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中文摘要：
采用光线跟踪法对旋转抛物面型聚光器进行光路分析，应用蒙特-卡罗法计算焦平面上的能流密度分布，考虑了聚光器表面形状误差、跟踪误差、接收器位置误差、接收器遮挡作用、太阳形状、漫反射和不同半张角的影响，并通过实例计算证明了该方法的正确性。该方法为系统的优化设计和接收面处能流密度的测量提供理论依据。
英文摘要：
The ray-tracing method was used for optical analysis of the parabolic concentrators. The flux density distribution on the focal plane was calculated by the Monte-Carlo method. The random surface error, sunshape, tracking error, position error and shadow of receiver, diffuse reflection and various semi-opening angles cases were taken into account. The validity of the method is demonstrated by calculations. It is a theory base for optimizing the system design and measuring the flux density distribution on the receiver.
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