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== Geophone pod assy == * By Akutsu * One pod was badly manufacutured, but anyway I succeeded to assemble a horizontal geophone. * See [[http://klog.icrr.u-tokyo.ac.jp/osl/?r=8180|here]]. * Named GeoH1 (L-4C #15, the driver sn#164) == LVDT setup == * By Akutsu * Just connected all the relevant systems including one of the LVDT itself (today it was No.6 to LVDT-V1). * Adding an AC bias, the signal was somehow observed from the digital system... but I need more persons to tune the gain and the demodulation phase to do the calibration... |
2019/2/21
[note]
svn update (by Tanioka)
- cd /userapps/release/vis/common/medm/TMS
- svn log
- svn update
Geophone pod assy
- By Akutsu
- One pod was badly manufacutured, but anyway I succeeded to assemble a horizontal geophone.
See here.
Named GeoH1 (L-4C #15, the driver sn#164)
LVDT setup
- By Akutsu
- Just connected all the relevant systems including one of the LVDT itself (today it was No.6 to LVDT-V1).
- Adding an AC bias, the signal was somehow observed from the digital system... but I need more persons to tune the gain and the demodulation phase to do the calibration...