由于光的衍射作用，使通过聚焦系统的激光束入射到特定靶面成一光斑（主光斑） ，而在主光斑以外还有次级光斑圈（旁瓣）。
The laser beam passing through the focusing systems gets an facula, which consists of main spot and sidelobe on the focus plane.
用x -RD衍射分析其物相组成，更好的探讨钙在煤灰熔点中所起的作用。
It use X-RD diffraction to analyze content of coal ash which is useful to study infection of calcium oxide.
理论分析表明，该现象可以用光克尔效应和热光非线性效应共同作用下的附加相位孔对入射光束的衍射行为来解释。
This phenomenon can be explained by the diffraction effect of the Gaussian beam from the laser induced phase hole in the nonlinear medium caused by Kerr effect and thermo optic effect.
本文讨论了由晶体缺陷所致的自增强衍射光，富集于缺陷的空间电荷所致的空洞场，以及由此场导致的发生在畴界上的静电斥力对此损伤所起的作用。
Role of the cavity field, the electrostatic repulsive force at the domain boundary and self-enhanced diffraction light induced by physical imperfection on laser-induced surface damage are discussed.
采用电化学及X射线衍射法研究了硫脲在铜电极表面的吸附作用及其对铜沉积织构的影响。
Adsorption of thiourea on the copper electrode surface and the effects of thiourea on the cathode electrodeposition were studied by electrochemical method and X ray diffraction.
用X射线衍射（XRD）、透射电子显微镜（TEM）等技术研究了PAN基碳纤维在单电流脉冲作用下的结构变化。
The structural change of PAN based carbon fibre by an electric current pulse was studied by means of X-ray diffraction(XRD) and transmission electron microscopy(TEM).
本文建立了沿不同方向的多个超声波信号作用下的多维声光衍射的耦合波方程，并求出相应的解。
A set of coupled wave equations for multiple dimensional acoustooptic diffraction with multiple acoustic waves along different directions is put forward and its solutions are derived.
根据夫琅和费衍射原理，采用CCD来测量金属丝在拉力作用下的微小伸长量，对钢丝的杨氏模量进行了测量。
Based on the theory of Fraunhofer diffraction, an improved method is introduced to measure Young ' s modulus of steel wires using CCD.
这种球体对入射光存在折射、衍射、反射、吸收和杂质对入射光波的衰减作用等影响。
The sphere affects the incident by the refraction, diffraction, reflection, absorption and attenuation of impurity.
现在问题变成：这个是不是衍射极限的作用？
The obvious question becomes: is this diffraction limited or not?
按照参量互作用的观点推出多维声电光效应的耦合波方程，并给出多维声电光效应衍射效率计算公式。
The coupled wave equation of multi dimensional Acousto electro optic(AEO)effect is derived according to the opinion of parameter interaction.
文中通过稀溶液黏度法、红外和X射线衍射法对胶原与壳聚糖分子间作用力进行了表征。
The molecular interactions in CC were characterised by dilute solution viscometry, Fourier transform infrared spectroscopy and X-ray diffraction.
利用X射线衍射技术并结合金相组织观察和显微硬度实验，研究了冷轧工业纯钢在电场作用下的再结晶及织构演变规律。
The effect of electric field on the recrystallization and recrystallization texture development in cold-rolled copper was studied by X-ray diffraction (ODF analysis) combined with optical microscopy.
通过原子波之间非线性耦合相互作用，这种结构可以表现为物质波光栅，对其周期的原子波产生衍射现。
Through the nonlinear coupling interactions between atomic waves, the structure appears as the matter wave gratings, and diffracts its surrounding atomic waves.
光折变空间光孤子是指当光折变材料的自聚焦效应与光束的衍射发散作用相平衡时，在介质内无衍射向前传播的光束。
Photorefractive (PR) spatial solitons form when the self-focusing of a light beam inside the PR material exactly balances the diffraction of the beam.
通过电镜和X -射线衍射实验，研究了在外加剂作用下矿渣、磷渣、粉煤灰形成的低钙玻璃态胶凝材料的微观结构。
Micro structure of glass state cementing materials containing small amount of calcium, such as slag, phosphorous slag and fly ash, was studied by SEM and XRD.
这些预处理方法有效地消除了自然光线、散射光线和衍射光线对系统的干扰，使激光光斑图像保持稳定，起到提高系统精度的作用，得到了较为理想的结果。
Natural light, scattering light and diffracted ray are removed effectively with those methods. Then, laser spot keeps stable, system precision is improved and an ideal result is obtained.
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.
紧接着从声光调制的原理入手，详细的介绍了拉曼·纳斯衍射和布拉格衍射这两种基本的声光作用并给出其理论模型。
And then based on the theory of the interaction of acoustic wave and optic wave, the Raman-Nath and Bragg diffraction are introduced in detail, of which theoretical model is given.
采用中频真空感应熔炼炉、X射线衍射仪、金相显微镜、电子探针、显微硬度计等实验分析方法，研究了稀土金属铈与低熔点金属锡在钢中的相互作用。
The interaction between the cerium and tin in steel was studied by vacuum induction melting, Xray diffraction, optical microscopy, electronic probe microscopy analysis, and microhardness tester.
利用X射线衍射仪和扫描电镜研究了稀土催渗离子渗氮过程中，稀土与氧之间的作用对催渗效果的影响。
Effect of reaction of rare earth to oxygen on catalysis effect in plasma nitriding process catalyzed by rare earth has been studied with X-ray diffractometer and scanning electron microscopy.
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.
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.
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