利用矢量分析,得到线性菲涅耳反射装置任一镜元的入射角、反射矢量、跟踪倾角计算公式。通过坐标变换,得到适合于阴影与遮挡计算的坐标系并计算出障碍镜元在被遮挡镜元所在平面上的阴影坐标,通过对阴影坐标的分析,给出镜元之间无阴影与遮挡的最小间距并经实验验证,分析了具体算例情况下的镜元间距。 Using vector analysis, the incident angle, reflection vector and tracking inclination of any mirror element of linear Fresnel reflector are obtained. Through the coordinate transformation, the coordinate system which is suitable for shadow and occlusion calculation is obtained and the shadow coordinates of the obstacle mirror element on the plane of the occluded mirror element are calculated. By analyzing the shadow coordinates, the shadowing and occlusion between the mirror elements are given minimum Spacing and experimental verification, analysis of a specific example of the lens spacing.