Astronomy and Astrophysics – Astronomy
Scientific paper
Dec 1978
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1978mmsai..49..773b&link_type=abstract
(Consiglio Nazionale delle Ricerche, Convegno sulle Metodologie di Trattamento dell'Informazione, Trieste, Nov. 24, 25, 1977 and
Astronomy and Astrophysics
Astronomy
Data Processing, Gravitational Wave Antennas, Signal Processing, Signal To Noise Ratios, Algorithms, Autocorrelation, Discrete Functions, Frequency Distribution, Gravitational Waves, Phase Detectors, Piezoelectric Transducers
Scientific paper
The data analysis for a Weber-type gravitational-wave experiment conducted at Rome University is described. The statistical characteristics of the data, noise, and signal-processing procedure are examined, and the data analysis algorithms are outlined. Experimental data obtained in a period of about 7.5 hr with the antenna operating at 4.2 K are analyzed as an example. It is noted that the data are available in the form of two direct sequences that represent the state of the second-order system describing the behavior of the antenna, its fundamental longitudinal frequency and the various input signals, such as noise and gravitational excitation. The S/N ratio for detection of short bursts of gravitational waves is calculated.
Bonifazi P.
Ferrari Valeria
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