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The popularity of intelligent big data era in the community, making online shopping behavior play a more and more important role in the e-commerce model. This paper evaluated the operation efficiency of the electric business group buy site scientifically by puts forward the improved rough set method and fuzzy comprehensive evaluation method. First, on the basis of the analysis of the influence factors...
Multi-body dynamic modeling, simulation and analysis are investigated for perching maneuvers of a kind of morphing aircraft. The effective morphing aircraft configuration for perching maneuvers is discussed. Multi-body dynamic model is established for the longitudinal dynamics of morphing aircraft performing a perching maneuver. The effects of morphing structures on enhancing perching performance...
With the close-range photogrammetry technology further development, and the resolution of digital cameras general increasing, the digital camera has become an important image data acquisition device. In this paper, through three-dimensional reconstruction of a small building, the two methods of fast three-dimensional reconstruction based on single image are researched, that the body and plane as the...
The software industry is facing many problems due to the inefficiency of methods or tools for process improvement, resulting in cost overruns in software engineering. The quality of the software becomes difficult to control; maintenance costs are high and system replacement is difficult. To overcome these problems, this paper introduces the Design for Six Sigma (DFSS) into the software requirement...
In the context of global economic integration and the increasing competition on the market, companies, in order to survive, need to shorten time to market and enhance product innovation. In addition, companies are facing more and more problems due to the changes in the mode of production. The following issues have become urgent problems for enterprises to solve: development in the shortest possible...
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