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cs.SD2025★ 4 cited
An accurate measurement of parametric array using a spurious sound filter topologically equivalent to a half-wavelength resonator
Woongji Kim, Beomseok Oh, Junsuk Rho +1
Parametric arrays (PA) offer exceptional directivity and compactness compared to conventional loudspeakers, facilitating various acoustic applications. However, accurate measuremen…
cond-mat.mes-hall2025
Underwater Willis lens for broadband low-frequency focusing
Beomseok Oh, Dongwoo Lee, Yeon-Seong Choo +4
Broadband underwater sound focusing in the low-frequency range is essential for various applications such as battery-free environmental monitoring and sensing. However, achieving l…