A refined wideband acoustical holography based on equivalent source method. [PDF]
Sci Rep, 2017 This paper is concerned with acoustical engineering and mathematical physics problem for the near-field acoustical holography based on equivalent source method (ESM-based NAH).
Ping G, Chu Z, Xu Z, Shen L.
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Near-field acoustical holography methods in LabVIEW environment [PDF]
, 2021 Near-field acoustical holography is a standard method for sound source visualization and localization. In this thesis, commonly used and newly published near-field acoustic holography methods are introduced and analysed.
Majvald, František
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Four decades of near-field acoustic holography
The Journal of the Acoustical Society of America, 2022 The Reflections series takes a look back on historical articles from The Journal of the Acoustical Society of America that have had a significant impact on the science and practice of acoustics.
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A Fast Iterative Shrinkage/Thresholding Algorithm via Laplace Norm for Sound Source Identification
IEEE Access, 2020 As a powerful tool, near-field acoustical holography (NAH) recognizes the sound source effectively. The traditional equivalent source method (ESM) calculated by the Tikhonov regularization method could be available in the low-frequency band.
Linsen Huang +4 more
doaj +1 more source
Research on patch near-field acoustic holography based on two-level iteration [PDF]
, 2020 In order to solve the “window effect” and “aperture repetition effect” caused by limited measurement aperture, a patch near-field acoustic holography method based on two-level iteration is proposed. After analyzing the principle and process of patch near-
Gaoquan Gu, Jing Zhang
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Application of Statistically Optimized Near-field Acoustical Holography (SONAH) in Cylindrical Coordinates to Noise Control of a Bladeless Fan [PDF]
, 2019 Near-field Acoustical Holography is a tool that is conventionally used to visualize sound fields through an inverse process in a three-dimensional space so that either sound field projections or sound source localization can be performed.
Weimin Thor (8085548)
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Spherical wave expansion coefficients for radiation from a planar velocity source [PDF]
JASA Express LettersA general theory for obtaining spherical wave function expansion coefficients for a sound beam transmitted by a planar velocity source is presented. By neglecting evanescent wave components and thus making the proposed method only approximate in the near
Blake E. Simon, Mark F. Hamilton
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An Improved Algorithm for Noise Source Localization Based on Equivalent Source Method
Shock and Vibration, 2016 Near-field acoustical holography (NAH) based on the equivalent source method (ESM) is an efficient method applied for noise source identification. As l2-norm-based regularization cannot produce a satisfactory solution of the ill-conditioned problem in ...
Zhongming Xu +5 more
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A study on regularization parameter choice in near-field acoustical holography [PDF]
, 2008 Regularization plays an important role in Near-field Acoustical Holography (NAH), and choosing the right amount of regularization is crucial in order to get a meaningful solution.
Gomes, Jesper +2 more
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Iteratively Reweighted Spherical Equivalent Source Method for Acoustic Source Identification
IEEE Access, 2019 Spherical equivalent source method (S-ESM) using rigid spherical microphone arrays can simultaneously identify sound sources in all directions. In this paper, based on the reweighting and sparse representation frameworks, the sparsity-promoting ...
Guoli Ping +3 more
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