Please use this identifier to cite or link to this item: http://hdl.handle.net/10397/8860
Title: Virtual sensing for broadband noise control in a lightly damped enclosure
Authors: Yuan, J 
Issue Date: 2004
Publisher: Acoustical Soc Amer Amer Inst Physics
Source: Journal of the acoustical society of America, 2004, v. 116, no. 2, p. 934-941 How to cite?
Journal: Journal of the Acoustical Society of America 
Abstract: Available virtual sensing schemes either depend on assumptions that are valid for isolated frequencies, or require heavy online adaptations. A simple method is proposed here to predict the virtual signal exactly for broadband noise control in a lightly damped enclosure. The proposed method requires two physical sensors installed judiciously in a sound field to predict a virtual signal. The method is based on an exact mathematical relation between the virtual and physical sensors, which is valid for the entire frequency of interest. It is possible to use multiple sensor-pairs to reduce the sensitivity of the proposed method with respect to acoustic parameters, such as speed of sound or sensor mismatching. Experimental results are presented to verify the analytical results.
URI: http://hdl.handle.net/10397/8860
ISSN: 0001-4966
DOI: 10.1121/1.1768946
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