Results 31 to 40 of about 3,583,165 (298)

Rank deficiency of Kalman error covariance matrices in linear time-varying system with deterministic evolution [PDF]

open access: yes, 2016
We prove that for-linear, discrete, time-varying, deterministic system (perfect-model) with noisy outputs, the Riccati transformation in the Kalman filter asymptotically bounds the rank of the forecast and the analysis error covariance matrices to be ...
Alberto Carrassi   +11 more
core   +2 more sources

Bell inequality and CP violation in the neutral kaon system [PDF]

open access: yes, 2001
For the entangled neutral kaon system we formulate a Bell inequality sensitive to CP violation in mixing. Via this Bell inequality we obtain a bound on the leptonic CP asymmetry which is violated by experimental data.
Ancochea   +29 more
core   +2 more sources

Observational Aspects of Symmetries of the Neutral B Meson System [PDF]

open access: yes, 2013
We revisit various results, which have been obtained by the BABAR and Belle Collaborations over the last twelve years, concerning symmetry properties of the Hamiltonian, which governs the time evolution and the decay of neutral B mesons.We find that ...
Fidecaro, Maria   +2 more
core   +2 more sources

Evaluation of Lightning Impulse Test by Frequency Response Analysis [PDF]

open access: yes, 2006
In this work are presented the basis for improving the interpretation of transformer lightning impulse test and the development of a graphical user interface system, which allows comparisons of time domain data and frequency response.
Ramírez, Jorge, Valecillos, Baudilio
core   +3 more sources

Impact of K-H Instability on NOx Emissions in N2O Thermal Decomposition Using Premixed CH4 Co-Flow Flames and Electric Furnace

open access: yesEnergies, 2023
This study systematically investigates the formation of NOx in the thermal decomposition of N2O, focusing on the impact of Kelvin–Helmholtz (K-H) instability in combustion environments.
Juwon Park   +6 more
doaj   +1 more source

Feasibility study of ultra-low-head hydro turbines for energy extraction from shallow waterways

open access: yesHeliyon
Ultra-low-head turbines can harness energy from previously deemed unsuitable sites, including natural and man-made locations like shallow estuaries, marine canals, and industrial waterways.
Mohamed Murshid Shamsuddeen   +3 more
doaj   +1 more source

Recent Advances toward Carbon-Neutral Power System

open access: yesElectricity, 2023
The pursuit of a carbon-neutral society has emerged as a global imperative in the face of escalating environmental challenges [...]
Poria Astero
doaj   +1 more source

Test of CPT Symmetry and Quantum Mechanics with Experimental data from CPLEAR

open access: yes, 1995
We use fits to recent published CPLEAR data on neutral kaon decays to $\pi^+\pi^-$ and $\pi e\nu$ to constrain the CPT--violation parameters appearing in a formulation of the neutral kaon system as an open quantum-mechanical system.
A. Angelopoulos   +115 more
core   +2 more sources

Adsorption of Ethylene on Neutral, Anionic and Cationic Gold Clusters [PDF]

open access: yes, 2009
The adsorption of ethylene molecule on neutral, anionic and cationic gold clusters consisting of up to 10 atoms has been investigated using density-functional theory.
Lyalin, Andrey, Taketsugu, Tetsuya
core   +2 more sources

Almost automorphic solutions of discrete delayed neutral system

open access: yes, 2015
We study almost automorphic solutions of the discrete delayed neutral dynamic system% \[ x(t+1)=A(t)x(t)+\Delta Q(t,x(t-g(t)))+G(t,x(t),x(t-g(t))) \] by means of a fixed point theorem due to Krasnoselskii.
Adıvar, Murat, Koyuncuoglu, H. Can
core   +1 more source

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