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    Measurement of the normal acoustic impedance using beamforming method

    A beamforming technique is introduced to measure the normal acoustic impedance at both normal and oblique incidence in a free field. In the proposed method, microphone array signals are decomposed into inciden...

    Jong Cheon Sun, Chang Woo Shin, Hyung Jun Ju… in Journal of Mechanical Science and Technolo… (2009)