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Recommendation technology is an important technology to solve problems of information overwhelmed. However, recommendation system has many shortages such as lack of ability to discover knowledge hidden in data of users' online behaviours, poor personalized service, weak recommendation efficiency and effectiveness. In this paper, we put forward a(More)
Intelligent reconfigurable modulation and demodulation technology is a key technology to solve heterogeneous network convergence. In this paper, the basic principle of reconfigurable modulation demodulation based on hierarchical strategy is introduced, and the simulation is carried out to prove that it is right in theory. It is effective. Finally, the(More)
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