| 基于MATLAB的波导和谐振腔内能量传输仿真 |
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| 引用本文： | 万勇,沈自龙,蒋杰,徐良.基于MATLAB的波导和谐振腔内能量传输仿真[J].青岛大学学报(自然科学版),2011(3):19-22. |
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| 作者姓名： | 万勇 沈自龙 蒋杰 徐良 |
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| 作者单位： | 青岛大学物理科学学院; |
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| 摘 要： | 利用MATLAB软件的图形技术对波导和谐振腔内的时变电磁场的能量传输三维空间分布进行仿真，将抽象的电磁场能量概念形象化、可视化，有利于对电磁波能量传播特性的理解。通过亥姆霍兹方程和导体表面边界条件，求出矩形波导和谐振腔内电磁场分布，然后求出坡印亭矢量分布。在此基础上，利用MATLAB对TE33波模进行仿真，可以清晰看出TE33模在沿波导的横截面只发生电磁能量交换，能量沿轴向方向传输；而在谐振腔中TE33模不仅在沿谐振腔横截面只发生电磁能量交换，在纵向也只有电磁能量相互转换。
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| 关 键 词： | MATLAB 波导 谐振腔 TE波 坡印亭矢量 |
Simulation of Energy Transfer in Waveguide and Cavity Resonator with MATLAB |
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| WAN Yong,SHEN Zi-long,JIANG Jie,XU Liang.Simulation of Energy Transfer in Waveguide and Cavity Resonator with MATLAB[J].Journal of Qingdao University(Natural Science Edition),2011(3):19-22. |
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| Authors: | WAN Yong SHEN Zi-long JIANG Jie XU Liang |
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| Institution: | WAN Yong,SHEN Zi-long,JIANG Jie,XU Liang(College of Physics Science,Qingdao University,Qingdao 266071,China) |
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| Abstract: | It may concretize and visualize the energy of electromagnetic fields,and helps to enhance the understanding of the feature of electromagnetic fields energy by using graphics technology of MATLAB to simulate the energy transfer of electromagnetic fields in waveguide and cavity resonator in 3D space.According to Helmholtz Equation and boundary conditions,field distribution and the poynting vector may be obtained.Based on this theory,we simulate TE33 mode with MATLAB.Obviously,energy of electronic field and ma... |
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| Keywords: | MATLAB waveguide cavity TE wave Poynting vector |
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