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2009 IEEE International Conference on network Infrastructure and Digital Content（IC-NIDC 2009）

作者： Liangrui Tang Zhongmiao Kang Institude of Electric and Electronic Engineering North China Electric Power University Beijing

The network synchronization of a threedimensional chaotic system with hyperchaotic characteristics is studied in this *** synchronization properties of the network is analyzed with nonlinear coupling,also the synchronization conditions of the fully connected network and star network are *** fully connected network,symmetric non-linear coupling method is adopted to achieve its network *** for star network,its network synchronization is realized by using unidirectional non-linear ***,numerical simulation proves the validity of the methods.

关键词： chaotic system non-linear coupling chaotic synchronization network synchronization

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The Importance of Time synchronization in the Local networks of the Science and Application Center for Lunar and Deep-space Exploration

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Acta Geologica Sinica(English Edition) 2004年第5期78卷 1104-1108页

作者： LIUGuoping OUYANGZiyuan LIChunlai LIUJianfeng NationalAstronomicalObservatories ChineseAcademyofSciencesBeijing100012 PekingUniversityofAeronauticsandAstronautics Beijing100085

The data acquisition stations and the data processing center of the Science and Application Center for Lunar and Deep-space Exploration (SACLuDE) are located at different geographical sites. They respectively have their own local networks and interconnect with each other through access to the core data network. This paper describes the clock drift in the computer and other networked devices building up the infrastructure of the above local networks. The network time variance of the stochastic model is also estimated. The poor precision of network synchronization will bring about potential hazards to the network operation and application running in the networks, which is clarified in the present paper. At the end of the paper, a cost-effective and feasible solution is proposed based on the Global Position System (GPS) and the network Time Protocol (NTP).

关键词： SACLuDE clock drift network time variance network synchronization GPS NTP

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Multi-missile Distributed Cooperative Guidance Law Based on De Bruijn network

Multi-missile Distributed Cooperative Guidance Law Based on ...

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第37届中国控制会议

作者： Zhang Xi Shui Yongtao Wang Yonghai Lu Baogang Wang Sheling Beijing Institute of Space Long March Vehicle

In order to realize cooperative engagement for multi-missile, a new guidance law based on De Bruijn network is introduced in this paper. Firstly, the theory of network synchronization which is no need to estimate the impact time manually is used to design the guidance law, and the advantage is that the state of all the missiles will converge automatically in a short ***, by adopting De Bruijn network to build the local interactions, the communication network has good fault tolerant property, flexibility and high reliability to ensure information sharing and exchange among missiles. Finally, it is strictly verified by the simulation results that the law can drive all the missiles salvo attack the stationary target simultaneously.

关键词： De Bruijn network Cooperative Guidance Law network synchronization

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