1) rarefaction
[英][,rɛəri'fækʃn] [美][,rɛrə'fækʃən]
稀疏，稀化，稀薄
2) sparseness
[英]['spɑ:snis] [美]['spɑrsnɪs]
稀疏化
1.
A short-term load forecasting approach based on imposing sparseness upon LSSVM integrated SMO algorithms;
基于LSSVM与SMO稀疏化算法的短期负荷预测
2.
Compared with SVM,it losses the sparseness of solution,which influences the efficiency of second learning.
因此通过改进的剪枝算法对解进行了稀疏化处理,将此方法应用在电力系统短期负荷预测中,并对其预测结果与支持向量机进行分析比较,预测的准确性得到了进一步提高。
3.
For the research of acoustic signal transmission in shallow-water channel, based on the analysis of decision feedback equalizer (DFE) arithmetic, the mean square error (MSE) of sparseness weight DFE equalizer channel estimation and channel sparseness estimation are researched.
对浅海信道传输的声信号进行深入分析,在对判决反馈均衡(DFE)算法进行分析的基础上,对稀疏权DFE均衡器信道估计的均方误差(MSE)、信道的稀疏估计等进行了分析研究,并对信道进行了稀疏化估计,对全阶均衡器和稀疏权均衡器进行了仿真,证明对非线性均衡器结构进行稀疏化是可行的,降低了算法复杂性,并使由此造成的性能下降限定在一定的范围内。
3) sparsification
稀疏化
1.
From the view of sparsification,an improved algorithm based on extended information filter SLAM is introduced.
所提出的算法从稀疏化的角度对扩展信息滤波SLAM算法进行改进。
2.
For this reason,this paper proposes to seek for the correlation coefficient instead of the high order statistics and apply it to sparsification of training sample set and nonlinear classification with radial basis kernels.
该文将计算高阶统计量转化为求相关系数,研究高阶相关在样本稀疏化以及基于径向基核的非线性分类方面的应用。
3.
In order to reduce redundancy of training samples and extract the high dimension feature, we present some arithmetic about samples sparsification and classification based on high order correlation in the paper.
本文主要研究了模式识别中训练样本的稀疏化算法以及高阶相关在分类识别中的应用,从而达到减少训练样本的冗余性以及提取高阶统计特性作为分类特征的目的。
4) sparse
[英][spɑ:s] [美][spɑrs]
稀疏化
1.
CCA sparse least squares support vector machine classifiers;
基于CCA对LSSVM分类器的稀疏化
2.
High sparseness least squares support vector machine classifier;
最小二乘支持向量机分类器的高稀疏化及应用
3.
For lack of sparseness characteristic in support vector machines(SVM) by least squares solution(LSSVM),a density weighted pruning algorithm to improve the sparseness of the LSSVM regression model is investigated.
针对最小二乘支持向量机失去标准支持向量机稀疏特性的问题,提出了一种基于密度加权的稀疏化算法。
5) sparsity
[英]['spɑ:siti] [美]['spɑrsətɪ]
稀少;稀疏
6) sparse
[英][spɑ:s] [美][spɑrs]
稀疏
1.
Which the method one dimension compress store of large-scale sparse systems of equal bandwidth positive definite symmetric linear equitions being used for solving the function of peotential distribution from normal resistivity logs,the solving method of this paper can normally deal with parameters from 1 to more than 2×10~6.
在用有限元法进行普通电阻率测井中的电位分布函数的求解过程中，使用了大型稀疏等带宽矩阵的一维压缩存储方法，从而使该求解过程的计算程序可适用于地层参数相差２００万倍以上的情况。
2.
A maze running algorithm is proposed to find the shortest path between two given points in a grid with sparse rectangular obstacles.
给出了一个在具有稀疏矩形障碍的迷宫中寻找给定的两个单元之间的最短路径的算法。
3.
A algorithm for solving large-scale sparse group of linear equations is presented.
给出了求解大规模稀疏线性方程组的一个实用算法；该算法能够保持矩阵的稀疏性和减少存贮量，并且能够求解一些大规模的问题。
补充资料：稀疏
1.亦作"稀疎"。 2.不稠密。 3.犹言冷落﹐疏远。
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