ray theoretical method的意思|示意

Based on diffraction theory a theoretical method for evaluating the three-dimensional focusing performances of the compound X-ray lenses is presented.

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。

The refraction index of transparent glass-plate was measured with ray-displacement method, formulas of the refraction index and experimental error were obtained by theoretical analysis.

采用光束位移法测量了透明玻璃板的折射率，分析了折射率的公式和实验误差处理公式。

Compared with the theoretical path, the error of the ray path got by the optimized shortest ray path tracing method is minimum.

相对于理论路径而言，优化最短射线路径法得到的射线路径误差较小。