Abstract

Data from the Shallow Water Cell Experiments SWellEx-96, which was performed in roughly 200 m of water, are used to assess the detection and localization performance of sparsely populated line arrays. The acoustic source in this experiment transmitted 13 narrow-band tones between 50–400 Hz. Data from this source was recorded on a 64-phone vertical line array with a vertical aperture of 118 m and a 240-meter long, 32-phone horizontal line array. Matched field processing and tracking using these data are performed and the detection performance of these arrays as a function of source level and the number of phones is investigated.

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