階演算法 的英文怎麼說

中文拼音 [jiēyǎnsuàn]
階演算法 英文
order algorithm
  • : 名詞1. (臺階) steps; stairs 2. (等級) rank 3. [醫學] (耳蝸的三個螺旋管的任一個) scala 4. [數學] order 5. [地質學] stage
  • : 動詞1 (演變; 演化) develop; evolve 2 (發揮) deduce; elaborate 3 (依照程式練習或計算) drill;...
  • : Ⅰ動詞1 (計算數目) calculate; reckon; compute; figure 2 (計算進去) include; count 3 (謀劃;計...
  • : Ⅰ名詞1 (由國家制定或認可的行為規則的總稱) law 2 (方法; 方式) way; method; mode; means 3 (標...
  1. Perfect pre - processing and post - processing function is one of the main factors to evaluate the vitality and market value of the finite element analysis system surveying today development of finite element analysis technology, most of which concentrate on establishing fine user interface, also has some limitation on application, and especially, the research on the visualization of arbitrary cut - plane is always in ascendants to realize the visual processing on cut - plane needs reprocessing the results of finite element analysis which have get, so the algorithm is two parts : seeking the physical value of cut - plane and drawing 2d contours, the former, based on the theory of stress on " arbitrary inclined plane " in physical mechanics, use the method of linear interpolation method to get the coordination and physical value of intersection between cut - plane and element arris ; the latter, based on the tables on elements, nodes, stress and strain, summarize a rapid algorithm of generating 2d contours based on the grid. this thesis synthesizes there two parts and get a visual processing program under fortran

    縱觀有限元分析技術的發展,目前大多集中在建立良好的用戶界面上的研究仍存在許多應用上的局限性,其中對任意剖面上可視化的研究仍處于方興未艾的段。要實現任意剖面上可視化處理,必須先將得到的有限元計結果進行再處理,因此在上分為兩部分:求任意剖面上物理量值的及二維等值線。前一部分以彈性力學中「任意斜截面的應力」為理論基礎,利用線性插值方得到截面與單元棱邊的交點坐標及交點物理量值;在此基礎上;根據已得到的單元及節點序號表、應力應變物理量表,總結出一種基於有限元剖分網格的快速生成二維等值線的
  2. Summarize the common image pre - processing methods and point out their merits and faults. discuss the boundary effect of gaussian low - pass filtering ( glpf ). to improve it, the zero - order gaussian filtering for an open profile ( gfo ) is used

    討論了高斯低通濾波的邊界效應,利用零開環高斯濾波,對高斯低通濾波進行了改進,使濾波圖像在圖像大小不改變的情況下,邊緣處的濾波效果得到明顯的改善。
  3. We first present a number of desiderata for an xml - based query language, and based on this criterion, we introduce the syntax of a simple core ian - guage for semistructured data and then describe four extensions that have resulted in working prototypes. second, we present the algorithm for computing the result of a regular expression on data graph with cycles, the first - order interpretation of querying language for semistructured data, and explore structural recursion and bisimulation in semistructured data and propose an efficient and systematic way to computing a bisimulation between the two graphs. we also proposed and implemented a web querying system with database features

    基於這些準則,對一個簡單的半結構數據查詢核心語言的語提出了兩方面擴充;給出了計數據圖中正規表達式的;對半結構數據查詢語言的一邏輯描述、結構遞歸和數據圖的雙態模擬( bisimulation )等問題進行了研究,提出了一種判定數據圖的bisimulation;在xml數據查詢語言研究的基礎上,設計並實現了一種具有數據庫查詢特性的web查詢系統原型。
  4. Finally, this thesis discussed these following questions : first, the algorithm of used the error image for improving the purpose of the edge detection. secondly, we have transformed the solved question of the first and the second directional derivative to frequency domain and founded they have a single formulae in frequency domain. thirdly, we have described the singular signal and the noise by using the correlations of the neighbor data after wavelet transform

    最後,在傳統的邊緣檢測和小波分析的邊緣檢測之外,對以下幾個方面也進行了一些討論: 1 )利用誤差圖像來提高邊緣檢測效果的; 2 )將求解任意方向的一、二方向導數的問題轉換到頻域中去求解,發現在頻域中它們具有簡單易用的公式,使得原來求解任意方向的一、二導數的比較困難的問題變得容易實現了。
  5. Based on a duralumin flexible beam with piezoelectric films attached, distributed parameter modal described by partial difference equations is builded, and then turned into a set of two order systems with the method of modal analyse. state feedback control and independent modal control is investigated. and simulation of the closed - loop system with thest two methods is performed in matlab

    並用模態分析的方,將系統的偏微分方程模型轉化成了模態模型;研究了狀態反饋和獨立模態方;進一步完善了軟體界面以及軟體功能;在實際系統中,應用狀態反饋,有效抑制了懸臂梁在受到外界瞬時脈沖擾動和激振引起的一、二模態振動。
  6. Then, we investigated the epistasis of gas using walsh - schema transform, and further evaluated the epistasis order for the < wp = 5 > continuous function optimization problems

    利用walsh模式變換對遺傳基因關聯問題進行了分析,並對連續函數優化問題的基因關聯數進行了估計。
  7. The results reveal that calculation errors can be reduced with the linear expending nodes, which can be found out by anti - inference method, decided on the limiting equilibration surface based on the advance losm method

    結果顯示,用改進一次二將線性展開點(可用反求得)選在極限平衡狀態面上,可減小計誤差。
  8. During the course of the example computing this paper also discusses how to get the rigid measure of the solid tires, equivalent mass of the boom and equivalent rigid measure of the boom

    在實例計過程中也給出了實體橡膠輪胎的剛度和梯懸臂梁的等效質量、等效剛度的近似計,這些使理論計簡單可靠。
  9. They learn from others " strong points to offset one ' s weakness, therefore two research direction - genetic fuzzy system and fuzzy genetic algorithm ( fga ) - appear

    段,模糊遺傳的發展還不十分成熟,對其認識也眾說紛紜。
  10. 3 fourth order cumulant ( foc ) different slice - based adaptive dynamic line enhancement algorithms are presented

    3提出了基於四累積量不同切片的間接自適應動態線譜增強
  11. Algorithm study on models of multiple objective risk decision under principal and subordinate hierarch decision - making

    主從遞多目標風險決策模型構建及研究
  12. Two methods are given. one is obtained by using degree reduction of interval rational bezier curves in two parameter directions according to the character of tensor product, which is called " single step method ". by comparison for degree reductions produced by the different order in two parameter directions, the relationships of the approximation results are discussed

    然後討論了矩形域上區間有理bezier曲面的降問題,給出兩種降階演算法:一個是針對張量積的特點將問題轉變為兩參數方向的區間有理曲線的降逼近,即「單步」 ,並討論單步沿兩參數方向不同次序降的關系。
  13. Solutions to problems of algorithms for degree elevation of b - spline curves

    樣條曲線升階演算法中問題及其解決辦
  14. A great lot of analysis and experimental results indicate that the experiential formula can give more exact order than traditional methods, such as a1c, b1c, cat and svd

    大量的試驗與計機模擬表明,該經驗公式在簡訊號的分析中優于傳統的信息量準則以及基於線性代數方的奇異值分解( svd )定階演算法
  15. Sa is a stochastic optimization technique and a zero - order algorithm requiring no derivative information and has been used extensively to solve continuous, ordered discrete and multi - modal optimization

    模擬退火( kirkpatrick等, 1983 )是一種隨機的優化技術,它是零階演算法,不需要導數信息,廣泛地用於解決連續的、有序離散及多模態優化問題。
  16. In the use of the recurrence definition and the matrix presentation of nurbs curve, the algorithm of curve is outlined from the correspondent algorithm of b - spline, concerning on the evaluating, derivative, integral, knots inserting and degree elevating

    利用nurbs曲線基函數的定義和nurbs曲線的矩陣表示,從b樣條的相關出發,可解決nurbs曲線的求值、求導、求積和nurbs曲線的節點、升階演算法等問題。
  17. According to the different ocean environment, range dependent and range independent inversion are studied and the inversion results are analyzed. ( 4 ) in order to reduce the snapshots needed by passive localization in complex ocean environment, reduced rank amfp frame is founded and many algorithms are compared. in mismatch environment, two robust amfp algorithms are compared

    為了降低被動定位對快拍數的要求,建立了降自適應匹配場處理的通用結構,比較分析了多種降階演算法;對環境參數失配條件下的兩種穩健amfp進行了性能對比;採用運動補償的方提高被動定位的精度;並採用實測數據對各種方進行了評估。
  18. The sculling error in the velocity calculation is described and the sculling optimal compensation algorithms are derived in the sculling base motion environment. for testing the sculling correction algorithms " performance, several simulations are practiced and the simulation results show that the sculling compensation term in the velocity integration algorithms can not be neglected for the high accuracy sins in highly dynamic environments. 3

    分析了速度更新計中劃船誤差的產生機理,詳細推導了劃船補償並在劃船運動條件下推導了劃船補償優化,最後對各階演算法進行了模擬分析,模擬結果表明:對處在高動態環境下的高精度導航系統,劃船補償不可忽略; 3
  19. For solving nonlinear optimization problems, newton method is one of the most efficient methods. as modification to newton method, inexact newton methods are popular for solving the middle and large scale noniinear optimization problems. among them, cf - pcg ( newton - pcg ) method is an efficient improvement to newton method

    在非線性最優化的研究中,牛頓是二階演算法,對牛頓的改進,一直是人們關注的問題,近年來,用共軛梯度對它進行改進,即研究牛頓- pcg型方是國內外的一個研究熱點。
  20. This dissertation studies mainly approximations to special classes of set - valued maps and their applications, in order to compute differentials of some class of set - valued maps and to solve basis theories of constructing high - ordered methods of nonsmooth functions. then results obtained in this dissertation are applied to optimality theories in optimization

    本文針對研究非光滑函數的高階演算法的理論基礎和集值映射的微分的計的課題,主要研究幾類特殊類型的集值映射的(方向)導數的計與近似,並將得到的結果應用到優化的最優性理論中。
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