Study on reflected ray tracing algorithm of nurbs - utd 方法的反射射线寻迹算法研究
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The angle drawn at the point of incidence ( intersection of ) a reflected ray and the normal line perpendicular to the reflecting surface 中义光线在物体表面的投射点上反射出来的光线与物体表面垂直法线所夹的角度。
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Abstract : in this paper ， a ray - optics analysis is performed to investigate the asymmetry of dual beam scanning field produced by a rotating polygon . some basic equations of dual beam scan are derived ， such as ， the position vector for the incident point ， the scalar expression for reflected ray ， scan pattern on observation plane ect . the far - field asymmetry of the scanning field has been discussed 文摘:应用几何光学理论研究了多光束转镜扫描场的非对称性，导出多光束扫描入射点位置矢量、反射线标量表达式、观察面上的扫描轨迹方程，并研究了扫描远场的非对称性。
