能流密度矢量

另外，还给出了光子晶体波导中的能流密度矢量图。

In addition , Poynting vector in photonic crystals waveguide is gained .

本文对电容、自感、互感等交流元件在暂态过程和交流线路中电磁能量的传输过程进行定量的分析和计算，以验证能流密度矢量所揭示的电磁能量在场中传输的本质。

Analysis and calculation of the electromagnetic energy transmission in A. C. components ( capacitor , self-induction , mutual induction ) are made in this paper to illustrate the nature of the Poynting vector .

机械能流密度矢量

Mechanical energy flow density vector

用光轴上衍射光场的能流密度矢量作为近轴衍射光场能量传输的近似描述；

The energy transmission of near-axis diffraction has been approximately superseded by the energy flux density vector on the axis ;

通过对能流密度矢量在观察面上的积分，计算平面孔的透射系数；

Through integral of the energy flux density vector , the transmission coefficient of the plane wave and Gaussian beam of the small-aperture has been calculated ;

能流密度的微分矢量式及其应用

Application of Differential Form and Complex Formulation for Poynting Vector

文章通过对连续媒质中机械能转移的动力学分析，导出机械能流密度矢量S，并讨论了机械波中的机械能流。

In this paper , the mechanical energy flow density vector S is introduced by means of dynamical analysis of mechanical energy flow flowing in continuous media and the mechanical energy flow in a mechanical wave is also discussed .