نتایج جستجو برای: multilayer

تعداد نتایج: 19598  

Journal: :Journal of the Surface Finishing Society of Japan 1989

Journal: :Journal of Applied Physics 1997

1989
Tony Martinez Michael Lindsey

Rosenblatt's convergence theorem for the simple perceptron initiated much excitement about iterative weight modifying neural networks. However, this convergence only holds for the class of linearly separable functions, which is vanishingly small compared to arbitrary functions. With multilayer networks of nonlinear units it is possible, though not guaranteed, to solve arbitrary functions. Backp...

1998

Fluorescent lamp luminaires with multilayer polarizer panels produce partially polarized light*, which can increase the contrast of a visual task under some viewing conditions. In principle, a decrease in illuminance can accompany an increase in task contrast without affecting visual performance. Because a reduction in illuminance implies a reduction in the electric power used for lighting, mul...

Journal: :Applied optics 2007
Joseph L Hollmann Lihong V Wang

A method for improving the accuracy of the optical diffusion theory for a multilayer scattering medium is presented. An infinitesimally narrow incident light beam is replaced by multiple isotropic point sources of different strengths that are placed in the scattering medium along the incident beam. The multiple sources are then used to develop a multilayer diffusion theory. Diffuse reflectance ...

2015
Gaihua Wang Yihua Lan

For introducing the advantages of feature learning and multilayer network in the interpretation of Polarimetric synthetic aperture radar (PolSAR) image, a classification algorithm based on deep convolutional neural network is proposed, and is used for PolSAR image classification. Firstly, a special convolutional neural network (CNN) for PolSAR image is constructed, secondly, a large number of P...

2017
Matthieu Roussey

The paper presents a novel concept for the on-chip integration of a multilayer platform sustaining Bloch surface waves further enhanced by the so-called slot waveguide effect. Through simulations, we demonstrate that a carefully designed polymer waveguide arrangement coated with a subwavelength dielectric multilayer can be efficiently used to first excite a Bloch surface wave at the surface of ...

2016
Ginestra Bianconi

The Susceptible-Infected-Recovered (SIR) model is studied in multilayer networks with arbitrary number of links across the layers. By following the mapping to bond percolation we give the exact expression for the epidemic threshold and the fraction of the infected individuals in arbitrary number of layers. The case of a multilayer network formed by two interconnected networks is specifically st...

Journal: :Optics express 2014
Nicolai F Brejnholt Regina Soufli Marie-Anne Descalle Mónica Fernández-Perea Finn E Christensen Anders C Jakobsen Veijo Honkimäki Michael J Pivovaroff

Focusing optics operating in the soft gamma-ray photon energy range can advance a range of scientific and technological applications that benefit from the large improvements in sensitivity and resolution that true imaging provides. An enabling technology to this end is multilayer coatings. We show that very short period multilayer coatings deposited on super-polished substrates operate efficien...

Journal: :Advanced drug delivery reviews 2011
Stefaan De Koker Liesbeth J De Cock Pilar Rivera-Gil Wolfgang J Parak Rachel Auzély Velty Chris Vervaet Jean Paul Remon Johan Grooten Bruno G De Geest

Polymeric multilayer capsules have emerged as a novel drug delivery platform. These capsules are fabricated through layer-by-layer sequential deposition of polymers onto a sacrificial core template followed by the decomposition of this core yielding hollow capsules. The resulting nanometer thin membrane is permselective, allowing diffusion of water and ions but excluding larger molecules. Moreo...

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