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Type: Journal article
Title: Errors in the measurement of acoustic energy density in one-dimensional sound fields
Author: Cazzolato, B.
Hansen, C.
Citation: Journal of Sound and Vibration, 2000; 236(5):801-831
Publisher: Academic Press Ltd Elsevier Science Ltd
Issue Date: 2000
ISSN: 0022-460X
Statement of
Ben S. Cazzolato and Colin H. Hansen
Abstract: Acoustic energy density has been shown previously to be an effective cost function for active control of noise in enclosed sound fields. Here bias errors in the energy density measurements that occur in one-dimensional sound fields when using the two-microphone technique to estimate the particle velocity are discussed. Four types of bias error for both two- and three-microphone arrangements are investigated; namely, inherent, phase mismatch, sensitivity mismatch and spatial errors.
DOI: 10.1006/jsvi.2000.3002
Appears in Collections:Aurora harvest 6
Environment Institute publications
Mechanical Engineering publications

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