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)。

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Meanwhile, a critical diffraction distance was defined to describe the diffration effect of the FZP quantitatively.

为了定量描述波带板的衍射效应，定义了临界衍射距离。

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The Fresnel Zone phase correcting Plate (FZP) antenna is a new kind of antenna, and has been found widespread application prospect.

菲涅尔区相位修正平面天线是一类具有广泛应用前景的新型天线。

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