采用极坐标方程，计算圆弧型和径向线加圆弧型的叶型重心联线；对径向平衡方程的离散方式、迭代方向、迭代方式和迭代收敛准则进行改进。
The computation of mass center line in the arc and radial line with arc type is made by using the polar equation of circular.
在点状激光三维扫描技术中，用线阵CCD采集深度坐标，用前馈型人工神经网络对深度坐标进行非线性修正。
In 3d scanning system based on dot laser, artificial neural networks are used for calibrating the distortion of CCD range sensor.
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