坡印廷矢量 meaning in Chinese
energy flux vector
poynting's vector
poyntingsvector
Examples
- 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。 - In this paper , first , 1 made a study of the distribution of electromagnetic field , energy , power , reflection coefficient and transmission coefficient in waveguide with piecewise different dielectric constants . then , i simulated the behavior of propagation of am signal and gauss pulse signal through the waveguide by magic code , and gave the plots of electromagnetic field , energy , ponyting vector and their spectrums at different time and different position
在本论文中，作者首先推导出分段填充不同介质的波导中的电磁场分布、能量、传输功率以及反射系数和传输系数的表达式。然后，采用magic程序模拟了这种结构的波导中的电磁场的传播情况，得到了在不同时刻和不同位置处的电磁场分布图、能量图、坡印廷矢量图以及它们的频谱图。 - In this paper , first , the study of the distribution of electromagnetic field , energy , power , reflection coefficient and transmission coefficient in waveguide with piecewise different dielectric constants are studied . then , the behavior of propagation of am signal and gauss pulse signal through the waveguide are simulated by magic code ， and the plots of electromagnetic field , energy , ponyting vector and their spectrums at different time and different position are obtained . and , the group velocity and energy velocity of wave packet through barrier are calculated
从90年代开始， emig和martin 、 landauer等人研究了分段填充不同介质的波导中的电磁脉冲的传播。在本论文中，作者首先推导出分段填充不同介质的波导中的电磁场分布、能量、传输功率以及反射系数和传输系数的表达式,然后，采用magic程序模拟了这种波导结构中电磁波的传播情况，得到了在不同时刻和不同位置处的电磁场分布图、能量图、坡印廷矢量图以及它们的频谱图,并由模拟结果计算了波包穿越势垒的群速和能量速度。