他们也放弃使用任何矫正透镜，而是通过一个针孔发射X光射线，然后采集经过样品后的衍射光线。
They also abandoned using any corrective lenses, firing the X-ray pulse through a pinhole and then collecting the diffracted rays after they pass through the sample.
本文采用将高斯波束法，射线追迹和矢量衍射积分相结合的方法来分析单波束的点聚焦透镜天线。
We adopted Gaussian beam, ray tracing and vector diffraction integration together to analyze single beam spot-focusing lens antenna.
给出了基于衍射理论的评价X射线聚焦组合透镜三维聚焦性能的理论方法。
Based on diffraction theory a theoretical method for evaluating the three-dimensional focusing performances of the compound X-ray lenses is presented.
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