In this paper two reasons-the deviation of the data from the origin and the size of the data-causing the ill-conditioned normal equations in the least square fitting of a polynomial are discussed.
讨论了最小二乘多项式拟合中引起正规方程组病态的两个重要原因:节点对原点的偏离程度和节点坐标的数量级。
The curve of an eddy current displace sensor can be converted into a line by analysing the character of the curve obtained by polynomial fitting.
通过对某电涡流位移传感器位移、电压用多项式拟合曲线的特点进行分析,经过试探发现该传感器曲线可转化为直线。
To enhance the triangle quality of the simplified mesh, a novel triangular mesh simplification algorithm based on local polynomial fitting surface of vertices was proposed.
为了提高网格简化后的三角形质量,提出了一种新的基于顶点局部多项式曲面拟合的三角网格简化算法。
It is used the fitting methods based on orthogonal polynomial to study a practical problem, and achieved better results, that provide a new method for the loss of distribution fitting.
利用基于正交多项式的分布拟合方法对实际问题进行了损失分布拟合,取得了较为理想的结果,为损失分布的拟合提供了一种新的方法。
In this paper, the derivation and thinking of the calculation of the Fourier polynomial fitting with a linear term is introduced.
本文介绍了带线性项的富里哀多项式拟合法的推导、计算思路。
The phase mapping method of a field inhomogeneity based on an Z axis pulse field gradient and polynomial fitting procedures of the axial shimming coil currents were described.
通过对Z轴磁场梯度和匀场线圈电流的多项式拟合,以获得磁场不均匀而引起的相位分布。
The author proposes a sectional line fitting to re - place the polynomial curve fitting, which results in simplifying establishment of mathematical model and reducing the amount of calculation work.
作者在最小二乘法的基础上,提出分段直线拟合算法来代替多项式曲线拟合,从而达到简化数学模型的建立和减少计算量的目的。
A non-linear higher order polynomial fitting method is also proposed to transform the resistivity profile into seismic velocity profile under the control of a micro-well logging velocities.
同时,提出了在少量微测井控制下,由电阻率剖面转换地震波速度剖面的非线性高阶多项式拟合算法。
In this paper, a method for converting GPS height to normal one by means of support vector machine is proposed, and compared with the methods of neural network, polynomial fitting etc.
结合GPS测量和水准测量资料,利用支持向量机方法对GPS高程进行了转换,并与神经网络和多项式拟合等拟合的结果进行了比较,得出了一些有益的结论。
The curve of a Hall displacement sensor is obtained by polynomial fitting. The method of data erasing and curve fitting can be applied in processing the data of sensor in dynamic measurement.
并通过对动态测量中某霍尔位移传感器位移-电压数据进行了坏值剔除和三次多项式非线性拟合,表明动态测量中传感器数据的非线性处理方法。
For polynomial fitting measuring model of a linear structured light scanning probe, the extraction and compensation methods for systematic errors of the probe are presented.
针对线结构光扫描测头多项式拟合测量模型的系统误差问题,提出了一套用于该测头系统误差提取与补偿的方法。
This paper studies a kind of regression fitting of polynomial with an additional parameter.
本文讨论了一种带参量的多项式回归拟合。
Concerning the low accuracy and easily being interfered by noise of ECG diagnosis of ST-segment, a ST-segment detection algorithm based on least-square polynomial fitting was proposed.
针对目前心电图s T段诊断准确度不高,容易受到噪声干扰的情况,提出了一种基于最小二乘多项式拟合的ST段形态识别算法。
The use of polynomial fitting broken fiber lightweight aggregate concrete and the number of freeze-thaw damage the relationship between the degree of change, a better fitting relations.
利用多项式拟合纤维轻骨料混凝土碎冻融次数与损伤度变化的关系,拟合关系较好。
The polynomial model fitting for radar cross section (RCS) of target is used for estimating the parameters of precession, which provides a new way for radar target discrimination.
然后通过对目标RCS回波数据进行多项式拟合,估计进动参数,以此为雷达目标识别提供新的技术思路。
The polynomial model fitting for radar cross section (RCS) of target is used for estimating the parameters of precession, which provides a new way for radar target discrimination.
然后通过对目标RCS回波数据进行多项式拟合,估计进动参数,以此为雷达目标识别提供新的技术思路。
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