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AbstractAbstract
[en] We present an information-theoretic method called generalized maximum entropy (GME) for decomposing mass spectra of gas mixtures from noisy measurements. In this GME approach to the noisy, underdetermined inverse problem, the joint entropies of concentration, cracking, and noise probabilities are maximized subject to the measured data. This provides a robust estimation for the unknown cracking patterns and the concentrations of the contributing molecules. The method is applied to mass spectroscopic data of hydrocarbons, and the estimates are compared with those received from a Bayesian approach. We show that the GME method is efficient and is computationally fast
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Source
(c) 2004 American Vacuum Society.; Country of input: International Atomic Energy Agency (IAEA)
Record Type
Journal Article
Journal
Journal of Vacuum Science and Technology. A, Vacuum, Surfaces and Films; ISSN 0734-2101;
; CODEN JVTAD6; v. 22(2); p. 401-406

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