vector computation 中文意思是什麼

vector computation 解釋
向量計算
  • 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...
  • computation : n. 1. 計算，估算。2. 計演算法。3. 計算結果，得數。
  1. This has brought heavy computation burden when it is applied to compress the hdtv high definition television content. based on the original ffsbm fast full search blocking matching, this paper proposes an improved ffsbm algorithm to adaptively reduce the complexity of motion estimation according to the actual motion intensity. the main idea of the proposed algorithm is to use the statistical distribution of mvd motion vector difference

    為了提高壓縮效率， avs採取了可變塊大小的運動補償技術，一個宏塊可以被進一步劃分為四種塊大小， 16x16 ， 16x8 ， 8x16 ， 8x8 ，這樣一個16x16的宏塊中總共會被劃分成9個不同的分區，每個分區獨自地進行運動估計，這使得運動估計成為了avs編碼器中復雜度最高的一部分。
  2. Vector feedrate computation

    向量進刀速率計算
  3. The threshold scheme is actually a particular case of the vector space secret sharing scheme. therefore the vector space secret sharing scheme can find more applications than the threshold scheme. in the above two schemes, every participant is required verifying the shares of the other participants, and the computation complexity is relatively high

    在上述兩個方案中，每一個參與者都需對其餘參與者出示的子秘密進行驗證，驗證工作量很大，有時在實際當中需要採用計算量比較小的方案，並且能夠發現欺詐者的存在。
  4. Considering the fuzziness of some boundary conditions enviroment media, and especially some loads in the engineering structure analysis, we go further into the computation based on the dynamic problem of fuzzy finite element ( ffe ), study further and systematically the analysis and solution. the principle of fuzzy minimum potential energy is established, and the balance equation of fuzzy finite element is reasoned by making fuzzy variation. at the same time, the dynamic balance equation of stochastic by making stochastic variation ， also the fuzzy stochastic dynamic balance equation is deduced. based the theory that the degree of the fuzziness and probability can be measured, in the other word, by using the concept of fuzzy entropy and entropy, pure fuzzy dynamic structure is given through transforming the probability to fuzziness. for the fuzzy parameter can be regarded as a fuzzy vector with dimensions, the structure ' s eigenvalue, by the theory of small parameter

    建立了模糊瞬時最小勢能原理，運用模糊變分原理導出了模糊有限元動力平衡方程；同時，利用隨機變分原理導出了動力問題的隨機有限元方程，同時得到了模糊隨機動力問題的有限元平衡方程。根據模糊度和概率度可以度量的原理，即利用模糊熵和概率熵的概念，把結構的隨機性等效地轉化為結構的模糊性，得到純粹模糊性的動力結構。把結構所具有的模糊參數看作一個維的模糊向量，利用小參數攝動原理，把結構的特徵值，特徵向量和位移都在模糊向量的均值處進行泰勒展開，得到一組遞歸方程，即可以求得結構的模糊特徵值，特徵向量和模糊位移。
  5. To interpolate the given ship offset data, the ship - hull surface is represented successfully by nurbs. the boundary conditions computation and knots vector construction are detailed in nurbs curve and surface interpolation

    本文根據船體型值表的數據，用nurbs曲面來描述完整船體曲面，對插值曲面邊界條件構造及節點矢量計算進行了研究，實現了船體曲線曲面的nurbs表達。
  6. Computation of surface normal vector in virtual endoscope system

    虛擬內窺鏡系統中表面法向量的計算
  7. This type of strategy has two main shortcomings : 1 ) useful information for classification task contained in the matrix structure may be jeopardized in the vectorizing procedure ; 2 ) after vectorizing procedure computation complexity in classification task may increase substantially due to the vector pattern representation

    這種方法存在著兩個主要的缺點： 1 ）矩陣模式中對分類有用的結構信息很可能會因為向量化的操作而遭到破壞； 2 ）向量化的操作極大的增加了特徵提取及隨后識別的運算復雜度。
  8. The two - dimensional axisymmetric subsonic - transonic - supersonic flow in an experimental arcjet thruster is simulated numerically using flux vector splitting method. the profiles of density, velocity, temperature, pressure and mach number can be obtained by the computation. the computation grid and some computed results are given here. the test equipment such as power supply system, ignition system, propellant supply system, arcjet thruster, thrust measuring device and vacuum system are introduced briefly. some working phenomena of the arcjet are observed and discussed. three different kinds of instability appeared in the process of the experiments. except some important parameters are measured, it is found that the operating stability of argon is better than that of nitrogen

    對一實驗電弧加熱式發動機二維軸對稱亞跨超音速流動進行了數值模擬，所採用的方法是矢通量分裂演算法.通過計算可以得出密度、速度、溫度、壓力和馬赫數的分佈.給出了計算所使用的網格和一些計算結果.簡要介紹了實驗所使用的設備，如電源系統、點火系統、推進劑供給系統、電弧加熱式發動機、推力測量裝置和真空系統.對所觀察到的一些工作現象進行了討論.有三種不同的不穩定性出現于實驗過程.除了所測量的一些重要參數，通過實驗發現氬比氮工作更穩定
  9. On condition that quality of picture restructured is insured, with a view to the motion estimation algorithms that costs the longest coding time, the method of prejudgment of zero motion vector is adopted in this paper, which makes about 50 percent motion estimation computation left out, so the encoding speed of encoder can be further increased

    為了解決質量和實時性的矛盾，本方案在保證質量的前提下，針對運算時間較長的運動估計模塊，給出了零運動矢量提前判斷的方法，從而省去了約50的匹配塊搜索運算，提高了h
  10. Test vector generation based on ant algorithm is presented and implemented, the pheromone computation formula for sequential circuits and status transfer rules are given, and the test results are compared with the results of the other existing test generators - hitec, gatest, cris, digate and strategate, based on standard sequential circuits iscas ' 89 and other synchronous sequential circuits

    提出並實現了基於螞蟻演算法的測試矢量生成，給出了針對時序電路測試矢量生成的信息素計算公式和狀態轉移規則。在iscas 』 89標準時序電路和幾個同步時序電路上實現了測試生成，並將生成結果和其它現有測試生成器（ hitec ， gatest ， cris ， digate ， strategate ）的生成結果作了比較、分析。
  11. Girosi, f. " an equivalence between sparse approximation and support vector machines. " neural computation 10 ( 1998 ) : 1455 - 1480

    文章中討論支持向量機與基礎追蹤去雜訊法之間的關系。
  12. Matrix and vector template classes are defined based upon object - oriented technology ( oot ). the conventional computation among matrix, vector and number is realized by overriding operators. according to the property of matrix, the scanty reserve way of object data is used, and the computation between matrixes with different reserve way is realized. the template classes is versatile, the program codes can be effectively reused, maintained and extended

    基於面向對象技術定義了矩陣和矢量兩種模板類，利用運算符重載實現了矩陣、矢量和數之間的常規運算，對于具有不同特性的矩陣，採用了節省的貯存方式，並實現了不同貯存方式下矩陣相互之間的計算，表明所建立的模板類具有通用性，所開發的代碼可重復利用率高，而且易於維護和擴充。
  13. 3 ) b - spline surface fitting to contour data is studied. a fitting method of using uniform knot vector is given. using this method, the resulted b - spline s urface not only satisfy the requirements of precision, but also possess fewer c ontrol vertices and good fairness, the computation speed is greatly improved t oo

    3 ）研究了逐層掃描數據的曲面擬合問題，給出了一種是利用統一的節點矢量進行擬合的演算法，用該法得到的b樣條曲面不僅可以滿足精度要求，而且具有較少的控制頂點和較好的光順性，計算速度也有較大的提高。
  14. Secondly, the adaptive integral method is studied in detail. the two key techniques used in aim are introduced in roundly. they are : fast and efficient solutions of auxiliary basis function, and fft used to accelerate the computation of toeplitz matrix and vector multiplication

    接著，詳細研究了自適應積分方法的基本原理和數值實現方法，並深入研究了數值實現中的兩個關鍵問題:輔助基函數的快速精確求解和fft加速多層拓撲利茲矩陣與矢量相乘的計算。
  15. This paper presents the overall structure, design idea and systematic function and application condition of information analysis and management system on hydrology and sediment of the yangtze river and mainly introduces function realization of 8 sub - systems of editing sub - system of vector data, management discipline of object relation database, computation sub - system of hydrology and sediment sub - system, visualized analysis sub - system of water and sediment information, analysis sub - system of the yangtze river channel evolution, inquiry sub - system of fundamental information, 3 dimensional visualized sub - system of the yangtze river, network publication sub - system of hydrology, sediment and river channel information

    摘要闡述了長江水文泥沙信息分析管理系統的總體結構、設計理念和系統功能以及系統應用情況，重點介紹了矢量數據編輯子系統、對象關系數據庫管理子系統、水文泥沙專業計運算元系統、水沙信息可視化分析子系統、長江河道演變分析子系統、基本信息查詢子系統、長江三維可視化子系統、水文泥沙河道信息網路發布子系統等8個子系統的功能實現。
  16. Also the computation complexity is rather low. thirdly, we proposed two algorithms for 3d mesh models compression using vector quantization : one scheme is based on an extended codebook, with which the correlations between indices of adjacent vertices are adopted and

    基於目前大多數可逆水印演算法針對原始域媒體的不足，結合矢量量化的思想，提出了一種壓縮域三維網格可逆數字水印演算法:該演算法通過改變矢量量化壓縮過程的矢量預測方式來嵌入水印信息，使水印對于通道噪聲引起的
  17. The result showed that, with the equivalent substitution method of kinematic joint for error analysis, its computer - aided analysis was realized and the malady of tedium and complexity with the analysis and computation of the vector loop was eliminated, making the error analysis of the mechanism simple, easy, and reliable

    結果表明，誤差分析的等價運動連接替換法實現了計算機輔助分析，解決了向量環路分析計算量繁瑣的弊端，使機構誤差分析簡易可靠。
  18. In case of high input dimension system model, taking norm of input vector as the input of wavelet network instead of using tensor product method to construct wavelet network, which could solve the problems of high computation and curse of dimensionality. in the selecting of specific wavelet basis, this thesis first gets initial wavelet basis collection according to spectrum analysis, then gives the least squares regression algorithm to optimize wavelet basis collection based on the least estimation error criteria, which could also initialize the model parameters and increase the speed of convergence

    對于具體的模型小波基函數選擇，本文首先對樣本數據進行時頻域分析，根據小波基函數時頻空間覆蓋樣本時頻空間的原則，在小波框架中選擇建模所用的函數集，然後根據估計誤差最小準則，給出最小二乘回歸優選演算法以進一步優化小波基函數集。
  19. Block motion estimation using full search is computationally intensive, many fast algorithm have proposed to reduce the computation at the expense of less accuracy of motion estimation. in this paper, we present a new fast and efficient search algorithm for block motion estimation. the proposed algorithm is based on the ideas of predicted starting search point, subsampled block distortion measure, center - biased distribution of motion vector, multiple - candidate diamond search. from the experimental results, the proposed algorithm is superior to many other well - known fast algorithms in both quality performance and computational complexity

    演算法採用多步搜索方法，利用相鄰塊之間的運動相關性，選擇反映當前塊運動趨勢的預測點作為初始搜索點用子采樣塊匹配失真度量來減少計算量利用運動矢量的中心傾向的分佈特性，用多侯選點鉆石形狀搜索方法來提高運動估計的速度和準確性。
  20. Second, for vector sequence coming from the steep - descent method, we use extrapolation method for the sequence and get some applied algorithms. we also give theoretical proofs for this algorithms. many numerical experiments tell us that the new algorithms sometimes can save 80 % computation

    其次，對求解非線性優化問題的最簡潔的最速下降方法產生的迭代序列，運用向量序列加速收斂手段進行了討論，導出了一些實用的加速演算法，並從理論上證明快速演算法的有效性，眾多數值試驗進一步表明：加速收斂的方法相比較加速前幾乎都能夠節約80以上的計算量。
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