Noise propagation in inversion of helioseismic time-distance data

Details Noise propagation in inversion of helioseismic time-distance data Noise propagation in inversion of helioseismic time-distance data

Feb 2003

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2003esasp.517..315j&link_type=abstract

In: Proceedings of SOHO 12 / GONG+ 2002. Local and global helioseismology: the present and future, 27 October - 1 November 2002,

Physics

15

Helioseismology, Data Analyses

Scientific paper

We present an analysis of noise propagation in time-distance inversion. The data covariance is estimated from a quiet region. We obtain estimates for the correlation and uncertainties of the inversion result both from theoretical propagation of the covariance matrix and from inversion of realizations of the noise model. Inversion of data containing a sunspot is shown along with the estimates of the uncertainties.

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