Bilinear noise subtraction at the GEO 600 observatory

Longitudinal control signals used to keep gravitational wave detectors at a stable operating point are often affected by modulations from test mass misalignments leading to an elevated noise floor ranging from 50 to 500 Hz. Nonstationary noise of this kind results in modulation sidebands and increas...

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Veröffentlicht in:	Physical review. D 2020-05, Vol.101 (10), p.1, Article 102006
Hauptverfasser:	Mukund, N., Lough, J., Affeldt, C., Bergamin, F., Bisht, A., Brinkmann, M., Kringel, V., Lück, H., Nadji, S., Weinert, M., Danzmann, K.
Format:	Artikel
Sprache:	eng
Schlagworte:	Adaptive filters Adaptive search techniques Broadband Continuous radiation Coupling Data analysis Filter design (mathematics) Floors Gravitation Gravitational waves Longitudinal control Model accuracy Modulation Noise Noise reduction Observatories Sidebands Signal processing Subtraction System identification
Online-Zugang:	Volltext
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