This paper discusses the ray surface and the wave normal surface of a spot light source in anisotropism crystal by means of Maxwell's equation, and presents the secondary wave surface used in determining directions of extraordinary rays and obtains that waves in crystals by Huygens' construction is ray surface rather than wave normal surface.
应用麦克斯韦方程推导出了各向异性晶体中点光源的光线面和波法面 ,阐述了用惠更斯作图法确定晶体中非常光光线方向和波方向所采用的次级子波面应是光线面而不是波法
The new interpolated points are created quickly by using the programs to realize reconstruction of curves and surfaces.
分析了工程实际中线面重构的局限性问题,运用UG软件的线面造型、分析、计算、查询等功能,通过UG软件的开发工具,直接调用UG软件内部函数,编写了“原始曲线”、“基准平面”和“求取交点”3个程序,快捷简便地生成新的插值点,从而进行线面重构。
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