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。
Then, an example of the fitting arithmetic is given, and the infection by the neural network parameter on the fitting result is researched.
然后给出了一个具体的拟合算法实例，探讨了神经网络参数对于学习过程及拟合结果的影响；
Parameter estimation in dynamical systems, example : least squares fitting of rate constants from batch reactor data, parametric sensitivity analysis.
动态系统之参数估算，范例：利用批式反应器数据做速率常数之最小平方配适，参数灵敏度分析。
Parameter of the model and the numerical solution are given using the way of curve fitting.
同时用曲线拟合的方式，给出了模型中参数的确定方法，以及模型的数值解法。
According to results of calculating parameters and groundwater level fitting, a conclusion which complex method is very effective for multi parameter inverse problem is given.
根据求参结果及水位拟合情况，特别指出当反演参数的个数较多时，复形法的实用性就显得更为突出。
Solar cell both exponent mathematical model can be obtained exactly using a few measurement data by the least squares fitting method that parameter can be separated.
用参数可分离非线性最小二乘拟合方法，根据少量测量数据较准确地求得了太阳电池双指数数学模型。
The generalized eigen analysis is employed to directly and effectively estimate the ellipse parameter vector. The detectability and fitting accuracy are significantly improved.
并通过直接估计椭圆参数的广义本征分析技术，进一步提高椭圆的可检测性和拟合精度。
Methods Occupational stress data were analyzed and using LISREL to estimate parameter. RMSEA, GFI, SRMR were used as fitting goodness indicator.
方法结合职业紧张研究数据，利用LISREL软件实现参数估计，以RMSEA、GFI、SRMR作为拟合优度检验的评价指标。
Algorithms for iteratively refining the parameter estimates and residuals from the fitting of a regression model using QR decomposition are described.
讨论用QR分解拟合回归方程时，参数估计和剩余的迭代加细算法。
The comparison among various methods of parameter estimation shows that the least-squares fitting method in the time domain is more accurate one.
各种参数估值方法的比较表明，时间域最小二乘拟合法较为精确。
Finally, three methods have been proposed for model calibration, namely, index comparison, parameter comparison and curve fitting.
最后，提出了三种方法对模型进行校验，分别是指标对比法、参数对比法、曲线拟合法。
And car tracking is realized by a polygon fitting approach in three-parameter state space.
车辆的跟踪是采用三参数状态空间的多边形拟合技术来实现的。
The parameter estimation achieved by this method is not unbiased. The precision of curve fitting is low.
但这种方法进行的参数估计不是无偏估计量，因此其非线性拟合精度较低。
A reliability enhancement model is proposed for high-pressure heaters at a large-sized thermal power plant along with a detailed discussion of the model parameter estimation and fitting inspection.
文中提出了大型火电站高压加热器可靠性增长模型，详细讨论了该模型的参数估计和拟合检验。
The factors of MOS transistor in the saturation region are analyzed, the mismatch models are optimized, and the model parameter extraction is done by least squares curve fitting method.
通过分析MOS管在饱和区失配因素，优化MOS管失配模型，提出用最小二乘曲线拟合法进行相关模型参数提取。
The calculating formulae of weighted optimum curve regression model parameter given in this paper possesses high speed of parameter correcting, high precision of fitting and obvious effect.
本文给出的带权优化曲线回归模型参数计算公式，修正参数速度快，拟合精度高，效果显著。
Constitutive model is very important for parameter back analysis. A fitting constitutive model can make it easily to ascertain parameter.
本构模型是岩体参数反分析的一个重要方面，合适的模型可使参数确定变得容易。
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。
Taking the dynamic pressure as an induction parameter, the measured data is induced to that a result with higher fitting degree is obtained, which has a better engineering practicability.
利用动压作回归参数，对实测数据进行归纳，得到了较高拟合优度的结果，有较强的工程适用性。
Conclusion the SAEM algorithm is an efficient fitting method for the population pharmacokinetics parameter estimation.
结论利用SAEM算法估计群体药代动力学参数是一个比较好的方法。
Zero-truncated count model could not only solve the issue of zero-truncated count distribution, but also the parameter estimates were more accurate, the fitting results were more reasonable.
采用零截尾计数模型分析，不仅可以解决零截尾计数分布问题，且参数估计结果更准确，拟合效果更合理。
By piecewise polynomials and the Ramberg-Osgood three-parameter equation fitting the stress-strain curve, the expressions of the tangent and secant modulus are derived.
分别介绍了用分段多项式和朗培其一奥斯古特三参数方程拟合应力应变曲线并求切线模量和割线模量的方法。
METHODS Construct proper accumulation normal distribution function form and fit with our experimental data, then compare with the common 4-parameter equation fitting.
方法构建累积正态分布函数的适当表达形式，对实验所得数据进行拟合，同时与常用的四参数方程拟合进行比较。
The example showed that self-memory model, based on parameter optimization, advanced the adaptability and had a better fitting effect and prediction effect.
实例研究表明，基于参数优化的自记忆模型提高了自记忆模型的适应性，具有更好的拟合、预测效果。
The research shows that the parameter identification procedure proposed has the characteristics of robustness, global convergence and the ability of fitting measurement noises.
研究表明，所提出的参数识别方法具有鲁棒性、全局收敛性和抗观测噪音的能力。
METHODS: Construct proper accumulation normal distribution function form and fit with our experimental data, then compare with the common 4-parameter equation fitting.
方法：构建累积正态分布函数的适当表达形式，对作者实验室所获得的实例数据进行拟合，同时与常用的四参数方程拟合进行比较。
METHODS: Construct proper accumulation normal distribution function form and fit with our experimental data, then compare with the common 4-parameter equation fitting.
方法：构建累积正态分布函数的适当表达形式，对作者实验室所获得的实例数据进行拟合，同时与常用的四参数方程拟合进行比较。
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