Electromagnetics
电磁场与电磁波是电气工程与电子信息类专业的重要基础课程，系统讲授宏观电磁现象的基本规律及其工程应用。课程内容包括矢量分析、静电场与恒定电场、恒定磁场、时变电磁场与麦克斯韦方程组、均匀平面波在无界媒质中的传播、电磁波的反射与折射、传输线理论与波导、天线辐射基础。课程为微波、射频、天线及无线通信等方向奠定理论与计算基础。
Electromagnetics is an important foundational course for electrical and electronic information majors, systematically teaching the basic laws of macroscopic electromagnetic phenomena and their engineering applications. Topics include vector analysis, electrostatic and steady fields, steady magnetic fields, time-varying fields and Maxwell's equations, plane wave propagation, reflection and refraction, transmission lines and waveguides, and antenna radiation fundamentals. It lays the foundation for microwave, RF, antenna, and wireless communications.
学生使用 CST Studio 或 HFSS 建立半波偶极子天线模型，仿真其在 2.4 GHz 频段下的远场辐射方向图、输入阻抗与回波损耗 S11 参数。要求调整天线长度与馈电位置，分析方向性系数与带宽变化，撰写报告并附仿真截图，提交模型文件与设计文档。
Students use CST Studio or HFSS to model a half-wave dipole antenna and simulate its far-field radiation pattern, input impedance, and S11 return loss at 2.4 GHz. They adjust antenna length and feed position to analyze changes in directivity and bandwidth, write a report with simulation screenshots, and submit the model file and design document.