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In order to improve the traffic security level of freeway, this paper first analyzed the mechanisms of traffic accidents on long steep slope. Then, traffic conditions under different actual loading rates and slope lengths were simulated by Vissim. According to security evaluation measured by average speed and conflict intensity, reasonable slope length was selected under certain loading rate. Finally,...
A novel IDS model based on Bayesian fusion approach is studied in this paper. The model comprises several parts such as the pixel level fusion, feature level fusion, decision-making level fusion and so on. Experiments show that the model could result in a better recognition of attacks through processing procedures including noise reduction, feature extraction, inference and decision-making.
Based on object-based storage (OBS), we propose the design of a new WEBGIS architecture. We describe the improvements of the management and share of mass spatial information, as well as performance comparison with traditional storage technology. Object-based storage has the advantages of scalability, native security and dynamic reconfiguration. Integrated object-based storage technology, WEBGIS could...
From the viewpoint of risk the power system security and reliability under the environment of electricity market were researched. Because in competitive electricity market the power generation companies, power grid companies and load service entities belong to different economic bodies respectively, so that in the system operation, planning and design the consideration of the factors impacting system...
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