Based on a series of simultaneous electromagneticfieldequations contented with the boundary conditions, the characteristic equation of the circular groove guide loaded with dielectric is derived.
根据满足边界条件的一系列电磁场方程，推导出填充电介质的圆形槽波导的特征方程。
2
Maxwell's equations conserve certain properties-the magnetic field intensity, the electric displacement field and the Poynting vector that describes the electric flux of an electromagnetic field.
麦克斯韦方程中有某些特性是恒定不变的——磁场强度、电位移场以及描述电磁场电通量的坡印廷矢量。
3
By using the Maxwells equations and axial symmetry, the axial symmetric unstable electromagneticfield with unstable charge source and unstable current source is studied.