Source Localization of EM Waves in the Near‐Field of Spherical Antenna Array in the Presence of Unknown Mutual Coupling

OJ Famoriji, T Shongwe - Wireless Communications and …, 2021 - Wiley Online Library
To obtain an antenna array with isotropic radiation, spherical antenna array (SAA) is the
right array configuration. The challenges of locating signals transmitted within the proximity …

Near-field acoustic source localization using spherical harmonic features

V Varanasi, A Agarwal… - IEEE/ACM Transactions on …, 2019 - ieeexplore.ieee.org
Near-field acoustic source localization and beamforming has hitherto not been investigated
extensively in the spherical harmonic domain under reverberant conditions. In this paper, a …

Achieving high-resolution 3D acoustic imaging in a large-aspect-ratio cabin by the non-synchronous measurements

D Hu, J Ding, H Zhao, L Yu - Applied Acoustics, 2022 - Elsevier
The resolution of conventional acoustic imaging methods in a large-aspect-ratio cabin is
reduced seriously by array parameters limitation and reverberation. The non-synchronous …

A fast 3D-MUSIC method for near-field sound source localization based on the bat algorithm

C Yang, LL Sun, H Guo, YS Wang… - International Journal of …, 2022 - journals.sagepub.com
To improve the computation and real-time performances of the multiple signal classification
(MUSIC) algorithm in 3D space, a fast sound source localization method based on the bat …

Wideband holography based spherical equivalent source method with rigid spherical arrays

G Ping, Z Chu, Y Yang, Z Xu - Mechanical Systems and Signal Processing, 2018 - Elsevier
Spherical equivalent source method (S-ESM) with rigid spherical arrays is able to achieve
good sound field reconstruction and acoustic source identification in three-dimensional free …

Adaptive reweighting homotopy algorithm based compressive spherical beamforming with spherical microphone arrays

S Yin, Z Chu, Y Zhang, Y Liu - The Journal of the Acoustical Society of …, 2020 - pubs.aip.org
Compressive spherical beamforming (CSB) with spherical microphone arrays enjoys high
spatial resolution and strong sidelobes suppression at medium to high frequencies. In this …

Distance estimation in the spherical harmonic domain using the spherical wave model

A Herzog, EAP Habets - Applied Acoustics, 2022 - Elsevier
Compact spherical microphone arrays are often used to record 3D sound scenes and are
well suited to estimate the directions of sound sources. However, estimating the distance of …

Filter-and-sum based high-resolution CLEAN-SC with spherical microphone arrays

Z Chu, S Yin, Y Yang, P Li - Applied Acoustics, 2021 - Elsevier
Abstract High-resolution CLEAN-SC (HR-CLEAN-SC) with spherical microphone arrays is a
promising technology for panoramic sound source identification. To further enhance the …

Three-dimensional localization of point acoustic sources using a planar microphone array combined with beamforming

H Ding, Y Bao, Q Huang, C Li… - Royal Society Open …, 2018 - royalsocietypublishing.org
This paper presents a beamforming-based acoustic imaging (BBAI) method employing a two-
dimensional (2D) microphone array that not only can locate an acoustic source in the XY …

[PDF][PDF] Analysis of sound wave equations in spherical coordinates using Galerkin weighted residuals method and spherical harmonic functions

T Karasoy, M Yağımlı - Journal of the Faculty of Engineering and …, 2024 - gedik.edu.tr
Purpose: In this study, it is aimed to bring an unusual mathematical perspective by using
semi-analytical mathematical solution methods, unlike the sound intensity determination …