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A two-dimensional(2-D) analytical model for substrate effect of lateral power devices is developed. By solving the 2-D Poisson's equation, an analytical model is proposed and verified by the agreements between the analytical results and numerical simulation results using MEDICI. It suggests that the optimized substrate voltage modules the distributions of the surface potential and electrical field,...
Based on the analysis of value chain, industry chain and stakeholders about the video service website, by building the profit pattern model, this paper analyzed the profit model of the existing main video websites. The video sites need to do something from the following aspects for profit: first, they should optimize the structure of profit model; secondly, they should extend the value chain and increase...
This paper focuses on the electrical simulation and analysis of silicon interposer. Basic interconnect elements such as TSV and RDL are simulated and verified with measurement results, electrical parameters are extracted and analyzed. Segmentation is used in long signal path modeling to improve simulation efficiency with a fine accuracy. Silicon interposer is segmented into many interconnect pieces...
Agricultural supply chains management is increasing in recent years, among academics as well as practitioners. In this paper, we present a supply chain simulation study for a real case, with the agricultural manufacture and distribution systems of cooperative-centered in concern. We evaluated the key performance indicator of the whole supply chains by building and simulating 3 present models of agricultural...
In recent years, social networks of various type emerge continuously, on which the public opinion spread attracted wider interest. For the public opinion spread, game theory is utilized to model it from the rational game and non-rational game aspects. Later the game analysis is integrated into the network state conversion (NSC) model to experiment on more real situation. Through large amount of simulation...
LED with the advantages of high brightness, long-lifetime, energy-saving and environmental protection is widely used in varieties of fields especially the lighting industry. Thermal performance is the key to high power LED lighting integration, which has got broad concern and research. And the thermal management and thermal reliability has been improved quickly in recent years. While, more and more...
In this paper, electrical characteristic of TSV (Through Silicon Via) is analyzed. Firstly, equivalent circuit model of TSV is summarized. Modeling and electrical analysis of TSV is conducted, in which TSVs with ideal and non-ideal profiles are compared. And then, multi-TSV configuration in silicon interposer is modeled and analyzed. Capacitive and inductive coupling between TSVs are simulated. With...
The integration of Planning and Scheduling (P&S) and Workflow is a significant challenge for knowledge acquisition in planning and scheduling. There have been some works on the definition of workflow that allows non-expert entering domain knowledge to be used in planning and scheduling. In order to analyze and verify the rationality of the planning and scheduling domain model, we extend the workflow...
Workflow is a challenge tool for modeling planning and scheduling domain. There have been some works on the definition of workflow that allows non-expert entering knowledge on the organization process to be used in planning and scheduling. In the workflow model for planning and scheduling, activities may interfere with each other so as to bring on inconsistency, especially in a hostile or competitive...
The theory of quadratic variation suggests that, realized volatility is an unbiased and highly efficient estimator of return volatility under suitable conditions. In this article, we compare the realized logarithmic volatilities models VAR-RV and AR-RV computed from high-frequency intra-period data with the traditional daily return evaluation models VAR-R and Daily-GARCH in China A-stock market. The...
Complex adaptive system (CAS) approach is effective for modeling supply chain system with structural and behavioral dynamics. This paper proposes a complex adaptive supply chain framework based on information message transfer in terms of the forming mechanism of supply chain. The dynamical growth of the whole network is simulated: isolated nodes randomly distributed in the environment build connections...
Image mosaic is important in the filed of computer vision. In this paper, SUSAN corner detector is used to extract feature point, and the phase correlation technique is used to roughly estimate translational parameters of two images. The wrongly matched points are deleted with RANSAC algorithm after the initial matching. At the same time, fundamental matrix and homography matrix are estimated robustly...
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