Table 22: Smart7-S Imu Performance - Novatel SMART7 Installation And Operation Manual

APPENDIX A SMART7 Technical Specifications
Minimum Satellite Used in Computing
7
Position
Maximum Data Rate
Time to First Fix
Signal Reacquisition
1
Time Accuracy
2
Velocity Accuracy
The IMU performance specifications apply to the SMART7-S only.
Input Rate (max)
Bias Repeatability
Bias Instability
Angular Random Walk
Accelerometer Range
Bias Repeatability
Bias Instability
Velocity Random Walk
1
Time accuracy does not include biases due to RF or antenna delay.
2
Export licensing restricts operation to a maximum of 515 metres per second.
SMART7 Installation and Operation User Manual 0C
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Measurements up to 20 Hz
Position up to 20 Hz
Hot: <20 s typical (Almanac and recent ephemeris saved and approximate
position and time entered)
Cold: <40 s typical (No almanac or ephemeris and no approximate position
or time)
L1 0.5 s typical
L2 <1.0 s typical
20 ns RMS
<0.03 m/s RMS

Table 22: SMART7-S IMU Performance

Gyroscope Performance
Accelerometer Performance
±150 °/second
0.5 °/second
3.5 °/hour
0.1 °/√hour
±5 g
15 mg
0.1 mg
0.05 m/s/√hour
130