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For realizing non-intrusive protection of open SCADA systems, a non-intrusive solution for distributed open SCADA systems is proposed. The solution consists of three functionality parts: Abstract Execution, Refine State, and Behavior Checking. The approach provides a runtime verification of the system by combining cyclic semantic reconstruction of VM and abstract execution of SCADA services. First,...
Network provides a new platform for ethical education, but in reality, there are still many shortcomings of network ethical education in the content, the ways and methods. Strengthening the network ethical education should pay more attention to humane care and teach students moral choice as well as value network ethical innovation.
Fractal image compression algorithm has some problems, such as high computational complexity and long time consumption. In this paper the parallel implementation of fractal image compression algorithm in Web service environment is discussed. The experiments show this algorithm can greatly reduce the compression time and achieve a high speedup at the same quality of decompressed image. The proposed...
The design of the system considered PC as control center, communicated through the RS232/RS485 modular converter, the RS485 bus, single-chip, and multi-sensors. The various subsystems monitored the single-chip as core and realized the real-time monitoring of anti-theft systems, fire protection systems, flammable gas detection system, emergency lighting circuit system. The system made use of VB programming...
Aimed at the deficiency of research and development in management information system for dam safety monitoring (DSMMIS) at home and abroad, considering the developing demand of dam safety monitoring and management, DSMMIS based on B/S (Browser/Server) have been researched. Based on B/S, the system is designed and realized by adopting ASP.NET(C#) technique and SQL server 2005 database, mainly including...
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