In view of the rapid development of process mining, the rapid update of related algorithms, and the urgent need to sort out a reasonable classification method, the research on the current status of process mining algo...
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With the continuous innovation of Internet technology, the explosive growth of information has become one of its most obvious characteristics, and how to break through the problem of data storage has become an urgent ...
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This paper proposes a directional polarization modulation method to enhance the transmission security in dual-polarized satellite communications. Indeed, two components of the polarized signal are respectively transmi...
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Photometry is an important optical characteristic of space targets. Due to the huge computational volume of the photometry of the full-angle of a space target, the computation time is long and is difficult to meet the...
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Community is one of the most important structure features of complex networks. It has important research significance for topological structure analysis, behavior prediction, cascading failure, percolation and spreadi...
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The space-ground integrated network is one of the important information infrastructures of the country in the future. In order to display its network structure in all directions and from multiple angles, a multi-view ...
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In order to explore the dynamic evolution of satellite communication network, this paper carried out a visualization study on the dynamic evolution model of satellite communication network based on complex network the...
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With the rapid development of network technologies such as the Internet of Things, the scale of networks has gradually increased. The P2P networks have been gradually studied, and fault detection and localization for ...
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In this paper,the gas and seed flow characters in the air-blowing seed metering device are investigated by using the coupled computational fluid dynamics and discrete element method(CFD-DEM)in three dimensions(3D).The...
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In this paper,the gas and seed flow characters in the air-blowing seed metering device are investigated by using the coupled computational fluid dynamics and discrete element method(CFD-DEM)in three dimensions(3D).The method of establishing boundary model based on the computer-aided design(CAD)drawing,has been used to build the boundary model of seed metering *** 3D laser scanning technique and multi-element method are adopted to establish the particle *** a combined numerical and experimental effort,using 3D CFD-DEM software,which is based on the in-house codes,the mechanisms governing the gas and solid dynamic behaviors in the seed metering device have been *** gas velocity field and the effect of different rotational speeds and air pressures on the seeding performance and particle velocity have been studied,similar agreements between numerical and experimental results are *** reveals that the 3D CFD-DEM model established is able to predict the performance of the air-blowing seed metering *** can be used to design and optimize the air-blowing seed metering device and other similar agriculture devices.
Based on the design goal of the joint information environment architecture of space-based network information system, this paper proposes the basic framework and design process of the joint information environment arc...
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