Discuss the means of deducing bidding models by linear regression and curve fit method, and further more, acquire rivals' bidding competitive ratio with fuzzy forecasting technique.
研究运用线性回归及曲线拟合手段推导投标报价模型的方法，并进一步运用模糊预测技术研究获取对手的竞标能力值。
However, nonlinear group contribution method can provide a superior fit to biodegradation and produce a lower prediction error than the linear group contribution method.
预测结果表明线性和非线性基团贡献法的预测效果都很好，相比而言，非线性方法对生物降解性的预测更准确。
Welding temperature field was analyzed by using non-linear curve fit method based on experiments.
建立了一种基于试验的非线性曲线拟合的新方法来分析焊接温度场。
To compare the goodness of fit of two linear models, a method of hypothetic test has been proposed in this paper. The principle of the methods is proved theoretically.
为了比较两个线性模型的拟合优度哪一个高，本文提出了对两个模型的拟合优度进行假设检验的方法，对该方法的原理进行了论证。
Methods:Power model of non-linear regression was adopted to fit the curve of incidence of malaria, which result is contrast with the same model came from curve estimation method.
方法：对疟疾发病率曲线进行非线性过程的幂函数拟合，并与用曲线参数估计法的幂函数拟合结果进行对比。
There two extracting strategies in this thesis: (1) Transform the device characteristics equation to linear form and use "least squares fit" method to extract relevant parameters.
本文主要采用了两种参数提取方法：(1)将器件特性方程线性化，用最小二乘法提取相应参数。
The linear least square method should be selected to fit engineering data to a straight line.
在工程数据线性拟合时，宜选用线性最小二乘法。
The experiment shows that this method is totally fit for the non-linear load and has a great effect on suppressing the inverter's output harmonics.
实验表明，这个方法对逆变器输出谐波有很好的抑制效果，对非线性负载也完全适用。
Linear regression analysis (the least squares method) is one technique for estimation a line of best fit.
线形回归分析(最小二乘法)是一向估算最优拟和线的技术。
The uncertainty of evaluation results of delay between channels of linear measurement system by using the least mean square four-parameter sine-wave curve-fit method is described.
介绍了用正弦波拟合法评价测量系统通道间延迟时间差不确定度的分析和评定过程。
The uncertainty of evaluation results of delay between channels of linear measurement system by using the least mean square four-parameter sine-wave curve-fit method is described.
介绍了用正弦波拟合法评价测量系统通道间延迟时间差不确定度的分析和评定过程。
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