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When one hears the word “ultrasound”, one tends to think about visits to the obstetrician and the imagery of a developing embryo/fetus in utero. Tough this is one application for the technology, it is only one of a growing list of applications.
A profession as an ultrasound technician could take you to scientific laboratories all across the world and on the great bodies of water. You could find yourself studying the bioacoustics of mammals such as whales. You could also study the acoustics of crickets !
Within fisheries and oceanographic research, echo sounder hardware is used to determine biomass estimation through the use of transmitting sound waves, receiving them back,simplifying, recording, amplifying and analyzing the echoes.