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Model-based enhancement of internal wave images

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2 Author(s)
Candy, J.V. ; Lawrence Livermore Nat. Lab., California Univ., Livermore, CA, USA ; Chambers, D.H.

The measurement of internal-wave signatures using synthetic aperture radar (SAR) or real aperture radar (RAR) techniques is an emerging technology that offers a viable means of locating and tracking surface ship wakes by their unique signatures. Under the assumption that the image measured by the radar is dominated by the underlying dynamics of the internal wave, we develop model-based techniques for enhancement based on a recently developed generic dispersive-wave processor. Using images synthesized by a sophisticated propagation model, it is shown that the processor not only offers a unique approach compared to the more traditional image-processing techniques that do not incorporate the propagation model, but is also capable of providing reasonable enhancement of the noisy measurements

Published in:

Oceanic Engineering, IEEE Journal of  (Volume:22 ,  Issue: 1 )