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Digital Controlled Electronics for Three-dimension Hydrophone Position System
Václavík, V. ; Rozman, J. ; Číp, Ondřej ; Mikel, Břetislav
Set of geared DC motors is employed as mechanical actuator for three-dimensional positioning of the needle hydrophone probe in the ultrasound scannig tank. High-resolution position sensors inside DC motors and a digital signal processing used for digital PID servo-loop improves dynamic range and precision of the sensor position set up.

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