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A Reflective Object-Oriented Architecture for Developing Fault-Tolerant Software

Luiz E. Buzato, Cecília M. F. Rubira, Maria Lúcia B. Lisboa
1997 Journal of the Brazilian Computer Society  
In the context of this work, computational reflection is applied to implement various strategies of fault tolerance at the meta-level in a transparent manner for the application programmer, that is, without  ...  Reflective object-oriented programming promotes a modular structuring of systems by means of a new dimension of modularization-the separation between baselevel objects and meta-level objects.  ...  Wu, from the University of Newcastle upon Tyne, for interesting discussions on fault-tolerance and computational reflection.  ... 
doi:10.1590/s0104-65001997000300003 fatcat:jfhlzhltizcjrcpyqeavrdfsbe

Testing the role of Michelson contrast for the perception of surface lightness

Christiane B. Wiebel, Manish Singh, Marianne Maertens
2016 Journal of Vision  
surround changes (only high or only low reflectances in the surround).  ...  Both model extensions point to the importance of contrast statistics across space and/or time for the computation of lightness, but it awaits future testing to evaluate whether and how the visual system  ...  Simulations of contrast distributions To illustrate the systematic relationship between contrast and surface reflectance, we simulated contrast distributions for different arrangements of target reflectances  ... 
doi:10.1167/16.11.17 pmid:27690157 fatcat:vksobvhm65ganbfmakbndjaeb4

Guideliness for Identifying Obstacles When Composing Distributed Systems from Components [chapter]

Mehmet Akşit, Lodewijk Bergmans
2002 Software Architectures and Component Technology  
For instance, nomadic and agent-based computing are some examples of new developments in the area of distributed systems.  ...  Software applications, integration and specialization of components Distributed services Available middleware technology (CORBA and WW) and networks Distributed applications, e.g. in education, healthcare  ...  The participants of the AMIDST project are the Centre for Telematics and Information Technology institute, the Telematics institute and KPN Research.  ... 
doi:10.1007/978-1-4615-0883-0_2 fatcat:2ab7bfst2rd3rbvisvygnrtyzq

Dielectric Meta-lattices with Tunable Reflectivity

Suhandoko Dwi Isro, Soehianie Agoes, Alexander Agustinus Iskandar
2022 Journal of Mathematical and Fundamental Sciences  
The meta-lattice was shown to be capable of providing near-zero and near-unity reflectance at any desired wavelength, even in oblique incidence cases.  ...  It was found that switching from transparent state to reflective state can be done by simply varying one optical parameter of the meta-lattice.  ...  The proposed system is capable of reaching near unity reflectance/transmittanceeven in oblique incidence light caseswith switchable reflective and transparent states.  ... 
doi:10.5614/ fatcat:57wzchyaz5cotfuwdu4px3isye

Using Message Reflection in a Management Architecture for CORBA [chapter]

Maarten Wegdam, Dirk-Jaap Plas, Aart van Halteren, Bart Nieuwenhuis
2000 Lecture Notes in Computer Science  
We argue why management should be transparent to the application developer and show that message reflection supports this management transparency.  ...  In this paper, we present a management architecture for object middleware based systems.  ...  In this paper, we describe how to add management to an object middleware system in a transparent manner, effectively extending the distribution transparencies with a new management transparency.  ... 
doi:10.1007/3-540-44460-2_20 fatcat:nw5iq76dzfaanhbalx5cfsw44u

Ultralow-power and ultrafast all-optical tunable plasmon-induced transparency in metamaterials at optical communication range

Yu Zhu, Xiaoyong Hu, Yulan Fu, Hong Yang, Qihuang Gong
2013 Scientific Reports  
-power and ultrafast all-optical tunable plasmon-induced transparency in metamaterials at optical communication range.  ...  Unfortunately, up to now, very small experimental progress has been made for all-optical tunable plasmon-induced transparency in metamaterials in the visible and near-infrared range because of small third-order  ...  90921008, and the program for New Century Excellent Talents in University.  ... 
doi:10.1038/srep02338 pmid:23903825 pmcid:PMC3730171 fatcat:xdhqysqzzvawxjsey2h6hh7sqm

Development of 3D Measurement System Using Phase Shift Digital Holography

2015 Electronics and Communications in Japan  
Using proposal method, we develop a compact 3D measurement system of phase-shift digital holography with low price and high measurement accuracy.  ...  Keywords-3D measurement, phase-shift digital holography, optical system I.  ...  According to the results of measure experiment, we concluded that 3D measurement for specular reflective and transparent objects is possible using proposal system.  ... 
doi:10.1002/ecj.11726 fatcat:mduoj7ogcfcelbvl2bjc5pi76q

An Algebraic Development of the Theory of Perceptual Transparency

1970 Ergonomics  
The resulting distribution, C f b (Fig. 1c) , is skewed with most of the density in -1 and +0.5 (Fig. 1c ).  ...  To perceive transparent media, such as stained glass, the visual system relies on a number of different cues [1], [2] .  ...  The resulting distribution, C f b (Fig. 1c) , is skewed with most of the density in -1 and +0.5 (Fig. 1c ).  ... 
doi:10.1080/00140137008931118 pmid:5416869 fatcat:mf62uq723zbwthqn2ecwmu6m3a

Optical Properties of an IR-Transparent Prismatic Plate in Exposure to the Thermal Radiation and its Application as a Radiation Rectifier [article]

Afzal Raghavi
2018 arXiv   pre-print
Optical properties of a prismatic transparent plate and its effects on thermal radiation heat transfer are studied.  ...  It is shown that in the present of a prismatic window a thermal equilibrium with a temperature gradient between two sources is possible.  ...  The resultant will be a randomly uniform distribution of rays which are emerging from the surface in random directions with cosine distribution in polar angles and uniform distribution in azimuthal angles  ... 
arXiv:1808.04177v1 fatcat:qowilrmrvncgpbnoexfiq6abza

Plasmon-Induced Transparency for Tunable Atom Trapping in a Chiral Metamaterial Structure

Zhao Chen, Yaolun Yu, Yilin Wang, Zhiling Hou, Li Yu
2022 Nanomaterials  
Here, we report a novel nanophotonics system that makes it possible to realize PIT based on guided-mode resonance and numerically demonstrate its transmission and reflection characteristics by finite element  ...  Plasmon-induced transparency (PIT), usually observed in plasmonic metamaterial structure, remains an attractive topic for research due to its unique optical properties.  ...  Simulation results show that a transparency window appears in the reflection spectrum, tuned by the structure parameters.  ... 
doi:10.3390/nano12030516 pmid:35159861 pmcid:PMC8838906 fatcat:3veiloaca5agze5t3q2ztj4tle

Compact Wideband Four Element Optically Transparent MIMO Antenna for mm-wave 5G Applications

Arpan Desai, Cong Danh Bui, Jay Patel, Trushit Upadhyaya, Gangil Byun, Nguyen Truong Khang
2020 IEEE Access  
The proposed transparent MIMO antenna is evaluated in terms of diversity gain (DG), envelope correlation coefficient (ECC), total active reflection coefficient (TARC), and mean effective gain (MEG) where  ...  The complete antenna system achieves around 85% transparency due to a combination of AgHT-8 and Plexiglas which forms the transparent conductive patch/ground and substrate, respectively.  ...  The transparent MIMO system attains 85% optical transparency with impedance bandwidth of 12% and 28.86% at targeted frequency bands along with gain and efficiency values in the range of 3 dBi and 75%,  ... 
doi:10.1109/access.2020.3033314 fatcat:rja3p4ixlneitptlbwjmt4rheu

Page 874 of Physical Review Vol. 52, Issue 8 [page]

1937 Physical Review  
Illustrating how the reflection properties of a crystal at various angles @ for various wave-lengths \ may be visualized as a function distributed over a plane car- tesian coordinate system.  ...  It will soon be apparent that the most helpful way to think of this intensity distribution over \ and @ is to represent it as a transparency.  ... 

Reflections on Programming with Grid Toolkits

Emiliano Tramontana, Ian Welch
2004 European Conference on Object-Oriented Programming  
Moreover, developing Grid applications with current toolkits result in a tangling of toolkit-specific and application-specific code that makes maintenance and evolution difficult.  ...  This paper proposes solving these problems by using reflection to open up Grid toolkits, and to allow Grid applications to be developed as if they were centralised applications.  ...  In this paper we have identified related work that applies reflection to distributed systems for similar purposes.  ... 
dblp:conf/ecoop/TramontanaW04 fatcat:wxl5gqiogfbsxfsdiegiidjodm

Nuclear transparency and the onset of strong absorption regime in the12C+24Mgsystem

R. Lichtenthäler, A. Lépine-Szily, M. S. Hussein
1999 Physical Review C  
for higher energies and the so called "anomalous transparency regime", recently observed in this system at low energies.  ...  A tri-dimensional plot of the reflection coefficient of the S-matrix as a function of the angular momentum and the energy shows a well defined region of energy which separates two regimes: strong absorption  ...  Acknowledgements This work has been supported partially by FAPESP and CNPq.  ... 
doi:10.1103/physrevc.60.041601 fatcat:3oyccorr2nhphjobp5bcgk4say

High-Performance transparent Meta-surface for C-/X-Band Lens Antenna Application

Tong Cai, Guangming Wang
2017 IOP Conference Series: Materials Science and Engineering  
A novel strategy of designing high-performance transparent meta-surfaces is proposed by using an ABBA system.  ...  A well-designed transparent meta-surface, operating at f 1 =6.5 GHz and f 2 =10.5 GHz, consists of 13×17 ABBA elements with parabolic phase distributions along different dimensions.  ...  In this paper, we propose a new ABBA system to enhance the transmission efficiency of a transparent meta-surface.  ... 
doi:10.1088/1757-899x/167/1/012060 fatcat:t7sqxdq725ht5afc74ycbdibfu
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