Antony C Searle et al 2003 Class. Quantum Grav. 20 S721 doi:10.1088/0264-9381/20/17/315
Antony C Searle, Susan M Scott and David E McClelland
Show affiliationsHigh power in narrow frequency bands, spectral lines, are a feature of an interferometric gravitational wave detector's output. Some lines are coherent between interferometers, in particular, the 2 km and 4 km LIGO Hanford instruments. This is of concern to data analysis techniques, such as the stochastic background search, that use correlations between instruments to detect gravitational radiation. Several techniques of 'line removal' have been proposed. Where a line is attributable to a measurable environmental disturbance, a simple linear model may be fitted to predict, and subsequently subtract away, that line. This technique has been implemented (as the command oelslr) in the LIGO Data Analysis System (LDAS). We demonstrate its application to LIGO S1 data.
Issue 17 (7 September 2003)
Received 17 April 2003
Published 11 August 2003
Antony C Searle et al 2003 Class. Quantum Grav. 20 S721
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