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RS232 interface executes the role of Transportation and Communication, which has became the important interface between MCU of embedded system and peripheral equipment. Because RS232 mainly work in bottom of communication protocol, so it is important to protect the infrastructure of RS232. In test, pulse double electromagnetic is pulled into RS232 data transmission lines by coupling clamp, simulated...
I2C bus and RS-232 serial port are the important data communication interfaces between the MCU of embedded system and the peripheral equipment. The embedded system performance will be affected under complex electromagnetic environment by the improper disposal to the interfaces, which results in the low speed and reliability. According to the speed matching problems in current embedded programming,...
Polya count is a method which can solve a special kind of counting problems based on the theory of permutation group, and the count has been widely used in the calculation scientific field. Polya count process can be abstractly described as coloring, classification and counting of graphics, and it requires deep understanding of the real problem, such as the factors of the number of colors, topology,...
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