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Proof of principle for inversion of vector sensor array data
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10.1121/1.3455797
/content/asa/journal/jasa/128/2/10.1121/1.3455797
http://aip.metastore.ingenta.com/content/asa/journal/jasa/128/2/10.1121/1.3455797

Figures

Image of FIG. 1.
FIG. 1.

(a) Bathymetry. (b) Detail from rectangle in Fig. 1(a) ; array position (circle), array line of bearing, and source track (line with single arrowhead).

Image of FIG. 2.
FIG. 2.

Bearing-time displays of data segment selected for geo-acoustic inversion; with respect to Fig. 1 , broadside is northeast, and positive bearings are southeast: (a) hydrophone sensors, (b) horizontal acceleration sensors parallel to array LOB.

Image of FIG. 3.
FIG. 3.

Beam spectra from (a) hydrophone and (b) accelerometer apertures. The arrows on the right are at the CPA time.

Image of FIG. 4.
FIG. 4.

Water sound speed profile used for inversion processing.

Image of FIG. 5.
FIG. 5.

Envelopes of cost distribution minima for selected inversion parameters. The envelope minimum is at the parameter value in the inversion solution.

Image of FIG. 6.
FIG. 6.

Envelope of cost distribution minima obtained for the 248 Hz source level.

Image of FIG. 7.
FIG. 7.

Comparison of modeled TL, computed from the solution for inversion of the hydrophone data, and measured TL, inferred from the inversion solution for source level, at six inversion frequencies.

Image of FIG. 8.
FIG. 8.

Comparison of modeled TL, computed from the solution for the inversion of the vector sensor data, and measured TL, inferred from the inversion solution for source level, at six inversion frequencies.

Image of FIG. 9.
FIG. 9.

Comparison of measured source levels for R/V Montague and inversion solutions for source levels from hydrophone and vector sensor data.

Tables

Generic image for table
TABLE I.

Array geometry.

Generic image for table
TABLE II.

Solution for geo-acoustics obtained from inversion of hydrophone data.

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/content/asa/journal/jasa/128/2/10.1121/1.3455797
2010-08-09
2014-04-19
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752b84549af89a08dbdd7fdb8b9568b5 journal.articlezxybnytfddd
Scitation: Proof of principle for inversion of vector sensor array data
http://aip.metastore.ingenta.com/content/asa/journal/jasa/128/2/10.1121/1.3455797
10.1121/1.3455797
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