Calibration of TAMA300 in time domain

Details Calibration of TAMA300 in time domain Calibration of TAMA300 in time domain

Sep 2005

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2005cqgra..22s.975t&link_type=abstract

Classical and Quantum Gravity, Volume 22, Issue 18, pp. S975-S984 (2005).

Computer Science

2

Scientific paper

We could reconstruct the strain of gravitational wave signals from acquired data in the time domain by using the infinite impulse response filter technique in TAMA300. We would like to analyse the waveform in the time domain for burst-like signal, merger phase waveform of binary neutron stars, and so on. We established the way to make a continuous time-series gravitational wave strain signal. We compared the time-domain reconstruction with the Fourier-space reconstruction. Both coincided within 3% in the observation range. We could also produce the voltage signal which would be recorded by the data-acquisition system from a simulated gravitational wave. This is useful for some analyses of simulations and signal injections. We could extract the waveform of the hardware injection signal in an observational run in the time domain. The extracted waveform was similar to the injection signal.

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