ACCELEROMETER IN GEOPHYSICS

1. A transducer whose output is proportional to ground acceleration. Accelerometers are used with shipboard-gravimeter and inertial-navigation systems. 2. A seismometer whose output is proportional to the acceleration to which it is subjected. For example, a geophone with velocity response proportional to frequency and a 90° phase shift as may be the case below the natural frequency operates as an accelerometer.

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