... 弗芮耳反射 Fresnel reflection 弗芮耳场区 Fresnel region 弗芮耳关系式 Fresnel relationships ...
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Fresnel region pattern 菲涅尔区方向图
region Fresnel 弗芮耳场区
Fresnel diffraction region 菲涅耳区
It is shown that many properties of diffraction in the Fresnel region can be obtained.
从中可得到菲涅耳衍射区的许多特性。
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。
Basing on the light diffracting theory of Kirchhoff, we obtain the expression for the intensity of speckles in deep Fresnel diffraction region.
本文利用基尔霍夫近似理论，对菲涅耳极深区相干散斑和部分相干散斑进行了理论研究和计算模拟。
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