Results 61 to 70 of about 1,759,075 (150)

Goodness-of-fit testing for regime-switching models [PDF]

open access: yes
In this paper we propose a novel goodness-of-fit testing scheme for regime-switching models. We consider models with an observable, as well as, a latent state process.
Weron, Rafal, Janczura, Joanna
core  

Numerical analysis of molecules intersystem crossing effect on a passively Q- switched laser pulse characteristics

open access: yesIraqi Journal of Physics, 2021
The effect of molecules intersystem crossing (Kisc) on characteristics (energy and duration) of a Passive Q- switched Laser Pulse has been studied by mathematical description (rate equations model) for temporal performance of which was used as a ...
Abdul-Kareem Mahdi Salih
doaj  

Code Switching and Code Mixing In Indonesian Language Learning at The Junior High School Level [PDF]

open access: yes, 2023
This study aims to explain and describe the results of observations carried out at SMP Negeri 1 Sanrobone. Based on the results of these observations or research, it is known that in the Indonesian language learning process many or often use code ...
Dewi, Anita Candra; Universitas Negeri Makassar   +1 more
core  

Influence of Absorption cross section of saturable absorber on Passive Q-switching laser pulse characteristics

open access: yesمجلة علوم ذي قار, 2019
The absorption cross section of saturable absorber influence on passive Q-switching laser pulse behavior has been studied by numerical solution of rate equations mathematical model.
Abdul-Kareem M. Salih
doaj  

Dynamic Security Configuration in China Railway Cloud Center: A Combination of Mobile Target Defense and Q-Learning

open access: yesApplied Sciences
The China Railway Cloud Center, as critical infrastructure, faces escalating cyber threats that demand proactive defense strategies beyond static mechanisms.
Honglei Yao, Yijie Yang, Wenjia Niu
doaj   +1 more source

High Concentrations of Serum Soluble E-Cadherin in Patients With Q Fever

open access: yesFrontiers in Cellular and Infection Microbiology, 2019
Cadherins switching is a hallmark of neoplasic processes. The E-cadherin (E-cad) subtype is one of the surface molecules regulating cell-to-cell adhesion.
Soraya Mezouar   +9 more
doaj   +1 more source

PERFORMANCE IMPROVEMENT OF FEMTOSECOND PULSES SELECTION DEVICE FOR CHEMICAL PROCESSES REMOTE SPECTROMETRIC CONTROL

open access: yesДоклады Белорусского государственного университета информатики и радиоэлектроники, 2019
Results of switching velocity performance improvement for high voltage switches based on MOSFTEs are presented. Parameters of developed Q-switch driver for femtosecond laser pulse picker to use at remote spectrometric control laser radiation unit are ...
K. V. Melnikov, V. A. Melnikov
doaj  

Indirect estimation of Markov switching models with endogenous switching [PDF]

open access: yes
Markov Switching models have been successfully applied to many economic problems. The most popular version of these models implies that the change in the state is driven by a Markov Chain and that the state is an exogenous discrete unobserved variable ...
Calzolari, Giorgio   +2 more
core  

Product innovation when consumers have switching costs [PDF]

open access: yes
Economists have long recognized that in free markets, incentives to innovate will be diluted unless some factors grant innovators with a temporary monopoly. Patenting is the most cited factor in the economic literature.
Salies, Evens
core  

Investigation of Saturable Absorber Length Effect on Characteristics of Passive Q-Switching and Stokes with Anti-Stokes Pulses Generated in Laser System of Nd:YVO4

open access: yesمجلة علوم ذي قار
The effect of  the saturable  absorbent material on the characteristics of a single laser pulse results from the passive Q-switching method, or two pulses.
dunya saad   +2 more
doaj   +1 more source

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