Acoustic remote sensing

DR Dowling, KG Sabra - Annual Review of Fluid Mechanics, 2015‏ - annualreviews.org
Acoustic waves carry information about their source and collect information about their
environment as they propagate. This article reviews how these information-carrying and …

High frequency source localization in a shallow ocean sound channel using frequency difference matched field processing

BM Worthmann, HC Song, DR Dowling - The Journal of the Acoustical …, 2015‏ - pubs.aip.org
Matched field processing (MFP) is an established technique for source localization in known
multipath acoustic environments. Unfortunately, in many situations, particularly those …

[HTML][HTML] Passive localization in the deep ocean based on cross-correlation function matching

Z Lei, K Yang, Y Ma - The Journal of the Acoustical Society of America, 2016‏ - pubs.aip.org
Passive localization of a sound source in the deep ocean is investigated in this study. The
source can be localized by taking advantage of a cross-correlation function matching …

Blind deconvolution for robust signal estimation and approximate source localization

SH Abadi, D Rouseff, DR Dowling - … Journal of the Acoustical Society of …, 2012‏ - pubs.aip.org
Synthetic time reversal (STR) is a technique for blind deconvolution in an unknown multipath
environment that relies on generic features (rays or modes) of multipath sound propagation …

Adaptive frequency-difference matched field processing for high frequency source localization in a noisy shallow ocean

BM Worthmann, HC Song, DR Dowling - The Journal of the Acoustical …, 2017‏ - pubs.aip.org
Remote source localization in the shallow ocean at frequencies significantly above 1 kHz is
virtually impossible for conventional array signal processing techniques due to …

Blind deconvolution of ship** sources in an ocean waveguide

SH Byun, C Verlinden, KG Sabra - … Journal of the Acoustical Society of …, 2017‏ - pubs.aip.org
This paper investigates the applicability of a ray-based blind deconvolution (RBD) method
for underwater acoustic sources of opportunity such as ships recorded on a receiver array …

[HTML][HTML] Long-range frequency-difference source localization in the Philippine Sea

DJ Geroski, DR Dowling - The Journal of the Acoustical Society of …, 2019‏ - pubs.aip.org
Matched field processing (MFP) refers to a variety of source localization schemes for known
complicated environments and involves matching measured and calculated (replica) fields …

Deep learning-based high-frequency source depth estimation using a single sensor

S Yoon, H Yang, W Seong - The Journal of the Acoustical Society of …, 2021‏ - pubs.aip.org
The sensitivity of underwater propagation models to acoustic and environmental variability
increases with the signal frequency; therefore, realizing accurate acoustic propagation …

Array invariant-based source localization in shallow water using a sparse vertical array

HC Song, C Cho - The Journal of the Acoustical Society of America, 2017‏ - pubs.aip.org
The array invariant proposed for robust source localization in shallow water exploits the
beam-time migration of broadband signals. The approach requires minimal knowledge of …

Robust matched-field processing using a coherent broadband white noise constraint processor

C Debever, WA Kuperman - The Journal of the Acoustical Society of …, 2007‏ - pubs.aip.org
Adaptive matched-field processing (MFP) is not only very sensitive to mismatch, but also
requires the received sound levels to exceed a threshold signal-to-noise ratio. Furthermore …