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Calculation of the shape of a towed underwater acoustic array

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2 Author(s)
Howard, B.E. ; Dept. of Math. & Comput. Sci., Miami Univ., Coral Gables, FL, USA ; Syck, J.M.

An important area of towed underwater acoustic research is the determination of the 3D positions of all hydrophones in the array. Although there are a number of methods available that provide position information at a small number of locations along the array, an interpolation scheme is needed that will permit the estimation of the position of all hydrophones so that further processing of acoustic data may proceed. An interpolation technique based on a twisted quartic spline approximation to a space curve is presented. This technique provides the advantages of numerical stability, necessary smoothness, and satisfaction of physical boundary conditions. Most importantly, it permits the estimation of the positions of all hydrophones in an array

Published in:

Oceanic Engineering, IEEE Journal of  (Volume:17 ,  Issue: 2 )