spreading beam 散光束
The turbulence results in a beam spreading and decrease of the maximum intensity.
湍流导致H-G光束扩展和最大峰值光强下降。
参考来源 - 湍流对厄米高斯及列阵双曲余弦高斯光束的传输和远场光束质量的影响·2,447,543篇论文数据，部分数据来源于NoteExpress
The results show that the obscuring ratio has obvious influence on the beam spreading in weak turbulence.
结果表明，对于均强聚焦光束湍流大气传输，在弱湍流效应条件下，光斑扩展受遮拦比影响较大；
The expression of optical-beam wander is obtained from above long-term optical-beam spreading formula and the MA.
应用上面长期光束扩展半径表达式和马尔可夫近似获得了光束漂移表达式。
Moreover, the scaling relation between the beam spreading and the characteristic parameter described turbulence effects is derived.
获得了常用遮拦比条件下均强聚焦光束光斑扩展和湍流效应特征参数的定标关系。
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