Divided diffraction region 绕射分区
Fresnel diffraction region 菲涅耳区
Effective diffraction region 有效衍射区域
The mathematical models and their limitative condition of radar electromagnetic wave propagated in interference region, intermediate region and diffraction region are set up respectively.
分别建立雷达电磁波在干涉区、中间区和绕射区传播的数学模型和它们适用的边界条件。
The fields in transition and caustic region of dielectric coated objects are obtained by geometric theory of diffraction.
本文应用几何绕射理论对介质覆盖体上过渡区和焦散区的场进行了详细地分析。
Finally we extend the Fresnel number to the region of complex number, and use it to investigate the diffraction problem of a truncated Gaussian beam.
最后，把菲涅耳数推广到复数域，并用于研究截断高斯光束的衍射问题。
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