reduction n. 1.缩小,减少;降级,降位;(刑罚等的)轻减;减速;减价,折扣。 2.(城市、国家等的)陷落,投降,被征服、变成 (to; into)。 3.破落,没落;【物理学】衰减。 4.类别;碎矿;提炼。 5.【数学】简化,约简,缩减;化归。 6.(测量结果的)整理,(代号等的)译解;【无线电】订正。 7.【化学】还原法,改格法;【摄影】减薄。 a 10% reduction 九折。 great reductions in prices 大减价。 the reduction of armaments 裁(减)军(备)。 ascending [descending] reduction 由小[大]单位改成大[小]单位的换算法。 reduction to absurdity=reductio ad absurdum.
Short - term load forecasting based on attribute reduction algorithm of rough sets and support vector machine 基于相似日小波支持向量机的短期电力负荷预测
Based on these new computing methods , we also present a new heuristic attribute reduction algorithm 在此基础上,提出了基于数据库操作的启发式属性约简算法。
In this paper , firstly , we study on the attribute reduction algorithm . we main do two aspect work 首先,本文基于roughset理论,对普通决策表中的属性约简算法进行了研究。
Moreover , neat image incorporates the most advanced noise reduction algorithms in the industry 使用装置噪音描绘,整洁的图像被适应几乎任何的输入装置?数码相机,扫描仪,等等。
Second , the burst packet loss reduction algorithm is designated to decrease the frequency of continuous packet loss 其二,封包遗失减少演算法乃为减少连续封包遗失之发生频率而设计。
A new adaptive data reduction algorithm is presented to display large amounts of data on the computer screen of active sonar system 摘要本文讨论了主动声纳系统中主动检测结果的数据显示问题。
15 george karypis , euihong han . fast supervised dimensionality reduction algorithm with applications to document categorization retrieval 具体做法就是,先采用拉推策略来修正类中心,然后把修正的类中心作为压缩空间的坐标。
On the basis of the research on rough sets theory and known reduction algorithms , an improved attribute reduction algorithm is presented in this paper 通过研究现有的一些约简算法,论文提出了一种基于属性频率的改进约简算法。
And then , an improved attributes reduction algorithm is given based on the information quantity of single attribute and the discernibility matrix 该算法是基于信息量的概念,利用单属性条件信息量进行属性约简,并用可辨识矩阵进行修正。
The effect of the attribute reduction algorithm introduced in the reference [ 3 ] of chapter three is not satisfied , which is demonstrated through experiment in the paper 本文通过实验证明第三章参考文献[ 3 ]中对jelonek算法改进后的算法效果不理想。