Articles with "spectral analysis" as a keyword



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Analysis of digitalized ECG signals based on artificial intelligence and spectral analysis methods specialized in ARVC

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Published in 2022 at "International Journal for Numerical Methods in Biomedical Engineering"

DOI: 10.1002/cnm.3644

Abstract: Arrhythmogenic right ventricular cardiomyopathy (ARVC) is an inherited heart muscle disease that appears between the second and forth decade of a patient's life, being responsible for 20% of sudden cardiac deaths before the age of… read more here.

Keywords: ecg signals; disease; spectral analysis; digitalized ecg ... See more keywords
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NMR spectral analysis of strongly second‐order 6‐, 8‐, 9‐ and 10‐ spin‐systems (1H─19F, 19F─19F, and 13C─19F) in perfluorotoluyl‐ and tetrafluoro‐pyridyl‐aromatics using the lineshape method ANATOLIA

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Published in 2019 at "Magnetic Resonance in Chemistry"

DOI: 10.1002/mrc.4947

Abstract: A simple to use nuclear magnetic resonance analysis method has been tested on complex 1H, 19F, and 13C multiplets. This open‐source line‐shape analysis method analysis of total lineshape (ANATOLIA)1 provides some significant advantages over traditional… read more here.

Keywords: 19f 19f; analysis; method; spectral analysis ... See more keywords
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Algorithms for Accurate Spectral Analysis in the Presence of Arbitrary Noncoherency and Large Distortion

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Published in 2017 at "IEEE Transactions on Instrumentation and Measurement"

DOI: 10.1007/978-3-319-77718-4_2

Abstract: In spectral analysis, achieving coherent sampling, especially when signals have large distortion, has been a challenge for many years. This paper introduces three algorithms to resolve this issue. In comparison to previous algorithms, and two… read more here.

Keywords: large distortion; accurate spectral; spectral analysis; algorithms ... See more keywords
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On spectral analysis in varieties containing the solutions of inhomogeneous linear functional equations

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Published in 2017 at "Aequationes mathematicae"

DOI: 10.1007/s00010-017-0490-y

Abstract: The aim of the paper is to investigate the solutions of special inhomogeneous linear functional equations using spectral analysis in a translation invariant closed linear subspace of additive/multiadditive functions containing the restrictions of the solutions… read more here.

Keywords: inhomogeneous linear; functional equations; spectral analysis; linear functional ... See more keywords
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Spectral analysis of matrices in Galerkin methods based on generalized B-splines with high smoothness

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Published in 2017 at "Numerische Mathematik"

DOI: 10.1007/s00211-016-0796-z

Abstract: We present a first step towards the spectral analysis of matrices arising from IgA Galerkin methods based on hyperbolic and trigonometric GB-splines. Second order differential problems with constant coefficients are considered and discretized by means… read more here.

Keywords: analysis matrices; analysis; spectral analysis; matrices galerkin ... See more keywords
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Spatiotemporal Pattern Extraction by Spectral Analysis of Vector-Valued Observables

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Published in 2019 at "Journal of Nonlinear Science"

DOI: 10.1007/s00332-019-09548-1

Abstract: We present a data-driven framework for extracting complex spatiotemporal patterns generated by ergodic dynamical systems. Our approach, called vector-valued spectral analysis (VSA), is based on an eigendecomposition of a kernel integral operator acting on a… read more here.

Keywords: vector; vector valued; spectral analysis; operator ... See more keywords
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Spectral analysis modal methods (SAMMs) using non-time-resolved PIV

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Published in 2020 at "Experiments in Fluids"

DOI: 10.1007/s00348-020-03057-8

Abstract: We present spectral analysis modal methods (SAMMs) to perform POD in the frequency domain using non-time-resolved particle image velocity (PIV) data combined with unsteady surface pressure measurements. In particular, time-resolved unsteady surface pressure measurements are… read more here.

Keywords: velocity; time; spectral analysis; time resolved ... See more keywords
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Spectral analysis and detailed quantum mechanical investigation of some acetanilide analogues and their self-assemblies with graphene and fullerene

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Published in 2020 at "Journal of Molecular Modeling"

DOI: 10.1007/s00894-020-04485-3

Abstract: Spectroscopic analysis and different quantum mechanical studies of four pharmaceutically active compounds phenacetin, p-acetanisidide, 4′-butoxyacetanilide, and 4′-(3-chloropropoxy)acetanilide are reported in this manuscript. Simulated IR spectrum of these compounds was compared with experimentally available data, and… read more here.

Keywords: graphene fullerene; spectral analysis; analysis detailed; self assemblies ... See more keywords
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Clinical potential of retrospective on-demand spectral analysis using dual-layer spectral detector-computed tomography in ischemia complicating small-bowel obstruction

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Published in 2017 at "Emergency Radiology"

DOI: 10.1007/s10140-017-1511-9

Abstract: We describe a case of ischemia complicating acute small-bowel obstruction in which retrospective on-demand spectral analysis using dual-layer spectral detector computed tomography (CT) provided a higher degree of confidence pertaining to the diagnosis. Dual-layer spectral… read more here.

Keywords: demand spectral; spectral analysis; ischemia complicating; retrospective demand ... See more keywords
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Spectral Analysis of Codons in the DNA Sequence of Fragile X Syndrome

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Published in 2019 at "Journal of Medical Systems"

DOI: 10.1007/s10916-019-1408-0

Abstract: There are frequent studies undergoing related to the Fragile X syndrome caused due to the triplet CGG replicates on the X chromosome of Fragile X Mental Retardation 1 (FMR1) gene. Mutations of this chromosome can… read more here.

Keywords: analysis codons; fragile syndrome; spectral analysis; rajan transform ... See more keywords
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A Spectral Analysis of Discrete-Time Quantum Walks Related to the Birth and Death Chains

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Published in 2017 at "Journal of Statistical Physics"

DOI: 10.1007/s10955-018-1998-9

Abstract: In this paper, we consider a spectral analysis of discrete time quantum walks on the path. For isospectral coin cases, we show that the time averaged distribution and stationary distributions of the quantum walks are… read more here.

Keywords: quantum walks; discrete time; time; spectral analysis ... See more keywords