نتایج جستجو برای: hybrid three
تعداد نتایج: 1449923 فیلتر نتایج به سال:
We propose two kinds of hybrid photonic crystal fiber (PCF) structures and investigate the properties of such PCFs in detail. The modal effective index, mode field area, confinement loss, group velocity dispersion, and birefringence are numerically simulated and compared with those of the corresponding index-guiding and bandgap PCFs, which allows for a deeper understanding of the guiding mechan...
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The conclusions reached by a diverse group of scientists who attended an intense 2-day workshop on hybrid organic-inorganic perovskites are presented, including their thoughts on the most burning fundamental and practical questions regarding this unique class of materials, and their suggestions on various approaches to resolve these issues.
Lake Metztitlán was dried up completely in the spring of 1998 and refilled in August of that year. In the period September-November, two cohorts of 1.6 million juveniles of a tilapia hybrid were stocked (Oreochromis aureus/O. niloticus), and monitored every month for one year. Since the date of birth of these juveniles was known, the analyses focused on whether the ring marks of the scales, sag...
We make the first calculation of the electroweak couplings of hybrid mesons to conventional mesons appropriate to photoproduction and to the decays of B or D mesons. E1 amplitudes are found to be large and may contribute in charge exchange gammap-->nH(+) allowing production of (among others) the charged 1(-+) exotic hybrid off a(2) exchange. Axial hybrid meson photoproduction is predicted to be...
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Cancer classification and feature (gene) selection plays an important role in knowledge discovery in genomic data. Although logistic regression is one of the most popular classification methods, it does not induce feature selection. In this paper, we presented a new hybrid L1/2 +2 regularization (HLR) function, a linear combination of L1/2 and L2 penalties, to select the relevant gene in the lo...
Actually, the Hybrid Systems (HS) approach is very used to solve problems where different knowledge representations are involve in one system. This integration has the advantage to compensate the weakness of one or another system complementing their strengths. The Neuro-Symbolic Hybrid Systems (NSHS) arise of the HS as an approach that offer the possibility to implement robust systems where the...
Fault diagnosis is a challenging task in the control of Hybrid Systems. In this work we introduce the notion of diagnosability of Hybrid Systems in the framework of Hybrid Input Output Automata (HIOA). We present a methodology for detection of faults imposing the conditions for a Hybrid System to be diagnosable. This approach is applicable to a wide rage of systems since Hybrid Systems involve ...
One problem of modelling hybrid systems with existing notations of hybrid automata is that there is no modular structure in the model. We introduce an extended modelling notation which allows the modelling of a system as a hierarchical structure of modules. The modules are capable of communicating through the elements of an explicitly defined interface. The interface consists of signals and var...
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