The Comparison of Two STSF Methods Besed on Green's Function

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Journal of Vibration and Shock ›› 2012, Vol. 31 ›› Issue (6) : 155-159.

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The Comparison of Two STSF Methods Besed on Green's Function

MA Jia-nan，YANG De-sen，SHI Sheng-guo, hu bo

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Abstract

the k-space sampling Green's function algorithm is the main limited discretization algorithm based on the technology of space transformation sound field(STSF) in the Neumann boundary condition.However, the real space integral Green's function algorithm in the same conditions is rarely used in the related research.Therefore, the reconstruction properties of this algorithm and two algorithms' advantages and disadvantages in STSF have been common concerd by people.This study revises the calculation coefficients of the algorithm through calculating，analyze its related characteristics through the simulation calculation.At the last the paper gives the error analysis with different reconstruction parameters between the two algorithms .These Analysis results can be the reference for the further engineering practice.

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space transformation sound field / planar near-field acoustic holography / Green’s function / normal particle vibration velocity

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MA Jia-nan;YANG De-sen;SHI Sheng-guo;hu bo. The Comparison of Two STSF Methods Besed on Green's Function[J]. Journal of Vibration and Shock, 2012, 31(6): 155-159