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By analyzing the binary executable files comparing technique, this paper presents a method to detect vulnerabilities in Windows system based on security patch comparison. The technology is mostly used for detecting vulnerabilities which are patched by Microsoft but there is no clear location and detailed information of the vulnerabilities. Finally, the result of detecting MS15-034 vulnerability experiment...
In this paper, network simulation tool NS2 were studied, and NS2 extension methods and multicast routing implementation mechanism were analyzed. Source Specific Multicast with the principle of aggregation, in the NS2 to add a new class of AggSSM gathered to support Source Specific Multicast simulation, using OTcl language and C++ language AggSSM class data structures, methods and operations are defined...
Trams intelligent logistics transportation Equipment is widely used in industrial automation system. For the short line, and it has higher requirement of positioning accuracy, using the way of SCM + stepper motor, the displacement and the speed will be converted to chip number sending by stepper motor and frequency. So, easily, it can be realized for accurate positioning and speed. Using touch screen,...
The article designs the project of wireless communication between the PLC and the computer based on nRF2401 by analysing the communication principle of PLC and computer. The PLC implements communication with nRF2401 through the MCU, and the computer implements communication with nRF2401 through the controller based on MCU. It achieves wireless communication through a pair of nRF2401 module.
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