cluster number 中文意思是什麼

cluster number 解釋
簇號
  • cluster : n 1 叢集；叢；（葡萄等的）串，掛；（花）團；（秧）蔸；組。2 （蜂、人等的）叢，群，群集。3 【物理...
  • number : n 1 數；數字；〈pl 〉算術。2 （汽車等的）號碼；第…，第…卷，第…期〈通常略作 No （復數 Nos ），用於...
  1. Such early thinning reduces the supply of gibberellins by reducing the number of seeds per cluster of fruit.

    這種早期疏果方式可減少每一果叢的種子數目，從而使赤霉素供應減少。
  2. Second, the current routing protocols of wireless sensor network are analyzed, aiming at the disadvantage that the protocols have high power dissipation and short lifetime. based on the leach routing protocol, we improve the leach routing protocol, and then name the advanced routing protocol leach new, in which we improve cluster head selection algorithm and optimal cluster number determination of leach respectively

    並重點對現有的無線傳感器網路路由協議進行了分析研究，針對這些協議存在的整體能耗高、網路生命周期短等缺點，在leach路由協議基礎上，對leach路由協議進行了改進，我們把改進后的路由協議稱為leachnew 。
  3. 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
  4. Abstract : according to the theory of difference analysis, this paper proposed using mixed - f statistic to determine the optimal class number of fuzzy cluster, and using fuzzy partition entropy to verify whether the class number is optimal, the optimal class number can be determined by the two statistics mentioned above correctly

    文摘:根據方差分析理論，提出應用混合f統計量來確定最佳分類數，並應用模糊劃分熵來驗證最佳分類數的正確性，綜合運用上述兩個指標可以準確確定最佳聚類數。
  5. 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。
  6. There are also different in inducing cluster buds from callus of clone gingkgo and its other tissues and organs, some callus can induce cluster buds, but others can not. differentiation rate from the callus of cotyledon can be up to 36 % and the number of cluster buds is positive related to the times of subculturing

    但是不同器官誘導的愈傷組織對于叢生芽的誘導也是不同的，子葉誘導的愈傷組織的分化率較高，有36左右，並且繼代次數的增加也能夠增加分化的幾率
  7. As the number of cluster nodes increases, the heartbeat messages become a heavy burden for cluster network

    隨著集群規模的擴大，集群的心跳信息將給集群網路帶來很大的負載。
  8. When they come to how to confirm the cluster number, they either give no answer, or enumerate it

    至於聚類數的確定問題，要麼未給出答案，要麼使用窮舉法。
  9. 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。
  10. The premise to assure qos is to provide sufficient resource to meet demands. we come up with a method to partition the resources of web cluster for each class with its resource demand and priority requirement taken for granted, where system processing time or average access rates is summed up for each class periodically and resource demands is evaluated with stretch factor as performance metric. also the nodes marked in number will be orderly assigned to the classes ordered in priorities, which helps to maintain data locality and improves memory cache hits

    資源滿足需求是實現服務質量保證的前提，為滿足業務類動態的資源需求，我們提出一種支持業務類優先級和資源需求的資源劃分方法，通過按周期對業務類請求處理時間或平均訪問率進行統計，以響應擴展因子為質量指標對業務類預期的資源需求作出評估，採取按主機編號有序地分配給按優先級排序的業務類，減少業務類資源變動和提高主存cache命中率。
  11. Streptomyces low copy number plasmid scp2 * is also employed for the cloning and recovery of large dna fragment from streptomyces. as scp2 * can accommodate large dna insertions and is efficiently transmissible among its permissive hosts such as s. lividansbut seemed to be unable to replicates in streptomyces sp. fr - 008, it might be a suitable vector for the cloning of the entire fr - 008 pks gene cluster through gene replacement followed by conjugation with 5

    Scp2 *可以在變鉛青鏈黴菌等許可宿主內復制並在許可宿主間有效轉移，但似乎不能夠在鏈黴菌fr - 008中復制，因此可能適合於在鏈黴菌fr - 008中通過進行基因置換及隨后的鏈黴菌fr - 008和變鉛青鏈黴菌間的接合過程來克隆完整的fr - 008生物合成基因簇。
  12. The particles aggregation was simulated using particle - cluster and cluster - cluster aggregation model. several type of floes was reached and its morphological characteristics was analyzed the fractal dimension, density and porosity of floes was studied by changing sticking probabilities, sticking position, particle number, particle concentration, difrusion coefficient and motion trajectory. the parameters by which special floes growth were determined. in the study of morphology, floes of yellow river ' s loess particles was observed by tv - microscope. its morphological characteristics were obtained by image analysis. the effect of fractal dimensions by stirring time strring speed, macromolecule flocculant dosage, flocculant concentration and particle concentration was studie. its rule of change was obtained. on the basis of other studies, the flocculation kinetics and floes structure was studied

    本文應用計算機模擬技術，在二維空間內採用單體凝聚和集團? ?集團凝聚兩種模型對顆粒凝聚過程進行了模擬，得到了多種形態的絮體，並對絮體進行了形態分析，通過改變粘附概率、粘附位置、顆粒數量、顆粒濃度、擴散系數和運動路徑等模擬參數，我們考察了絮體分形維數、密度和孔隙率隨模擬條件變化的影響規律，得到了形成特定形態絮體的控制參數。
  13. This paper is carrying out based on the chemical materials of huanhe group of cretaceous system of erdos basin, carrying on relativity analysis about tds and three major anion percentage of meq ( milligram equivalent ), taking cluster analyses on tds and the three anion percentage of meq, the trend analysis of the percentage of the number of fresh water and the total water with the increases of anion percentage of meq, classifies the new index, divide the groundwater into three kinds according to percentage of meq of three major anion finally defining new groundwater water chemistry : definitely bicarbonate type, relativity bicarbonate type and non - bicarbonate types, point out that the possibilities of fresh water reduce in proper order of these kinds

    鄂爾多斯地下水勘查是國家重大的地質調查項目，在地下水水化學研究的幾次大型討論會議上，專家們一致認識到，能不能利用鄂爾多斯盆地地下水勘查項目中的大量地下水水質分析資料，探索出一種新的水化學類型劃分方法，對舒卡列夫分類中的25毫克當量百分數的分類界限加以重新考慮，而找出一個與淡水密切相關的x作為分類界限。本文就是以鄂爾多斯自流水盆地白堊系保安群環河組地下水水化學資料為基礎而開展相關研究的。
  14. By studing the relationship of overheating temperature, overheating time and solution stability, the result shows overheating can decrease the number of molecule cluster and the probability of nucleation in the solution

    研究了不同過熱時間、過熱溫度對溶液穩定性的影響，說明過熱能夠降低溶液中離子簇的數量，能夠降低溶液成核結晶概率。
  15. But, in this aspect, many content work has been done, so the paper will choose a right clustering rule based on the work of them, in order to confirm cluster number directly under no assumptions

    但是，在此方面，人們已經做了很多有意義的工作，所以本文將在前人的基礎上選擇一個恰當的聚類準則函數，以便在無任何假設條件的前提下比較簡單地直接確定聚類數。
  16. So the current question is whether we can confirm the cluster number directly, not using any assumptions

    因此現在的問題是我們能否比較方便地直接確定聚類數，而不需任何假設。
  17. When the a system routes a message it processes the point code ? ottom up ? member number, cluster number, network id

    系統路由消息時會按照成員號、群集號和網路id的順序自底向上地處理點編碼。
  18. As for fuzzy c - means clustering algorithm, we introduced the concept of validity function to solve problems about partial optimization and how to decide the cluster number. third, we borrowed the software of matlab and spss and did experiment on a set of data. the experiment showed that the matlab program was simple and the speed was quick so that it could be applied in large number of data

    在模糊c均值聚類演算法中引入了有效性函數的概念，從而部分克服了模糊c均值聚類演算法局部最優和無法確定聚類的類數的問題；其次，藉助matlab和spss軟體，以一組數據為案例，利用matlab編程，給出實驗示例。
  19. To solve the problems of adaptive determinition of the cluster number, flexible objective function definition and approximate optimal computation in clustering analysis, a ga - based divisive hierarchical clustering algorithm ( gadhc ) was proposed, which integrated some features of divisive hierarchical clustering algorithm and binary genetic clustering algorithm

    摘要針對聚類中自適應確定聚類個數、目標函數靈活定義及優化的近似計算等問題，綜合了分裂式層次化聚類演算法能根據相似度閾值自適應地確定聚類個數的特點及二進制遺傳聚類演算法具有較強的搜索近似最優解能力及目標函數定義靈活的特點，提出了一種基於遺傳演算法的分裂式層次化聚類方法。
  20. The number of fuzzy cluster neuron is equal to the fuzzy cluster number, and the neuron output is one element of the membership matrix. 4. use hybrid fuzzy neural network modeling method and recipe fuzzy cluster method, a robust method to recipe - changing was presented. a multi - continuous parameters and one - recipe to one - output fuzzy neural network was designed to model the fouling in batch process

    浙江大學博士學位論文4 、針對間歇過程中使用模糊神經網路建模和測量對于配方變化較為敏感的問題，使用配方模糊聚類方法和混合模糊神經網路建模方法，設計了一個由多個連續型操作參數輸入和1個離散型配方變量輸入的配方混合模糊神經網路，用於污垢的建模和預測。
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