類中心聚類 的英文怎麼說

中文拼音 [lèizhōngxīnjùlèi]
類中心聚類 英文
k-means cluster
  • 類 : Ⅰ名1 （許多相似或相同的事物的綜合; 種類） class; category; kind; type 2 （姓氏） a surname Ⅱ動詞...
  • 聚 : 動詞（聚集; 聚積） assemble; gather; get together
  1. 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。
  2. 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。
  3. The three kinds of simulated point targets are designed and the rangeprofiles at aspect angle are computed. the radar target recognition method based on the optimal cluster centers is simulated and studied. it is discovered that the algorithm is effective when there are lots of training data, but noneffective when there are only a few training data

    2 、對最優聚類中心目標識別法進行模擬實驗並研究其識別性能，實驗結果表明該演算法在大樣本訓練數據時能得到較高識別率，是一種有效、可行的識別演算法，但在少樣本訓練數據時，所得識別率急劇下降。
  4. In the third part, it works over the functions of the cities in shantou economy region, in both determining the nature and rational. the former in major relate the objection in state of cities in shantou using both the dual - nucleus structure and the central theory ; the latter elicits the differentiate in cities functions in shantou region using divide the work inside one tract, through fix quantify stat of clustering analysis

    論文從定性和定量兩個方面進行討論：定性部分主要用雙核結構理論和中心地理論論述汕頭經濟區城市職能配置的主要缺陷；定量部分採用勞動地域分工理論進行定量統計，聚類分析，得出汕頭經濟區職能（產業集群）的地區分異。
  5. A novel dynamic evolutionary clustering algorithm ( deca ) is proposed in this paper to overcome the shortcomings of fuzzy modeling method based on general clustering algorithms that fuzzy rule number should be determined beforehand. deca searches for the optimal cluster number by using the improved genetic techniques to optimize string lengths of chromosomes ; at the same time, the convergence of clustering center parameters is expedited with the help of fuzzy c - means ( fcm ) algorithm. moreover, by introducing memory function and vaccine inoculation mechanism of immune system, at the same time, deca can converge to the optimal solution rapidly and stably. the proper fuzzy rule number and exact premise parameters are obtained simultaneously when using this efficient deca to identify fuzzy models. the effectiveness of the proposed fuzzy modeling method based on deca is demonstrated by simulation examples, and the accurate non - linear fuzzy models can be obtained when the method is applied to the thermal processes

    針對模糊聚類演算法不適應復雜環境的問題，提出了一種新的動態進化聚類演算法，克服了傳統模糊聚類建模演算法須事先確定規則數的缺陷.通過改進的遺傳策略來優化染色體長度，實現對聚類個數進行全局尋優;利用fcm演算法加快聚類中心參數的收斂;並引入免疫系統的記憶功能和疫苗接種機理，使演算法能快速穩定地收斂到最優解.利用這種高效的動態聚類演算法辨識模糊模型，可同時得到合適的模糊規則數和準確的前提參數，將其應用於控制過程可獲得高精度的非線性模糊模型
  6. In this text, we first do some research on the genetic algorithm about clustering, discuss about the way of coding and the construction of fitness function, analyze the influence that different genetic manipulation do to the effect of cluster algorithm. then analyze and research on the way that select the initial value in the k - means algorithm, we propose a mix clustering algorithm to improve the k - means algorithm by using genetic algorithm. first we use k - learning genetic algorithm to identify the number of the clusters, then use the clustering result of the genetic clustering algorithm as the initial cluster center of k - means clustering. these two steps are finished based on small database which equably sampling from the whole database, now we have known the number of the clusters and initial cluster center, finally we use k - means algorithm to finish the clustering on the whole database. because genetic algorithm search for the best solution by simulating the process of evolution, the most distinct trait of the algorithm is connotative parallelism and the ability to take advantage of the global information, so the algorithm take on strong steadiness, avoid getting into the local

    本文首先對聚類分析的遺傳演算法進行了研究，討論了聚類問題的編碼方式和適應度函數的構造方案與計算方法，分析了不同遺傳操作對聚類演算法的性能和聚類效果的影響意義。然後對k - means演算法中初值的選取方法進行了分析和研究，提出了一種基於遺傳演算法的k - means聚類改進（混合聚類演算法） ，在基於均勻采樣的小樣本集上用k值學習遺傳演算法確定聚類數k ，用遺傳聚類演算法的聚類結果作為k - means聚類的初始聚類中心，最後在已知初始聚類數和初始聚類中心的情況下用k - means演算法對完整數據集進行聚類。由於遺傳演算法是一種通過模擬自然進化過程搜索最優解的方法，其顯著特點是隱含并行性和對全局信息的有效利用的能力，所以新的改進演算法具有較強的穩健性，可避免陷入局部最優，大大提高聚類效果。
  7. The fanling centre provides environmental information for the general public in the new territories north, and is a focal point of environmental education

    粉嶺環境資源中心為新界北區的居民提供環境資訊，是供該區學校及社團參與的各類環境教育活動的?聚點。
  8. In connection with the difference and distribution characteristic of the samples in sample space rs based on dga, a new self - adapted weight fuzzy omean clustering model of fault diagnosis of the power transformer based on the potential function is proposed. meanwhile, from the aspect of geometry characteristic of fc - divided in s dimension sample space, a method is proposed for the purpose of getting an effective adjacent radius, adaptive cluster number c and original cluster center of x sample set. for the diagnosis sample x, the property measure and diagnosis rule are proposed, which under the condition of potential density function that determine c number of optimal fuzzy cluster p1

    根據以變壓器dga數據為特徵量的樣本空間各樣本差異特性以及樣本在空間r ~ s的分佈特性，首次提出了基於勢函數自適應加權的變壓器絕緣故障診斷的模糊c -均值聚類模型；同時，從s維樣本空間的f ~ c -劃分幾何特性出發，提出了一種求取樣本集的類勢有效鄰域半徑和自適應求取聚類數和聚類中心初值的方法；對一個待診斷樣本，設計了基於類勢密度函數意義下的屬性測度和診斷準則。
  9. Be aimed at the characters of fluvial layered pool, such as serious intrastratal and interlayer heterogeneity, small water flooding volume and low oil displacement efficiency in its high water - cut stage, the fine research work on reservoir heterogeneity model are carried out, and the research is done on the base of geological, logging, production testing materials and production date and with a center of the research of remaining oil. the west 7th block, gudong oilfield is in case. the forming mechanisms of remaining oil and its distributing feature in this area are revealed

    本文針對我國陸相沉積層狀油藏層內及層間儲層非均質性嚴重、高含水期水驅波及體積小、驅油效率低等特點，以剩餘油研究為中心，藉助于數學地質統計及聚類分析等方法，綜合利用孤東七區西的地質、測井、生產測試資料和生產動態信息等，深入開展了儲層非均質模型的精細研究，揭示了在不同規模非均質模型上剩餘油的形成機理和分佈特徵。
  10. The catalytic activity of ( hmbp ) 2ticl2was lower than - diketonate titanium catalysts. the catalytic activity of dinuclear - diketonate titanium catalysts was comparative to mononuclear ones. however, the dinuclear - diketonate titanium catalyst showed the synergism effect, for example, the lower catalyst concentration and the molar ratio of al to ti, the activity reached the maximum value at 80, the melting temperature of polymer was enhanced

    2 -羥基苯酮鈦[ （ hmbp ） _ 2ticl _ 2 ]的催化活性低於-二酮鈦類催化劑；雙核催化劑在催化活性方面與對應單核催化劑相差不多，但在聚合規律上表現出與單核催化劑不同的雙核協同作用，如聚合所需的催化劑濃度、助催化劑甲基鋁氧烷mao量降低，活性在80時出現極值，熔點提高等，而且雙核催化劑是單活性中心催化劑。
  11. The paper puts forward the clustering algorithm includes : clustering based on grid and iterative, enhanced clustering algorithm base on density and k - medoids, enhanced k - means algorithm ( optimize chooseing consult _ points in iterative process ), enhanced clustering algorithm base on distance. they can overcome many limitations ( some traditional algorithms terminate in local optimization. many results of cluster are roundness, too many times in partition iterative process ), which are related to the static architecture of traditional model

    在傳統聚類演算法的基礎上，結合我們科學數據挖掘的應用對象?分子動力學數據，提出了迭代網格聚類演算法， k -平均和基於密度結合的聚類演算法，迭代過程中優化選擇中心點的k -平均方法，以及改進型的基於距離的聚類演算法等模式識別方法，能夠解決傳統演算法帶來的諸多問題（比如一些傳統的聚類演算法常常收斂于局部最優，發現都模式都趨近於球形，劃分方法中迭代次數過多帶來的效率問題） 。
  12. After clustering of the documents, in the process of retrieval, we make a comparison between the retrieval words the users point out and cluster center of the documents, and as a result, achieve a cluster that is most similar to retrieval words. through the calculation of both the selected documents and those retrieval words, thence the retrieval range will be reduced, the efficiency of retrieval be increased, and the retrieval deviation be overcome to a certain extent

    對文檔進行了聚類，在檢索的期間，對用戶提出的檢索詞先進行和每一類的類心比較，得到與之最近的類別，僅將屬于該類別中的文檔與用戶提出的檢索詞進行運算，從而縮小了檢索的范圍，提高了檢索的效率，也在一定程度上克服了檢索結果的偏差。
  13. Better segmentation effect can be attained by coding gray levels of pixels as eigenvector, taking advantage of histogram entropy principles function as fitness function, adopting ranking selection operation, making use of arithmetic crossover and mutation at a certain probability, combining with clustering analysis to initialize clustering center of the population to segment cells image with genetic algorithm

    以像素的灰度值為特徵向量進行編碼，利用直方圖熵法準則函數作為適應度函數，採用基於排名的選擇操作，以一定的概率進行算術交叉和變異，並結合聚類分析設定種群的聚類中心對細胞圖像進行遺傳聚類分割。
  14. There are a dozen of restaurants along yuen long main road, yau sun street and kau yuk road serving a wide range of food from won - ton noodles, traditional chinese cakes, specialty desserts, japanese food, portuguese barbecue, indian curry dishes and western steaks, etc. the traditional village basin food featuring assorted dishes in one big basin is definitely worth trying

    說元朗是一個匯聚國際美食的地方一點也不誇張，單是元朗市中心幾條街道?大馬路、又新街、教育路等，已有數十間食肆。由巧手雲吞面、風味老婆餅、馳名涼粉甜品、日式料理、葡國燒烤、印度咖喱、西餐扒類樣樣齊備。
  15. Cf is a kind of non - different recommendation to all customers, so it is may appear that the company spend much cost but have little revenue. recently a new recommend technology base on lifetime value of customers have emerged, the centre of the technology is to use the weighed sum of the three variable to classify the customers and the reason of use weighed variable is that think about the relative important degree. then we can recommend products according to the association rule in the classify of same clv. the shortcoming of this recommendation is that the recommendation may have some error when the customers ’ data is not enough to form regular value

    近年來出現了一種採用基於客戶生命周期值的加權rfm （表示客戶生命周期的三個指標變量）技術的推薦方法，這一技術的核心思想就是採用這三個客戶屬性變量的加權和的方法來對客戶進行聚類，其中為變量加權是考慮到不同變量對顧客產生的不同重要程度的影響。對符合某一生命周期類型的客戶按照商品挖掘關聯技術進行商品推薦。這種推薦方法的弊端在於當客戶的交易數據不足以形成規律化的量值時，推薦可能會出現偏差。
  16. With the swot analysis method, the article deeply analyzed the foundation of strategy capability of the company by associating with the analyses of outer environments and inner conditions to provide the ideas and evidences for the establishment of strategy planning program on the basis of analyses in both theory and practice, in accordance with the established strategy factors and selected general strategy methods, the article made out the strategy planning program and strategy target of the company and pointed out various subsystems of strategy planning programs such as the products strategy plan, market strategy plan, finance strategy plan, manpower resource plan, organization & administration development plan, technology development plan and technology transformation plan etc finally the article applied life cycle method and economic evaluation method to evaluate and analyze the strategy planning program stated in this article so as to guarantee that the research conclusions are scientific and practicable

    再次，對株航公司的戰略資源和能力進行了系統的分析和閘述，綜合了中、小發基地建設已有的基礎，結合行業現狀明確了株航公司的核心能力，並運用swot分析方法，綜合企業外部環境分析和內部條件分析，深入分析了株航公司的戰略能力基礎，為制定戰略規劃方案提供了思路和依據。在對理論和實際進行研究分析的基礎上，運用戰略聚類模型分析方法，按照戰略制定要素並結合總體戰略選擇方法，擬定了株航公司的戰略規劃方案和戰略目標，並提出了產品開發戰略規劃、市場戰略規劃、財務戰略規劃、人類資源規劃、組織與管理發展規劃、技術發展規劃、技術改造發展規劃、等各子系統的戰略規劃方案。最後，綜合運用生命周期法和經濟效果評價等研究方法對本戰略規劃進行了評估分析，保證了研究結論的科學性和實用性。
  17. The partly gas stratum produce the water in the past logging interpretation method ca n ' t distinguish them easily. according to the logging and brothel logging shows and testing results, this thesis will utilize the cross - plot analysis technology to look for the qualification and quantity index of the containing water and gas by mutual comparison, triumphantly discern the containing gas and water quality in the store stratum ; using b - p network can recognize the reservoir ; the utilize the fuzzy cluster analysis technology to cluster analyze separately the water well section and water quality well in the store stratum, settle the type datum and central type distinctly and analyze fluidity ' s material quality and diversity in all models and others store stratum, triumphantly distinguish the diversity of the containing water and gas

    本次論文以鉆井錄井顯示和測試結果為依據，利用交會圖分析技術，相互對比尋找出區分含水與含氣的定性與定量指標，成功地對儲層含氣、水性質進行了識別；利用bp網路分析識別儲層類型，利用模糊聚類分析技術，將測試產水井段與產水井段數據分別作聚類分析，確定出各自的類數和類中心，建立起聚類模型，將所建模型對其它儲層段進行含流體性質及差異分析，成功地對含氣性差異進行了判別。
  18. Nickel - based catalysts possess high catalytic activity for olefin polymerization, with single active center and wonderful molecular tailoring properties

    這類催化劑具有高催化活性、單活性中心和良好的分子剪裁性，可以在分子層次上實現烯烴聚合的分子設計與組裝。
  19. It ’ s core spirit is transforming badly - conditioned matrixes to well - conditioned matrixes, then accurate recognition results are obtained. it inherits advantage of the recognition method based on the optimal cluster centers

    該演算法在少樣本訓練數據時能得到較高識別率，同時具有最優聚類中心法的優點，在大樣本訓練數據時仍有較高識別率。
  20. Pattern recognition with fuzzy central clustering algorithms

    模糊中心聚類的模式識別學習方法
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