數學算符 的英文怎麼說

中文拼音 [shǔxuésuànfú]
數學算符 英文
mathematical operator
  • 數 : 數副詞（屢次） frequently; repeatedly
  • 學 : Ⅰ動詞1 （學習） study; learn 2 （模仿） imitate; mimic Ⅱ名詞1 （學問） learning; knowledge 2 （學...
  • 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 : Ⅰ名詞1 （符節） tally （with two halves made of wood bamboo jade metal issued by a ruler to gener...
  • 數學 : mathematics
  1. This paper uses numerical analysis methods to simulate two fighters fighting in the air by computer and researches all the problems at different postures of the fighters when fighting. the mathematical modeling is preliminarily researched and designed during the air action emulation of two fighters. a sort of description means which is found is more realistic for the simplified modeling of the fighters

    本文利用數值分析方法通過計算機模擬模擬戰斗機的空戰過程，研究戰斗機在各種空戰態勢下的戰斗使用問題，對雙機空戰模擬中的飛機數學模型進行初步研究與設計，找到一種較為符合實際的飛機簡化模型描述方法。
  2. The basic dynamic variables are then the operators associated with the creation and annihilation of quanta.

    基本動力學變數是與產生和消滅量子相聯系的算符。
  3. Static mathematic model of drum accommodation and control is presented, and instruction model control strategy of sample intervals is presented based on differences between characteristic equations of lifting frame and characteristic equations of top and bottom board change among the sampling spots, the rules of this method are few, simple, easy to operate and meet controlling demands

    給出了滾筒調控靜態數學模型，並根據調高機構的調控特徵方程與采樣點間頂底板變化特徵方程的差異，給出了在其采樣區間內的指令式控制策略，其方法的規則條日少、簡單易運算、符合實際控制要求。
  4. In this diploma thesis, the statistic and structural characteristic of musical score image is analyzed and synthesized by relevant technology of image project, pattern recognition, mathematical morphology, software engineering, music knowledge, midi and so on. the concept of direction number has been defined, and then the mathematical morphology theory is used to process musical score image and recognize musical information. specialized direction number algorithms are firstly used to preprocess a musical score image and then recognize stafflines, barlines, pitch, note values, clef, etc. finally the musical information of the musical score image is automatically stored in the midi format

    本文利用圖像處理、模式識別、數學形態學、音樂知識庫與midi等相關技術，分析與綜合數字樂譜圖像的統計與結構特徵，提出了方向數等概念，對樂譜圖像進行處理，利用直方圖技術與方向數演算法識別譜線、小節線、符乾等樂譜的主要框架，然後用數學形態學理論識別音高與時值，最後根據這些音樂信息，組合成音樂樂譜信息，並自動轉化成midi格式。
  5. Based on the above, another mathematics model for calculation about saturation index ( complex compounds considered / unconsidered ) which can reflect water - rock interaction ' s state has been built up, moreover newton - raphson which is a iterative way has been used to resolve the mathematics model, the results show that si ' s value accord better with practice when complex compounds are considered.

    在此基礎上，建立了旨在反映水-巖（或礦物）系列間反應狀態的飽和指數si的數學模型，採用newton - raphson迭代法進行求解。在計算中，分別考慮絡合物的影響和不考慮絡合物的影響。結果表明，基於考慮絡合物的影響所求得的si值比較符合實際。
  6. This thesis was divided into eight chapters, and the main results and innovations obtained here can be summarized as follows : ( 1 ) the physics model of tsrs in frequency conversion crystals has been built up firstly. based on quantum - mechanical viewpoints and the following physical processes and parameters : the two - photo interaction of light with matter, paraxial diffraction of stokes, langevin noise sources, reflection at the faces and the edges of crystals, gain coefficient, beam aperture, pulse width and fluence of 3, the physics model of tsrs in kdp and kdp crystals acting as high - fluence frequency convector and the paraxial operator maxwell - bloch - langevin equations have been built up

    全文共分八章，取得的主要成果及創新點如下： （ 1 ）首次建立了諧波轉換晶體的tsrs物理模型本文根據量子力學原理，在考慮如下物理過程和參量的基礎上：光與物質的雙光子相互作用； stokes光的傍軸衍射； langevin （郎茲萬）噪聲源；晶體表面反射和端面反射；增益系數、光束口徑、脈寬和三倍頻光能量密度，推導出高通量激光在kdp和kd ~ * p諧波轉換晶體中的tsrs物理模型和空間上的近軸算符maxwell - bloch - langevin方程組。
  7. This paper is an academic thesis about remote sensing information model and geographical mathematics. the author have studied a lot of remote sensing information models and geographical image information models. according to geographical regularity the author advance non - linear mathematics method which is geographical complex phenomena both of certainty and uncertainty to combine in an equation. that is from formal logic inferring to dialectical logic calculation. moreover, it is from abstract thinking to both of abstract and visualized thinking, which is image joining equation calculated. make a suggestion that the geographical parameters are different from the physics variables. thus initiate based on geographical science for mathematics. there are 4 parts as follows in this paper : the regularity of geographical phenomena ; general equation of remote sensing information model ; geographical parameters and geographical indexes ; significance of geographical image information models

    從大量的遙感信息模型，地理圖像信息模型的實踐中，提出符合地理科學自身規律的非線性數學方法，解決了確定性與不確定性結合的宏觀復雜性問題。從形式邏輯推理發展到辯證邏輯的計算，從抽象公式的計算發展到抽象思維與形象思維結合的公式與圖像結合的計算。提出了物理變量與地理參數的區別，從而開創了以地理科學為背景的數學研究，進而為發展地理數學奠定了基礎。
  8. With applying dsst algorithm, mobile agent can solve the problem of selecting router. synthesizing advantages of centralized search engine and distributed search engine, through it that system obtains the best way that agents mobile does. after statistics analysis, the author gets the mathematic pattern that mobil agent clones right times

    利用idl語言定義了agent在多種平臺上移動的介面，設計了一個符合maf規范的插件，實現agent在異種平臺之間的移動；利用動態最小生成樹演算法解決移動agent的路由選擇問題，綜合集中式搜索和分散式搜索的特點，動態尋找出一條agent移動的最佳路線；通過統計分析得到移動agent克隆的數學模型，通過計算可以獲得agent克隆個數的最佳值。
  9. These operators perform mathematical calculations

    這些運算符執行數學計算。
  10. The reduction request knowledge of background and meet with standard of data mining. decisive tree algorithm of id3 is used to prove the validity of feature reduction and to generate intrusion detection rules

    粗糙集約簡具有扎實數學理論基礎，不需要背景知識，符合數據挖掘的要求。用id3決策樹演算法去印證約簡的有效性和檢測的時間效率並生成檢測規則。
  11. In the last part, the relationship of the field current with the operational factors of the turbo generator is difficult to express exactly, belonging to the complexity of building the generator model and the difficulty of identifying generator parameters, gp algorithm is presented, which is better than other method in symbol regress

    由於發電機的建模與參數辨識困難，發電機勵磁電流和機端量之間的關系難以用精確的數學表達式來描述。利用gp演算法在符號回歸中的應用，得出發電機勵磁電流和機端量之間的關系表達式，用於故障診斷，並通過算例驗證了該方法是有效的。
  12. The resolution not only constitutes temporary criterio n to ship ' s maneuverability, but also puts forward to adopting math model to prediction of computer calculation in design phase. in addition, with development of the inland river shipping project, the scale of the inland river ship and fleet becomes more and more huge, especially for those hvge fleet which can be look on as corpulent ship with shallow draught. to ensure the security of the navigation, the special maneuverability is needed for them to passing through the bridge safely

    該決議在制定了船舶操縱性標準的同時，還提出在設計階段可採用數學模型進行計算機模擬預報來作為驗證符合標準的依據。另外，隨著內河航運事業的發展，內河船舶和分節頂推船隊的規模越來越大，特別是編隊龐大的頂推船隊，可以視為淺吃水的肥大船型，為保證航行安全，特別是順利通過大橋，對其操縱性也有特殊的要求。
  13. A generalization of arithmetic in which symbols, usually letters of the alphabet, represent numbers or members of a specified set of numbers and are related by operations that hold for all numbers in the set

    代數學計算的普遍原理，其中通常為字母表中字母的符號，其代表數字或一組特定數字中的幾個數字，它們通過對組中全部數字都適合的運演算法則相聯系
  14. The program of data processing in determination of percent released of pharmaceutical preparation was developed ; two modules included in this program are connected but independence each other, one module calculate percent released, one module regress equation ; determination of percent released of pharmaceutical preparation, comparison of released curve in one reference frame and modeling mathematics model were realized by running this program. the program of formulation optimization based on artificial neural network was compiled to solve the nonlinear problem in formulation optimization. provided parameters were used to predict the released amount of a set of formulations

    簡便，其計算結果與現有其他程序計算結果基本一致：開發固體制劑體外溶出試驗數據處理程序，程序運行時分為計算累積釋放百分率和優選最佳數學模型兩個相互連接又各自獨立的環節，實現了累積釋放百分率的自動計算，同一坐標系下釋放曲線的直觀比較，常用數學模型的擬合；開發基於人工神經網路的處方優化系統，解訣處方優化這一多目標、非線性優化問題，利用符合擬合精度的訓練結果預測給定處方的釋放度，預測結果與實驗結果基本相近。
  15. Based on the experimental data, a melting mathematical model has been set up. the calculated melting rate of scrap was consistent with experimental value

    摘要在油氧火焰熔化棒體實驗基礎上，通過建立數學模型，與實驗進行對比研究。結果表明：實驗結果與熔化數學模型計算棒體的熔化速度相符合。
  16. A full mathematical model of optimal flow pattern design withengineering constraints was put forward, based on modern optimal control theory. an optimal flow pattern design was presented for optimizing meridional channel of axial flow turbine. according to integral optimization of turbine stages, a full physical model and mathematical expression were put forward for proposition of optimal flow pattern, including all performance parameters in turbine stages. this problem was further recast into a typical form control to maximize specific performance index such as work or efficiency of stage with given initial state, fixed terminal condition and constraints for part of state terminal variables. the program was also worked out according penalty function method and conjugate gradient method. the optimal distribution of c1ur1 ( r1 ) was obtained according to constraint conditions and maximized objective function

    把近代最優控制論方法引入軸流透平葉片的設計，在優化的軸流透平子午通道內，建立包括透平級內所有性能參量的最優流型命題的完整的物理模型及其數學表達式，並歸化為一個在給定初始狀態、自變量終端固定、部分狀態變量終端受有約束的條件下，使級的某一性能指標（如級的功率）達到最優的最優控制問題，應用「代價函數法」及「共軛梯度法」編制計算程序，計算得到符合給定約束條件、並使目標函數取極值的最優環量分佈，結果是令人滿意的。
  17. 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。
  18. Focusing on the present reform in the basic educational system and the formulation and implementation of the new standard of the curriculum of mathematics, we herein probe into the rationality of new teaching method of collective - teaching - plus - individual - tutorial on the one hand, and on the other hand, sum up the experience we ' ve drawn from this attempt so as to better improve the theory and put it into more practical use in teaching. this, however, is what we consider to be the key of success of this new teaching method

    本文的寫作立足於我國當前的基礎教育改革、數學新課程標準的制訂與實施，一方面是對分層遞進式教學組織形式的某些符合教育教學規律的因素作深層次的剖析，另一方面是對這場教學實驗已取得的成果與經驗作出認真的總結，以進一步促進分層遞進式教學理論的成熟與發展，進一步指導分層遞進式教學的實踐特別是計算機輔助教學（ cai ）參與分層遞進式教學的實踐，這也是分層遞進式教學模式能否深入發展、推廣的關鍵所在。
  19. Loosely, a mathematical or logic operator

    不嚴格地說，一種數學或邏輯運算符。
  20. Using this expression to calculate the optimum rare - earths oxides ( nd2o3, ceo2 and la2o3 ) content of zinc oxide varistor, the quantitative calculation results are in accordance with the experimental results approximately. the double shottky potentical barrier was showed in form of catoon using flash, from which we can comprehend the conduction theory of zinc oxide varistor. the electrical properties of varistor can be improved depend on it

    運用固體物理、半導體和電子薄膜材料的相關理論，建立數學模型，推導出了最佳摻雜含量的理論計算式，並將之推廣到高溫燒結的氧化鋅壓敏陶瓷材料，運用這一計算式定量計算ndzo3 、 ceoz和lazo3等稀土摻雜的最佳含量，計算結果與本文的實驗結果比較符合。
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