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In the process of traditional classroom teaching, the classroom atmosphere is generally dull, which greatly restricts the teaching quality and learning efficiency. As the only school-enterprise cooperation major, the information security technology application major in Shandong Electric Power College, together with NARI, 360 and other companies, makes full use of existing resources and builds a classroom based on skills competition that is goal-oriented guidance, close to job requirements, competition and cooperation coexisting. Meanwhile, this paper forms a three-dimensional construction model focus on knowledge, ability and quality. Based on the three-dimensional construction model mentioned before, this paper has explored on three aspects: teaching model, combination of competition and training, and multi-level competition mechanism, which is of great significance to the construction of a vitality classroom centered on student learning.

A simplified mathematical model for modulation and demodulation of a single channel monopulse (SCM) system is proposed, which is based on a ship-borne pulse radar S-band guided receiver. Using the proposed mathematical model, the modulation and demodulation of single-channel and multi-channel signals were simulated respectively, and the factors influencing the modulation and demodulation of the SCM system were analysed.