nearest neighbor method 中文意思是什麼

nearest neighbor method 解釋
毗鄰法,最近鄰法,最小樣方面積
  • nearest : ad. 最近的，最親近的
  • neighbor : n 1 鄰人 鄰居；鄰近的人；鄰國（人）。2 鄰座（的人）；鄰接的東西。3 同胞；世人。4 （對任何不知姓名...
  • method : n 1 方法，方式；順序。2 （思想、言談上的）條理，規律，秩序。3 【生物學】分類法。4 〈M 〉【戲劇】...
  1. A variety of methods including the tabular comparison of data, the tabular comparison of similarity coefficient, the nearest neighbor method and the group - average method of hierarchical agglomerative classification were applied to investigate the forest communities in meizi lake area

    森林植被樣地中以喬木層樹種的重要值為指標，採用紙條排隊法、群落相似系數分類法、最近鄰體法、組平均法對梅子湖森林植被樣地進行數量分類。
  2. Abstract : considering the second nearest - neighbor interaction and cubic, quartic anharmonic interactions simultaneously, we employ the multiple scales method combined with a quasidiscreteness approximation to calculate the lattice vibration. it is shown that the kind of nonlinear chain exhibits envelope soliton, envelope kink and envelope antikink soliton. these results can also be used to explain the experimental phenomena that the kink amplitude of the self - localized structure is determined only by the intrinsic properties of its lattices

    文摘:同時考慮次近鄰諧振相互作用和三次方、四次方非諧相互作用，利用多重尺度結合準離散近似方法去計算晶格振動行為，發現一維非線性點陣中存在包絡孤子及正扭結型包絡孤子、反扭結型包絡孤子，解釋了自局域結構的幅度只取決于點陣中的固有參數的實驗現象
  3. The nearest neighbors of each individual and the distances between each individual - neighbor pair in elaeagnus mollis communities were obtained by using the nearest neighbor ' s analysis. based on the primary results above, the spatial pattern and interspecific segregation in the communities were studied by x2 test with a subtable method of a n n nearest - neighbor contingency table

    應用最近鄰體法判定每個個體的最近鄰體植株，得到每個基株-最近鄰體種對的距離，進而採用n n最近鄰體列聯表的截表法，研究了翅果油數群落的種間分離。
  4. Abstract : the effect of correction of self - consistent potential on electronic structure in simple cubic nanocrystal particles is calculated by means of the green ' s function method in the tight - binding approximation, taking only the nearest neighbor matrix elements into account. the numerical results show that the electronic energy spectrum is shifted, the chemical potential is not equal to the atomic energy level, the electronic density at each lattice point is changed, and the variation of electronic density at surface lattice point is the largest

    文摘:在緊束縛近似下，只計及最近鄰的矩陣元，採用格林函數計算了自洽勢修正對簡立方納米晶體顆粒的電子結構的影響，發現電子能譜發生了移動，化學勢不等於格點原子能級，各格點的電子密度也發生了變化，其中以表面格點的電子密度變化最大。
  5. In this thesis, the method of similar estimation ( the nearest neighbor ) is applied to classify the feature character

    在特徵字的分類過程中，採用了相似形度量（最近鄰法）的方法。
  6. Thirdly, the new method and nearest - neighbor method, single linear interpolation, bilinear interpolation were coded by vc + +, and a mfc application, bmpinterpolation, was achieved. many kinds of examples were tested using bmpinterpolation, including single color images and true color images ( 24bits ), photos and images after 3d rendering by 3dmax. the comparison between new method and the others indicates that the new method can not only get higher quality of images but also match the requirement of procedure speed

    用該程序可以實現了對單幅位圖文件的讀取和插值放大，通過單色和彩色圖像、照片圖像、三維渲染圖像等放大處理算例的檢驗，說明了本文的方法和程序是成功有效的，新演算法明顯優于幾種簡單插值放大方法的輪廓清晰度，且具有很好的快速性，兼顧了自動立體鏡三維顯示的快速性和清晰度要求。
  7. Time delay was chosen by using autocorrelation function method and mutual information method, while reconstruct dimension was obtained by g - p saturation correlation dimension method and false nearest neighbor percentage method. furthermore, initial neighborhood radius was computed by the estimated noise level based on the g - p saturation correlation dimension method. secondly, a noise reduction of the inflow time series was carried out by chaotic nonlinear local projection noise reduction method, and the effects on noise to chaotic characteristics and state reconstruction parameters were discussed

    採用g - p關聯維法計算關聯維數； rosenstein法和kantz法計算最大lyapunov指數；重構相空間的延遲時間採用了自相關函數法和互信息量法；嵌入維數採用了飽和關聯維法和偽鄰近點法；初始領域半徑的選取採用了基於g - p關聯維法的噪聲水平的初始估計方法。
  8. It discusses three kinds of chinese text caegorizahon methods like bayes method, k nearest neighbor ( knn ) and support vector machines ( svm )

    較全面地討論了貝葉斯方法、 k近鄰方法和支持向量機等三種中文文本分類方法。
  9. When the discount coefficient is 1 and all weights of the nearest neighbor sample points are the same, the k - nn classification method based on evidence reasoning model will become the k - nn classification method based on evidence theory

    並且當折扣系數為1 ，且給定所有最近鄰樣本點權重相等時，基於證據推理模型的k - nn分類方法就成為基於證據理論的k - nn分類方法。
  10. Data mining is defined as the nontrivial extraction of implicit, previously unknown, and potentially useful information from data or known as knowledge - discovery in databases ( kdd ). to do this, data mining uses computational techniques from statistics, machine learning and pattern recognition such as discriminate analysis, regression method, mathematical programming, decision tree, k - nearest neighbor, artificial neural network etc. although many positive attempts are done, the development and application of personal credit assessment model in chinese bank industry is still in its infancy

    數據挖掘是20世紀90年代後期人工智慧和數據庫領域興起的一種數據處理和知識發現（ kdd ）理論，是從大量的、不完全的、有噪聲的、模糊的和隨機的實際應用數據中，提取隱含在其中的信息和知識的過程。對數據進行分類和預測是數據挖掘的主要功能。數據挖掘用於信用評估的優勢主要在於: （ 1 ）能處理和修正實際數據問題，演算法模型具有自檢
  11. The comparative performances are studied among the nmfs + rbf method, the pca + rbf method, and the pca + fld ( fisher ' s linear discriminant ) method. all simulations are carried out on the orl face database. the simulation results show that rbf classifier outperforms k - nearest neighbor linear classifier significantly in recognizing faces with occlusions, and the holistic representations are generally less sensitive to occlusions or noise than parts - based representations

    為了驗證本文所提出的nmfs + rbf演算法的性能，經典的基於pca和fisher線性判別（ fisher ' slineardiscriminant ， fld ）的人臉識別方法，以及基於pca和rbf的人臉識別方法，被用於和本文所提出的人臉識別方法進行比較。
  12. This recognition method integrates traits of nearest neighbor method and k - neighbor method. its basic principle is to improve recognition reliability with tow additive thresholds. in addition, ternary threshold neighbor recognition method ’ s fast arithmetic based on c - average clustering and huffman tree is put forward

    2 .本文在經典統計模式識別方法的基礎上，結合了最近鄰識別法和k近鄰識別法的特點，給出一種三閾值近鄰識別方法，其基本原則是在尋找未知樣本的近鄰時，通過附加閾值的限制，進一步提高識別的可靠性。
  13. In order to reduce the disadvantageous influence of decision profiles ' scattering on fusion recognition, the decision profile is taken as target ' s feature vector and k - nearest neighbor method is applied to classify the target

    為減少目標決策分布圖散布對融合識別效果的影響，提出採用k近鄰方法對目標的決策分布圖進行分類，以實現融合識別。
  14. Then, because of the characteristic of complex engineering systems like fighters, such as modeling difficulty, multiplicity work situations, difficulty and expensiveness for test, a new kind of fast fault predictor is designed based on an improved k - nearest neighbor method, which neither need math model of system nor need data for train and knowledge

    其次，針對殲擊機等復雜工程系統建模困難、工作情況多樣、試驗困難且代價高昂的特點，提出了一種改進k近鄰密度估計方法，設計了一種完全既不需要系統數學模型也不需要故障訓練數據和先驗知識的實時故障預報器。
  15. During the former classification method, the classification expert gives the weights of the nearest neighbor sample points of the sample point to be classified, then defines the key sample point and non - key sample point, furthermore gives their support degree, discount coefficient

    在前一種分類方法中，分類專家對待分類樣本點的最近鄰樣本點給出權重，從而定義關鍵樣本點及非關鍵樣本點，進而給出它們的支持度、折扣系數。
  16. A method based on fuzzy equivalence relation is applied to implement target classification and a synthetic algorithm is presented to fulfill multi - layer structure among groups by using the nearest - neighbor method and field knowledge

    應用基於模糊等價關系的方法實現目標編群，並提出一種基於域知識和最近鄰法相結合的演算法來實現群結構遞增形成的策略。
  17. Further more, we improve the nearest neighbor approximation method by calculat e mixtures ordered by likelihood of being the best scoring mixture. the likelihood is calculating from previously processed data. this improved method can reduce recognition time by 15. 56 % compared with standard viterbi beam search algorithm

    本文對最近鄰快速估算方法進行改進，在搜索過程中根據已處理過的數據統計出各個高斯混合分量產生最高對數概率的概率，並依此預測隨后的計算中最有可能產生最高對數概率的高斯混合分量，優先計算更有可能產生最高對數概率的高斯混合分量，使標準viterbibeam搜索演算法的搜索速度提高了15 . 56 。
  18. By using the least square method and the weighted function method of nonparametric estimation together, this paper defines the wavelet estimators of and g ( ? ). but the weighted function here is not in the common weighted functions, which include kernal weighted function and nearest neighbor weighted function. however, it is a kind of weighted function deduced by wavelet method, so we call it wavelet weighted function here

    本文採用了半參數估計常用的辦法之一? ?最小二乘法結合非參數權函數估計法定義了參數分量和非參數分量的估計，這里的權函數不是通常所採用的核權函數或近鄰權函數，而是由小波方法所得到的權函數，我們稱它為小波權函數。
  19. The method adopts a multi - layers and nearest - neighbor strategy based on the attribute - model knowledge reuse degree to match a case, and the rule - based reasoning to accomplish the reuse of the case modeling experience and the revise of modeling result

    該方法使用基於屬性建模知識重用度的多層加權最近相鄰檢索方法實現事例的檢索；使用基於規則的推理方法完成舊事例建模經驗的復用與建模結果的調整。
  20. This paper uses kriging method to estimate rainfall in drainage basin, gives the results of kriging interpolation method, and compares it with inverse distance square method and nearest neighbor method

    為此，嘗試採用克里格方法對流域雨量進行估值，並分別將年平均、月平均、時段雨量的插值結果與距離反比法以及最臨近法的插值結果進行了對比性檢驗。
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