Page 63 - HydrophoneHandbook_eReader_Ed2_20151208
P. 63

12. Glossary of Terms

    Term                   Definition                    Symbol  Units    Reference
Ultrasound                                                  ---   ---
Ultrasound   Acoustic oscillation whose frequency is        ---   ---   www.electropedi
             above the high-frequency limit of audible                  a.com, 802-01-01
    Field    sound (about 20 kHz)                           ---   ---   www.electropedi
             Region of an elastic medium in which                       a.com, 802-01-02
Uncertainty  ultrasound waves exist
             Parameter, associated with the result of a                   62127-3 3.14
             measurement, that characterizes the
             dispersion of the values that could
             reasonably be attributed to the measurand

                                                                                    61

                                                                 0NDA Corporation
   58   59   60   61   62   63   64   65   66   67   68