acoustics, macrosonics, flow acoustics, atmospheric sound, underwater sound, ultrasonics, physical acoustics, structural acoustics, noise control, active control, environmental noise, building acoustics, room acoustics, acoustic materials, acoustic signal processing, computational and numerical acoustics, hearing, audiology and psychoacoustics, speech, musical acoustics, electroacoustics, auditory quality of systems. It reports on original scientific research in acoustics and on engineering applications. The journal considers scientific papers, technical and applied papers, book reviews, short communications, doctoral thesis abstracts, etc. In irregular intervals also special issues and review articles are published.
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