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|Title:||Errors arising from three-dimensional energy density sensing in one-dimensional sound fields|
|Citation:||Journal of Sound and Vibration, 2000; 236(3):375-400|
|Publisher:||Academic Press Ltd Elsevier Science Ltd|
|B. S. Cazzolato and C. H. Hansen|
|Abstract:||The performance of four different configurations of three-dimensional acoustic energy density sensors are evaluated for two idealized one-dimensional sound field: a reactive single mode and a propagating plane wave. The 4 configurations of sensors are; two types of 4-microphone arrangements, a 6-microphone arrangement and a 7-microphone arrangement. Like the companion paper for one-dimensional sensors by the same authors this paper investigates the bias errors arising from four error types: inherent, phase mismatch, sensitivity mismatch and spatial errors. It is shown that for plane wave conditions a 4-microphone arrangement is more accurate than the “standard” 6-microphone arrangement.|
|Appears in Collections:||Mechanical Engineering publications|
Environment Institute publications
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