以光源、衍射孔(缝)、屏三者的相互位置不同来分 夫琅禾费衍射 ( Fraunhofer diffraction ): 光源 s 距衍射小孔或狭缝以及屏幕P距小 孔或狭缝都在无限远处。
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文章详细信息 关键词： 细丝;;直径测量;;夫琅和费衍射 [gap=495]Keywords: filament;diameter measurement;Fraunhofer diffraction
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... franck-hertz experiment 弗兰克—赫兹实验 fraunhofer diffraction 夫琅和费衍射，夫琅和费绕射 fraunhofer lines 夫琅和费谱线 ...
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fraunhofer diffraction pattern 夫朗和斐绕射模
fraunhofer diffraction theory 衍射理论
Fraunhofer diffraction by a slit 费单缝衍射
the fraunhofer diffraction fraunhofer衍射
fraunhofer diffraction model fraunhofer衍射模型
Fraunhofer diffraction formula 夫琅和费衍射公式
Fraunhofer diffraction formular 夫琅和费衍射公式
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In Fraunhofer diffraction area, the spot center is light spot, around encircle light and dark ring.
在夫琅和费衍射区域内，光斑图像中央是亮光斑，周围环绕着明暗交替的圆环。
When the diameter of the particles satisfied some conditions, Mie theory is approximate to Fraunhofer diffraction theory.
当颗粒粒径满足一定条件时，米氏光散射可以用夫琅和费衍射来近似。
Based on the theory of Fraunhofer diffraction, an improved method is introduced to measure Young ' s modulus of steel wires using CCD.
根据夫琅和费衍射原理，采用CCD来测量金属丝在拉力作用下的微小伸长量，对钢丝的杨氏模量进行了测量。
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