Adaptive calibration of a three-microphone system for acoustic waveguide characterization under time-varying conditions.


The pressure and velocity field in a one-dimensional acoustic waveguide can be sensed in a non-intrusive manner using spatially distributed microphones. Experimental characterization with sensor arrangements of this type has many applications in measurement and control. This paper presents a method for measuring the acoustic variables in a duct under… (More)
DOI: 10.1121/1.4861250

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