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.
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