نتایج جستجو برای: wire length cost function
تعداد نتایج: 1841023 فیلتر نتایج به سال:
abstract the production unit size is one of the effective factors in optimum uses of inputs. since optimum size is affected by the characters and economical conditions in each district, the studies for determining the optimum farm size should be done specially for each crop and each district. in this study tried to determine the optimum rice farm size in guilan province which is one of the most...
this paper investigates the performances of artificial neural networks approximation, the translog and the fourier flexible functional forms for the cost function, when different production technologies are used. using simulated data bases, the author provides a comparison in terms of capability to reproduce input demands and in terms of the corresponding input elasticities of substitution esti...
The Lee path connection algorithm is probably the most widely used method for finding wire paths on printed circuit boards. It is shown that the original claim of generality for the path cost function is incorrect, and a restriction, called the pathconsistency property, is introduced. The Lee algorithm holds for those path cost functions having this property. Codings for the cells of the grid a...
Chronic total occlusion (CTO) angioplasty is one of the most challenging procedures remaining for the interventional operator. Recanalizing CTOs can improve exercise capacity, symptoms, left ventricular function and possibly reduce mortality. Multiple strategies such as escalating wire, parallel wire, see-saw, contralateral injection, subintimal tracking and re-entry (STAR), retrograde wire tec...
In this paper we present and discuss our results for the conductance and conductance fluctuations of narrow quantum wires with two types of disorder: boundary roughness (hard wall confining potential) and islands of strongly scattering impurities within the bulk of the wire. We use a tight– binding Hamiltonian to describe the quantum wire, infinite perfect leads, a two–terminal Landauer–type fo...
We present eecient, optimal algorithms for timing optimization by discrete wire sizing and buuer insertion. Our algorithms are able to minimize a cost function subject to given timing constraints; we focus on minimization of dynamic power dissipation, but the algorithm is also easily adaptable to, for example, area minimization. In addition, the algorithm eeciently computes the complete, optima...
Abstract The transport properties of molecular wire comprising B 40 fullerene are investigated by employing density functional theory (DFT) and non-equilibrium green’s function (NEGF) methodology. quantum is evaluated calculating the states, transmission spectra at various bias voltages, energy spectra, HOMO-LUMO gap, current–voltage curve, pathways. In context to its properties, results show t...
Traditionally, the algorithms that optimize placement of cells in a VLSI layout rely on a cost function that includes a distance metric. The choice of a cost function may limit the choices in devising new, more e cient and more e ective algorithms. The metric we propose relies on the interval graph of net nodes, induced by each speci c placement of cells into a row. Nominally, the metric associ...
In order to improve accuracy of computer-aided diagnosis of breast lumps, the authors introduce an improved interactive segmentation method based on Live Wire. This paper presents the Gabor filters and FCM clustering algorithm is introduced to the Live Wire cost function definition. According to the image FCM analysis for image edge enhancement, we eliminate the interference of weak edge and ac...
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