clustering 中文意思是什麼

clustering 解釋
叢聚
  1. Beryllium powders with the same particle size and various contents of beo were prepared by pre - sintering - acid washing processes initiatively and the influence of beo alone on o mys of beryllium was observed and some new results have been obtained - compared with the content of beo, the distribution of beo in beryllium has more critical influence on mys ; finely dispersed beo along the grain boundaries and in the matrix results in the dispersion strengthening of beryllium matrix and thereby the higher mys value ; on the contrary, the coarser beo particles clustering on the grain boundaries results in negative influence on o mys

    開創性地用預燒結? ?酸洗工藝制備了相同粒度、不同beo含量的鈹粉,從而開展了beo含量單獨對鈹材_ ( mys )影響的研究,得出一些新的結果:與beo含量相比, beo在鈹中的分佈狀態對_ ( mys )的影響更大。沿晶界、晶內彌散分佈的較細小beo對基體鈹有彌散強化作用,使_ ( mys )即較高;如果beo較粗大地成簇狀聚集在晶界,反而對_ ( mys )有不良的影響。
  2. 4. an object detection method with em ( expectation maximum ) algorithm of dynamic layer representations is researched and improved. previous algorithm contains optical flow computation, affined transformation, and clustering algorithm, and it is not convenient for detecting object quickly

    4 .分析並改進了基於em ( expectationmaximum )演算法的運動目標分層檢測演算法,早期演算法由於涉及光流場求解、仿射變換、聚類合併等復雜運算,計算量大,不適合圖像序列的快速處理。
  3. Comprehensive cellular responses was found in human amnion fl cells following exposure to low concentration of mnng, such as the lowering of dna replication fidelity resulted from alteration of dna polymerase profile ; activation of a lot of transcription factors, such as api, creb, nf - kb etc ; clustering of egfr ( epidermal growth factor receptor ) and tnfr ( tumor necrosis factor receptor ) and activation of camp - pka - creb and jnk / sapk signal pathways

    我們發現,低劑量mnng處理后的人羊膜fl細胞有廣泛的細胞反應,並有多個信號轉導通路的激活和基因表達的改變。例如dna復制保真度下降, dna聚合酶譜發生改變,應用報告基因技術和底物磷酸化檢出技術證明細胞一系列轉錄因子如ap1 、 creb 、 nf b等被激活,細胞表面受體如表皮生長因子受體、腫瘤壞死因子受體發生聚簇,細胞信號轉導通路camp - pka - creb和jnk sapk被激活。
  4. The article explained the formation and development of the category study from philosophy and psychology, 4 points of view about perceptual classifying, classifying and clustering in methodology, connection between design solution and analogism

    論文從哲學和認知心理學的角度闡述了類別研究的形成與發展,以及關於人的知覺分類行為的四種觀點(規則觀、原型觀、樣例觀、理論觀) 、方法學上的分類與聚類、設計求解與類比推理的關系。
  5. Most grow best and form pycnidia earlier on ma, and pda is slightly not fitful for pycnidia growth of the kind of fungi. none of the species can produce ascocarps in 60 days. esterase isoenzymes of 12 strains of rhytismataceae were studied by polyacrylamide gel electrophoresis and clustering analysis of upgma and 12 strains were classified into 4 groups when correlation coefficient is 3. 1

    結果表明大多數種在ma平板上菌落營養生長最好,產生分生抱子器及分生抱子的時間較早、能力較強; oa也是可選擇的培養基之一:而p a較不適宜於該類菌物的營養生長和分生抱子器產生。
  6. And clustering analysis uses mathematics " method to study and deal with the classification of the given data and the degree of benignity and scattering between every two clusters. it ' s a tool to analyze data under no hypothesis

    聚類分析則是用數學方法研究和處理所給對象的分類以及各類之間的親疏程度,是在對數據不作任何假設的條件下進行分析的工具。
  7. This paper adopts an adaptive learning algorithm based on hierarchy clustering to update user profile, which continuously abstract the cancroids of one class of optimum information from the feedback flow of system, which effectively shield the learning process from plenty of feedback noises produced by distorted threshold and sparseness of initial information, which also can imitate artificial feedback approximately to perfect the intelligence of adaptive learning mechanism

    摘要本文採用一種基於層次聚類的自適應學習策略,從系統反饋的信息流中,動態提取一類最優信息的質心更新用戶模型,有效屏蔽了閾值失真和初始信息稀疏造成的大量反饋噪聲,並且能夠近似模仿人工反饋,完善自適應學習機制的智能性。
  8. In accordance with the problem that the fcm algorithm is quite time - consuming for search out cluster cancroids and may not be suitable for on - line modeling and control. this dissertation proposed an improved fuzzy identification method based multistage random sampling fuzzy c - means clustering algorithm ( mrfcm ). it has higher approximate precision and the cpu time has slowed down sharply compared with the common fuzzy

    Johnyen和liangwang介紹了幾種應用於模糊模型的信息優化準則,本論文在此基礎上對統計信息準則進行一些改進,並與快速模糊聚類和正交最小二乘方法結合,提高了模型的辨識精度和泛化能力。
  9. The thesis discuss the data mining principle and technology from application and the fact of guizhou telecom. by uniting the designing and developing processes, the system cleanout, change, loading the volume custom operation data into the data warehouse that used many analyst methods such as clustering analyst, forecast analyst to make the function of subdividing custom colony and running and improved the competition core ability of enterprise

    同時,針對貴州電信海量的客戶運營數據,經過清洗、轉換、整合到數據倉庫中,採用了多種分析方法,如聚類分析、預測分析,實現了客戶群細分、客戶流失預測等功能,極大的提高了貴州電信核心競爭力。
  10. Secondly, the thesis bring ups to make use of mathematics clustering analysis method, combine with analysis the accident occur rate of each occupation ( business enterprise ), the death rate of employment injury, the severely wounded rate of employment injury, the slight wound rate of employment injury, the death rate of occupational disease, the occur rate of occupational disease and the circumstance of employment injury overhead and so on, to classify the risk grades of occupation ( enterprise ). according to the clustering consequence, the grade differential rate of the

    其次,論文運用數學聚類分析方法,結合各行業(企業)的事故發生率、工傷死亡率、工傷重傷率、工傷輕傷率、職業病死亡率、職業病病傷率以及工傷費用支出情況等指標進行行業(企業)風險等級分類。根據分類結果,合理確定各行業風險等級差別費率。再次,論文通過對國內外現行工傷保險費率浮動方法的研究,提出了結合企業千人死亡率、千人重傷率、千人輕傷率和支收率指標來確定企業費率浮動的方法。
  11. And then, some common methods of gdm, such as the ahp method, the weighted geometric mean method ( wgmm ), the borda - kendall method, the minimum variance ( mv ) method, the clustering analytic method, the cook - seiford distance measure, cb measure, the maximum and the minimum expected values, the concordance and discordance indices, etc., are used to discuss some consensus problems of gdm, including the consistency of the complex judgment matrix in ahp, the consensus methods of the aggregation of individual preferences ; the aggregation of analytic hierarchy process methods based on similarities in decision makers " preferences, a consensus measure on multiple criteria group decision making

    接著本文採用了群體決策中常用的一些方法(如: ahp法,加權幾何平均法, borda - kendall方法,最小方差法,聚類分析法, cook - seiford距離測度法, c _ b測度法,最大最小期望值法,一致性非一致性指標法等)對群體決策中的幾個一致性問題進行了研究,這些問題包括: ahp中復合判斷矩陣的一致性,個體偏好序集結的一致化方法,基於決策者偏好相似性的層次分析模型的集結中的一致性問題和多準則群體決策的一致性測度。
  12. Clustering analyse is a method of data disposing and include hard clustering, fuzzy clustering and feasibility clustering. the operation speed of hard clustering is higher, but it dissevers the relations of samples. fuzzy clustering overcome it, but there is local best the thesis brings up a improved method to overcome it by combining hard clustering and fuzzy clustering

    針對聚類分析中的硬聚類方法、模糊聚類方法和可能性聚類方法,硬聚類方法速度快,但割裂了樣本之間的聯系;模糊聚類克服了這一缺陷,但存在局部最優,為此將硬聚類和模糊相結合,提出一種新的聚類分析方法。
  13. Based on the careful analysis of present clustering algorithm, we give two text clustering algorithms : ek ( exact k - means algorithm ) and dbtc ( density - based text clustering ), and discuss the results of clustering experiments

    對現有聚類演算法進行了仔細分析,給出了兩個文本聚類演算法: ek演算法和dbtc演算法。對這兩種演算法進行了詳細介紹,並分析了聚類實驗的結果。
  14. For example, we have found the clustering of egfr ( epidermic growth factor receptor ) and tnfr ( tumor necrosis factor receptor ) and the activation of camp - pka - creb and jnk / sapk pathways after mnng treatment

    例如細胞表面受體如表皮生長因子受體、腫瘤壞死因子受體發生聚簇,細胞信號轉導通路camp kacgyb和jnk sapk被激活。
  15. Considering that the enterprise cannot research the " customer - enterprise " value deeply, on the basis of that, the paper puts forward evaluating system of customer value in the enterprise according to value contribution, applies ahp to analyze weight of the indexes in consultation with marketing management and selling personnel of the enterprise and relevant experts and then exert clustering analysis and sas software to classify the customers according to the current value and potential value, provide the strategies of the customer classification management. in addition, any resource is exiguity, including economical resource. this paper defines economical resource, puts forward the model of optimum distributing resource and utilizes the method of linear regress equation to get result, which to grope for a new method about calculating marketing expenditure

    本文首先界定了客戶和客戶價值的含義,同時闡述了關系營銷中客戶價值的理論以及客戶價值的影響因素,針對目前「客戶?企業」價值的研究還不成熟的研究現狀,以及現實中還沒有定量分析客戶價值大小的方法,本文提出了一套具有可操作性的客戶價值評價的指標體系,對客戶可以進行比較全面的、多角度的評價,同時採用ahp法對這個評價體系中的各指標因子賦以合理的權重,然後運用聚類分析法和sas統計軟體對客戶群進行了科學地細分,在此基礎上幫助企業制定出不同細分客戶群組的營銷策略;除此之外,考慮到目前企業對于營銷資源的合理分配問題還沒有進行過深入地討論,本著企業經營的根本目的是盈利的原則,論文結合經濟學原理以及計量經濟學中的多元線性回歸分析提出了實現利潤最大化的營銷資源配置的優化模型,旨在探索一種銷售費用最優配置的方法。
  16. The experimental results show that the method can not only detect the fuzzy edge and exiguous edge correctly, but also improve the searching efficiency of fuzzy clustering algorithm based on tea evidently

    實驗結果表明,該演算法不僅具有很強的模糊邊緣和微細邊緣檢測能力,而且可以提高基於人工免疫進化演算法的模糊聚類演算法的搜索效率。
  17. Firstly the patterns of the multifingered hands are detailed, eight patterns are defined. the classical bayes method is used in the classification of pre - grasp of multiple fingers based on three patterns which are grasping, holding and pinching. based on the eight pre - grasp patterns, bp neural network is applied in the classification of the pre - grasp of multifingered hands and gets a good effect. the method solves the shortcoming input sample relying on the propobility density and simplified the un - insititution characters extraction. in this paper, support vector machine ( svm ) and binary - tree with clustering is applied in the classification. this method can solve the slow speed and effect with fewness sample in the classification, achieving a good effect. in this papper, we extract the characters of the regulation object with geometry characters and extact the unregulation object with the image analysis

    此法解決了輸入樣本依賴物體的概率密度的特點,簡化了分類特徵提取的不直觀性。本文還採用了支持向量機( svm )和聚類二叉樹相結合的方法對機器人手預抓取八類模式進行分類,解決了預抓取模式分類訓練速度過慢以及在分類中樣本數量偏少而影響分類效果的問題,得到了較高的正確率。本文對預抓取幾何形狀規則的物體採用直接提取其幾何特徵,對于預抓取幾何形狀不規則的物體採用圖像分析的方法進行特徵提取。
  18. He says this has temporarily satisfied a few users who needed clustering immediately until the final solution is in place

    他說,在最終解決方案就位之前,這可以暫時滿足少數急需集群功能的用戶。
  19. Last, combining the three diversity indexes and the five chemical indexes, the major constitution component analysis and the clustering analysis were applied to make the evaluation of the water quality. at the same time, the nutrition type and the black and foetid rate were evaluated

    最後,結合三項多樣性指數和五項化學指標,運用主成分分析和聚類分析評價內河的水質,並對內河進行營養型和黑臭率評價。
  20. As concerned as multiple elements relativity, the concept of variable group and variable group formicate are put forward. of course, the paper gives the fuzzy cluster arithmetic principle, process and clustering chart

    在此過程中介紹了利用模糊聚類的有關演算法原理和計算步驟,並給出了模糊聚類分析圖,以及變量組和變量組集的概念。
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