數值計演算法 的英文怎麼說

中文拼音 [shǔzhíjìyǎnsuànfǎ]
數值計演算法 英文
number method
  • 數 : 數副詞（屢次） frequently; repeatedly
  • 計 : Ⅰ動詞1 （計算） count; compute; calculate; number 2 （設想; 打算） plan; plot Ⅱ名詞1 （測量或計算...
  • 演 : 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;...
  • 算 : Ⅰ動詞1 （計算數目） calculate; reckon; compute; figure 2 （計算進去） include; count 3 （謀劃;計...
  • 法 : 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...
  • 數值 : numerical value; numerial number; figure; magnitude; value數值表 numerical tabular; 數值天氣預報 ...
  1. It can dynamically determine the structure information need to index according to real query loads and opti mization of index. second, to consider the effects of structural information on result relevance ranking, this dissertation proposes a ranking algorithm that consider both the frequency distribution and structural distribution of keywords in the result, and a dynamic element - oriented method to compute the weight of keywords

    第二，為考慮xml數據中的結構信息對查詢結果相關度值的影響，本文提出了一種綜合考慮關鍵字頻率分佈特徵和結構分佈特徵的查詢結果相關度演算法，以及一種基於節點的關鍵字權重計演算法，取得了更優的檢索性能。
  2. Analyze the linear dipole array with uniform element spacing using the method of moments ( mom ), derive the analytical expression for the recovered signal with the direct data domain method, demonstrate the effect of the mutual coupling on the performance of the antenna array by examples, the degradation of the system caused by the mutual coupling is simulated and analyzed in two different electromagnetic environments such as the weak and strong interference

    用矩量法計算了幾個信號同時照射時對稱陣子均勻直線陣的電流分佈，用直接數據域演算法推導了此接收陣列的恢復期望信號的表達式，舉例說明了互耦對陣列天線性能的影響，數值模擬了在弱干擾和強干擾下，互耦造成系統性能下降的情況並分析了原因。
  3. Numerical algorithm of tv horizon output circuit

    電視機行輸出電路數值計演算法
  4. Requirements analysis, system frame design, algorithm design, code compile and software test of protection setting verifying and analysis system of sub power system are all accomplished. main research work of this paper is concentrated on three respects : ( 1 ) knowledge expressing of mathematic model and physics model of power system using relation database and object oriented language, ( 2 ) new methods of in - substation topology and net topology analysis based on topology of hierarchical model, ( 3 ) father research of protection coordination considering difference of protection setting verifying and fixing

    論文提出了進行保護定值在線校驗的意義和方法，並按照軟體工程的規范化開發的要求，完成了滄州地區電網保護定值在線校驗分析系統的需求分析、系統框架設計、演算法設計、代碼編寫和軟體測試的大部分工作，主要的研究工作集中在： （ 1 ）利用關系數據庫和面向對象語言對電網進行物理模型和數學模型上的知識表示。
  5. The auto - spectrum is attached to linear phase, the amplitude - frequency drawing is got according to the arithmetic of bi - spectrum, then the equivalent is educed, the conversion relation is attained

    該方法通過對自譜添加線性相位，根據雙譜的數值估計演算法計算獲得雙譜在三維空間的幅頻圖，通過推導雙譜與自譜估計演算法之間的等價關系以及所得的幅頻圖來實現兩者之間的相互轉換。
  6. Hydraulic pound, vibrate, noise and cavitation are the main difficult problems in water hydraulic valves, and finite element numerical analysis is proved to be an effective computational method, so numerical simulation and visualizing research on the flow field in water hydraulic valves by applying finite volume method is very important

    水壓閥中的液壓沖擊、振動、噪聲以及水壓閥中的氣蝕是研製水壓閥存在的主要難題，而有限體積數值計算方法又被證實是一種可行而有效的流場計演算法，因此應用有限體積法對水壓閥閥道內流場進行數值模擬和可視化研究，是非常有意義，也是非常重要的。
  7. Secondly, the penalty coefficient may converge to infinity in many situations when the iterative point is closely near the bound of feasible set, while the parameters are bounded if the solution set of constrained optimization is nonempty, which is available for numerical computation

    另外在很多情況下，罰函數法中的罰因子當迭代點接近可行域邊界時趨于無窮大，而參數控制演算法中，只要約束優化問題有最優解，則參數是有界的，這對數值計算是有利的。
  8. A new cumulant based algorithm of estimating signal to noise ratio ( snr ) and reference phase is proposed for likelihood ratio classification of mpsk signals, which is blind to unknown phase order of mpsk signals. the asymptotic statistic distribution characteristics of cumulant function estimation of mpsk signals are given

    針對mpsk信號似然比分類中的參數估計問題，提出了在未知調制類型的前提下，基於累量分析的（對調制類型）盲的信噪比和參考相位估計演算法，並理論分析了累量函數估計值的漸進統計分佈特性。
  9. Based on the theory of measurement and statistical estimate, this paper furnish three kinds of estimate algorithms : median estimate ( me ), 3 a confidence distance estimate ( 3 a cde ) and confidence distance estimate based on bayes ( cdebb ). the monte carlo digital simulations are applied on the me, 3 a cde and cdebb with the random normal samples & outlier samples

    論文運用測度論和估計理論，探索了可應用於引信決策的中位數估計、 「 3 」置信距離估計和基於bayes的置信距離估計三種穩健估計演算法，並結合構造的隨機正常值樣本、隨機異常值樣本，用蒙特卡羅法分別對該三種演算法進行了數字模擬驗證。
  10. The set of these eigenvalues can be regarded as the eigenvalues of primary system approximately. this method not only can control the scale of the block - decoupling subsystems, but also achieves the reduced - order eigenvalue calculation for multi - machine power system. so this method can avoid the dimension disaster in the qr and calculate all the eigenvalues of large power system with the effect of damping windings considered

    這一方法可以控制分塊解耦子系統的規模，實現多機系統特徵值的降階計算，避免特徵值qr演算法的「維數災難」 ，同時為採用計及發電機阻尼繞組作用的詳細模型計算大型電力系統的全部特徵值、提高電力系統小擾動穩定分析的準確性提供了一種方法。
  11. In this thesis, we present a fast self - adaptive algorithm for fredholm integral equations of the second kind with weakly singular kernels. briefly speaking, we design an algorithm which can determine the correlated parameters such that the corresponding numerical solution has given accuracy

    本文考慮核函數有弱奇性的第二類fredholm積分方程的自適應快速數值解法，即事先給定數值解的精度，設計演算法確定相關的參數使得數值解滿足精度要求。
  12. As a straightforward method, the full search algorithm ( fs ) is widely used because of its high performance. usually, fs is computationally expensive in a video encoder. as a result, in order to reduce the heavy computational load of fs, active research has focused on fast bmas for a long time and several sub - optimal search algorithms for block - based motion estimation have been developed. these include : three step search ( tss ), four step search ( fss ), two - d logarithmic search, orthogonal search, cross search, etc

    目前塊匹配運動估計演算法有很多，如全搜索法、三步法、共軛方向搜索法、二維對數搜索法、交叉搜索法、鉆石搜索法以及四步搜索法等，它們各有優缺點，全搜索法精度高，但計算量大，三步搜索法和交叉搜索法搜索速度較快，但搜索誤差較大，容易陷入局部最小值。
  13. Fc approved to revise the rates of the components of lsfs assessment formula i. e. the adjusted family income ready reckoner, the asset ceiling and sliding scale of net asset values and the maximum amount of medical expenses deductible from family income as approved by fc on 5. 12. 97, according to the movements of the cpi in 1996 and 1997

    財務委員會批準，根據1996年和1997年甲類消費物價指數的變動幅度，修訂財務委員會於1997年12月5日批準的本地專上學生資助計劃評審算式組成部分即"調整后家庭收入"算式計算便覽資產上限資產凈值的按比例計演算法，以及可從家庭收入扣除的醫療開支的最高限額的金額。
  14. Fc approved to revise the rates of the components of lsfs assessment formula ( i. e. the adjusted family income ready reckoner, the asset ceiling and sliding scale of net asset values and the maximum amount of medical expenses deductible from family income ) as approved by fc on 5. 12. 97, according to the movements of the cpi ( a ) in 1996 and 1997

    財務委員會批準，根據1996年和1997年甲類消費物價指數的變動幅度，修訂財務委員會於1997年12月5日批準的本地專上學生資助計劃評審算式組成部分（即"調整后家庭收入"算式計算便覽、資產上限、資產凈值的按比例計演算法，以及可從家庭收入扣除的醫療開支的最高限額）的金額。
  15. So far we discuss the ionization and hhg of hydrogen atom by using numerical method in which the laser field is treated as a classical extent field. chapter five is another part of our work

    這里，我們將激光場看成一含時的經典外場，採用數值計演算法來解含時schlodinger方程，對強激光場中氫原子的電離與高次諧波產生以及相關的一些現象進行了研究。
  16. For carrier synchronization, a method of estimating the ofiset of carrier frequency has been presented, which has a more broad range of the estimated oflset of carrier fiequency and more accurate result man other methods, then, a method of estimating the carrier complex phase has been presented, which corrects directly the ofiset of carrier phase

    對于全數字接收機中的載波恢復，先提出了一種估計范圍寬、估值精度高的載波頻偏估計演算法，接著介紹了一種可以直接對載波相位偏差進行補償的復相位估計方法。
  17. The decision tree had a lot of algorithms, this paper focus on the optimization of fast classification in the face of n - value attribute of id3 algorithm which had parameters of user ' s interest. on the basis of avoiding the weak relevant attribute of n - value covered the worth strong relevant attribute, simplify complexity of the original algorithm and code cost through the mathematics tool, thus raise the speed of operation while using this algorithm, and lower costs in thrift as much as possible, to raise the efficiency

    決策樹學習有很多演算法，本文著重研究了對引入用戶興趣度參數的id3演算法在面對多值屬性時的快速分類的優化，在避免了多值弱相關屬性覆蓋少值強相關屬性的基礎上，通過數學工具簡化原演算法的復雜度和編碼代價，從而提高使用該演算法時的運算速度，盡量多的節約計算時間，從而達到降低成本的，提高效率的目的。
  18. The beginning point of the first research direction is that we design a type of load - balancing virtual topology which is insensitive to the traffic, such plan method has been proposed whose name is vlbs ( valiant load - balancing schemem ), the disadvantage of vlbs is that it can only be applied to the homogeneous network in which each node has the same capacity, in chapter2, a more general valiant load - balancing scheme ( gvlbs ) has been proposed, the advantage of the gvlbs is that it can be used both on the homogeneous network and heterogeous network, in this chapter, we will give the detail derivation process and numerical analysis. the beginning point of the second research direction is that we first design a virtual topology for the physical topology under a specific traffic matrix, for a while, the traffic has changed, the network performence will decline. under such condition, in chpater 3, a virtual topology reconfiguration algorithm is studied which can decrease the average weighted hops

    本文針對動態變化業務量情況下的wdm網路設計方法劃分為兩個主要的研究方向，第一個方向的研究出發點是可以在最初的虛拓撲設計過程中根據物理拓撲情況設計出一種虛拓撲出來，該虛拓撲是負載均衡的，在這種虛拓撲上跑的業務量矩陣特徵只要在某種范圍以內，無論它怎樣動態變化，網路都不會出現擁塞，但這種虛拓撲設計演算法vlbs的一個缺陷是它只能適用於同構網路，即每個節點所擁有的容量大小都相等，在第二章中，本文提出了一種更通用的負載均衡的光網路虛拓撲設計演算法gvlbs ，該演算法與傳統的負載均衡演算法vlbs不同之處在於vlbs演算法只能適用於同構網路而gvlbs演算法既可以適用於同構網路，又可以適用於異構網路，在本章中將給出了gvlbs演算法的的詳細推導和數值分析。
  19. There are three methods often used when evaluating stability of high cut rock slope, which includes rigid block limiting equilibrium method, emperical method and numerical analysis approach. so far the the new roadbed design code is based upon the first of these methods

    在公路巖質邊坡的穩定性評價方法中，目前成熟的、而且能寫入新的《公路路基設計規范》中的方法，主要還是以基於剛塊體的極限平衡法為主，以工程類比法和數值計演算法為輔。
  20. We studied the effects of pulse - shape, an additional static electric field and different initial states on ionization probability and hhg. we did so by representing the results of a series of numerical experiments on a one - dimensional model hydrogen atom

    本文將採用數值計演算法來求解含時schrodinger方程，研究在一維氫原子模型中，外加的平行靜電場，不同形狀的激光脈沖以及原子處于不同初始態對諧波譜線和電離率的影響。
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