A robust and efficient compressed sensing algorithm for wideband acoustic imaging

F Ning, Z Liu, J Song, F Pan, P Han, J Wei - Chinese Journal of …, 2020 - Springer
Wideband acoustic imaging, which combines compressed sensing (CS) and microphone
arrays, is widely used for locating acoustic sources. However, the location results of this …

[HTML][HTML] Wideband compressive beamforming tomography for drive-by large-scale acoustic source mapping

C Tuna, DL Jones, S Zhao, TNT Nguyen - The Journal of the …, 2018 - pubs.aip.org
Noise-mapping is an effective sound visualization tool for the identification of urban noise
hotspots, which is crucial to taking targeted measures to tackle environmental noise …

Grid-free compressive beamforming using a single moving sensor of known trajectory

YY Ang, N Nguyen, JP Lie… - 2017 Asia-Pacific Signal …, 2017 - ieeexplore.ieee.org
Recently, the grid-free compressive sensing (GFCS) approach was proposed to perform
direction of arrival (DOA) estimation of sources. With the advancement of estimation …

A novel sparse model for multi-source localization using distributed microphone array

TNT Nguyen, C Tuna, S Zhao… - 2017 IEEE International …, 2017 - ieeexplore.ieee.org
When distances between microphone pairs are larger than the half-wavelength of signals,
source localization methods using cross-correlation such as time-difference-of-arrival …

Localization of harmonic source using a single moving sensor of known trajectory

YY Ang, N Nguyen, JP Lie… - 2017 Asia-Pacific Signal …, 2017 - ieeexplore.ieee.org
This paper presents a localization method for a harmonic source using a single moving
sensor in a piecewise-linear trajectory with a known velocity. Through the movement of the …

[PDF][PDF] 一种加权稀疏约束的Capon 波束成形算法

杜永兴, 马新, 李宝山, 秦岭 - 电信科学, 2018 - infocomm-journal.com
针对Capon 波束成形器旁瓣较高及零陷不深的问题, 对降低旁瓣及零陷的方法进行了研究,
提出了一种加权稀疏约束Capon 波束成形算法. 首先利用旁瓣阵列流型矩阵与协方差矩阵的 …

Acoustic signal processing for well integrity monitoring systems

YY Ang - 2019 - dr.ntu.edu.sg
This thesis presents a systematic study of the processing of acoustic radiation to address the
complex practical challenges involved in acoustic signal processing and its application to a …