Multipass and Nonconcentric Target Circular Synthetic Aperture Sonar (CSAS)
Technical Report,14 Mar 2014,30 Sep 2017
NAVAL SURFACE WARFARE CENTER PANAMA CITY DIV FL PANAMA CITY
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In SERDP project MR-2439 research was conducted to enable the in-situ measurement of the aspect and grazing angle dependent scattering response of unexploded ordnance UXO, clutter, and science targets by conducting circular scans at different heights around identified concentric and non-concentric i.e. off-center targets. Methods were developed for coherently fusing the information from all circular scans to generate three-dimensional data products describing spatial reflectivity and impulse response of targets. Showing that these three dimensional 3D data products could be sampled in the 3D wavenumber spectrum to generate a series of two dimensional 2Drandom orientation realizations that have use for target recognition training andor testing was an additional objective.
- Acoustic Detection and Detectors
- Underwater Ordnance