1) half-logarithm model
半对数模型
2) the semi-logarithm trend model
半对数趋势模型
3) logarithm model
对数模型
1.
On logarithm model for operational effectiveness evaluation of aircrafts considering the weather;
考虑天气因素的飞机作战效能对数模型
2.
Based on the long-term monitoring data of post-construction settlement of the loess subgrade of the Lanzhou-Wuwei Line Ⅱ,the quasi consolidation model was set up and contrasted with other models such as the Poisson model,index model, logarithm model and hyperbolic model.
利用兰武二线黄土路基工后沉降的长期观测数据,提出一种新的分析预测模型——似固结模型,并与泊松模型、指数模型、对数模型、双曲线模型的预测结果进行对比分析。
3.
All exponential models, power function models, root-squaring models, hyperbolic models, but logarithm models can’t disclose the laws of the post- construction settlement of the high embankment.
在指数模型、幂函数模型、平方根模型、双曲线模型和对数模型等回归参数模型中,只有对数模型能较真实反映高填方地基工后沉降规律。
4) logarithmic model
对数模型
1.
To study the soil and water conservation, we usually use the logarithmic model to describe the relations between factors.
在水土保持研究中 ,常采用对数模型来描述各因素间的关系 ,这种模型往往具有较好的统计特性。
6) semi-parametric model
半参数模型
1.
Separation of systematical errors in processing high precision baselines based on semi-parametric model;
基于半参数模型的高精度GPS基线处理中系统误差的分离
2.
The text of several different methods of estimation of the weight function selection of details,and the estimated parameters of sound thinking applied to the semi-parametric estimation model,a semi-parametric model robust compensation generalized least squares estimation,through their example of stability,come to a conclusion.
对几种不同的估计方法的权函数选取进行了详述,并将参数稳健估计的思想应用到半参数模型估计中,提出了半参数模型抗差广义补偿最小二乘估计,通过算例对其稳健性进行了比较,得出了结论。
3.
There are two crucial steps in resolving semi-parametric model.
通过算例 ,将基于L \|曲线法确定平滑因子的半参数模型解算方法和其他方法进行了比较。
补充资料:半对数坐标
Image:11802736694318756.jpg
算术坐标系统:就是普通的笛卡儿坐标,横纵的刻度都是是等距的。(举例来说:如果每1cm的长度都代表2,则刻度按照顺序0,2,4,6,8,10,12,14……)
对数坐标:坐标轴是按照相等的指数变化来增加的,(举例来说:如果每1cm代表10的1次方增加,则坐标轴刻度依次为1,10,100,1000,10000……)
半对数坐标系统:只有一个坐标轴是对数坐标,另一个是普通算术坐标。
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