1) relative proportion function
相对比例函数
2) contrast function
对比函数
1.
We also compare the algorithm with the traditional algorithms in speed, which reduces times of iterations from about 2 000 to not more than 300, and analyse briefly criterion of selecting contrast function to realize global convergence.
适当地选取对比函数可实现全局收敛,并简要分析了对比函数的选取准则。
2.
Based on the mathematical model of blind source separation,the contrast functions used in blind source separation was introduced and the optimization algorithms were provided in the following two aspects: linear and non-linear mixed model.
从盲信号分离问题的数学模型出发,介绍在盲信号分离中主要使用的对比函数,并分别从线性混合模型和非线性混合模型两个方面综述了盲信号分离的优化算法,最后提出了这一领域中有待进一步研究的几个问题。
3.
Based on constrained independent component analysis,a fast algorithm for one-unit ICA-R is proposed when absolute value of kurtosis is considered as contrast function in this paper.
基于约束独立成分分析理论,以峭度的绝对值为对比函数推导出一种快速一单元ICA-R算法。
3) logarithmic scale
对数比例尺
4) functional proportional mean
函数比例平均
1.
A new kind of combining forecasting model based on the generalized weighted functional proportional mean is presented.
提出一种新的组合预测模型——广义加权函数比例平均组合预测模型,并利用二次规划算法给出其加权系数的参数估计方法。
5) proportional hazard function
比例危险函数
6) relative proportions of land
土地相对比例
补充资料：比例相对指标
比例相对指标是同一总体中一部分数值与另一部分数值之比，表明总体范围内各个局部之间的比例关系和协调平衡状况。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条