The principle of the laser scanning system, principle of triangulation measuring method, the structure characteristics and the relative affairs about surface fitting of laser scanner are introduced.

介绍了激光扫描系统的原理，三角法测量原理，激光扫描仪的结构特征以及曲面拟合有关问题。

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Then the response surface method(RSM) is utilized to establish the response surfaces or curve of SEA vs. material parameters and the curves of relative error in high-order polynomial fitting.

采用响应面法建立了表示比吸能随材料参数而变化的曲面，和高次多项式拟合时的相对误差曲线。

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