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Measurement of acoustic intensity using the cross-spectral density of two microphone signals
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1977
Year
AeroacousticsPressure MicrophonesEngineeringMeasurementEducationAcoustic SensorNoiseCross-spectral DensityAcoustical EngineeringInstrumentationAcoustic Signal ProcessingMicrophone SignalsAcoustic AnalysisAcoustic CameraAcoustic IntensityNoise MeasurementUltrasoundSignal ProcessingAcoustic-intensity VectorArbitrary EnvironmentSpeech Processing
A technique is presented for evaluating the acoustic-intensity vector in an arbitrary environment by measuring the imaginary part of the cross-spectral density between the output signals from two closely spaced, pressure microphones.