Radiation transfer model;

辐射传输模型；

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A radiation transfer model is proposed for tree model based on forward ray tracing. The model hypothesis, processing flow and primary algorithm are expounded.

针对树木模型提出正向光线跟踪的辐射传输模型，并详细阐述了模型假设、处理流程与主要算法。

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The simulative data have little difference with the actually measured data which indicated that the radiation transfer model based on forward ray tracing is effective.

结果表明，模拟数据与实测数据偏差不大，验证了正向光线跟踪的辐射传输模拟是有效的。

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