SONAR User Manual

14423-INS-LAB-RevD11 41
OverallSensitivity(2MHzProbe)
Diameter
of
Target
Reector
(mm)
V
n
(r.m.s.)
mV
V
n
(r.m.s.)
mV
dB
Overall
Sensitivity
(S=A(d)+B+C)
dB
1.58
A=45.7dB
@2 MHz
186 94 5.93 109.2
175 90 5.78 107.8
174 89 5.82 107.9
173 90 5.68 100.9
2.38
A=43.2dB
@2 MHz
178 89 6.02 110.0
170 90 5.52 107.1
165 85 5.76 105.3
160 85 5.49 100.2
Doppler
Frequency
(Hz)
Velocity of Target
(cm/s)
12.5