Journal
JOURNAL OF INVERSE AND ILL-POSED PROBLEMS
Volume 18, Issue 9, Pages 997-1011Publisher
WALTER DE GRUYTER GMBH
DOI: 10.1515/JIIP.2011.017
Keywords
Combustion; thermoacoustic inverse problem; regularization; Volterra integral equation
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In this paper we consider the thermoacoustic inverse problem of identifying the oscillatory heat release from pressure measurements. We consider the spatially one-dimensional and time harmonic case. Three different regularization methods for the stable solution of this ill-posed inverse problem are proposed: Lavrent'ev's method, regularization by discretization, and a method based on an explicit formula combined with regularized numerical differentiation. For these methods, the results of numerical experiments are documented.
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