skip to main content
OSTI.GOV title logo U.S. Department of Energy
Office of Scientific and Technical Information

Title: Calibrating spectral estimation for the LISA Technology Package with multichannel synthetic noise generation

Abstract

The scientific objectives of the LISA Technology Package experiment on board of the LISA Pathfinder mission demand accurate calibration and validation of the data analysis tools in advance of the mission launch. The level of confidence required in the mission outcomes can be reached only by intensively testing the tools on synthetically generated data. A flexible procedure allowing the generation of a cross-correlated stationary noise time series was set up. A multichannel time series with the desired cross-correlation behavior can be generated once a model for a multichannel cross-spectral matrix is provided. The core of the procedure comprises a noise coloring, multichannel filter designed via a frequency-by-frequency eigendecomposition of the model cross-spectral matrix and a subsequent fit in the Z domain. The common problem of initial transients in a filtered time series is solved with a proper initialization of the filter recursion equations. The noise generator performance was tested in a two-dimensional case study of the closed-loop LISA Technology Package dynamics along the two principal degrees of freedom.

Authors:
; ; ; ; ; ;  [1]
  1. University of Trento and INFN, via Sommarive 14, 38123 Povo (Trento) (Italy)
Publication Date:
OSTI Identifier:
21420896
Resource Type:
Journal Article
Journal Name:
Physical Review. D, Particles Fields
Additional Journal Information:
Journal Volume: 82; Journal Issue: 4; Other Information: DOI: 10.1103/PhysRevD.82.042001; (c) 2010 American Institute of Physics; Journal ID: ISSN 0556-2821
Country of Publication:
United States
Language:
English
Subject:
72 PHYSICS OF ELEMENTARY PARTICLES AND FIELDS; CALIBRATION; CORRELATIONS; DATA ANALYSIS; DEGREES OF FREEDOM; NOISE; TRANSIENTS; TWO-DIMENSIONAL CALCULATIONS; VALIDATION; TESTING

Citation Formats

Ferraioli, Luigi, Hueller, Mauro, Vitale, Stefano, Heinzel, Gerhard, Hewitson, Martin, Monsky, Anneke, Nofrarias, Miquel, and Albert-Einstein-Institut, Max-Planck-Institut fuer, Gravitationsphysik und Universitaet Hannover, Callinstrasse 38, 30167 Hannover. Calibrating spectral estimation for the LISA Technology Package with multichannel synthetic noise generation. United States: N. p., 2010. Web. doi:10.1103/PHYSREVD.82.042001.
Ferraioli, Luigi, Hueller, Mauro, Vitale, Stefano, Heinzel, Gerhard, Hewitson, Martin, Monsky, Anneke, Nofrarias, Miquel, & Albert-Einstein-Institut, Max-Planck-Institut fuer, Gravitationsphysik und Universitaet Hannover, Callinstrasse 38, 30167 Hannover. Calibrating spectral estimation for the LISA Technology Package with multichannel synthetic noise generation. United States. https://doi.org/10.1103/PHYSREVD.82.042001
Ferraioli, Luigi, Hueller, Mauro, Vitale, Stefano, Heinzel, Gerhard, Hewitson, Martin, Monsky, Anneke, Nofrarias, Miquel, and Albert-Einstein-Institut, Max-Planck-Institut fuer, Gravitationsphysik und Universitaet Hannover, Callinstrasse 38, 30167 Hannover. 2010. "Calibrating spectral estimation for the LISA Technology Package with multichannel synthetic noise generation". United States. https://doi.org/10.1103/PHYSREVD.82.042001.
@article{osti_21420896,
title = {Calibrating spectral estimation for the LISA Technology Package with multichannel synthetic noise generation},
author = {Ferraioli, Luigi and Hueller, Mauro and Vitale, Stefano and Heinzel, Gerhard and Hewitson, Martin and Monsky, Anneke and Nofrarias, Miquel and Albert-Einstein-Institut, Max-Planck-Institut fuer, Gravitationsphysik und Universitaet Hannover, Callinstrasse 38, 30167 Hannover},
abstractNote = {The scientific objectives of the LISA Technology Package experiment on board of the LISA Pathfinder mission demand accurate calibration and validation of the data analysis tools in advance of the mission launch. The level of confidence required in the mission outcomes can be reached only by intensively testing the tools on synthetically generated data. A flexible procedure allowing the generation of a cross-correlated stationary noise time series was set up. A multichannel time series with the desired cross-correlation behavior can be generated once a model for a multichannel cross-spectral matrix is provided. The core of the procedure comprises a noise coloring, multichannel filter designed via a frequency-by-frequency eigendecomposition of the model cross-spectral matrix and a subsequent fit in the Z domain. The common problem of initial transients in a filtered time series is solved with a proper initialization of the filter recursion equations. The noise generator performance was tested in a two-dimensional case study of the closed-loop LISA Technology Package dynamics along the two principal degrees of freedom.},
doi = {10.1103/PHYSREVD.82.042001},
url = {https://www.osti.gov/biblio/21420896}, journal = {Physical Review. D, Particles Fields},
issn = {0556-2821},
number = 4,
volume = 82,
place = {United States},
year = {Sun Aug 15 00:00:00 EDT 2010},
month = {Sun Aug 15 00:00:00 EDT 2010}
}