One method is presented for determining focus of thin lens by diffraction image in terms of the study results.
并根据研究结果，提出一种通过衍射图像确定薄透镜焦距的方法。
The BOE designed and made in this paper is capable of converting the incidental laser beam into structural light of 2 dimensional dots array, and the diffraction image is nonlocality.
本文设计、光刻的BOE能将入射的激光束整形成空间二维点阵状结构光，且其衍射像是非定域的。
Base on this principle, a three-beam holography system is set up. The diffraction efficiency and the quality of the diffraction image are shown to be greatly improved by the auxiliary violet light.
根据此原理，建立了三光束全息光存储系统，在红光记录全息图的同时加入辅助紫光，可以使全息图衍射效率及衍射像的像质得到提高。
This article is a discussion about distribution of light intensity on the image of the imagery system, through which it brings to light the inner link between geometrical image and diffraction image.
本文通过对成象系统中象面上光强度分布的讨论，揭示了几何光学成象与衍射成象之间的内在联系。
Topics covered in wave optics include: basic electrodynamics, polarization, interference, wave-guiding, Fresnel and Fraunhofer diffraction, image formation, resolution, space-bandwidth product.
涵盖的主题包括：在波动光学基本电动力学，极化，干扰，波导，菲涅耳和夫琅和费衍射，成像，分辨率，空间带宽产品。
The new image encryption algorithm was proposed based on multiple Fresnel diffraction transforms and phase encryption masks.
基于多重菲涅耳衍射变换和相位密码板，设计了一种新的图像加密计算方法。
The relation between output correlation spot shape and length width ratio of input correlation image was analyzed quantificationally by using of diffraction theory in the joint transform correlation.
根据联合变换相关理论和光的衍射理论，定量分析了联合变换相关中两相关输入物长宽比与输出相关点形状间的关系。
A novel digital information storage system for diffraction optical variable image devices is proposed.
研制了一种新型数字化衍射光变图像的存储系统。
The coating composition, microstructure and phases were investigated by energy dispersive X ray analysis (EDXA), X ray diffraction(XRD), scanning electron microscope(SEM)and image analyzer.
运用能谱技术（EDXA）、X射线衍射仪（XRD）、扫描电子显微镜（SEM）和图像分析仪对涂层成分、显微组织、涂层相结构和组成进行了分析。
With the 4W1A beam at Beijing SR Facility (BSRF), the diffraction enhanced imaging(DEI)was applied to image sample tissues of liver and kidney. Results were compared with pathological findings.
在北京同步辐射装置（BSRF）的4W1A束线上，使用衍射增强技术（DEI）对肝、肾等组织进行成像，部分结果与病理结果进行对照；
The resolution of the structure image so obtained may be higher than that of the original electron micrographs and may approach the diffraction limit.
所得结构图像的分辨本领将优于电子显微图，而有可能接近于衍射分辨极限。
However, for the actual optical system, its point image become a speckle because of diffraction of light and aberration.
对于实际光学系统，由于光的衍射和像差，使所成的点像为一弥散斑。
It is verified experimentally that higher diffraction efficiency and resolution can be obtained by optical fiber image plane hologram.
认为光纤象面全息图可以获得较高衍射效率和分辨率，并对此进行了实验验证。
Intensity space distribution near image point of optical system is derived based on the accurate amplitude (therefore the intensity) analytic expression for Fresnel diffraction.
根据准确的菲涅耳衍射振幅和光强解析表达式推导出光学系统像点附近的光强空间分布。
From the theory of light diffraction and geometrical optics, aperture diffraction near the focal plane of microscope objectives and imaging on the image plane are studied.
从光的衍射理论和几何成象理论出发，分析研究了显微物镜焦平面附近小孔光栏的衍射和象平面位置上的成象。
In the a high frame rate (HFR) ultrasonic imaging system, the weighting process by limited diffraction beams on echo signal takes the most of the calculation time for constructing an image.
在高帧率超声成像算法中，对回波信号进行有限衍射波束加权处理占用了成像中大部分计算时间。
Multiple dark field image can readily be used in revealing the relation between diffraction pattern and bright-and dark-field images.
多重暗场象可以快速揭示衍射花样同明场和暗场象之间的关系。
According to the theory of light diffraction and that of moire image encoding, a new technology of double image encoding using non key phase only moire method is presented in this paper.
根据光的衍射原理和莫尔图像编码原理，实现了无钥匙位相型双图像莫尔编码技术。
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 GPR Image of 2-dimensional pipe-like model was synthesized using diffraction radar wave formula and compared with physical simulated record.
用衍射波公式合成了二维管状模型的雷达图像，并与物理模拟作了比较。
This research shows that the RSNOM could detect the evanescent near field wave effectively, and the image with a super diffraction limit resolution was obtained.
成像研究表明该装置可对近场衰逝分量进行有效探测并实现了超衍射极限成像。
This phenomenon, known as diffraction, results in a loss of image clarity, Therefore, using very small aperture would lead to lose of quality.
这个现象，称为衍射。它影响影像的清晰程度。所以，用极细光圈摄影会使品质下降。
Combining the B-T theory and the scalar quantity diffraction theory, a diffraction theory method for the analysis of the hot-image formation is developed.
把B - T理论和标量衍射理论相结合，建立起热像效应的衍射理论分析方法。
The quality of the reconstructed image directly calculated from the recorded hologram is unsatisfactory because of the presence of the zero-order diffraction and the speckle noise.
由于对该全息图直接计算得到的重构像，受零级衍射光斑和散斑噪声的影响较大，使得重构像质量难以令人满意。
Studied the read method for equal diffraction efficiency image.
研究了等衍射效率全息图的读出方法。
The optical design and performance analysis of a direct vision spectroscope are reported in terms of the dispersion, diffraction and image formation.
根据色散、衍射和成像原理，报道了以全息光栅-棱镜组件为色散元件的直视分光镜的光路设计和性能分析。
When biological cells or tissue thick specimens are imaged by bio-optical microscopy, image resolution decreased significantly due to the impact of diffraction and defocus.
生物光学显微镜对生物细胞(组织)厚样本成像时，由于受衍射和散焦成份的共同影响，成像分辨率明显下降。
Rigid body motion, surface errors, surface roughness, surface scattering and diffraction are mainly reasons which affect image quality of the X-ray imaging telescopes.
镜片刚体运动误差、表面误差、表面粗糙度、表面散射和衍射是影响X射线成像望远镜成像质量的主要因素。
According to the Fresnel-Kirchhoff diffraction integral and nonlinear paraxial wave equation, we derive the functional relationship of the intensity of hot image and its location.
利用菲涅耳基尔霍夫衍射积分和非线性近轴波动方程，在远场近似及光学薄近似条件下，得出了位相调制产生“热像”出现的位置及强度满足的解析关系。
According to the Fresnel-Kirchhoff diffraction integral and nonlinear paraxial wave equation, we derive the functional relationship of the intensity of hot image and its location.
利用菲涅耳基尔霍夫衍射积分和非线性近轴波动方程，在远场近似及光学薄近似条件下，得出了位相调制产生“热像”出现的位置及强度满足的解析关系。
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