rough reduction 中文意思是什麼

rough reduction 解釋
地面有機覆蓋物的清除
  • rough : adj 1 粗糙的 (opp smooth); 凹凸的,崎嶇不平的 (opp level)。2 粗毛的,多毛的,蓬亂的(頭發)。...
  • reduction : n 1 縮小,減少;降級,降位;(刑罰等的)輕減;減速;減價,折扣。2 (城市、國家等的)陷落,投降,...
  1. This paper recurred to the basic theory of rough set of data mining and under the direction of the frame of intelligent decision, the main theories include i ) the different methods of data mining on the base of rough set are used to deal with typical decision system namely consistent decision system and inconsistent decision system in order to carry through data reduction and rule distilment ; ii ) in the environment of dynamic increment database, the methods of data reduction to deal with the original data and increment data are discussed in the consistent and inconsistent decision system ; iii ) the method of data mining of rough set is analysized to treat with the attributes with priority ; iv ) on the base of basic rough set theory, the data analysis methods of amalgamation of rough set theory ; v ) and also the pre - disposal method to database is analysize

    本文從系統工程進行決策分析的角度出發,藉助數據挖掘技術中粗糙集的基本理論,在智能決策框架的指導下,研究了基於數據挖掘的智能決策理論及方法。主要理論包括:如何利用粗糙集對典型的決策系統即相容性決策系統和不相容性決策系統運用不同的數據挖掘方法進行有效的數據約減和規則提取;在增量動態的數據庫環境下討論了在典型決策系統中對原始數據和增量數據進行數據約減的方法;分析了帶有優先權屬性的粗糙集數據挖掘方法;以基本粗糙集為基礎探討了粗糙集擴展模型的數據分析方法;研究了粗糙集數據預處理方法。
  2. Outlier detection is a very important technique in data mining. in this paper, a more practicable system on outlier mining technique in high - dimensional is presented, which uses reduction character of rough set to cut out some inessential attributes and then mines outliers in subspace of every correlation rules

    本文提出了對高維空間下離群點挖掘技術上的一個改進,即利用粗糙集的約簡特性對高維空間下的數據屬性進行約簡,通過約簡一些無關緊要的屬性來減少高維空間的維數。
  3. An approach to attribute reduction based on rough set theory

    基於粗糙集的屬性約簡演算法
  4. Attribute reduction is the core of rough sets theory

    屬性約簡是粗糙集理論的核心內容。
  5. Real rough set theory and attribute reduction

    實域粗糙集理論及屬性約簡
  6. 650mm, 500mm, 450mm, rough rolling mill group, 400mm rough rolling mill group and medium rolling mill group, 320mm medium rolling mill group, 300 medium rolling mill group, 280mm, 250 mm, 220 finishing rolling mill group. note : all the groups include motor, speed reduction unit, link - up, guide rail, roller etc

    一軋機規格新的二手的650mm粗軋機組, 500粗軋機組, 450粗軋機組, 400粗中軋機組, 320mm中軋機組, 300中軋機組, 280 250 220mm精軋機組。
  7. Fuzzy pattern recognition based on rough set attribute reduction

    基於粗糙集屬性約簡的模糊模式識別
  8. As a novel tool for knowledge extraction, the rough set theory can supply reliable data to maintenance technicians for rapid and effective fault diagnosis by the " reduction " of information system and extracting a set of minimal diagnostic conditions in the fault diagnosis system

    應用粗糙集理論挖掘工具,對故障信息系統「約簡」 ,在故障診斷系統中提取最小診斷條件集,可為設備維護人員提供快捷、有效的診斷依據。
  9. As the problem of attribute is one of core problems in rough sets theory, this paper puts forward an improved algorithm based on genred reduction algorithm, what " s more, the improved algorithm is applied into client purchase analysis field

    屬性約簡問題是粗糙集理論的核心問題之一,本文提出了一種基於genred的最大概率因子的改進屬性約簡演算法,並將該演算法應用在市場營銷的客戶購買分析方面。
  10. Attribute reduction of groundwater quality index based on the rough set theory

    基於粗集理論的地下水水質指標屬性約簡
  11. On affected heel where the skin tend to be thicker and reduction in sweating compared with other part of the skin on our body. use nightly to gently smooth out dry, rough and cracked heel. recommended to wear sock after application of

    腳跟是人體皮脂分泌最少最乾燥最容易裂的部位,所以臨睡前,塗抹少許heelheal腳跟裂膏在腳跟塗抹后建議穿上襪子,每晚使用,能軟化腳跟部位的角質層,使裂的腳跟裂痕復合,同時恢復柔軟光滑。
  12. An improved attribute reduction algorithm based on rough set theory

    一種基於粗糙集的屬性約簡演算法改進
  13. An attribute reduction algorithm based on the relation matrix of rough set

    基於粗糙集相關矩陣的屬性約簡演算法
  14. While putting rough set theory into practice, this thesis pays attention to setting - up the proper data structure. in order to improve the data utilization ratio and promote rule quality, this thesis puts forward the method of " divide equally and examine each other this thesis bring forward the method of dynamic reduce to overcome data noise and confirm the best reduction finally with the help of rosetta tool software we apply the above concept and method to reality, and succeeded in obtaining the optimum rule for the expert system of production scheduling in daye iron ore mine, wuhan iron and steel company

    由於標準粗糙集模型對數據噪音高度敏感以及工程應用中數據噪音引入的不可避免性,標準粗糙集模型在實際應用中存在一系列問題,為克服數據噪音以及規則泛化的需要,本文採用變精度模型,由此模型引入近似約簡方法。本文在將粗糙集理論及變精度粗糙集模型應用於實際的同時,注重研究了適當數據結構的建立。為提高數據利用率,提升規則生成的質量,提出了平分互測規則集泛化能力考核方法。
  15. Knowledge about the faults of a process control system is obtained automatically by rough set reduction. an entropy - based criterion is used to measure the uncertainty of it. methods of forward and backward fault diagnosis and how to build up decision tables for each fault source are given

    利用粗糙集進行故障知識的發現,尋找系統各個故障源信號之間合理的邏輯關系,提出了一種構造邏輯故障樹的智能方法,並給出了相應的故障樹評價標準。
  16. Under the condition that the lower - layer elements and their dominating upper - layer elements are considered as the condition attributes and the decision attributes separately, the following problems are studied : refining of assessment index system, acquirement of index weight and the constructing of judgment matrix based on the reduction and the attribute importance theory in rough sets, which achieve the sufficiency use of field knowledge for analytical hierarchy process and decision support of the hierarchy problems for rough sets

    摘要將層次分析模型中下層因素與支配它的上層因素分別視為條件屬性和決策屬性,藉助粗糙集的約簡和屬性重要性理論,研究了融合粗糙集的層次分析法的指標體系的完善、指標權重的確定、判斷矩陣的構造等問題,實現了層次分析法時領域知識的利用及粗糙集對層次結構問題的決策支持。
  17. With fault diagnosis of rotating machinery as example, the similarity - based generalized rough sets theory was applied to reduction of incomplete decision system to find necessary conditions for diagnosis. based on the optimal decision system obtained from the reducts, bp neural network was designed for fault identification. the application of the reducted decision system to the neural fault classifier indicated that rough sets based reduction reduces the dimension of input to neural network, and raise

    在故障診斷的實踐方面,根據課題要求,在理論研究的基礎上,以microsoftvisualc + + 6 . 0為基本開發工具,綜合利用數據庫、 matlabc c + +數學函數庫、多線程和windowssockets網路編程等技術開發了基於intranet的大型機組在線狀態監測與故障診斷系統。
  18. Bringing forward an intelligent decision method of image segmentation based on roughset theory to make the system automatically select segmentation algorithm in simple scenes. firstly, it selects some representative segmentation algorithms to make up of an algorithm library, which is used to process kinds of sample images ; secondly, it makes the decision informationtable utilizing diversified numerical features extracted from the sample images and the optimalsegmentation algorithm of each sample image according to segmentation quality evaluationcriterion ; finally, it applies rough set theory on discretization and attribution reduction of

    為了使系統在簡單場景下能夠通過自動選取分割演算法來提取目標,提出了一種基於粗糙集理論的圖像分割智能決策方法。首先選取若干具代表性的分割演算法構成演算法庫,並用它們對各種樣本圖像進行分割;然後利用從樣本圖像中提取出來的各種數值特徵,並根據圖像分割質量評價標準評判出各樣本圖像的最優分割演算法,用其構成決策信息表;最後應用粗糙集理論來對決策信息表進行離散化處理和屬性約簡,以生成圖像分割演算法選取的決策規則。
  19. Using the statistic characterization of data, the relevant knowledge reduction algorithm is put forward by combining the probability with classification rules ; using the characterization of fuzzy attributes, the decision system with subjection degree attribute is built by combing the rough set theory and fuzzy set theory, and the idea of distinguish matrix is induced to the concealed decision system to reduce data

    利用數據的統計特徵,將概率測度與分類規則結合起來,提出了相應的知識西北工業大學博士學位論文約減演算法;利用模糊屬性集合的特點,把粗糙集合與模糊集合有機結合起來,將粗糙集中分辨矩陣的思想引入到具有隸屬度屬性的隱式決策系統中進行數據約減。
  20. Attribute rough reduction in interval attribute valued decision systems

    區間屬性值決策系統屬性的粗糙約簡
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