vector and distance 中文意思是什麼

vector and distance 解釋
矢量和距離
  • vector : n 1 【數學】向量,矢量,動徑。2 【航空】飛機航線;航向指示。3 【天文學】幅,矢徑。4 【生物學】帶...
  • and : n. 1. 附加條件。2. 〈常 pl. 〉附加細節。
  • distance : n 1 距離,路程。2 遠隔,遠離;遠處,遠方。3 (時間的)間隔,長遠,長久。4 懸殊。5 隔閡,疏遠。6 ...
  1. For this problem, a separating hyperplane is designed with the principle of maximizing the distance between two class centers, and a novel support vector machine, called maximal class - center margin support vector machine ( mccm - svm ) is designed

    為了解決這個問題,本文以兩個類中心距離最大為準則建立分類超平面,構造一個新的支持向量機,稱作類中心最大間隔支持向量機。
  2. A real rough set space and the concepts of real lower and upper approximation corresponding to real - valued attributes is studied. a rhombus neighborhood for som is proposed, and the combination of som and rough sets theory is explored in the dissertation. according to the distance between the weight of winner node and the input vector in the real rough sets space, some new weights learning rules are defined

    本文提出採用菱形鄰域代替一般的方形鄰域,可以減少待修正權重的數目;並利用實數粗糙空間的下、上近似集的精確概念劃分自組織映射的輸出結果,使得改進后的映射結果中各類樣本點之間有明顯的間隔,易於進行分類識別。
  3. We presented a novel method of searching for similar fragments of 3d curves, with this method, a hash vector is associated with each fixed - length fragments of 3d sherd. each vector consists of low frequence component of fourier - like spectrum for the distance between profile curve and the centroid

    討論了基於hash矢量和fourier變換的輪廓曲線匹配方法,在匹配中不要求一段輪廓線與另外一段輪廓線完全匹配,而是把它們分成很多子段,再用這些子段來進行匹配。
  4. There are two kinds of retrieval model, full text retrieval and content retrieval, and the vector space model ( vcm ) of the latter is a widely - used method with better effect. the best excellence of vcm is the predominance of knowledge presentation, which expresses documents with vectors in vector space and changes the comparability issue to the distance of vectors, and thus reduces the complexity of documents matching. however. we can not affirm the absolute effect of it, and in this thesis we prove its nonproficiency through experiments

    向量空間模型最大的優點在於知識表示方法上的巨大優勢,用n維空間的向量表示文檔,用向量之間的夾角表示文檔的相似度,從而將文檔信息的匹配問題轉化為向量空間中的矢量匹配問題,將難以計算的文字量化成很容易計算的實數,使問題的復雜性大大減小。但是,並不能夠說目前的向量空間模型是最理想的,本文通過實驗證明了vcm表達信息的不精確性。
  5. Meeting the difference of text retrieval and sentence retrieval, a new method using integrating anaphora resolution, improved edit distance and vector space model is proposed in this paper. on factoid question type, the precision of answer sentence retrieval is up to 84. 71 %

    針對文本檢索和句子檢索之間的區別,本文主要採用指代消解預處理,改進的編輯距離與向量空間模型相結合的方法,對factoid問題的答案句檢索效果顯著,準確率為84 . 71 % 。
  6. This paper confirms a kind of non - linear mapping relation between vibration velocity of particles on building and the influence factors, such as total explosive charge, maximum explosive charge fired at the same time, the distance between blasting point and monitoring points, peak particle velocity of ground where building is, the height from monitoring point to ground, and so on, and sets up a support vector machine ( svm ) model for forecasting the vibration effect induced by an explosion

    應用支持向量機,建立了總藥量、最大段藥量、爆破點與監測點距離、構築物所在地面震動峰值速度、測點到地面的高度等因素與建築物上的質點震動速度之間的非線性映射關系,確立了支持向量機預測模型。
  7. Running over tcp, bgp - 4 is a kind of path - vector routing protocol. it has the advantages of distance - vector and link - state routing protocols

    Bgp - 4運行在tcp協議上,在一定程度上綜合了距離向量和鏈路狀態演算法的優點,是一種路徑向量協議。
  8. For intra - domain routing background, see any undergraduate text ' s routing chapter. you should be familiar with distance - vector and link - state routing

    關于內部網域路由導論,請參考所有大學課程中有關路由的章節。你因該會對距離向量路由選擇及鏈路狀態路由有所了解。
  9. Among all proposed wireless mobile adhoc routing protocols, adhoc on - demand distance vector routing ( aodv ) and dynamic source routing ( dsr ) are the most prominent. we do research on distributed algorithms, mainly the multi - dimensional interval routing scheme on hypercube and the routing algorithms on adhoc network

    目前, adhoc無線網路設計的研究主要集中於分散式路由技術,在所有的adhoc請求路由演算法中, adhoc請求距離向量路由和動態源路由是重要的請求路由演算法。
  10. With the help of dynamic qualitative information of working marine diesel power equipment in this field and expertise, a new long - distance oil monitoring expert system of marine diesel power equipment has been proposed and developed with the characteristic of expounding the dynamic features of marine diesel power equipment from the perspective of chaos knowledge, possessing intellectualized auxiliary decision - making mechanism based on fuzzy reasoning and neural network reasoning, utilizing mathematic analysis model established by means of track facility states of chaos vector and capable of evaluating the analysis results of oil monitoring facil ity ' s development of engine power and its working conditions accurately

    然後,結合廣泛搜集的本研究領域內船舶柴油機動力裝置在運行中的動態定性信息與專家經驗,研製開發了運用混沌學的觀點闡釋船舶動力裝置的動力特性,並擁有基於模糊推理與神經網路協作推理的智能化輔助決策機制,採取通過求取設備狀態混沌向量等方法建立的數學分析模型進行數據分析,能準確地評價船舶柴油機動力裝置油液監控設備狀態變化趨勢及其運轉狀況的遠程輪機油液監控診斷專家系統。本文研製開發的遠程輪機油液監控診斷專家系統在internet intrabet網路環境下,具有遠程智能專家診斷的特點。
  11. And now it has become the most useful routing protocol in the construction of great network. relatively, the paper discusses the internal mechanism of internet routing particularly and roundly, which involved router mechanism, ip address, routing table, routing framework and the two most familiar routing algorithm - distance - vector and link - state

    本文較細致、全面地討論了internet路由選擇的內部工作機制,包括路由器的工作原理、 ip編址、路由表、 internet路由選擇體系結構,以及兩種主要的路由選擇技術?距離矢量與鏈路狀態演算法。
  12. Chapter 3 : on the basis of chapter 1, i present some new conceptions including distance function, distance membership function and fuzzy set of variable vector. then new fuzzy inference systems are constructed : nmamdani fis and nts fis

    第三章:在第一章模糊理論的相關概念上,提出距離函數、距離隸屬函數和基於變量向量的模糊集合概念,並由此構建了新型的模糊推理系統: nmamdanifis和ntsfis 。
  13. Comparing to polynomial regression and linear multi - variant regression, support vector regression can not only enhance the generalization ability but also avoid the discontinuousness in spectrum, and the spectrum distance distortion from converted voice to target voice are reduced to 33. 29 % and 35. 24 % respectively

    與多項式回歸和線性多變量回歸相比,支持向量回歸既提高了泛化能力又避免了頻譜不連續性,使轉換語音與目標語音的頻譜距離失真分別減少了33 . 29 %和35 . 24 % 。
  14. In this case, health monitoring and fault diagnosis should turn to novelty detection ( nd ) technology, which offers a solution to this problem by modeling normal data, using some distance measure and a threshold for determining novelty. this thesis describes the exploratory work of applying a powerful nd technology ? one - class support vector machines ( oc - svms ) to the detection of faults embedded in turbopump vibration data. the main contents of this thesis include : ( 1 ) many popular nd methods are introduced together with their characters and two kinds of oc - svms methods are described in detail

    本文針對液體火箭發動機渦輪泵的振動信號,結合新異類檢測技術中的單類支持向量機方法,對新異類檢測在渦輪泵試車故障檢測中的應用進行了嘗試,主要研究內容包括: ( 1 )介紹了各種流行的新異類檢測演算法的原理以及各自的特點;重點介紹了新異類檢測技術中的兩種單類支持向量機原理,並在此基礎上建立了一種基於支持向量數據描述的新異類檢測模型。
  15. First we construct a covariance matrix from sample images, then compute the eigenvalues and corresponding eigenvectors of the covariance matrix, construct a feature matrix with the eigenvectors. then every images in database can be projected into the feature matrix and gain a projection vector, so does the input image. then we can judge the resemblance between input image with each image in database by computing the distance between their projection vectors

    我們首先根據採集的樣本圖像構造一個協方差矩陣,然後求取該矩陣的特徵值,以這些矩陣特徵值對應的特徵向量構造出一個特徵空間,然後將輸入圖像向該特徵空間映射,將獲取的映射系數與樣本庫中圖像的映射系數進行距離計算,根據計算出的距離判定輸入圖像與樣本圖像間的匹配程度。
  16. First we construct a covariance matrix from sample images, then compute the eigenvalues and corresponding eigenvectors of the covariance matrix, construct a feature matrix with the eigenvectors. then every image in database can be projected into the feature matrix and gain a projection vector, so does the input image. then we can judge the resemblance between input image with each image in database by computing the distance between their projection vectors

    然後,根據採集的樣本圖像構造一個協方差矩陣,求取該矩陣的特徵值,以這些矩陣特徵值對應的特徵向量構造一個特徵空間,將輸入圖像向該特徵空間映射,計算獲取的映射系數與樣本庫中各類圖像的映射系數的歐基里德距離,根據計算出的距離判定輸入圖像與樣本圖像間的匹配程度。
  17. In contrast to information entropy, the algorithm method of antibody density based on vector distance is simple and the speed of convergence is fast

    摘要基於矢量矩的抗體濃度計算方法,其演算法較基於信息熵的簡單、收斂速度快。
  18. Some fundamental methods in mathematical analysis are applied to prove the unique decomposition theorem : the distance between vector - valued pseudo almost periodic functions in metric spaces and almost periodic functions is an ergodic perturbation

    應用數學分析中的基本方法證明了唯一分解定理,即距離空間中的向量值偽概周期函數和概周期函數之間的距離是一個遍歷擾動。
  19. The power control algorithm used in present cdma conunwhcation standar ( for examle, is - 95a and cdma2000 ) is to allocate ophmal power vector for the user in the system sboply by the distance betwen the base station and the user under a predefined norm ( for example, the transmitted power of user or the signalto - interfrence ratio ( sir received by the base station suffice to some a nddrization norm ),

    在現行cdma通信系統標準中(如is - 95a或cdma2000標準) ,採用的功率控制方法是在一定的標準下(如移動用戶發射功率或信干比在到達基站時滿足某一最低要求標準) ,根據移動臺到基站的遠近來為系統內用戶分配功率的。
  20. The main research of this paper includes four parts : a. analyzing the sampling methods for testing the large - scale corpus segmentation and using isodata clustering method to sort the corpus ; b. presenting the mode configuration of corpus ; c. analyzing the measurement formula for the similarity of samples, and adopting a new measurement formula, in which the distance of the sample vector and the linear correlation between the components of the sample vector are taken into consideration comprehensively ; d. presenting evaluation function of the result

    研究聚類中的樣本相似性度量公式,採用改進的絕對值法計算。該公式既能反映樣本向量間的距離,又能反應樣本向量各分量之間的相關性; d給出聚類結果的評價函數,根據該評價函數可以實現對聚類參數的有益指導,在聚類結束時還可根據評價函數值直接求得聚類所帶來的增益。
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