3 papers
eess.AS2026
Directional reflection modeling via wavenumber-domain reflection coefficient for 3D acoustic field simulation
Satoshi Hoshika, Takahiro Iwami, Akira Omoto
This study proposes a framework for incorporating wavenumber-domain acoustic reflection coefficients into sound field analysis to characterize direction-dependent material reflecti…
eess.AS2025
Beamforming in the Reproducing Kernel Domain Based on Spatial Differentiation
Takahiro Iwami, Naohisa Inoue, Akira Omoto
This paper proposes a novel beamforming framework in the reproducing kernel domain, derived from a unified interpretation of directional response as spatial differentiation of the…
math.GM2024
Polar Coordinate Solutions of the Helmholtz Equation in General Dimensions and an Orthonormal Basis
Takahiro Iwami, Naohisa Inoue, Akira Omoto
In acoustical engineering, analytical methodologies are often restricted to two or three dimensions; however, a general-dimensional approach can enhance learning and implementation…