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VC morphological development of measurement system


Processing, thereby improving the performance of a serious event processing in real time. Database maintenance management software,[link widoczny dla zalogowanych], maintenance and management of the corresponding module in the database. It collected a database of measurement data is compressed at different time periods to calculate the basic performance indicators, and saved to the analysis of the database, and can be extracted from the database necessary data required. Some obsolete data, the software also provides a clean-up some tools, this will greatly reduce the burden on the database. The system also provides a number of other auxiliary functions, l: L ~ n \Figure 4, panel-based system, complete graph,[link widoczny dla zalogowanych], it is the external expression of the master module,[link widoczny dla zalogowanych], but also the implementation of virtual instruments by the framework agreement. Figure 5-based evaluation system in the school campus in the state diagram for the network. The figure to 10 minutes for data collection interval, continuous transmission of 20 56Bytes the ICMP packets, packet loss rate for the end to end network response time for real-time display. Through the network status map, the user can visually see the current network conditions, and can find problems in time to provide the basis for performance analysis module. It can be seen from the network's busiest day time period (maximum time network load) 12 to 14 points and 20 to 22 points. 5 conclusion is based on virtual instrument technology network performance evaluation system is a virtual instrument technology in network performance testing of a new attempt, it will feature the virtual instrument technology is introduced into the modular network performance measurement system designs, which greatly simplifies the system design, and greatly improve the flexibility and functionality of the system scalability, which is now extremely well adapted to the needs of the rapid development of the network. The system needs to improve network data collection and method of the multidimensional nature of diversity and intelligent data analysis to be comprehensive monitoring of network performance. References [1] Qin Shuren, Zhang Fu, Tang Baoping, et al. Integrated test and virtual instruments [J]. China Mechanical Engineering, 1999,10 (1) :77-80. [2] Qin Shuren. A test instrument virtual instrument from hardware to software [J]. Vibration test and determine, 2O00, 20 (1) :1-7. [3] Fei, et al. Traffic Engineering based network performance monitoring and control system [J]. Computer Engineering and Applications ,2001,16:50-54. [4] Wang Xingang, et al. Integrated Windows-based network performance monitoring system [J]. Computer Applications ,2002,35:90-92. [5] Zhang Wenjie, et al. Specify a network performance evaluation framework [J]. Computer Engineering and Applications ,[link widoczny dla zalogowanych],2003,10:14-16. (Continued from page 5 after the degree of cell diagram, Figure 3 is the result of threshold segmentation, image denoising, boundary tracking, binary image obtained after marker renderings. Table 4 is the marked image after the data reports produced after the measurement, area code and the markup in Figure 3 is the same. Table 4 Data Report of the system algorithm has the following outstanding advantages: (1) the number of tags allows a lot of tags. The basic idea of the image tag is replaced with the tag number of gray values. Thus the traditional method can not be labeled cells over a 255 number,[link widoczny dla zalogowanych], by improving the system, using 16-bit unsigned integer to represent the tag number, so that number can reach 65,535 mark. (2) processing speed. Through the grayscale image, binary, image denoising, image tags, boundary tracking a series of operations, and ultimately get the boundary points of each cell sequence. This measurement of the image into operation only on boundary points, greatly increasing the processing speed. (3) object-oriented software design mechanisms to facilitate system upgrades and maintenance, such as the need to measure the cells, other parameters, just do a class on Cmeasure local expansion, not the entire software to be modified. References [1] View of Australian content. Computer image processing [M]. Beijing: Tsinghua University Press. 2000. [2] Zhang Yu-Jin. Image processing and analysis [M]. Beijing: Tsinghua University Press, 2001. [3] Hou Junjie. Layman MFC [M]. Wuhan: Huazhong University Press. 2002. [4] Yang Shuying. VC + ten image processing program design [M]. Beijing: Tsinghua University Press, 2003. 【5] MatthewH. Austere. GenericProgr ~ mingandtheSTL [M]. Beijing: China Electric Power Press, 2003. [6] RonaldJ. Norman. Object-Oriented Analysis and Design [M]. Beijing: Tsinghua University Press, 2O00.

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