查询词典 angle of diffraction

Effect of Incident Angle on Diffraction Efficiency of a Two-Layer Diffractive Optical Element.

入射角对双层衍射光学元件衍射效率的影响。

Also the intensity of the reconstruction image was studied in the angle of the influenced by the diffraction efficiency. The diffraction efficiency of the low frequency is lower than that of the high frequency.

另外还从物参比的角度分析了非线性曝光对再现光场的影响，即衍射效率对再现光强的影响，得出低频部分的衍射效率低于高频部分的衍射效率，较好的解释了再现像出现了边缘剪切效应的原因。

Theoretically the approximate conditions of the surface wave diffraction were analyzed,and the corresponding analytic expression of angle width of diffraction patterns was derived,which explained the asymmetry distribution well.

理论上对表面波衍射的近似条件进行了分析，得出了各级衍射条纹角宽度的解析表达式，解释了衍射条纹的非对称分布。

Based on the principle of grating diffraction, by using television measuring system to measure the offset between the imaging of incident laser and the optical axis to confirm the angle of incidence and the angle of diffraction of the grating, a method of measuring incident laser wavelength in far field with grating is brought up.

依据光栅衍射原理，采用电荷耦合器件CCD作为探测器，通过测量入射激光成像点在电视靶面坐标系中的脱靶量，确定光栅的入射角和衍射角，提出了一种利用固定式平面反射光栅测量远场未知方位入射激光波长的方法。

An analysis for the intensity of light and diffraction angle of bright fringes of the single -slit Fraunhofer diffraction is developed from qualitative to quantitative discussion,basing on the method of Fresnel s half-band and its extention,and on the obrvation for the amplitute vector features of wave band and sub-band on screen.

由菲涅耳半波带法思路出发，加以延伸扩展，结合观察屏上波带与子波带的振幅矢量图象，对单缝夫琅禾费衍射的明纹光强与明纹衍射角作了由定性到定量的讨论，剖析了半波带法明纹公式的近似性。

The relationship between acoustic wave direction,laser incident angle,and laser diffraction angle of TeO2 acousto-optical deflector with acoustic frequency was analyzed based on the TeO2 crystal acousto-optical characteristic and Dixon equations under abnormal Bragg diffraction.

根据晶体的声光特性以及反常布喇格衍射的Dixon方程，得出了氧化碲声光偏转器在反常布拉格衍射条件下的参量矢量关系。分析了超声波方向、入射光角度、衍射光角度与声波频率之间的关系。

X-ray diffraction is one of the most common and efficient ways to measure a superlattice structure. This dissertation displays the detail results for characterization of Ge〓Si〓/Si superlattices by x-ray diffraction (including x-ray small angle diffraction and double crystal diffraction). It was found, when the growth temperature is lower, the intensities of xray small angle diffraction peaks are modulated by a periodical function, which indicates that both sets of interfaces of the superlattice is highly flat; when the growth temperature is higher, the diffraction peak intensities are simply decay with the increase of diffraction vector, which indicates that one set of interfaces is highly flat but another is not; when the growth temperature is very high, the diffraction peaks are reduced more rapidly, which indicates that both sets of interfaces are not ideal.

本文详细介绍了用X-射线衍射（包括X-射线小角衍射和双晶衍射）方法对Ge〓Si〓/Si超晶格结构特性测试的结果，尤其是发现，当Ge〓Si〓/Si超晶格的生长温度较低时，X-射线小角衍射谱峰的强度随着衍射波矢的增加而周期性调制，表明超晶格的两套界面都十分平整；当生长温度较高时，Ge〓Si〓Si超晶格的X-射线小角衍射谱峰的强度随着衍射波矢呈简单的衰减变化，对应于超晶格内有一套界面不平整的情况；当生长温度进一步提高时，X-射线小角衍射峰明显减少，表明超晶格内两套界面都不理想。

In order to analyze the effects of mesh structural parameters and tilted angle on the shape and distribution of diffraction spots at far field, an optical intensity distribution model of Fraunhofer diffraction is established for a tilted square metallic mesh using Huygens-Fresnel diffraction theory.

为分析金属网栅结构参数和倾斜角对网栅远场衍射斑形状和分布的影响，基于惠更斯-菲涅耳原理建立了倾斜金属网栅的夫琅和费衍射光强分布解析模型。

The effects of the relation on recording geometry with effective electrooptical coefficient and space charge field, wavelength of diffraction beam and diffraction angle on exposure sequence are taken into account, and the perfect exposure sequence is discussed based on recurrence method.

考虑有效电光系数和空间电荷场随写入光路几何组态的变化关系，以及各信道衍射光波长、衍射角等因素对曝光时序的影响，利用递推法推导出更为精确的曝光时序。

Scanning electron microscopy,transmission electron microscopy,circular dichroism and small-angle X-ray diffraction were used to analyze the aggregation mode of CSG in the organogel phase.A hierarchical self-assembly model was proposed to explain the transition from molecular to primary and secondary structure.It is shown from our results that CSG can aggregate into a micellar fibril nanostructure with high length-to-width ratio which is bundled and entangled to form a three-dimensional(3D) network that immobilize the fluid component probably by surface tension.Moreover,sol-gel polymerization of tetraethoxysilane was carried out using CSG in the gel phase.

通过扫描电镜(ScanningElectron Microscopy，SEM)、透射电镜(Transmission Electron Microscopy，TEM)、圆二色谱(Circular Dichroism，CD)和小角X—射线衍射仪(Small-angle X-rayDiffraction，SAXRD)考察CSG分子自组装行为结果表明，CSG形成的聚集体具有多级结构：首先CSG通过手性堆叠自组装形成直径在9—10nm的细纳米纤维，这些细的纳米纤维再以不规则的六方堆积的方式进行排列，构成直径在40—100nm的粗纳米纤维(即细纳米纤维的&捆束&)，最后粗纳米纤维互相粘连形成三维网络状结构，使有机溶剂&固定&，从而形成凝胶；以CSG有机凝胶为模板，四乙氧基硅烷为前体，通过溶胶—凝胶聚合的方法制备了直径大约为100nm的二氧化硅纳米管。3。

He is the most remarkable man that I have ever known.

他是我知道的人中最值得注意的人。

Increased appearance of lymphocele was noticed in patients with diabetic nephropathy, congenital malformations of the urinary tract, and inflammatory diseases, including glomerulopathy and extraglomerular ones, after high-voltage radiotherapy and after removal of the renal graft.

经过高压放射疗法和切除移植肾后，在糖尿病肾病患者、泌尿系统先天性畸形患者和炎症患者身上发现淋巴囊肿有所增加，包括肾小球病和球外疾病等。