In this paper, moving least square (MLS) approximation is applied to simulate the complete characteristic curves of reversible pump turbine based on the surface fitting.
本文在基于曲面拟合的水泵水轮机全特性曲线的变换新方法的基础上，将移动最小二乘近似应用于对全特性的曲面拟合。
It has the characteristic of complete functions, accurate survey, simple operation and high reliability.
整个装置具有功能齐全、探测准确、操作简单及可靠性高等特点。
This system can complete the function of picture pretreatment, PCA characteristic pick-up and BP nerve network training as well as recognize and so on.
该系统能够完成罐车图像的预处理、PCA特征提取、BP神经网络训练以及基于BP神经网络的识别等功能。
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