对光栅的布拉格衍射条件以及偏振对二维滤波的影响进行了理论分析。
The Bragg's condition and effect of polarization on performances of the two-dimension filter are also discussed.
分析讨论了原子全息与光学全息的区别,指出只有经激光冷却的原子束才满足全息技术所要求的相干条件和衍射条件。
Analyzing the difference of atom hologram and optical hologram, we point out that only the laser cooling atoms can satisfy the coherent and diffract conditions required by the hologram technology.
分析讨论了原子全息与光学全息的区别,指出只有经激光冷却的原子束才满足全息技术所要求的相干条件和衍射条件。
Analyzing the difference of atom hologram and optical hologram, we point out that only the laser cooling atoms can satisfy the coherent and diffract con...
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。
When the diameter of the particles satisfied some conditions, Mie theory is approximate to Fraunhofer diffraction theory.
在水热条件下合成了一种新型超分子化合物,通过元素分析、红外光谱、热重分析和X射线单晶衍射方法确定了其晶体结构。
A new supramolecular compound has been synthesized under hydrothermal conditions and characterized by element analysis, IR, TG analysis and single-crystal X-ray diffraction.
为研究粗糙海面中的岛屿对雷达波传播的影响,本文采用比较简单而又符合实际的模型,计算了电波在粗糙海面条件下,岛屿对雷达波的衍射损耗。
To study the influence of an island on radar based on coast, we utilize simple and realistic model to calculate diffraction loss over an island in the presence of rough sea surface.
通过X射线衍射、拉曼散射、原子力显微分析(afm)等表征方法研究薄膜结构与生长条件的关系。
The relationship between thin films structure and preparation parameters was studied by X-ray diffraction, Raman scattering and AFM.
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。
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.
本文介绍了应用X射线衍射仪测定矿山呼吸性粉尘中游离二氧化硅含量的基本原理、实验条件以及操作过程、方法步骤等。
Basic principle, experiment condition, operating process, method and steps of X-ray diffraction method to determine free silica content of respirable dust in mines are introduced in this paper.
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.
体全息光栅的读出偏离布拉格条件时,衍射光方向的确定是体光栅耦合波理论中的一个重要问题。
When a volume holographic grating is readout under off-Bragg condition, determining the direction of the diffracted beam is an important issue in the coupled-wave theory of volume gratings.
通常的增量法X射线衍射定量相分析需用纯相作增量剂,条件苛刻。
The pure doping samples of single phase are necessary to the common doping methods in quantitative X-ray diffraction phase analysis.
在吸、放氘达到动态平衡条件下,实时收集了重水电解池中钯电极的中子衍射数据。
Neutron diffraction data of palladium electrode in heavy water electrolysis cell have been collected under the balance condition of absorption and evolution of deuterium.
指出全息菲涅耳透镜是一种特殊类型的光栅。分析并说明光栅的标量衍射理论是计算衍射效率的一种近似方法,因此它的应用是有限制条件的。
We show and illuminate that the scalar diffraction theory is an approximation method to calculate the diffraction efficiency of grating, and there are restrictions on its application.
并且借助于偏光显微镜、广角X-射线衍射仪(WAXD)和差式扫描量热仪(DSC)研究了不同成膜条件下膜的结晶情况。
And polarizing microscope, wide-angle X-ray diffraction (WAXD) and differential scanning calorimeter (DSC) were used to study the crystalline of PLA membranes prepared at different conditions.
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.
泰山佛光是一种光的衍射现象,它的出现是有条件的。
The Buddhist light of Mount Tai is actually a diffraction of light that appears under certain conditions.
文中还实验研究与讨论了光感应自衍射的形成条件及其与光感应光散射的竞争关系。
Furthermore, we have also studied and discussed the conditions of formation of laser-induced self-diffraction and its competition behavior with photo-induced light scattering.
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。
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.
该方法在现有衍射透镜加工设备分辨率条件下,可提高衍射透镜的衍射效率,增大衍射透镜的数值孔径。
By this way we can design high diffraction efficiency, as well as lager numerical aperture diffractive lens under current machine fabrication condition.
该式说明在弱声光互作用条件下,衍射导光波强度与超声功率成正比。
The formula indicates that under condition of weak AO interaction the intensity of diffractive guided optic wave is proportional to ultrasonic power.
为了解这一现象与CTCBE结晶行为的关系,拟用X粉末衍射和差示扫描量热法对乌桕类可可脂和天然可可脂在不同条件下的结晶行为进行了研究。
Crystallization behavior of cocoa butter (CB) and Chinese tallow cocoa butter equivalent (CTCBE) are studied using powder X-ray diffraction (XRD) and differential scanning calorimetry (DSC).
采用本文中所述的“单缝衍射法”、“等厚干涉法”具有原理简单、操作方便,在条件简陋的情况下也能得到较精确的结果。
In this article, we use the method of single slit diffraction and equal thickness interference, which is simple to operate and can acquire more accurate results even under poor condition.
采用本文中所述的“单缝衍射法”、“等厚干涉法”具有原理简单、操作方便,在条件简陋的情况下也能得到较精确的结果。
In this article, we use the method of single slit diffraction and equal thickness interference, which is simple to operate and can acquire more accurate results even...
实验结果表明非连续曝光比连续曝光在相同记录条件下会获得更高的衍射效率。
The experimental result indicated that the diffraction efficiency of a non-continuously exposed grating is higher than that of continuously exposed one in the same recording condition.
应用菲涅耳衍射光强分布理论以及光上光强分布理论对波纹光阑在一定条件下的作用范围进行了分析。
The intensity distributing and the contributing range for using the serrated aperture are analyzed based on Fresnel diffraction theory.
在此条件下,氧化铝的浸取率可达到97%以上。由x -射线衍射分析结果表明,所得酸浸渣的主要成分为无定形二氧化硅。
The leaching ratio of Al2O3 was greater than 97%, and the main component of the residue was amorphous silica by XRD with the optimum operating conditions.
用广角X射线衍射(WAXD),sem,DSC和TGA方法研究了聚苯胺的晶性问题,结果表明,不同条件下所得聚苯胺其本征型的结晶行为差别较大。
WAXD, SEM, DSC and TGA were used to investigate the crystallinity of polyaniline (PAn). The results show that the crystallization behaviours of undoped PAn depend on its polymerization conditions.
利用背散射电子衍射取向成像技术定量分析了热模拟单向压缩条件下Q235碳素钢热变形时铁素体的织构形成规律。
The textural features during ferrite refinement by deformation enhanced transformation were analyzed by means of orientation mapping based on the EBSD technique in a Q235 low carbon steel.
利用背散射电子衍射取向成像技术定量分析了热模拟单向压缩条件下Q235碳素钢热变形时铁素体的织构形成规律。
The texture evolution of ferrite during warm compression of Q235 low carbon steel was determined quantitatively by means of orientation mapping based on the EBSD technique.
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