The correlation indexes of fitting function between I4C ages and depths are all over the significant level.
年龄和土壤深度线性拟合方程的相关指数在各剖面均达到了显著水平。
The measurement method, experimental results and the fitting function provide a reference for the polarization device research.
提出的测量方法、测量结果和拟合函数的建立对偏光器件的研究有一定的参考价值。
Hence we derive the expression of fitting function and propose a new Q-value inversion method using non - linear parameter statistical modeling of seismic records.
为此我们导出了拟合函数表达式,提出用非线性参数统计模拟地震记录的方法反演q值。
The paper adopts the method of multinomial least squares as fitting to make the fitting function be simple and the amount of compensation interval be least, reduces the calculation cost.
同时,拟合方法采用目前非常成熟的多项式最小二乘拟合。从而不仅能控制拟合函数的复杂性,而且使分段拟合的补偿区间数量达到最少,极大地降低了计算成本。
Model errors are inevitably existed in a large-scale GPS leveling fitting model. This paper mainly deals with such model errors and on how to choose the fitting function model of GPS level.
大范围GPS水准拟合模型,必然存在模型误差,考虑模型误差,如何选取GPS水准的拟合模型是本文讨论的主题。
The mathematical model of reentry maneuvering trajectory is established. The fitting expression of aerodynamic coefficient function on velocity, attack of Angle and altitude is presented.
建立了再入机动弹道数学模型,给出了气动力系数为速度、迎角、高度的函数拟合式,进行了最佳再入机动弹道设计和仿真计算。
After Fitting, distribution function parameters values, mean values, maximum and minimum can be obtained.
拟合结果可以得到相应的分布函数的参数和方向性数据的均值,最大最小值范围。
S function was the best model in the fitting between stand density and age.
密度与林龄的拟合以S函数为最优模型。
The mathematical model based on orthogonal function as fan characteristic curve fitting is introduced and its precision and utility is validated through the calculating example.
介绍了采用正交函数法快速拟合通风机性能曲线的数学模型,通过算例验证了此数学模型的精确性和实用性。
An especial perturbation technique of curve fitting shape function is applied for variation of the wing shape.
采用独特的机翼外形曲线拟合函数摄动方法来改变机翼。
These three parameters, determined by fitting vapour pressure, vapour volume and liquid volume, are all function of temperature.
由同时拟合蒸汽压、汽相体积和液相体积确定的三个参数都是温度的函数。
Containing built-in storage and desks, it can function as a workspace, a gallery or a fitting room for clients.
它可以作为客户的工作区、画廊或试衣间,包含内置存储和办公桌。
On the basis of field geology survey, the probability distribution function of joint aperture is fitted and the availability of the fitting is verified.
在现场地质调查的基础上,对节理开度的概率分布函数进行了拟合,并进行了假设分布的有效性检验。
Engineering applications, the interpolation and regression (curve fitting) function expression usually are used to describe data to solve the problem.
工程应用中通常用插值和回归(曲线拟合)解决函数表达式描述数据的问题。
Secondly, the algorithm of fitting transfer function is introduced.
其次,介绍了传递函数拟合算法。
The paper introduces the method of data fitting, programming and application of general listing function to engineering, surveying and design.
介绍了工程实验、勘测、设计中常见的列表函数之数值拟合方法、程序实现及工程应用。
GA is used to obtain coefficients of cubic spline function fitting to avoid the inverse of the matrix and some work is made with an example.
文中将GA用于三次样条函数拟合的系数求解,避开了矩阵求逆的繁琐问题,结合具体例子作了一些探索。
By lots of experiments, along with the BP neural network's fitting and optimizing function, an excellent drawing oil with good load carrying capacity, cleanout and secure performance was developed.
经大量的性能试验,结合BP神经网络的拟合、优化功能,最终研制出具有很好的极压性、清洗性、防锈性和安全性的拉延油。
For the convenience of time -domain convolution, the vector fitting method is adopted to approach the characteristic impedance and delay function in complex frequency-domain.
为了便于时域卷积,对不同模量上的特征阻抗和延时函数在复频域采用矢量匹配法进行拟合。
This paper presents a new method based on Attribute Theory and Bernstein Basic Function fitting after thorough study of stock investment and prediction technology.
本文在深入分析股票投资理论和股价预测方法的基础上,提出了利用属性论方法和波恩斯坦基函数拟合技术的股市预测算法。
The simulation results from function fitting and time series prediction indicate that UGEP performs better than other similar algorithms in each of experimental.
试验结果也证明,在求解函数拟合和时间序列预测等实际问题时,对比同类算法,UGEP算法体现出了较大的优越性。
Polynomial curve fitting is a usually used data fitting method. When there are too many data for fitting, only just one polynomial curve function cannot acquire good fitting effect.
多项式曲线拟合是一种较常用的数据处理方法,但当数据点较多时,只采用一种多项式曲线函数拟合所有数据点难以取得较好的拟合效果。
The Fourier polynomial fitting is compared with the Chebysher polynomial fitting in the division of cyclic time interval and fitting accuracy as well as convergence of function.
将本方法在周期时段划分、拟合精度、函数收敛方面与契比雪夫多项式拟合法进行了对比。
Trial numerical computation indicates that taking radial basic function as exciting function of a hidden layer brings good sample fitting effect.
经数值计算结果表明,选择径向基函数作为隐层的激励函数,可以得到较好的样本拟合效果。
According to grouping, the most superior one grouping is selected. Because the data histogram displays the obvious dissymmetry, the fitting with the segment function is proposed.
根据分组情况,选出最优的一种分组方法,以该种分组法为基础进行分析,由于数据直方图表现出明显的不对称性,故提出用分段函数进行拟合的想法。
In local area, we can arrive at preferable precision by GPS height fitting using polyhedral function model.
高程异常一般呈多曲面分布,在局部区域内,建立多面函数模型进行GPS高程拟合,可以达到较高的精度。
It is necessary to solve a system of nonlinear equations for fitting the curve of nonlinear function by use of the least square method.
非线性函数的最小二乘法拟合曲线需要求解一个非线性方程组。
Curve fitting problems are also discussed assumed linear marginal cost function.
本文采用线性边际成本函数假设,研究了成本曲线拟合问题。
In this paper, the non-linear objective function is treated by means of the complete linearization method and the fitting parameters are restricted by using the punished function.
本文利用完全线性化方法处理非线性目标函数,用惩罚函数法对拟合参数约束。
As for the latter relationship, by fitting in the two phases of time, the function expressions of the sand discharge capacity and tonnage is gained in the end.
按时间分为两段进行拟合,最终确定了排沙量与水流量的函数关系。
应用推荐