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← ScienceWhich risk increases when accelerometer calibration drifts due to aging?
A)Inertial navigation system position error✓
B)Gyroscopic precession measurement saturation
C)Doppler velocity log signal loss
D)Barometric altimeter reading fluctuation
💡 Explanation
Accelerometer drift accumulates over time causing compounding errors in inertial navigation systems; this is because Dead Reckoning relies on **inertial measurement integration**. Therefore, position errors increase due to unbounded accumulation rather than gyroscopic limits, which induce bounded errors.
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