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- W2000841388 abstract "The application of piezoceramic (PZT) and single crystal (PMN-PT) transducers for underwater acoustic communication modems and navigation systems is reviewed. Many applications demand increased acoustic bandwidth, moderate to high acoustic power, compact form factors, and in some cases directionality. The presentation reviews Lagrangian based analytical modeling methods and the development of a MATLAB based users-tool kit for virtual prototyping. Experimental results and field testing of many devices are summarized including single crystal fully active segmented modem transducers with measured coupling factors of 0.87 having usable fractional bandwidth of greater than 100%. Several transducers for navigation aids are presentment including pressure gradient multimode, baffled cylinders and spheres, compact arrays, and spiral-wavefront transducers. Examples of the influence of the vehicle body on transducer performance are considered in an experimental investigation of a Webb sea glider with a BTech WHOI-micromodem transducer and hull and wing mounted sensors for trawler avoidance. [Work supported by the ONR.]" @default.
- W2000841388 created "2016-06-24" @default.
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- W2000841388 date "2011-04-01" @default.
- W2000841388 modified "2023-09-25" @default.
- W2000841388 title "Advances in acoustic communication and navigation transducers for small underwater vehicles." @default.
- W2000841388 doi "https://doi.org/10.1121/1.3588315" @default.
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