This paper describes the spectral analysis of time-domain waveforms of different standard NEMP waveforms,and concludes that the shorter the time-domain upper body time and half width time of pulse waveforms,the wider their spectral bandwidth,and the wider the main frequency band range.It analyzes the spatial field distribution at 10MHz,and the results show that as the rising edge of the nuclear electromagnetic pulse waveform becomes steeper,the electric field value of the nuclear electromagnetic pulse first gradually increases and then decreases.Therefore,for the spatial electric field distribution,the waveform of nuclear electromagnetic pulses is not necessarily steeper but has a maximum value.
The operation of photovoltaic arrays under shadow conditions can easily result in multiple peaks, which is not conducive to system operation. This paper proposes a fuzzy logic perturbation composite improved sparrow algorithm. This method uses fuzzy logic perturbation to quickly track the maximum power point of the system operation, and then pass the system parameters to the multiple improved sparrow algorithm for simulation. The composite global chaos and reverse elite learning strategy improve the convergence speed, and the adaptive weight coordination avoids the system falling into multiple peaks, making it possible to respond to the changes of I/V in a timely manner during system operation. The improved sparrow algorithm enhances the tracking ability in shadow conditions, where it is prone to local optima. Several simulation models have been constructed to compare and illustrate the improvement of the convergence speed and tracking accuracy of the improved composite algorithm in tracking the maximum power point.
阐述以问题为中心学习的教学实践，有效提高学生掌握知识，课堂氛围较好。然而，传统的线下教学对师资配比要求严格，适合小班化教学。超星泛雅是一类移动联网教学平台，可提高师生沟通效率，方便学习讨论与资料搜集。探讨以问题为中心学习的教学结合，评估教学效果。
以大学英语课程的教学为例，阐述人工智能的应用，有助于科学构建在线课程体系、合理拓展网络教学共享资源、有效优化课程教学的结构与形式，丰富在线课程教学渠道，从而推动学科教学的生态化发展、便捷学生学习，同时提高教学实效。探讨创新智能化英语在线教学模式、建立辅助性英语教学智能平台、结合信息技术和多媒体的线上线下教学形式。
