By using curve fitting theory, proposed a new method of power quality detection.
根据曲线拟合的概念，提出了一种新的电能质量检测的去噪算法。
2
We will control the quality failure function curve according to the shift of the quality characteristics curve and the change of the curve's shape, the control method will be discussed.
依据模型的不同定义域，讨论了通过调整质量特性曲线的形状和位置来控制质量损失函数曲线的方法。
3
When accumulative flow method was used to model water quality or dynamics of river with DAMS, field velocity data should be available to calculate accumulated flow curve of various cross sections.