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   Articles with "energy operator" as a keyword



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A conformal collider for holographic CFTs

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recommendations! Published in 2018 at "Journal of High Energy Physics"

DOI: 10.1007/jhep10(2018)156

Abstract: A bstractWe develop a formalism to study the implications of causality on OPE coefficients in conformal field theories with large central charge and a sparse spectrum of higher spin operators. The formalism has the interpretation… read more here.

Keywords: null energy; collider; conformal collider; energy operator ... See more keywords
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Incipient fault feature extraction of rolling bearings based on the MVMD and Teager energy operator.

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recommendations! Published in 2018 at "ISA transactions"

DOI: 10.1016/j.isatra.2018.05.017

Abstract: Aiming at the problems that the incipient fault of rolling bearings is difficult to recognize and the number of intrinsic mode functions (IMFs) decomposed by variational mode decomposition (VMD) must be set in advance and… read more here.

Keywords: teager energy; fault; energy operator; rolling bearings ... See more keywords
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Matrix elements of vibration kinetic energy operator of tetrahedral molecules in non-orthogonal-dependent coordinates

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recommendations! Published in 2018 at "Molecular Physics"

DOI: 10.1080/00268976.2017.1366568

Abstract: ABSTRACT In this work, we propose an algorithm for calculating the matrix elements of the kinetic energy operator for tetrahedral molecules. This algorithm uses the dependent six-angle coordinates (6A) and takes into account the full… read more here.

Keywords: matrix elements; operator tetrahedral; kinetic energy; energy operator ... See more keywords
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Teager Energy Operator for Fast Estimation of Three-Phase Grid Frequency

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recommendations! Published in 2021 at "IEEE Transactions on Instrumentation and Measurement"

DOI: 10.1109/tim.2020.3027927

Abstract: This article proposes a fundamental frequency estimation technique for three-phase voltage systems under unbalanced and harmonic conditions. It is based on the Clarke transformation, recursive discrete Fourier transform, and Teager energy operator. The proposed technique… read more here.

Keywords: three phase; energy operator; frequency; teager energy ... See more keywords