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Uncertainty Assessment of SAM-V4.5 Head and SHO Hand Phantoms
A.6
Example of Uncertainty Assessment
a
Uncertainty
Tol.
Prob.
Component
(± dB) dist.
Head Phantom
Shell Thickness
0.41
R
Filling/Liquid
Dielectric Contstant
0.28
R
Filling/Liquid
Conductivity
0.33
R
Geometry/Shape
0.25
N
Supporting Structure
Uncertainty
0.00
R
Combined Head
Phantom Uncertainty
Hand Phantom
Material Dielectric
Contstant
0.26
R
Material Conductivity
0.65
R
Geometry/Shape
(incl. spacer)
0.00
R
Combined Hand
Phantom Uncertainty
Fixtures
Head Phantom Fixture
R
Hand Phantom Fixture
0.35
R
Data Mode Fixture
0.16
R
EUT Related
EUT Positioning
0.58
R
(see G.10.5 of [3])
Combined Standard Uncertainty
(Head+Hand+Fixture)
b
Div.
c
ci
ui
Std. unc.
(± dB)
vi
p
3
0.10
0.02
p
1
3
0.39
0.06
1
3
2
0.065
1
0.01
0.13
1
1
1
0.00
1
0.14
1
p
p
3
p
p3
3
0.78
0.39
0.12
0.15
p
1
1
1
0.00
1
0.19
1
1
1
1
3
p
p3
3
1.00
1.00
0.20
0.09
p
1.00
0.33
3
SPEAG, EM-Phantom User Manual V 4.1, December 2013
1
0.46
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