8-7
MI :
the Mechanical index
Ispta3 :
the derated spatial-peak temporal-average intensity.
Isppa3 :
the derated spatial-peak pulse-average intensity.
pr.3 :
the deratad peak rarefactional pressure.
Wo :
the ultrasonic power
fc :
the center frequency
Zsp :
the axial distance at which the reported parameter is measured.
x-6, y-6 :
are respectively the in-plane(azimuthal) and out ofplane (elevational)
-6dB dimensions in the x-y plane where Zsp is found
PD :
the pulse duration
PRF :
the puls repetition frequency
EBD :
the entrance beam dimensions for the azimuthal and elevational planes
8. Specifications
Summary of Contents for UD-600
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Page 262: ...0123 ID 0608...