... 扩散掩蔽法：diffuse maksing 扩散衍射：dilatation diffraction 扩散型化学放大器：diffusion tial ...
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能量扩散X射线衍射仪 energy dispersive X-ray diffractometer
对红外光学系统，用几何光线追迹得到点列图或用基尔霍夫衍射理论计算得到点扩散函数。
For infrared optical systems a point spread function is calculated in terms of the spot diagram obtained through geometrical ray trace or the theory of Kirchhoff diffraction.
对于低频扰动，当系统实现闭环控制后，像面上线扩散函数已接近衍射极限。
When the system close -loop controlling is realized for lower frequency perturbation, the approximate diffraction limited line spread function can again be achieved on the image plane.
本文从衍射波扩散出发，提出了另一种分析离轴型全息图再现象与背景光分离条件的方法。
In this paper, Based on diffracted wave diffusion theory another analysis method about the condition keeping reconstructed image separate from backdrop light for off axis hologram is given.
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