Electrical equivalent circuits of multiple-sensor gravitational-wave antennas
Technical Report
·
OSTI ID:6854959
The electrical equivalent circuit of a Weber gravitational wave antenna was derived for various longitudinal normal modes, using the Lagrangian formulation. The analysis was applied to the antenna without piezoelectric ceramics, and to the antenna with one or more ceramics operated both in passive and in active mode. Particular attention was given to the dissipation problem in order to obtain an expression of the overall merit factor that is directly related to the physics of the actual dissipation processes. The results were applied to an example in which two ceramics are used: one for calibrating the antenna and the other to observe its motion. The value of the physical parameters and of the pertinent parameters of the equivalent circuit for the small and the intermediate antennas (predicted) are given in the appendix.
- Research Organization:
- SEE CODE- 1908825 Laboratorio di Ricerce e Technologia per lo Studio del Plasma nello Spazio, Frescati (Italy)
- OSTI ID:
- 6854959
- Report Number(s):
- N-78-14284; LPS-77-9
- Country of Publication:
- United States
- Language:
- English
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