The rings are known as a zone plate.

这些环被称作波带片。

Using a zone plate instead of a mirror gets around this.

用波带片代替镜面在轨道运行。

A new kind of interferometer-Fresnel zone plate interferometer-is described.

本文提出一种具有实用意义的新型干涉仪——菲涅耳波带板干涉仪。

Experiments show that the new zone plate can be used to evaluate HDTV system.

实验表明，该波带图适于评价HDTV系统。

At last, some Suggestions to the using and fabricating of zone plate are proposed.

由此对线波带片的使用及制造提出了建议。

The design method of a photoinduced plasma Fresnel zone plate antenna is described.

本文描述一种光生等离子体菲涅尔波带板天线的设计方法。

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。

A modified fractal zone plate (FZP) with the character of extending the focal depth is proposed.

提出了一种具有增大焦深特性的改进型分形波带片(fzp)。

The Fresnel zone plate scanning holography is applied in the imaging through highly scattering media.

将菲涅耳波带板扫描全息术用于高散射介质成像技术中。

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。

It ACTS as a two-cylindrical lens system. The other is prepared by overlapping a line-type zone plate and a circular zone plate.

另一种是一个线型波带板和一个圆型波带板的组合，效果相当于一个凸透镜和一个柱面透镜的组合。

Soft X-ray zone plate is an important element which has the function of concentration, dispersion and imaging in soft X-ray optics.

软x射线波带片是软x射线光学中聚焦、色散和成像的重要元件。

This paper studies the focusing characteristics of Gauss beam passing through zone plate based on the characteristics of zone plate.

从波带片的特性出发研究高斯光束通过波带片的聚焦特性。

We investigate the dependence of the focusing contribution on the order m of local ring of underlying traditional Fresnel zone plate.

在本文中，我们讨论了聚焦贡献对潜在的传统菲涅耳波带片上的环的阶次的依赖性。

This paper presents a self focusing filter which is composed of matched filter with sine form and Fresnel zone plate by means of area coded method.

本文介绍用面积编码的方法将滤波函数为正弦函数的匹配滤波器和菲涅耳波带片组合在一起的自聚焦滤波器。

The con figuration of aplanat for making high resolution X-ray Zone plate to be used in beam line of Synchrotron Radiation Laboratory is also presented.

文中还给出了在同步辐射实验室显微术光束线中用激光干涉法制作高分辨率软X波带板的光学系统。

Two methods are suggested for improving the imaging resolution of zone plate. One is combination of zone plate and another is to increase the match factor.

采用波带片组合及加大位相匹配因子的方法，可以进一步提高波带片的成像分辨率。

This paper introduced, the method about laser alignment using round zone plate, analysed sources and distribution of the method's error in a systematic way.

本文介绍了波带板激光准直的方法，比较系统地分析了波带板激光准直的误差来源和精度分布情况。

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。

The concept of redundant illumination is introduced to ensure the coherent illumination of zone plate and reduce the effect of source instability and element vibration.

引入冗余照明的概念，以实现波带板的空间相干照明以及降低束线对光源不稳定性及元件振动的要求。

A review of the state of the art in non-coherent radiation 3-D imaging is presented. Emphasis is given on the transaxial tomography, the zone plate code and the random dot code.

本文综述了非相干光三维成象的现状，其中包括横断面层析技术，波带片编码和随机点编码等。

The experimental result shows that the hollow beam generated from the Fresnel Zone Plate based on a TFT-LCD has the advantages of real-time adjustability, simplicity and accuracy.

实验结果表明，基于TFT - LCD的菲涅尔波带片生成的中空光束具有实时可调、快捷和精确等优点。

The characteristic of aplanatic system shows that non-aplanatic point imaging can produce aspherical holographic interference for high resolution zone plate fabrication used for X-ray imaging.

利用这种特性可以产生制作高分辨率X射线波带板所需的两束非球面波。

At millimeter-wave band, Fresnel Zone Plate (FZP) antenna has the advantages of simple structure, planar configuration and low cost, while giving performance comparable to the parabolic antenna.

在毫米波波段，菲涅尔区相位修正平面（FZP）天线以轴向尺寸小、平面化结构、加工简单的优点，可以作为传统反射面天线的替代天线。

Nearly 700 miles long, the earthquake zone is located by the North American Plate off the coast of Pacific British Columbia, Washington, Oregon and Northern California.

地震带位于太平洋的大不列颠哥伦比亚省、华盛顿州、俄勒冈州和北加州沿海的北美板块，近700英里长。

In addition, both regions reside within the Ring of Fire, which is a zone surrounding the Pacific Ocean where the Pacific tectonic plate and other plates dive beneath other slabs of Earth.

此外，两个地区都驻留在火山圈内，那是环绕太平洋的一个区域。在那里太平洋地壳构造板块和其它板块潜于其它地球板块之下。

The quake happened along a seam in the planet's surface where the Pacific Ocean floor is diving beneath the tectonic plate carrying northern Japan (see 'Collision zone').

这次地震是沿着地球表面的一条缝隙发生的。 在这条缝隙处，太平洋板块正俯冲入另一地壳板块下部，而这块地壳板块正承载着日本的北部地区（见”碰撞带“）。

This is called a subduction zone when one plate subducts beneath another.

当一个板块向另一个板块下俯冲时，那里就被称为俯冲带。

It's part of the very active "Ring of Fire," a zone of major crustal plate clashes that surround the Pacific Ocean.

那里的地壳板块上下交错，是非常活跃的“火山带”的一部分，也是环绕太平洋主要地壳板块相互冲撞的地区。