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Browsing by Subject "Eigenvalues and eigenfunctions"

Now showing items 1-7 of 7

A Comparison between Natural Resonances and Characteristic Mode Resonances of an infinite circular cylinder

Bernabeu Jiménez, Tomás; Valero-Nogueira, Alejandro; Vico Bondía, Felipe; Kishk, Ahmed A (Institute of Electrical and Electronics Engineers, 2017)

[EN] Here, some aspects in the interpretation of the solutions of a PEC infinite circular cylinder with the Theory of Characteristic Modes are presented. First, natural resonances and characteristic mode resonances (CMRs) ...
A conceptual numerical model to simulate hydraulic head in aquifers that are hydraulically connected to surface water bodies

Pulido Velázquez, David; Sahuquillo Herráiz, Andrés; Andreu Álvarez, Joaquín (Wiley: 12 months, 2011-07)

In this paper, we present a conceptual-numerical model that can be deduced from a calibrated finite difference groundwater-flow model, which provides a parsimonious approach to simulate and analyze hydraulic heads and ...
A Parallel Structured Divide-and-Conquer Algorithm for Symmetric Tridiagonal Eigenvalue Problems

Liao, Xia; Li, Shengguo; Lu, Yutong; Román Moltó, José Enrique (Institute of Electrical and Electronics Engineers, 2021-02-01)

[EN] In this article, a parallel structured divide-and-conquer (PSDC) eigensolver is proposed for symmetric tridiagonal matrices based on ScaLAPACK and a parallel structured matrix multiplication algorithm, called PSMMA. ...
Computing the closest positive definite correlation matrix for experimental MIMO cannel analysis

García Ariza, Alexis Paolo; Rubio Arjona, Lorenzo (Institute of Electrical and Electronics Engineers (IEEE), 2011-10)

Under realistic propagation conditions in multiple-input-multiple-output (MIMO) wireless channels, some experimental (measured) full-spatial-correlation (FSC) MIMO channel matrices may not be positive definite, especially ...
Efficient conceptual model for simulating the effect of aquifer heterogeneity on natural groundwater discharge to rivers

Pulido Velázquez, David; Llopis Albert, Carlos; Peña Haro, Salvador; Pulido Velázquez, Manuel Augusto (Elsevier, 2011)

[EN] When linearity can be assumed (linear response of heads to stresses), stream-aquifer flow exchange can be simulated as the drainage of a number of independent linear reservoirs. This conceptual model, which can be ...
Spectral decomposition of single-tone-driven quantum phase modulation

Capmany Francoy, José; Fernandez-Pousa, Carlos R. (IOP Publishing, 2011-02-14)

[EN] Electro-optic phase modulators driven by a single radio-frequency tone ¿ can be described at the quantum level as scattering devices where input single-mode radiation undergoes energy changes in multiples of h¿. In ...
Subspace-Based Takagi-Sugeno Modeling for Improved LMI Performance

Robles-Ruiz, Ruben; Sala, Antonio; Bernal Reza, Miguel Ángel; Gonzalez-German, Ivan Temoatzin (Institute of Electrical and Electronics Engineers, 2017-08)

[EN] Given a nonlinear system, the sector-nonlinearity methodology provides a systematic way of transforming it in an equivalent Takagi-Sugeno (T-S) model. However, such transformation is not unique: conservatism of ...

Now showing items 1-7 of 7

Browsing by Subject "Eigenvalues and eigenfunctions"

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Browsing by Subject "Eigenvalues and eigenfunctions"