符號計算 的英文怎麼說

中文拼音 [fúháojìsuàn]
符號計算 英文
symbolic computation
  • 符 : Ⅰ名詞1 （符節） tally （with two halves made of wood bamboo jade metal issued by a ruler to gener...
  • 號 : 號Ⅰ名1 （名稱） name 2 （別號; 字） assumed name; alternative name3 （商店） business house 4 （...
  • 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...
  • 算 : Ⅰ動詞1 （計算數目） calculate; reckon; compute; figure 2 （計算進去） include; count 3 （謀劃;計...
  • 符號 : 1 （記號; 標記） character; sign; symbol; mark; code; notation; expression; denotation; sentinel ...
  • 計算 : 1 （求得未知數） count; compute; calculate; reckon; enumerate 2 （考慮; 籌劃） consideration; pla...
  1. This paper based on the hj04a railway signal computer system which is developed by the research institute of microcomputer, hefei university of technology. according to requirement of the interlocking software " s reliability and safety. considered with the software requirement analysis, combining the uml and z, we finally design the interlocking software specification which is completeness, consistency, no redundancy, no different meanings and is consistent with the demand of the system

    本論文針對合肥工大微型計算機應用研究所研究開發的hj04a鐵路信號計算機聯鎖系統，根據計算機聯鎖系統聯鎖軟體設計可靠性和安全性要求，從軟體的需求分析著手，綜合uml統一建模語言方法和形式化描述語言z語言的方法，設計出完全的、一致的、無冗餘的、無歧義的、符合系統要求的聯鎖軟體規格說明書。
  2. Signal layer represent links between the nerve cells, knowledge layer represent rules and reasoning of expert, conception layer is the medium layer and connect signal layer and knowledge layer, therefore integrated symbol computing ability of es with link features of ann into one body to make brain model more intelligent

    刺激層體現神經元的連接，知識層體現專家的規則、推理，從而將專家系統的符號計算和神經網路的連接主義兩者有機的結合，並在其基礎上構建了形體的表徵模型、推理方法，實現了形態構成知識的產生，為人腦模型的「智能」能力的實現和應用奠定了基礎。
  3. With the development of the computer and the constantly expanding of it ' s applied domain, symbol computation present gradually powerful bioenergy. in this paper, using the computer algebra as the tool and the differential algebra as the background, we discuss the theory of " ac = bd " and the differential characteristic method and their application in the differential equations

    隨著計算機的發展和應用領域的不斷擴大，符號計算在數學領域中體現出了日益強大的生命力，本文就是以計算機代數為工具，微分代數為理論背景，討論了「 ac = bd 」理論及微分特徵列法的相關理論問題以及它們在微分方程組中的應用。
  4. In this dissertation, with the aid of many types of constructive transformations and symbolic computation, some topics in nonlinear waves and integrable system are studied, including exact solutions, painleve integrability, backlund transformation, darboux transformation, symmetry ( similarity reduction ), conditional symmetry, lax integrable hierarchy, liouville integrable n - hamilton structure, constraint flow, involutive system, lax representation, r - matrix, separation of variables and integrable couplings. chapter 2 and 3 are devoted to investigating exact solutions of nonlinear wave equations : firstly, the basic theories of c - d pair and c - d integrable system are presented

    本文以構造性的變換及符號計算為工具，來研究非線性波和可積系統中的一些問題：精確解（如孤子解、周期解、有理解、 dromion解及compacton解等） 、 panileve可積性、 backlund變換、 darboux變換、對稱（相似約化） 、條件對稱、 lax可積族、 liouville可積的n - hamilton結構、約束流、對合系統、 lax表示、 r -矩陣、變量分離及可積的耦合系統
  5. These methods have been developed and get wide applications. in recent ten years, directly searching for travelling wave solutions of nonlinear evolution equations has become more and more attractive due to the availability of computer symbolic systems

    近十年來，隨著計算機符號計算系統的飛速發展，非線性演化方程孤波解的解法研究又成為了一個活躍的領域，涌現出了各種「直接方法」或「代數方法」 。
  6. Matlab symbol ' s application in college physics teaching

    符號計算及其在大學物理中的應用
  7. We make good use of symbol - calculation function of matlab complete parameters ’ calculating

    利用matlab的符號計算功能實現模型參數計算。
  8. A symbolic computation method to decide the completeness of the solutions to the system of linear partial differential equations

    判定線性偏微分方程組解的完備性的一個符號計算方法
  9. However, although it has powerful symbolic - manipulation capabilities, mathematica is awful limited in executable speed

    Mathematica雖有強大的符號計算功能，但執行速度嚴重受到限制。
  10. Four approaches to geometric constraint solving, namely graph - based, rule - based, numerical computation - based and symbolic computation - based are described in detail

    對常見的4類求解方法：數值計算的方法、符號計算的方法、基於規則的方法、基於圖論的方法做了詳細的介紹。
  11. The innovation of the thesis as follows : advances the generalized computing theory that combines symbolic computing with neural computing, fuzzy computing and evolutionary computing

    本文的價值在於：提出了融符號計算、神經計算、模糊計算和演化計算於一體的廣義計算理論。
  12. Using matiab symbolic computation, this paper studies the sensibilities of cvt ' s parameters, characteristic of cvt ' s transient noise, deduces the formula of cvt ' s secondary voltage and the formula after fourier transform ; then bring forward the least square algorithm for cvt and the compensatory algorithm based on fourier transform

    本文運用matlab的符號計算，分析了cvt參數的靈敏度，其暫態噪聲的特點及對保護的影響，推導了cvt二次側電壓及傅氏變換后的形式，在此基礎上提出了針對cvt的最小二乘演算法以及基於傅氏演算法的補償演算法。
  13. A method for training a time - domain equalizer having at least one coefficient that includes estimating a channel, initializing the at least one coefficient of the time - domain equalizer, updating the at least one coefficient of the time - domain equalizer with the estimated channel, retaining the updated estimated channel, fixing the updated value of the at least one coefficient of the time - domain equalizer for at least a one - symbol duration, calculating a modulated symbol based on an output of the time - domain equalizer, calculating a second value for the estimated channel based on the modulated symbol, setting the estimated channel to the second value, and repeating the step of updating the time - domain equalizer through the step of setting the estimated channel to the second value until a predetermined condition has been met

    本發明系一種用以訓練一具有至少一系數之時域等化電路之方法，讓方法包含估計一通道；初始化該時域等化電路至少一系數；利用該估計通道來更新該時域等化電路之至少一系數；保留該更新之估計通道；維持該時域等化電路之至少一系數之更新值至少一符號周期固定；根據該時域化電路之一輸出，計算一調變符號；根據該調變符號計算一用於該估計通道之第二值；設定該估計通道等於該第二值；及重復更新該時域等化電路至設定該估計通道等於該第二值之步驟，直到符合預設條件為止。
  14. The second part, with the aid of many types constructive transformation and symbolic computation ( especially wu algebraic elemination method ), some topics in nonlinear evolution equation are studied, including exact solution ( solitary solution, periodic solution, rational function solutions and jacobian function solution ), backlund transformation, cole - hopf transformation, dromion solution and its construction etc. charter 2 introduces ac = bd model and its application about partial differential equations

    第二部分以構造性的變換及符號計算特別是（吳代數消元法）為工具，來研究非線性演化方程中的一些問題：精確解（如孤子解、周期解、有理解和雅可比橢圓函數解（雙周期解）等） 、 backlund變換、 hopf變換， dromion解及衰變結構等第二章介紹了求解pdes的ac = bd模式及其在偏微分方程中的作用。
  15. Rules for the presentation of graphical symbols - graphical symbols for use in the technical documentation of products - part 2 : specification for graphical symbols in a computer sensible form, including graphical symbols for a reference library, and require

    圖形符號表示規則技術文件用圖形符號第2部分：圖形符號包括基準符號庫中的圖形符號計算機電子文件格式規范及其交換要求
  16. So far, there is no effective method for the computation of focus quantities and saddle quantities. compared with the work of other authors, complex nonlinear integrating operation and solving multivariate linear equations are avoided in computation, which are necessary in more usual approaches. the calculation and simplification of focus quantities can be readily done with these formulas and computer symbol operation systems

    焦點量與鞍點量的計算至今尚無有效的方法，對比以往其他作者的工作，在計算方法上，我們避免了通常計算焦點量需要的非線性積分運算和求解多元方程組，使得焦點量極易在計算機上應用計算機符號運算系統進行快速計算和化簡。
  17. A symbolic algorithm for computing the symmetry of differential equations and it s implantation

    計算微分方程對稱的符號演算法及其實現
  18. In this proposed algorithm, the phase rotation can be compensated using higher order statistics, nonlinear transform of equalizer outputs, and decision feedback algorithm, the faster convergent speed can be obtained by introducing sign algorithm, and the mse can be reduced via employing decision feedback equalization algorithm

    該演算法充分利用高階統計量所包含的相位信息、均衡器輸出信息的非線性變換及判決反饋演算法來補償相位旋轉；利用符號演算法可以減少計算量的特點來加快收斂速度；利用判決反饋濾波器的性能來減小均衡器輸出的均方誤差。
  19. By using the solutions of a new auxiliary elliptic equation, a direct algebraic method is proposed to construct the exact solutions of some nonlinear evolution equations. the main difference between this method and previous auxiliary elliptic equation methods is that the balance order becomes smaller after using the new auxiliary elliptic equation. therefore, the derived algebraic equations are greatly simplified. meanwhile, the obtained new solutions contain more parameters to be chosen. for some special cases, they give the previous known solutions. it is shown that some new exact periodic solutions of some nonlinear evolution equations are explicitly obtained with the aid of symbolic computation

    利用一個新的輔助橢圓方程將求解非線性發展方程精確解的問題轉化為一個代數方程組進行求解，與已有的輔助橢圓方程法的主要不同是，應用這一新的輔助橢圓方程后降低了平衡次數，減少了所得的代數方程組的個數和方程的項數，從而大大地簡化了代數方程組的求解.同時，由於輔助橢圓方程的解中包含了更多的可選參數，從而給出了非線性發展方程的更多形式的解.作為應用，藉助于計算機的符號計算，求得了一些非線性發展方程的新的精確周期解
  20. Wolfram research is the creator of the excellent software - mathematica, which is the world ' s only fully integrated environment for technical computing

    Mathematica是美國wolframresearch公司開發的優秀數學軟體，它是當今世界用於科技計算的難得的一個完全集成環境下的符號運算系統。
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