The diameter of a thin wire was obtained by measuring the shadow in the Fresnel diffraction zone.
通过细丝后在其后菲涅耳衍射区留下阴影，测量阴影宽度可得细丝直径；
This paper has briefly stated how Huygens-Fresnel Principle and Fresnel half - zone method are combined in the teaching of single-slit diffraction.
本文简要论述了在单缝衍射教学中怎样把惠更斯—菲涅耳原理与菲涅耳丰波带法联系起来。
The diffracted light intensity on axis of a Spatial light Modulator (SLM) with Multi-level Phase Fresnel Zone Plate (MPFZP) is studied by diffraction optical method.
用衍射光学方法研究了加有多级相位菲涅尔波带片(MPFZP)的空间光调制器(SLM)的轴上衍射光强。
Error effect in depth of diffraction pattern of X ray reflection zone plate has been studied.
研究x射线反射式波带片衍射图形制造过程中的深度误差效应。
The zoning rules for two dimensional ring of Frensel zone plate is studied by means of Kirchhoff diffraction formula.
从基尔霍夫绕射公式出发进一步研究菲涅耳区板的二维圆环的分区规则。
The third chapter discussed how to perform a fresnel lens with the principle of fresnel zone diffraction.
第三章阐述了菲涅耳波带透镜的基本原理和标量衍射理论；
In design of anechoic chamber with higher quality, when requirements of quiet zone index are higher, it must use the geometrical theory of diffraction instead of the geometrical optics for accuracy.
在高性能微波暗室技术设计中，由于静区指标较高，采用一般的几何光学技术不能进行准确计算，因此需采用几何绕射理论技术。
Some examples are given in which the electron diffraction patterns with Nth order Laue zone are indexed automatically by computer.
还给出一些有高阶劳厄区的电子衍射谱的实例，图上零阶和高阶的各班点指数均由计算机自动标定。
A new indexing method on the spots of high order Lane zone in electron diffraction pattern has been developed.
对于电子衍射谱的高级劳厄带斑点标定，提出一种新的方法。
A new indexing method on the spots of high order Lane zone in electron diffraction pattern has been developed.
对于电子衍射谱的高级劳厄带斑点标定，提出一种新的方法。
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