Bayesian power spectral estimation of gravitational wave detector noise revisited
Bayesian power spectral estimation of gravitational wave detector noise revisited
The analysis of gravitational wave interferometer data requires estimates for the noise covariance matrix. For stationary noise, this amounts to estimating the power spectrum. Classical methods such as Welch averaging are used in many analyses, but this method requires large stretches of ``off-source'' data, where the assumption of stationarity may …