... closed-topped roll housing 闭口式轧机机架 fan-topped pediment 冲积扇覆盖的山前侵蚀平原 flat topped beam 平顶射束 ...
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on-axis flat-topped beam 轴上平顶光束
partially coherent flat-topped beam 部分平顶光束
Nonparaxial truncated flat-topped beam 非傍轴截断平顶光束
flat-topped multi-Gaussian beam 平顶多高斯光束
partially coherent flat-topped light beam 部分相干平顶光束
partially coherent flat-topped gaussian beam 部分相干平顶高斯光束
A flat-topped beam can be achieved by a suitable choice of the transform order for the Cosine-Gaussian beams with the modulation parameter.
对给定调制参数的余弦-高斯光束，通过适当选取分数傅里叶变化阶数可以获得平顶的光强分布。
The influence of atmospheric turbulence on partially coherent flat-topped Gaussian beam is studied numerically in this paper.
本文用数值模拟的方法研究了湍流对通过其后的部分相干平顶高斯光束的影响。
The results show that we can conveniently control the intensity distribution of the partially coherent flat-topped beam by use of the fractional Fourier transform optical system.
结果表明，使用分数傅立叶变换，我们可以方便地控制部分相干平顶光束的光强分布。
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