Some considerations on the capacitive calibration used for the 2.3 ton cryogenic antenna at CERN
Abstract
The working principle of a capacitive calibrator is discussed and the mathematical model is compared with data available from a test done at liquid He temperature. The electric signal generated by the transducer motion, which is proportional to the displacement of the antenna tip is amplified at the normal vibration mode of the system by the electronic circuits of the gravitational antenna. The analysis shows the possibility of calibrating the antenna, obtaining the constant which relates the antenna displacements to transducer output.
- Publication:
-
NASA STI/Recon Technical Report N
- Pub Date:
- September 1983
- Bibcode:
- 1983STIN...8511284R
- Keywords:
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- Antenna Design;
- Calibrating;
- Capacitors;
- Gravitational Wave Antennas;
- Cryogenic Equipment;
- Low Temperature Tests;
- Vibration Measurement;
- Vibration Mode;
- Communications and Radar