查询词典 Fresnel

Theoretical analysis proves that,when the pixel number,pixel size and reconstructed wavelength of the hologram are certain,computer simulated algorithms of Fresnel diffraction integral fall into convolution algorithm,angular spectrum algorithm and direct Fourier trans...

通过对相位函数局域空间频率的分析，给出了判定算法适用范围的特征再现距离，并分析得出，再现距离大于特征再现距离时，适合用卷积法；小于特征再现距离时，适合采用角谱法；等于特征再现距离时三种方法都适用。

We hope quality will be as good as German Fresnel.

我们希望质量跟德国Fresnel的一样好的。

The results of computer simulation can provide theoretical basis for the fabrication of Fresnel lens.

模拟计算结果对多阶菲涅耳透镜的制作提供重要的理论指导。

A method of making the Fresnel lens is described.

本文还描述了制造菲涅耳透镜的方法。

Based on the Fresnel principle, a method of the seawater salinity measurement using fiber is introduced.

本文提出了一种应用菲涅耳定理设计的光纤盐度测量方法。

Four kinds of laser source are used to measure the diffractive efficiency of Fresnel lens.

使用四种不同光源，对菲涅耳透镜的衍射效率进行测试。

The theoretical calculation and the experimental result of sixteen-step Fresnel are given.

给出了理论计算和16阶菲涅耳透镜的实验结果，证明了数据库方法设计掩模的可行性。

In many cases, the Simpler Huygens- Fresnel treatment will prove quite adequate for our purpose.

在许多情况下，对于我们的目的来说，更简单的惠更斯―菲涅耳方法将是合适的。

Influence of phase errors upon the diffraction efficiency of the phase fresnel lens［J］.

位相误差对菲涅耳透镜衍射效率的影响［J］。

The Fresnel inversion based on the principle of wave optics is a new method to retrieve atmospheric profiles.

菲涅耳衍射反演是GPS掩星技术中基于物理光学原理的新的反演方法。

In the days of sailing vessels the crew were afraid they would be becalmed on the ocean.

在使用帆船的时代，船员们担心他们会因为无风而无法在海洋上航行。

As long as foreign donors pay the PA's salary bill, few expect a new intifada.

只要外国继续为巴权力机构的薪水买单，希望发动新暴动的人便寥寥无几。