文中描述了一种保凸参数拟合方法。
This paper given describes a convex persevering fitting method.
仪器为对中小型结构的试验模态分析提供了单模态参数识别与多模态参数识别等多种参数拟合方法，并预留了增加新的拟合分析算法的接口。
The systemoffers different methods of parameter identifications for structures test including simple mode and multiple modes, and retains the interface of adding new smooth algorithms.
最后分析拟合结果，讨论了这些参数对电池效率的影响，提出提高效率的方法。
Also discussed are the fitting results, the effect of these parameters on cells efficiency and the ways for improving efficiency.
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。
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.
然后，把家庭收入拟合于三参数的对数正态分布，并用迭代的方法求出分布的参数。
Then we fit family income distribution with three-parameter Iognormal distribution, and using iteration method, we determine three parameters of lognormal distribution.
以实测动力特性参数为依据，应用ANSYS拟合模型参数的建模方法。
The modelling method of applying ANSYS to match model parameter according to the testing data.
针对结构中的梁式构件提出了一种基于反应曲线拟合的参数识别方法。
A response curve fitting method is developed to estimate parameters of beam-type members with unknown rotational response.
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。
The parameter estimation achieved by this method is not unbiased. The precision of curve fitting is low.
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。
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.
所以利用曲线拟合方法很容易实现全部地震岩性参数的反演，并可提取零偏移距剖面。
Consequently, with the use of curve fitting method, the inversion of all seismic lithologic parameters can be easy achieved, and zero-offset section can be obtained.
分析了用曲线拟合估计粘弹性材料线性本构方程模型参数的原理和方法。
The principle and method for fitting and estimation of constitutive equation model parameters are discussed.
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。
Methods Occupational stress data were analyzed and using LISREL to estimate parameter. RMSEA, GFI, SRMR were used as fitting goodness indicator.
本文提出了发电设备可靠性的增长模型，介绍了该模型的参数估计和拟合检验方法。
A reliability boost model for power plant equipment is presented, together with a description of a method for estimating the parameters and testing the modal fitting quality.
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。
The comparison among various methods of parameter estimation shows that the least-squares fitting method in the time domain is more accurate one.
提出了一种基于曲线拟合法求取图像中不规则边界圆的参数求取方法。
A new algorithms for parameters of an image irregular boundary circle parameters is presented, which is based on Curve-Approximate Method.
传统的实测曲线拟合法对土模型参数的反演采用人工试凑的方法，效率低，且需要有一定工程经验的专业人员来操作。
Traditional signal matching analysis adjusting parameters of soil model uses manual way which has a fault of low efficiency and need the professional who processes engineering experience.
本文分析了图像网络采样加权算法及图像网络参数控制的统计拟合分析方法，编制了盐水泥浆测井资料的网络分析校正系统。
Through analyzing weighted method of image network sampling and statistic matching method of image network parameters, network analytical correction system of saline mud log has been compiled.
本文提出了一种复合数字滤波方法及基于最小二乘原理的直线拟合方法，用于实现火炮接口参数检测系统的滤波和线性度拟合。
A compound digital filtering method and a line fitting method based on the least squares are presented, which are used in the measurement system of interface parameters of artillery.
通过对几种常用的CAD造型方法的比较，对常用而复杂的喷管离散点型轮廓段的拟合插值采用三次参数样条曲线来完成。
After comparing several common CAD modeling methods, the cubic parameter-spline curve is used to approach and interpolate discrete contour of usual and complicated rocket jet.
然后，把家庭收入拟合于三参数的对数正态分布，并用迭代的方法求出分布的参数。
Then we fit family income distribution with three-parameter lognormal distribution, and using iteration method, we determine three parameters of lognormal distribution.
给出了趋势检验、AMSAA模型的拟合优度检验及模型参数的极大似然估计方法。
The tendency check, goodness of fit check, maximum likelihood estimates (MLE) of the parameters and MTBF for AMSAA model are presented.
拟合得到了亨利常数与温度关联式的系数，同时提出了以临界体积为参数的甲烷在烃类溶剂中的亨利系数的估算方法。
The temperature coefficients of Henry constant were correlated. At the same time, a method was advanced to estimate methane Henry constants in hydrocarbons using critical volume.
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。
Parameter of the model and the numerical solution are given using the way of curve fitting.
本文讨论了用非参数模型对儿童生长曲线进行拟合，给出了两种非参数曲线拟合方法：光滑样条和核估计。
This paper discusses childhood growth curve fitting by nonparametric models, and provides two methods for nonparametric curve fitting: smoothing spline and kernel estimator.
对于参数曲面，采用先离散，再重新拟合的处理方法，建立统一的双三次参数样条曲面通用工件模型。
The input parametric surfaces are discrete, then we will get new surfaces with bicubic parameter spline function and build uniform workpiece model.
对于参数曲面，采用先离散，再重新拟合的处理方法，建立统一的双三次参数样条曲面通用工件模型。
The input parametric surfaces are discrete, then we will get new surfaces with bicubic parameter spline function and build uniform workpiece model.
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