1.4 KiB
1.4 KiB
Vibrations induced by the Slip-Ring and the Spindle
One geophone is located on the marble, the other one on the floor.
col1: floor col2: marble
Each of the signal is amplified by voltage amplifier:
- 60db
- AC
- 1kHz
- meas 37: Z direction
- meas 38: N direction
- meas 39: E direction