Considering diffraction effect based on scalar theory, we deduced a formula for point spread function of the coded aperture and discussed the ring coded aperture in detail.
基于标量衍射理论,考虑衍射效应的条件下,从理论上推导了编码孔径点扩散函数的公式,并对环形编码孔径进行了详细的讨论。
Based on the Kirchhoff scalar diffraction theory, the principle to choose sampling periods in the input plane, output plane and transformation function was analyzed in detail.
基于基尔霍夫标量衍射理论,详细分析了输入、输出平面及变换函数抽样间距的选取原则。
The state of electron is described by wave function. Intensity distribution of single slit electron diffraction is derived by probability distribution of electron momentum.
电子状态用波函数描述,由电子动量的概率分布,得到电子单缝衍射的强度分布。
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。
Firstly according to radiation theory the boundary function of planar diffraction body is given, based on this condition the Kirchhoff diffraction formula is deduced and obtained.
根据辐射理论重新设定了平面衍射物的边界函数,并以此条件推导了基尔霍夫衍射公式,并赋予新的含义。
The geometric law of energy conservation is utilized in designing diffraction optical component and evaluating the phase function of diffraction optical component with Gauss beams input.
为了获取长距离超细激光束,采用几何能量守恒法设计出一种衍射光学元件,推导出高斯光入射时衍射光学元件位相函数。
The state of electron is described by wave function and the intensity distribution of multiple slits electron diffraction is derived by probability distribution of electron momentum.
将电子状态用波函数描述,由动量概率分布,推出电子多缝衍射强度分布。
At the same time, the method with corrective function is proposed to compensate the influence of diffraction.
同时提出了采用校正函数补偿衍射影响的方法。
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.
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。
The point spread function (PSF) of volume holographic imaging system is employed to analyze diffraction imaging characteristics and estimate depth resolution.
利用衍射理论计算体全息成像系统的点扩展函数,评价成像系统的纵度和深度分辨率特性。
In optical design using Computer-Aid-Design, Simulation, and Optimization (CADSO), it is customary to use various kinds of non-diffraction-based merit function.
在光学系统计算机辅助设计、模拟与最优化工作中,广泛采用了非衍射基价值函数的各种评价函数。
The structure of an amorphous inorganic ion exchanger-stannic hexametaphosphate is postulated with radial distribution function (RDF) by X-ray diffraction.
通过大角度X射线散射分析,求出了新型无机离子交换剂六偏磷酸锡的径向分布函数,推断其化学结构。
The resolution of far-field microscopy is limited by the diffraction limit, while near-field microscopy lacks the sectional function to image 3D pictures.
远场光学显微镜受衍射极限分辨率的限制,而近场光学显微镜南于缺乏层析能力,则无法实现超分辨的三维成像。
The image quality evaluation for diffraction-limited optical synthetic aperture imaging system is analyzed with two-point resolution and optical transmission function (OTF).
本文就照相物镜的像质评价的几种方法,做了比较;设计了测量照相物镜光学传递函数的光路系统并进行实际测量。
The image quality evaluation for diffraction-limited optical synthetic aperture imaging system is analyzed with two-point resolution and optical transmission function (OTF).
本文就照相物镜的像质评价的几种方法,做了比较;设计了测量照相物镜光学传递函数的光路系统并进行实际测量。
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