Sequential Bayesian sparse signal reconstruction using array data

CF Mecklenbräuker, P Gerstoft… - IEEE Transactions on …, 2013 - ieeexplore.ieee.org
In this paper, the sequential reconstruction of source waveforms under a sparsity constraint
is considered from a Bayesian perspective. Let the wave field, which is observed by a …

Compressive geoacoustic inversion using ambient noise

C Yardim, P Gerstoft, WS Hodgkiss… - The Journal of the …, 2014 - pubs.aip.org
Surface generated ambient noise can be used to infer sediment properties. Here, a passive
geoacoustic inversion method that uses noise recorded by a drifting vertical array is …

[HTML][HTML] Coherent processing of shipping noise for ocean monitoring

SW Lani, KG Sabra, WS Hodgkiss… - The Journal of the …, 2013 - pubs.aip.org
Ambient noise was recorded on two vertical line arrays (VLAs) separated by 450 m and
deployed in shallow water (depth∼ 150 m) off San Diego, CA continuously for 6 days …

Rapid emergence of empirical Green's functions from cross-correlations of ambient sound on continental shelf

T Tan, OA Godin - The Journal of the Acoustical Society of America, 2023 - pubs.aip.org
Applications of acoustic noise interferometry to passive remote sensing of the ocean rely on
retrieval of empirical Green's functions (EGFs) from cross-correlations of ambient sound at …

Enhancing the emergence rate of coherent wavefronts from ocean ambient noise correlations using spatio-temporal filters

C Leroy, S Lani, KG Sabra, WS Hodgkiss… - The Journal of the …, 2012 - pubs.aip.org
Extracting coherent wavefronts between passive receivers using cross-correlations of
ambient noise (CAN) provides a means for monitoring the seismoacoustic environment …

Enhancing signal‐to‐noise ratios of high‐frequency Rayleigh waves extracted from ambient seismic noises in topographic region

P Ping, R Chu, Y Zhang, J Xie - Bulletin of the …, 2020 - pubs.geoscienceworld.org
High‐frequency Rayleigh waves can be extracted from ambient seismic noises through
noise correlation functions (NCFs), which provides a useful tool to image shallow structures …

Inversion of head waves in ocean acoustic ambient noise

J Li, P Gerstoft, M Siderius, J Fan - … Journal of the Acoustical Society of …, 2020 - pubs.aip.org
The virtual head wave is produced through cross-correlation processing of signals
containing the real, acoustic head wave. The virtual head wave has the same phase speed …

Head waves in ocean acoustic ambient noise: Measurements and modeling

M Siderius, J Li, P Gerstoft - The Journal of the Acoustical Society of …, 2018 - pubs.aip.org
Seismic interferometry recovers the Green's function between two receivers by cross-
correlating the field measured from sources that surround the receivers. In the seismic …

The ocean noise coherence matrix and its rank

CH Harrison - The Journal of the Acoustical Society of America, 2018 - pubs.aip.org
An expression for the cross-spectral density matrix of ocean noise naturally separates into a
Toeplitz part and a Hankel part [Harrison (2017). J. Acoust. Soc. Am. 141, 2812–2820]. The …

Doppler passive fathometry

CH Harrison - The Journal of the Acoustical Society of America, 2018 - pubs.aip.org
Passive fathometry is a technique whereby broadband ambient ocean noise received on an
array of hydrophones is averaged and cross-correlated to produce a sub-bottom profile …