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14423-INS-LAB-RevE13 40
Diameter
of
Target
Reector
(mm)
Distance
(d)
(mm)
Reflection
Loss A
(d)
Two-way Attenuation B=∑B
a
+B
w
∑B
a
(T:mm B
a
:dB)
B
w
(dB)
B
(dB)
1.58
A=45.7dB
@2 MHz
50 45.7 T 20 4.8 4.0 - 0 57.6
Ba 40 9.6 8.0 -
75 45.7 T 20 4.8 3.4 - 0 56.4
Ba 40 9.6 6.8 -
100 45.7 T 20 4.8 3.4 - 0 56.4
Ba 40 9.6 6.8 -
200 45.7 T 20 4.8 - - 0 49.6
Ba 40 9.6 - -
2.38
A=43.2dB
@2 MHz
50 43.2 T 20 4.8 3.4 2.2 0 60.8
Ba 40 9.6 6.8 4.4
75 43.2 T 20 4.8 3.4 1 0 58.4
Ba 40 9.6 6.8 2
100 43.2 T 20 4.8 3.4 - 0 56.4
Ba 40 9.6 6.8 -
200 43.2 T 20 4.8 1 - 0 51.6
Ba 40 9.6 2 -
Doppler
Frequency
(Hz)
333