Broadband matched-field source localization

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August undefined, 2024

WebAug 26, 1998 · A straightforward algorithm for broadband matched‐field source localizaton is developed and subsequently applied to experimental data. For the two‐receiver case, the … WebApr 7, 2024 · Matched autoproduct processing (MAP) refers to a matched field processing (MFP) style array signal processing technique for passive source localization, which interrogates frequency-difference autoproduct instead of genuine acoustic pressure.

Broadband matched‐field source localization: The Journal …

WebApr 1, 2012 · Locating multiple underwater acoustic sources is a problem that can be solved using antenna array beamforming based on the matched field (MF) processing. However, known MF beamforming techniques fail to provide good performance for multiple sources, a high noise power, and/or when the sources are close to each other. WebJan 20, 2013 · Broadband matched-field source localization. INTRODUCTION. Evan K. Westwood. Applied Research Laboratories, The University of Texas at A ustin, P.O. … dettachable and attachable

Range-dependent matched-field inversion of SWellEX-96 data …

WebApr 1, 2012 · Broadband Underwater Localization of Multiple Sources Using Basis Pursuit De-Noising. Locating multiple underwater acoustic sources is a problem that can be … WebJun 29, 1998 · Most acoustic sources found in the ocean environment are spatially complex and broadband. In the case of shallow water propagation, these source characteristics complicate the analysis of received acoustic data considerably. A common approach to the broadband problem is to decompose the received signal into a set of narrow-band lines. church center app video

Broad-band matched-field source localization in the east …

Broadband source localization in the Gulf of Mexico

WebMay 24, 1999 · Broadband matched field processing (MFP)-derived estimates of 3D source location using data from hydrophone line arrays deployed in various geometries, … WebNov 14, 2000 · In this paper, impulse response matching is proposed for source localization and environmental inversion. The ocean impulse response is estimated using a cross-correlation procedure applied to data from the propagation of a broadband pulse in a shallow-water environment. Source localization and geoacoustic parameter … dettah district education authorityWebNov 23, 1999 · It is found that mode coupling affects practically all modes in shallow water. Random-mode coupling reduces the matched-field correlation. To improve source localization, a broadband matched-beam processing algorithm is proposed to suppress the noncoherent coupled-mode contributions. churchcenter.com mg.churchcenter.com

"WebJan 1, 1998 · The conventional matched field processing that requires a multi-hydrophone array does not work anymore. In this paper, we introduce matched feature localization … " - Broadband matched-field source localization

Broadband matched-field source localization

Frequency-Difference Matched Field Processing for …

WebSep 7, 2024 · When used for matched-field processing, the same data illustrate the benefits of the autoproducts’ extended coherence. ... MFP is a well-known array signal processing technique for remote unknown source localization that is beneficially impacted by increased coherence length. ... Dowling, D.R. Broadband Sparse-Array Blind … WebBroad-band matched-field source localization in the east China Sea. Abstract: An incoherent broad-band frequency (100-200 Hz) domain Bartlett processor is applied to the wide-band source (WBS) signals for source localization. The coupled normal mode …

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WebBroadband matched-field processing of transient signals in shallow water S. Jesus Physics 1992 Range and depth source localization in shallow water amounts to the estimation of the normal‐mode structure of the acoustic field. As ‘‘seen’’ by a vertical array, and from a modeling point of view,… Expand 29 PDF WebA new method of target localization based on two broadband guide sources is presented, using which only few environment information need to be known in range-independent …

WebMar 6, 2024 · This paper considers concurrent matched-field processing of data from multiple, spatially-separated acoustic arrays with application to towed-source data received on two bottom-moored horizontal line arrays from the SWellEx-96 shallow water experiment. WebJan 1, 1998 · This communication presents theoretical, simulated, and practical evidence that a multipath-delay maximum-likelihood estimator does provide enough signal to background discrimination for localizing...

WebSep 1, 2024 · The results of range estimation for the Noise09 experiment are compared for FNN, SVM, RF, and conventional matched-field processing and demonstrate the potential of machine learning for underwater source localization. WebJun 24, 2024 · A passive broadband source localization approach in the deep ocean is proposed based on the coherent matched-field processing combined with a Riemannian …

WebThe data set from this experiment has become a standard test case for studying source tracking using matched-field processing. As part of that process it was important to first determine a suitable environment model and demonstrate …

WebJun 4, 1998 · This paper addresses the problem of matched-field passive localization of broadband underwater acoustic sources with a short vertical array. In previous work, incoherent averaging of narrow-band Bartlett ambiguity surfaces has been proposed to improve the robustness of matched-field processing (MFP) to environmental uncertainties. church center crossword clueWebMay 5, 2003 · ABSTRACT. Matched-field based methods always involve the comparison of the output of a physical model and the actual data. The method of comparison and … churchcenter.com loginWebNov 1, 2004 · Matched-field processing (MFP) for source localization can be highly sensitive to mismatch between the true bathymetry and the bathymetry model used to … dettah weatherWebNov 23, 1999 · To improve source localization, a broadband matched-beam processing algorithm is proposed to suppress the noncoherent coupled-mode contributions. It is … det tax fact sheetWebAug 17, 2024 · A straightforward algorithm for broadband matched-field source localization is developed and subsequently applied to experimental data. For the two-receiver case, the algorithm involves ... dettare a word 2010WebSep 1, 2024 · This method is investigated using a simulated broadband signal and also using SUS data received on a vertical array. The source is localized using broadband … dettatore windowsWebApr 21, 2000 · Baggeroer, W. A. Kuperman, and H. Schmidt, “ Matched-field processing: Source localization in correlated noise as an optimum parameter estimation problem ,” J. Acoust. Soc. Am. 83, 571– 587 (1988). Google Scholar Scitation, ISI 4. S. M. Jesus, “ Broadband matched-field processing of transient signals in shallow water ,” J. Acoust. … dettare a word