Results 41 to 50 of about 1,581,020 (197)

T-S Fuzzy Model-Based Approximation and Filter Design for Stochastic Time-Delay Systems with Hankel Norm Criterion

open access: yesAbstract and Applied Analysis, 2014
This paper investigates the Hankel norm filter design problem for stochastic time-delay systems, which are represented by Takagi-Sugeno (T-S) fuzzy model.
Yanhui Li, Xiujie Zhou
doaj   +1 more source

Orthogonal diagonalization for complex skew-persymmetric anti-tridiagonal Hankel matrices

open access: yesSpecial Matrices, 2016
In this paper, we obtain an eigenvalue decomposition for any complex skew-persymmetric anti-tridiagonal Hankel matrix where the eigenvector matrix is orthogonal.
Gutiérrez-Gutiérrez Jesús   +1 more
doaj   +1 more source

Structural-Missing Tensor Completion for Robust DOA Estimation with Sensor Failure

open access: yesApplied Sciences, 2023
Array sensor failure poses a serious challenge to robust direction-of-arrival (DOA) estimation in complicated environments. Although existing matrix completion methods can successfully recover the damaged signals of an impaired sensor array, they cannot ...
Bin Li   +4 more
doaj   +1 more source

Hankel and Toeplitz operators: continuous and discrete representations [PDF]

open access: yesOpuscula Mathematica, 2017
We find a relation guaranteeing that Hankel operators realized in the space of sequences \(\mathcal{l}^2 (\mathbb{Z}_{+})\) and in the space of functions \(L^2 (\mathbb{R}_{+})\) are unitarily equivalent.
Dmitri R. Yafaev
doaj   +1 more source

Realtime Detection of PMU Bad Data and Sequential Bad Data Classifications in Cyber-Physical Testbed

open access: yesIEEE Access, 2023
Modern Smart Grids incorporate physical power grids and cyber systems, creating a cyber-physical system. phasor measurement units (PMUs) transmit time synchronized measurement data from physical grid to the cyber system.
Imtiaj Khan, Virgilio Centeno
doaj   +1 more source

Multiple Hankel matrix rank minimization for audio inpainting

open access: yes2023 46th International Conference on Telecommunications and Signal Processing (TSP), 2023
Sasaki et al. (2018) presented an efficient audio declipping algorithm, based on the properties of Hankel-structure matrices constructed from time-domain signal blocks. We adapt their approach to solving the audio inpainting problem, where samples are missing in the signal.
Pavel Záviska   +2 more
openaire   +3 more sources

Analytic determinants and inverses of Toeplitz and Hankel tridiagonal matrices with perturbed columns

open access: yesSpecial Matrices, 2020
In this paper, our main attention is paid to calculate the determinants and inverses of two types Toeplitz and Hankel tridiagonal matrices with perturbed columns.
Fu Yaru   +3 more
doaj   +1 more source

Bearing Fault Diagnosis Method Based on Improved Singular Value Decomposition Package

open access: yesSensors, 2023
The singular value decomposition package (SVDP) is often used for signal decomposition and feature extraction. At present, the general SVDP has insufficient feature extraction ability due to the two-row structure of the Hankel matrix, which leads to mode
Huibin Zhu   +4 more
doaj   +1 more source

Matrix representations of Toeplitz-plus-Hankel matrix inverses

open access: yesLinear Algebra and its Applications, 1989
Some matrix representations for the inverses of Toeplitz-plus-Hankel \((T+H)\) matrices are given as well as for \(T+H\)-Bézoutians introduced before by the authors. This representation is given as sum of products of triangular \(T+H\)-matrices. The conditions for these inverses are determined by some columns and rows of the inverse matrix or by ...
Heinig, Georg, Rost, Karla
openaire   +1 more source

Enhanced Root-MUSIC Algorithm Based on Matrix Reconstruction for Frequency Estimation

open access: yesSensors, 2023
In recent years, frequency-modulated continuous wave (FMCW) radar has been widely used in automatic driving, settlement monitoring and other fields. The range accuracy is determined by the estimation of the signal beat frequency.
Yingjie Zhu   +3 more
doaj   +1 more source

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