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。