Superdirective beamforming based on spherical harmonic expansion on planar acoustic vector sensor arrays
M Han, J Guo - Signal Processing, 2025 - Elsevier
The superdirective beamforming method based on spherical harmonic expansion is capable
of generating a frequency-invariant three-dimensional (3D) beampattern. When applied to …
of generating a frequency-invariant three-dimensional (3D) beampattern. When applied to …
Beamforming for small-spacing acoustic vector sensor array using optimal beampattern synthesis technique
Y Zhang, X Lu, Y Fu - IEEE Sensors Letters, 2022 - ieeexplore.ieee.org
Traditional low-frequency acoustic senor arrays will always be very large and not easy to be
implemented. So it is meaningful to study small-spacing underwater acoustic sensor arrays …
implemented. So it is meaningful to study small-spacing underwater acoustic sensor arrays …
An analytical model of three-hot-wire acoustic particle velocity sensors
Z Zhu, W Chen, L Yang, C Gao, Y Hao… - … of Micromechanics and …, 2023 - iopscience.iop.org
A thermal-based acoustic vector sensor consisting of three heated wires can detect acoustic
particle velocity instead of pressure. This paper proposes an analytical model for calculating …
particle velocity instead of pressure. This paper proposes an analytical model for calculating …