关键词： 电子回旋辐射；高斯光学；天线系统；异常模二次谐波 [gap=9475]Key words: Electron cyclotron emission; Gaussian optics; Antenna system; Novel second harmonic
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In the paper, it is attempted to choose suitable slices of phase for beam shaping by use of binary optics, for example, the uniformization of Gaussian beam is calculated numerically.
偿试利用二元光学的方法选择合适数的相位片对光束进行整形，并就高斯光束均匀化为例进行了数值计算。
It is shown that the geometrical optics model can not be used to describe the object-image transformation of Gaussian beam through the lens under the general case.
结果表明，在一般情况下，几何光学模型不能描述高斯光束经这种透镜的物像变换。
Based on the matrix optics, the propagation and transformation characteristics of Gaussian beam through a parabolic gradient-index rod with the spherical end surfaces are analyzed.
本文采用矩阵光学的方法，分析了高斯光束经球端面抛物型梯度折射率棒透镜的传播与变换特性。
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