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Against the problems existing in the collective running projects, such as not-reasonable-enough monitoring means, not-scientific-enough assessment tools, and so on, an overseeing and evaluating system of running training was designed and implemented based on the radio frequency identification(RFID), which has the advantages of high precision, comprehensive and real-time positioning. The system provides...
The outcome of smartphone greatly changes the life of people. It is of importance to understand the usage pattern of varieties of applications in social life. Many researches have centered on this topic through statistics of the log files. However, most of them treat the location of the user as an element of the statistical result but not the cause for the usage pattern. In this paper, by analyzing...
Micro-motion feature is widely applied in ballistic missile target identification, as an important method. So, on the basis of time-frequency analysis of micro-motion characteristics, identification method based on PZM (pseudo-zernike invariant moment) is proposed in the article. It mainly extracts PZM of frequency image as identification feature. Firstly, one-dimensional time-domain echo signal is...
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