Acoustic-Doppler Velocimeters

Short definition of Acoustic-Doppler Velocimeters (ADV)
Instrument that measures velocity at a small point in space using bla bla. Examples include the Nortek's Vectrino and Vector.

This is the common definition for Acoustic-Doppler Velocimeters, but other definitions maybe discussed within the wiki.

For good measure, CynthiaBluteau (talk) is testing the citation function . You could also add figures.