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
Summary of Contents for UD-600
Page 2: ......
Page 14: ...xii This page is intentionally blank...
Page 22: ...1 8 This page is intentionally blank...
Page 28: ...2 6 This page is intentionally blank...
Page 157: ...3 129 Simple mode 3 9 Printout...
Page 159: ...3 131 Simple mode 3 9 Printout...
Page 192: ...3 164 This page is intentionally blank...
Page 256: ...8 14 This page is intentionally blank...
Page 260: ...A 4 INDEX...
Page 262: ...0123 ID 0608...