Apparatus and Method for Determining the Profile of an Underwater Target.
DEPARTMENT OF THE NAVY WASHINGTON D C
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The invention relates to a device which obtains the spatial Fourier transform of an arbitrary pressure field which varies harmonically in time, but can vary in any manner whatsoever spatially. Involved in the use of the invention is a transducer which projects the sonic waves which are sent out to the target, and then are reflected back towards the projector. The reflected waves are then analyzed.
- Acoustic Detection and Detectors