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8-8
α
:
ACOUSTIC ATTENUATION COEFFICIENT
A
aprt :
-12dB OUTPUT BEAM AREA
D
eq :
EQUIVALENT APERTURE DIAMETER
d
eq :
EQUIVALENT BEAM DIAMETER
f
awf :
ACOUSTIC WORKING FREQUENCY
I
pa :
PULSE-AVERAGE INTENSITY
I
pa,
α
:
ATTENUATED PULSE-AVERAGE INTENSITY
I
pi :
PULSE-INTENSITY INTEGRAL
I
pi,
α
:
ATTENUATED PULSE-INTENSITY INTEGRAL
MI
:
MECHANICAL INDEX
P
:
OUTPUT POWER
P
α
:
ATTENUATED OUTPUT POWER
P
r :
PEAK-RAREFACTIONAL ACOUSTIC PRESSURE
Prr
:
PULSE REPETITION RATE
TIS
:
SOFT-TISSUE THERMAL INDEX
t
d :
PULSE DURATION
X,Y
:
-12dB OUTPUT BEAM DIMENSIONS
z
:
DISTANCE FROM THE SOURCE TO A SPECIFIED POINT
z
b :
DEPTH FOR
TIB
z
bp :
BREAK-POINT DEPTH
z
s :
DEPTH FOR
TIS
8. Specifications
Содержание UD-600
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