Some situations of producing diffraction wave of grade 0, +1,-1 are analyzed in different conditions .
分析了在不同条件下产生 0级、+1级、- 1级衍射波的情况 ,解释了全息图再现时产生虚像和实像的机理以及像点位置坐标的变化情况 。
The principle and methods of crack height measurement by ultrasonic diffraction wave are presented.
介绍了应用超声衍射波测量裂纹高度的原理与方法，在模拟裂纹试块上，通过试验分析了超声波衍射法测量裂纹高度的误差与精度。
The Study on the Feasibility of the Non-diffracting Beams in Acoustic Field;
无衍射波束在声学领域的可行性研究
Alternatively, we can image that the incoming wave is diffracted by the object and the resulting diffracted wave is then diffracted again by the objective lens.
换一种方式，我们可以这样想象：入射波被物体反射，所得到的衍射波再一次受到物镜的衍射。
Diffraction, too, occurs in light waves.
衍射也是由光波产生。
diffraction on edge of semiinfinite screen of eletromagnetic wave
电磁波在半无限屏缘的衍射
Another important wave phenomenon is diffraction.
另一个重要的波现象是衍射。
In this case the wave is said to have been diffracted.
在这种情况下，据说，波发生了衍射。
Evidently diffraction, as well as interference, is a wave property.
显然，衍射以及干涉是波特性。
The Synthesis of Pyrazole Derivatives under Ultrasonic Wave;
超声波辐射下合成新型吡唑类衍生物
Study for the Antireflection of the Subwavelength Diffractive Optics Elements;
亚波长衍射光学元件增透特性的研究
Rigorous coupled-wave method for diffraction efficiency calculation of blazed gratings
严格耦合波法计算闪耀光栅衍射效率
Investigation on the influence of transition section on diffraction of detonation
过渡段对爆震波衍射过程的影响分析
Design Schemes of Diffractive Optical Element for Beam Shaping and Axicon Focusing;
衍射光学波面整形元件及衍射型轴锥镜设计研究
Technology of Soft X-Ray Diffraction and Sulfur Single-wavelength Anomalous Diffraction in Protein Crystallography
长波长X射线衍射技术与蛋白质晶体中硫的单波长反常散射研究
The basic formula of the diffraction tomography with time-varied incident wave was established.
建立了时变入射波下的衍射层析基本公式。
An Athermal Design of Infrared Hybrid Diffractive/Refractive Optical System in 3.7～4.8 μm
红外3.7～4.8μm波段折射/衍射光学系统的消热差设计
Design of Re-imaging MIR Optical System Employing Refractive and Diffractive Optical Elements
二次成像中波红外折射衍射光学系统设计
The Study of SAW Filter Design and Diffraction Compensation;
声表面波滤波器的设计及其衍射补偿的研究
To undergo or cause to undergo diffraction.
使衍射产生或导致衍射