Second, solve electromagnetic wave propagation of two-dimension concave objects by symplectic Geometrical Theory, and get better field solutions in caustic field2)comparing with classical GO method.
二利用辛几何理论求解电磁波在二维凹面体散射中的传播问题，与经典的GO解比较，特别在焦散区得到较理想的场解。
By the classical electromagnetic theory, the effect of applied electrical and magnetic field on THz emission can be attributed to the acceleration motion of carriers in semiconductors.
借助于经典电磁理论的定性分析，认为太赫兹发射光谱在外加电场、磁场作用下的增强起源于半导体中载流子的加速运动受外加电场和磁场的影响。
The earlier chapters describe the quantum mechanics of various optical processes, leading from the classical representation of the electromagnetic field to the quantum theory of light.
前几章描述各种各样的视觉的过程的量力学，从电磁场的古典代表到光的量子理论领导。
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