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1)  nonlinear data fitting
非线性数据拟合
1.
Ellipse-shape detection based on nonlinear data fitting and cross-reference iterative model;
非线性数据拟合模型结合交叉参考迭代的医学椭圆形状检测
2)  nonlinear parameter simulate
非线性参数拟合
3)  non-linear fit
非线性拟合
1.
With the aid of the known 46 Mersenne primes and the application of non-linear fit,the approximate scope and possible values of the index p distribution of the 47th Mersenne prime is presented,that is,when the range of natural logarithm index p in Mp is [0.
根据现已知的46个梅森素数,运用非线性拟合,给出了第47个梅森素数指数p分布的大致范围和可能值,即Mp中的指数p取自然对数的范围为[0。
4)  nonlinear fitting
非线性拟合
1.
Study on nonlinear fitting method of transducer based on artificial neural network;
基于人工神经网络的传感器非线性拟合方法的研究
2.
Through nonlinear fitting on clastic coal core gas desorption laws in Jiedong mine,compared each desorption model of the loss to the loss of volume by calculation methods.
通过对街洞矿区碎屑状煤芯瓦斯解吸规律的非线性拟合,对各解吸模式的损失量与用计算方法所求得的损失量进行了比较。
3.
With computer and the software Origin,the nonlinear fitting method is employed to process kinetics experimental data.
借助电脑和Origin软件用非线性拟合方法处理乙酸乙酯皂化反应实验数据,可以在不测定反应起始和终了电导值的简化实验条件下,方便、快速、准确地获得反应速率系数及反应级数,建立动力学方程,优化了实验教学内容。
5)  non-linear fitting
非线性拟合
1.
The decay functions of two kinds of bitumen are established using the non-linear fitting method.
通过对试验数据的非线性拟合,提出了表征两种沥青发泡性能的衰退方程,其参数有明确的物理意义。
2.
The optimum models were obtained by non-linear fitting to describe the kinetic processes of adsorption of Cd on four types of soils in Northeast China.
通过非线性拟合的方法获取了适宜描述Cd在东北地区土壤上吸附动力学特征的最优化模型,综合来看,指数方程和指数函数方程比较适宜于描4种土壤对Cd的吸附动力学特征。
6)  Nonlinear regression
非线性拟合
1.
The paper proposes a nonlinear regression approach with sound level residual error least-squares for evaluating reverberation times,when reverberation decay curves are obtained by the backward integration of room impulse responses.
提出了估值混响时间的声级残差最小二乘非线性拟合法。
2.
Through the nonlinear regression and optimization,the optimal parameters were obtained.
并经非线性拟合和优化,获得了最佳的模型参数值,最终确定了能够较好表征实际发酵过程中菌体细胞生长、产物β-甘露聚糖酶合成以及基质总糖消耗的3个动力学方程。
3.
The research on nonlinear regression, weight methods, standard curve, three periods ANOVA, rank sum test, was accomplished.
完成了非线性拟合与加权计算方法、标准曲线、三周期方差分析、秩和检验等研究工作。
补充资料:非线性最小二乘拟合
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性质:用最小二乘法拟合非线性方程。有些变量之间的非线性模型,通过变量变换可以化为线性模型,此称为外在线性。而有些变量之间的非线性模型,通过变量变换不能化为线性模型,通称为内在非线性。对于非线性模型y=f(ξ,θ)+ε,其残差平方和。S(θ)是θ的函数,当模型关于θ是非线性的,正规方程关于θ也是非线性的。基于使残差平方和s(θ)达到极小的原理求出θ的估计值,拟合非线性回归方程。

说明:补充资料仅用于学习参考,请勿用于其它任何用途。
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