对以幂函数族和以正交函数族为基底的最小二乘曲线拟合法作了对比分析。
The least-squares curve fitting methods based on power functions and orthogonal functions are analyzed and compared.
文中介绍了基于最小二乘曲线拟合技术在XQY1 - 1型气压传感器中的应用。
The application of curve fitting based on least-squares methods in XQY1-1 air pressure transmitter is introduced.
通过现场实验数据，并利用最小二乘曲线拟合算法建立被控对象各通道之间的二阶系统模型。
Second: via experimental data we get the second-order system model for each control object by using least square curve simulation.
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