nearest neighbors 中文意思是什麼

nearest neighbors 解釋
最近鄰
  1. 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。
  2. The thesis presents a expert system for identifies power quality disturbance signal, after compare the artificial neural network, nearest neighbors, fuzzy decision, and expert system. we bring forward the project flexible rule - based expert system, according to the characteristic inspection and measure system, and has a deep research on the problem of this system. this project for disturbance classifies has lower mistake ratio and facility maintenance

    採用專家系統的方法進行模式識別,在對神經網路、最近鄰法、模糊邏輯和專家系統及一些交叉方法等模式識別方法進行比較分析的基礎上,根據電能質量信號故障分析的特點,提出了採用規則基專家系統的方法,該模式識別方法具有便於擴展、修改和識別率高等特點。
  3. Secondly, this paper illustrated the nonlinear phase dynamic theory of the aia array and the application of it to power - combining and beam - scaning technique. according to these theories, the coupling parameter of nearest neighbors was found by experiment, then the two - element and three - element aia array were designed, and the result of measurement was in agree with that of the nonlinear phase dynamic theory, and the beam - scaning of two - element array was realized by tuning the free oscillation frequency of the elements

    其次,本文討論了有源集成天線陣列的非線性相位動態理論以及它在功率合成和波束掃描方面的應用,包括同步工作條件、穩定條件和相位動態方程等,通過實驗確定了陣列中相鄰單元間耦合參數,並將之運用於有源集成天線二元陣和三元陣的設計,實驗結果與理論結果吻合較好。
  4. The negative sign reflects the dominance of the nearest neighbors, and shows that work would have to be done to take the crystal apart into ions.

    負號反映出最鄰近的離子起著占優勢的作用,並表明要把這種晶體分解成離子必須對它做功。
  5. For phase space reconstruction of ship - radiated noise, using auto correlation function and mutual information to select the delay - time, and using false nearest neighbors method to select the embedding dimension

    從自相關函數及互信息嫡兩個方面討論了相空間重構中延遲時間的選擇。
  6. The crystal structure has each atom surrounded by eight nearest neighbors which lie at the corners of a cube.

    其晶體結構是每個原子都被8個最鄰近的原子所包圍,它們分別位於立方體的各個角上。
  7. Small dressmakers, bird-stuffers and "people who wrote" were her nearest neighbors.

    做女服的小裁縫,做鳥類標本的,還有「耍筆桿子的人」都是她的近鄰。
  8. A data - partitioning - based nearest - neighbors - first clustering algorithm

    基於數學形態學的圍棋棋群聚類演算法
  9. According to the characteristics of injection products, a k - nearest neighbors ( k - nn ) case retrieval strategy was proposed based on rough set and simulated annealing algorithm

    摘要針對注塑產品特點,提出了基於粗糙集和模擬退火演算法的事例最鄰近檢索策略。
  10. This study employed six data mining methods, including logistic regression, discriminant analysis, artificial neural networks, k - nearest - neighbors, na ? ve bayes classifier, and classification trees, to find the most important factors of earthquake - caused landslide

    本研究利用六種資料探勘方法,包括邏輯回歸、判別分析、類神經網路、最近鄰法、貝氏分類器、分類樹,探討影響地震引起山崩的重要因子。
  11. The minimum embedding dimension can be determined by the false nearest neighbors method, and embedding dimension of determination component in noise condition can be determined precisely by this method which can avoid the phase space disturbance because of the higher embedding dimensions

    採用偽最鄰近點法確定最小嵌入維數,這種方法可以準確地確定含噪信號中確定性成分的最小嵌入維數,避免嵌入維數過高導致相空間的混亂。
  12. 11 mouratidis k, papadias d, bakiras s, tao y. a threshold - based algorithm for continuous monitoring of k nearest neighbors. ieee trans. knowledge and data engineering, 2005, 17 : 1451 - 1464

    鑒於此,本文研究了在存儲有歷史移動對象軌跡信息的類r樹r - tree - like結構譬如tb樹3維r樹等上有效地處理knn k1查找的問題。
  13. Technical report car - tr - 914. center for automation research, university of maryland, 1999. 14 ho t k. nearest neighbors in random subspaces

    還有一些方法能夠自動將圖像分成不同的組,然後在這些分組圖像的基礎上自動構建多本徵空間。
  14. Secondly we analyze the process of motion estimation and compensation. we use nearest - neighbors search ( nns ) algorithm, instead of full search algorithm, to reduce search times with little degradation. we use sad as block match function, due to the appropriate computation and easy hardware implementation

    其次分析了運動估計與補償過程,採用最鄰搜索作為搜索策略,在搜索質量下降很少的前提下,大大減少了搜索次數;採用適于硬體實現且計算量適中的sad作為塊匹配準則函數。
  15. Emg is also assessed with recurrence plot analysis ( rpa ), recurrence quantity analysis ( rqa ), iterated function system ( ips ) dumpiness test, singular - value decomposition ( svd ), and false nearest neighbors ( ffn )

    我們還應用重現圖形分析、重現定量分析、迭代函數系統成塊檢測、奇異值分解分析、虛假最小近鄰等方法對肌電信號進行了分析。
  16. This situation makes the quality of recommendation systems decreases dramatically. to address this issue, we proposed a collaborative filtering recommendation algoritm based on item rating prediction. this method predicted ratings of un - rated item by the similarity of items, and then the nearest neighbors of target user were calculated with a new similarity measure method

    針對用戶評分數據的極端稀疏性,本文提出了基於項評分預測的irprec協同過濾推薦演算法,通過計算項之間的相似性,初步預測用戶對未評分項的評分,然後採用一種新穎的相似性度量方法計算用戶的最近鄰居。
  17. The new algorithm can determine the nearest neighbors of lle automatically, estimate the intrinsic dimensionality, save lots of operation, and eliminate noises. these validities can be confirmed through experiments

    該演算法能夠自動確定lle中對數據點鄰域值的選擇,估計原始數據的本徵維數,減少運算量,並對噪聲有一定的抑制作用。
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