نتایج جستجو برای: geometrical designs

تعداد نتایج: 99168  

Journal: :CoRR 2014
Hugo Reboredo Francesco Renna A. Robert Calderbank Miguel R. D. Rodrigues

This paper derives fundamental limits on the performance of compressive classification when the source is a mixture of Gaussians. It provides an asymptotic analysis of a Bhattacharya based upper bound on the misclassification probability for the optimal Maximum-A-Posteriori (MAP) classifier that depends on quantities that are dual to the concepts of diversity-order and coding gain in multi-ante...

2004
Wei Huang Mircea R. Stan Kevin Skadron

This paper presents an approach of compact thermal modeling — HotSpot, which is parameterized according to design geometrical dimensions and material physical properties. While most existing compact thermal modeling methods facilitate thermal analysis of existing package designs, the HotSpot modeling method is more suitable for the exploration of new designs at both the die level and the packag...

Journal: :Optics express 2014
Majid Sodagar Reza Pourabolghasem Ali A Eftekhar Ali Adibi

We have designed interlayer grating couplers with single/double metallic reflectors for Si/SiO(2)/SiN multilayer material platform. Out-of-plane diffractive grating couplers separated by 1.6 μm thick buffer SiO(2) layer are vertically stacked against each other in Si and SiN layers. Geometrical optimization using genetic algorithm coupled with electromagnetic simulations using two-dimensional (...

2010
Tom Verstraete

This paper presents an optimization tool used for the design of turbomachinery components. It is based on a metamodel assisted evolutionary approach combined with a Computer Aided Design (CAD) library for the shape generation. The analysis of the components performance is performed by Computational Solid Mechanics (CSM) and Computational Fluid Dynamics (CFD). Typical optimization problems inclu...

Journal: :IET nanobiotechnology 2007
T Sun N G Green S Gawad H Morgan

Microfabricated impedance cytometers have been developed to measure the electrical impedance of single biological particles at high speed. A general approach to analytically solve the electric field distributions for two different designs of cytometers: parallel facing electrodes and coplanar electrodes, using the Schwarz-Christoffel Mapping method is presented. Compared to previous analytical ...

2003
D. Zhou

,/ This paper models high-speed VLSI interconnects by using a generic distributed RLC-tree. Through a detailed analysis of the distributed RLC-tree a two-pole approximation system is consequently established to formulate the performance-driven layout in MCM designs. An in-depth study of the formulated performance-driven layout problem reveals the interplay between the interconnector's performan...

Journal: :پژوهش های حبوبات ایران 0
رضوی رضوی زایرزاده زایرزاده خفاجی خفاجی پهلوانی پهلوانی

some physical properties such as geometrical, gravimetrical, frictional and aerodynamic features of seeds of desi chickpea and its splits were studied at a moisture content of 8.2 and 9.0% w., respectively from north-western of iran. geometrical and gravimetrical properties including the average length, width, thickness, the geometric mean of diameter, sphericity, 1000-seed weight, unit weight,...

2014
Thorsten Trippel Daan Broeder Matej Durco Oddrun Pauline Ohren

Measuring the quality of metadata is only possible by assessing the quality of the underlying schema and the metadata instance. We propose some factors that are measurable automatically for metadata according to the CMD framework, taking into account the variability of schemas that can be defined in this framework. The factors include among others the number of elements, the (re-)use of reusabl...

2003
Boris Plotkin

In the paper the main attention is paid to conditions on algebras from a given variety Θ which provide coincidence of their algebraic geometries. The main part here play the notions mentioned in the title of the paper.

2010
Yew Mun Hung

This work is aimed to study the effects of geometric design on the thermal performance of star-groove micro-heat pipes. A mathematical one-dimensional, steady-state model is developed from the first principles where the continuity, momentum, and energy equations of the liquid and vapor phases, together with the Young–Laplace equation, are solved numerically to yield the heat and fluid flow char...

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