Symbol Index - COOK Medical DP-M350 Instrucciones De Uso

Uncertainty
Probe
Model -
MI
Mode
Mean
20 MHz 1
mm PW
0.058
Doppler
Probe TIS
Model
Mean
20 MHz
1mm PW
0.018
Doppler

SYMBOL INDEX

a
Acoustic Attenuation Coeffi cient
Aaprt
-12dB Output Beam Area
Deq
Equivalent Aperture Diameter
Deq
Equivalent Beam Diameter
Fawf
Acoustic Working Frequency
Ipa
Pulse-Average Intensity
Ipi
Pulse-Intensity Intergral
Ipi, a
Attenuated Pulse-Intensity Intergral
Ita, a(z) Attenuated Temporal-Average Intensity
MI
Mechanical Index
P
Output Power
Pa
Attenuated Output Power
Pr Peak-Rarefactional Acoustic Pressure
Pra
Attenuated Peak-Rarefactional Acoustic Pressure
prr
Pulse Repetition Rate
TIS
Soft-Tissue Thermal Index
t
Pulse Duration
d
z
Distance from the source to a specifi ed point
z
Depth for TIB
b
z
Break-Point Depth
bp
z
Depth for TIS
s
MI
StdDev Type B
% Uncertainty
12.9% 12.3%
TIS Type B
StdDev % Uncertainty
23.3% 24.5%
Combined Combined
Uncertainty
Uncertainty %
17.9%
Combined Combined
Uncertainty
Uncertainty %
33.8% 0.0060900
7
K for 4
Samples
0.010 3.188
K for 4
Samples
3.188
MI
Upper
Bound
0.091
TIS
Upper
Bound
0.037