Results 81 to 90 of about 4,543,260 (298)

On frequency-weighted coprime factorization based controller reduction [PDF]

open access: yes, 2003
We consider the efficient solution of a class of coprime factorization based controller approximation problems by using frequency-weighted balancing related model reduction approaches.
Varga, Andras
core  

The Excited of Electromagnetic Waves for Langmuir Waves in Relativistic Plasma

open access: yesIbn Al-Haitham Journal for Pure and Applied Sciences, 2005
The study of the excited nonlinear Langmuir waves has been obtained in relativistic plasma in a resonance beat frequency for two high frequency laser waves.
A. S.Wahdain , J. A. Hassan
doaj   +1 more source

A context‐dependent modulatory role for eIF6 in acquired resistance to vemurafenib in melanoma

open access: yesFEBS Letters, EarlyView.
Acquired resistance to vemurafenib upregulates the translation factor eIF6 in melanoma cells. Silencing eIF6 in resistant cells reduces proliferation and partially restores drug sensitivity, whereas its overexpression increases sensitivity across melanoma lines regardless of BRAF status, via modulation of mTOR, S6K, and MAPK signaling.
George Kyriakopoulos   +9 more
wiley   +1 more source

Numerical Approach for the Frequency-Weighted Hankel-Norm Approximation [PDF]

open access: yes, 2001
We derive new projection formulas for the model reduction method based on the frequency-weighted Hankel norm approximation (FWHNA). These formulas extend the applicability of the FWHNA method to frequency weights expressed as antistable right/left ...
Varga, Andras
core  

Rotatory vibration of sphere of higher order viscoelastic solid

open access: yesInternational Journal of Mathematics and Mathematical Sciences, 1994
An attempt is made to investigate the rotatory vibration of a sphere of higher order viscoelastic solid considering higher order strain rate and stress rate. The general frequency equation is obtained for this type of vibration of a sphere.
P. R. Sengupta   +3 more
doaj   +1 more source

Frequency-Domain Bounds for the Multiconductor Telegrapher's Equation

open access: yesIEEE Transactions on Circuits and Systems I: Regular Papers
First revision: 10 pages, 1 ...
Daniel Selvaratnam   +4 more
openaire   +4 more sources

Tumour–host interactions in Drosophila: mechanisms in the tumour micro‐ and macroenvironment

open access: yesMolecular Oncology, EarlyView.
This review examines how tumour–host crosstalk takes place at multiple levels of biological organisation, from local cell competition and immune crosstalk to organism‐wide metabolic and physiological collapse. Here, we integrate findings from Drosophila melanogaster studies that reveal conserved mechanisms through which tumours hijack host systems to ...
José Teles‐Reis, Tor Erik Rusten
wiley   +1 more source

A Super-Algebraically Convergent, Windowing-Based Approach to the Evaluation of Scattering from Periodic Rough Surfaces [PDF]

open access: yes, 2008
We introduce a new second-kind integral equation method to solve direct rough surface scattering problems in two dimensions. This approach is based, in part, upon the bounded obstacle scattering method that was originally presented in Bruno et al. [2004]
Monro, John Anderson
core   +1 more source

On the valid frequency range of Timoshenko beam theory

open access: yes, 2006
The frequency equation of Timoshenko beam theory factorises for hinged-hinged end conditions, leading to a first and second spectrum of natural frequencies; the latter is largely inaccurate and can be isolated and disregarded.
Stephen, N.G., Puchegger, S.
core   +1 more source

Rayleigh Waves in a Rotating Orthotropic Micropolar Elastic Solid Half-Space

open access: yesInternational Journal of Geophysics, 2013
A problem on Rayleigh wave in a rotating half-space of an orthotropic micropolar material is considered. The governing equations are solved for surface wave solutions in the half space of the material.
Baljeet Singh   +2 more
doaj   +1 more source

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