quadratic polynomial

Target tracking prediction in WSN based on quadratic polynomial motion modeling

基于二次多项式运动建模的WSN目标跟踪预测

Quadratic polynomial method has been applied widely in satellite image retification .

二次多项式方法在卫星影像纠正处理过程中已得到广泛应用。

Temperature measurement precision of fiber Bragg grating improved by quadratic polynomial fitting arithmetic

多项式拟合提高光纤光栅测温精度

Operational Matrices of Piecewise Quadratic Polynomial Functions with Application to Linear Time-Varying Systems

分段二次多项式函数的运算矩阵及在线性时变系统中的应用

Further requirements : to achieve quadratic polynomial multiplication .

进一步要求：实现三元二次多项式的乘法。

Characteristic functions and quasi-probability distribution functions of multi-mode Bose quadratic polynomial system

多模玻色二次多项式型系统的特性函数和准概率分布函数

The calculation accuracy of curvature fitting method depends on the degree of performance function fitted by quadratic polynomial .

其中曲率拟合法的计算精度主要取决于二次多项式对结构功能函数的逼近程度，而拉普拉斯渐进积分方法的计算精度主要受验算点精度的影响。

A property of quadratic polynomial

二次多项式的一个性质讨论

Quadratic polynomial could express drying kinetics curves of every drying condition by using Matlab software for polynomial curves fitting .

应用Matlab软件进行多项式曲线拟合，表明二次多项式能够有效地表达各干燥条件下的银耳干燥动力学曲线。

A new algorithm by use of quadratic polynomial is proposed to reconstruct inrush , and the corresponding sampling rate is determined .

提出了用二次多项式重构励磁涌流的新算法，并确定了相应的采样率。

Therefore , this paper used quadratic polynomial equation to fit , and its first order derivation is optimal stand density of forest type .

故本文采用二次多项式方程进行拟合，对其一阶求导即得到各森林类型的适宜林分密度。

It carries out the variable complexity modeling method and takes full advantages of the quadratic polynomial RSM and Kriging model .

该策略遵循变复杂度建模思想，结合了二次多项式模型和Kriging模型的优势。

Piecewise quadratic polynomial functions which are local smooth differentiable are used to fit the mesh vertices near the hole .

利用分段二次多项式函数局部光滑可微的特性，采用分段二次多项式对网格空洞周围顶点进行拟合。

Convexity Preserving C ~ 1 Piecewise Quadratic Polynomial Interpolant

保凸C~1分段二次多项式插值方法

Realization of Conversion from the 54 ~ ( th ) Coordinate to the 80 ~ ( th ) Coordinate by Using the Quadratic Polynomial

用二次多项式实现54坐标到80坐标的转换

The purpose of this paper is to introduce a new kind of finite element method-piecewise quadratic polynomial technique to solve 2-dimensional problem of electromagnetic field .

本文对给定区域的任意三角剖分，利用分片二次多项式的基函数，导出了一种求解任意场域二维电磁场问题的新数值计算方法&分片多项式方法。

Quadratic polynomial was used to fit the original data for the stress-strain relationship , and the minimum point of the fitting parabola was defined as reference state .

对于原始试验数据，用二次多项式拟合应力应变关系，根据拟合抛物线的最低点确定参考状态。

In the paper , the quadratic polynomial function smoothing-method is used to smooth the sampling data , which is proved to be effective in filtering the high frequency noise .

采用二次多项式滑动平滑法对采样数据进行平滑，有效地滤除了信号中的高频噪声。

And on the basis of steady state equivalent circuit of induction generator , a coefficient-variable quadratic polynomial model is proposed to describe its reactive consumption in power flow calculation .

基于异步发电机的稳态等值电路，在潮流计算中提出了一种描述其吸收无功的变系数二次多项式模型。

With the aid of quadratic polynomial widely used in the analyze of mudslide , we found it can describe the constitutive relationship of the quartz sand appropriately .

在采用描述泥石流本构关系时常用的二次多项式对其分析后发现其能够较好地描述石英砂的本构关系。

Piecewise quadratic polynomial functions are employed to perform the analysis of linear time-varying systems . With the treatment of the product of two time functions , operational matrices of integration are developed .

本文应用分段二次多项式函数推导了两个时间函数乘积积分的运算矩阵，并根据这些矩阵，把一组线性时变系统的状态方程简化为一套便于计算机运算的数值方程。

This paper presentS a new polynomial function-piecewise quadratic polynomial function , and demonstrates two relative theorems With the treatment of linear time-invariant Systems , the integration operational matrices are developed .

本文介绍一种新的多项式函数分段二次多项式函数，同时，阐述了两个相关的定理。

SPAD value increased with leaf position increased , the change function of a quadratic polynomial can be described , SPAD values in different periods there were significant difference with the leaf nodes .

SPAD值随叶位的上升，其变化可用二次多项式的函数关系进行描述，同节位叶片不同时期SPAD值存在极显著差异。

Conclusion The optimized matrix of Kuhuang Ointment can be achieved by nonlinear model based on quadratic polynomial regression equations , which could be the best formula of Kuhuang Ointment Matrix .

结论基于二次多项式非线性模型拟合的回归方程，优选出的基质配比为苦黄软膏的最佳组方。

For nonlinear multi-input / multi-output ( MIMO ) systems , the structure and algorithm of SVM with quadratic polynomial kernel function based one-step-ahead nonlinear model predictive control ( NMPC ) is proposed .

本文的主要贡献：1.针对非线性多输入多输出（MIMO）系统，提出基于二次多项式核函数SVM的提前一步非线性模型预测控制（NMPC）的结构和算法。

It was found that the forecast result of multiple linear regressions with stepwise procedure , quadratic polynomial step regression and BP for fruit firmness , sugar content and acidity were very precise .

多元线性回归、二次多项式回归和BP网络对雪青梨坚实度和糖度的预测精度都很好。

Freezing index and soil water content , freezing index and soil temperature all have quadratic polynomial relationship . ( 2 ) The depth of frost lining plate with channel slope displacement sizes were not same .

土壤含水量与冻结指数和地温、地温与冻结指数间均存在二次多项式相关关系。

Results : A good quadratic polynomial model for caprylic acid incorporation was obtained . According to the ANOVA , the model was significant ( P < 0.0001 ) and there was no lack of fit .

结果：建立了辛酸插入率对5个变量的一个2次多项式数学模型，该模型极显著（P<0.0001），拟合优度良好。

The relationships between capillary water stability height and oil content of sand and clay were power and quadratic polynomial respectively . ( 6 ) The water-salt dynamics of porous media polluted by oil were studied .

砂性土和粘性土的毛细水稳定高度与石油含量分别成乘幂和二次多项式关系。（6）系统研究了石油污染含水介质的水-盐动力学特性。

According to experiment results , the ternary quadratic polynomial models of fertilizers application about early rice , middle-season rice and late rice are founded respectively . The results show regression equations are all significant in statistics .

根据试验结果，分别建立早稻、中稻和晚稻的三元二次多项式区域施肥模型，各回归方程均达统计显著水平。