实验测定了波带板的焦移，接近与广义程函数理论。
Focal shifts in diffractive Fresnel lens are measured. The result is closer to the theory given by generalized eikonal.
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 Fresnel zone plate scanning holography is applied in the imaging through highly scattering media.
为了定量描述波带板的衍射效应，定义了临界衍射距离。
Meanwhile, a critical diffraction distance was defined to describe the diffration effect of the FZP quantitatively.
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 principle of electronic holography using ultrashort laser pulse for imaging through highly scattering media is discussed.
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。
The design method of a photoinduced plasma Fresnel zone plate antenna is described.
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。
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.
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。
One is prepared by overlapping two line-type zone plates. It acts as a two-cylindrical lens system.
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。
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.
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。
It ACTS as a two-cylindrical lens system. The other is prepared by overlapping a line-type zone plate and a circular zone plate.
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。
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.
本文针对非球面高精度检测，在总结现有检测方法的基础上，设计了基于波带板干涉法的共光路干涉系统。
In this paper, conventional testing methods were summarized. An interferometer was designed based on the schematic of zone-plate with a total optical path for testing aspheric surfaces.
满足夫琅和费远场条件的两个物体，z值大的物体将被环数少的菲涅耳波带板扫描，具有小而平直的孪生像噪声振幅；
In the far-field, the further object scanned by FZP with fewer fringes has flatter and lower amplitude of twin-image noise for reconstructed image.
满足夫琅和费远场条件的两个物体，z值大的物体将被环数少的菲涅耳波带板扫描，具有小而平直的孪生像噪声振幅；
In the far-field, the further object scanned by FZP with fewer fringes has flatter and lower amplitude of twin-image noise for reconstructed image.
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