1) diffraction order cross talk
衍射级次混叠
2) diffractive order
衍射级次
1.
The finiteness of diffractive order of the phase grating and the relations between the diffractive orders and the incident angle are discussed by means of the vector diffraction theory.
用矢量衍射理论讨论了位相光栅衍射级次的有限性及其与入射角的关系，得出的结论与用光程方法得出的结果一致，作出了在不同入射角条件下各衍射级次的分布图，给出了求解各级衍射波方向的公式。
3) diffraction order separation
衍射级次分离
4) higher diffraction
高次衍射
1.
This paper has intruduced the principle of Laser-Size and the reason how higher diffraction come into being,deived higher diffraction strength dispersing formula,analysed the influence of higher diffraction to Laser-Measuring-Size,and discussed the optimized volume consistency of grain in dispersion phase for obtaining the maximum signal strength.
本文介绍了激光测粒原理及高次衍射现象产生的原因，分析了高次衍射对激光测粒产生的影响，讨论了获得最大有效信号强度时颗粒在分散相中的最佳体积浓度。
5) double diffraction
二次衍射
1.
The SADP of spinodal decomposition was analyzed by the theory of double diffraction.
利用二次衍射分析了调幅分解的电子衍射花样,并且得出调幅分解波上存在两种取向的纳米组织。
6) overlapping diffraction
重叠衍射峰
1.
modified maximum entropy method(MMEM), is proposed and applied to the determination of textures in polycrystalline samples of lower crystal symmery with overlapping diffraction peaks.
本文给出了具有重叠衍射峰的低对称晶系材料织构定量分析的最新细化方法：将熵最大原则直接引入到以极图数据为约束条件的最小二乘方程中，实现了最小极密度差与熵最大两种优化的同步进行，四方晶系材料的纤维织构模拟例子表明：即使在很锐的织构组分时，依据本文的方法也可以从较少数目极图数据获得准确的织构矢量。
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