transformation of variables 中文意思是什麼

transformation of variables 解釋
變數變換
  • transformation : n 轉變，變化；變形；【生物學】（尤指昆蟲的）轉化，變態，改造，改革；變質；【數學】變換；【電學】...
  • of : OF ＝Old French 古法語。
  • variables : 變量
  1. Introducing a class of generalized fibonacci sequences with double variables, we establish the relation with aitken, secant, new - raphson, halley transformation etc., generalize the results of many authors. furthermore, we give a more general generalization of q - matrix

    通過引入一類雙變量的廣義fibonacci序列，建立了其與aitken 、 secant 、 newton - raphson 、 halley等變換的關系，進而給出了q -矩陣的一個更廣泛的推廣。
  2. Lastly, it will emphasize that while the particular international structure provides systemic constraints and fundamentally formulates foreign policies of particular states, the systemic pressures are translated through unit - level intervening variables, and that some unit - level factors largely determine the specific transformation process of the atlantic alliance and nato

    現實主義的解釋強調人們應該繼續關注國家尤其是大國對於它們在特定國際結構中相對權力地位以及安全目標的追求動機。同時，我們需要注重研究單元層次上的國內政治因素和國家決策層的解讀因素對于形成國家對外政策行為和具體國際結果的干預作用。
  3. Functions of complex variables integral transformation

    復變函數與積分變換
  4. In section 4, by making use of the fourier transformation for spatial variables and starting from the nonparaxial propagating equation of ultrashort pulsed beam in temporal frequency domain, the nonparaxial solution basing on the paraxial propagating solution was derived, which come to exact solution by iterative of the paraxial integral solution

    在第四節里，通過採用空間變量的傅立葉變換和利用時間頻率域下的非傍軸傳輸方程，我們得出了超短脈沖光束傳輸的非傍軸的修正方法。
  5. Presents a new algorithm for detection of collision between two convex objects to improve the efficiency of collision detection during robot path planning in the robot simulation system, which establishes a linear system whithout variables based on a linear equation system in euclidean space through a series transformation, and concludes that collision is detected if the system contains no dilemma

    如何進一步提高碰撞檢測的速度在智能機器人路徑規劃中非常關鍵.為此給出了一種新的碰撞檢測演算法；它是以空間中的平面方程為基礎，將一組平面方程進行幾次代數變換得到一組常數不等式，觀察這組常數不等式中是否含有矛盾不等式即可判定機器臂是否與空間中的障礙物相撞
  6. After a careful comparison we found : ( 1 ) rotating the coordinate system around the z - axis for each event is necessary for the relaxation of the correlation between thrust ( or sphericity ) major - minor frame and the direction of the first hard gluon emission. ( 2 ) the horizontal factorial moments ( hfm ) are equivalent to the vertical ones ( vfm ) only after cumulant - variable transformation. therefore, in the study of nonlinear phenomena in high energy collisions the hfm can be used only in combination with the cumulant variables

    工jlnfy4ww ； 6標系與發射第一個硬膠子之間的關聯效應，從而觀察到全部強度的動力學起伏；證明了：只有在引入累積變量以後，橫向矩才等於縱向矩，從而也才等效于幾率矩，困而只有在這時，橫向矩才能被使用；論證了：對eb對撞末態粒子系統動力學起伏的研究只能在全相空間進行，而不能用限定的相空間，因而只能採用丟掉最初的一個或幾個點的方法消除動量守恆對相空間標度特性的影響。
  7. In general, these studies are primarily based on the theories of financial restraint and financial deepening initiated by r. i. mckinnon and e. s. shaw, either stressing the urgency of china ’ s interest rate liberalization, its international experience, target orientation, mode selection, sequencing, conditional creation, risk control and the transformation of the monetary policy conduction mechanism, or such problems as the effect of reform on each economic party, positive examination of the real interest rate, savings mobilization, investment quality, relativity between the variables in economic growth as well as the interest rate sensibility in economic sectors of different ownerships

    總的看來，這些研究基本上以麥金農和肖所開創的金融抑制?金融深化理論為依據，或是側重於討論我國利率市場化改革的必要性迫切性、國際經驗、目標定位、模式選擇、次序安排、條件創造、風險控制以及貨幣政策傳導機制的改造等問題，或是側重於分析改革對各個經濟行為主體的影響，再者就是實證考察實際利率、儲蓄動員、投資質量、經濟增長各個變量之間的相關性和不同所有制經濟部門的利率敏感性。
  8. The strong deviation theorems are new type theorems established by using the notion of the likelihood ratio. professor liu wen frist applied an analysis method in solving a class of strong deviation theorems for a sequense of random variables. later professor liu wen studied the shannon - mcmillan theorem in information theorems [ 2 ] - [ 8 ] and deviation theorems of non - negative continuous random variables [ 10 ] - [ 11 ] by using the analytic technique and obtained some strong deviation theorems. the chapter 2 of the paper studied a class of strong deviation theorems of function of two variables of information sources and obtained a further study of shannon - mcmillan theorem of markov information sourses by definning the using concept of entropy density divergence. the chapter 3 of the paper studied a class of strong deviation theorems of non - negative continuous random variables by using tool of transformation of laplace. information theory, as a branch of applied probability theory, becomes more and more important in appling

    劉文教授在解決大數定律中，用首創的分析方法得到一類隨機變量序列的強偏差定理。后來，劉文教授把分析方法用於信息論中shannon - mcmillan定理和連續型隨機變量的偏差定理的研究，得到了若干強偏差定理。本文的第二章是引進任意信源相對熵密度偏差的概念，並利用這個概念研究任意信源二元函數的一類強偏差定理，得到了馬氏信源shannon - mcmillan定理的一個推廣。
  9. Motion control is a comprehensive subject. modern ac drive is a important embranchment in the field of motion control. however, it is difficult to rea1ize high - performance ac drive systems because induction motors are a kind of strongly - coupled nonlinear system with many variables and the torque is not easy to control. with vector control technology decoupling and torque control of ac motor are solved. the basic idea of vector control is that three - phase system is equiva1ent to two - phase system by coordinate transformation and it realizes the decoupling between field current and torque current of the stator in order to control the flux and current respectively, thus induction motor can be considered dc motor and high performance is achieved easily. with the progress of electric and electronic technology and the development of computer, high - integrated special modules and high - precision digital signal processor ( dsp ) are applied to ac drive so that vector control has been developed rapidly

    但是高性能的交流調速系統實現很困難，這是因為交流電機是多變量、強耦合的非線性系統，不易實現高性能轉矩控制。矢量控制技術則解決了交流電機解耦與轉矩控制問題，其基本思路? ?應用坐標變換將三相等效為二相，實現定子勵磁電流分量與轉矩電流分量之間的解耦，達到對交流電機磁鏈與電流分別控制的目的，交流電機等效為直流電機實現高性能調速。隨著電力電子技術的進步，計算機技術飛躍發展，高度集成的專用模塊和高精度的數字信號處理器應用於交流傳動系統中，促進矢量控制迅猛發展，日趨成熟。
  10. Professor wenqian ' s theory of market types includes : the objective basis of distinguishing the market types is the comparison of market power between buyers and sellers ; the market types are determined by the market structures which are formed by values, prices, supply demand and market competition ; the typical sellers ' market, buyers ' market, balanced market, deformed sellers ' market and deformed buyers ' market have different characteristics in the structure factors and the run - mechanism ; market value and market volume are the main variables that cause transformation of these market types

    摘要聞潛教授的市場類型理論認為： （ 1 ）劃分市場類型的客觀依據是賣方與買方市場經濟力量的對比； （ 2 ）由市場價值、市場價格、供給和需求、市場競爭所構成的市場結構決定市場類型； （ 3 ）典型賣方市場、典型實方市場、均勢市場、畸型賣方市場、畸型買方市場在構成要素和運行機制上有不同的特徵； （ 4 ）市場價值和市場容量是引起市場類型轉化的主要變量。
  11. A new decoupling control strategy of magnetic suspension forces is put forward using the transformation of variables and reference frames for the proposed bearingless motor

    利用混合式轉子無軸承電機的轉子特點，將磁懸浮力模型轉變為電流空間矢量方程，提出了一種新的磁懸浮力解耦控制方法。
  12. 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
  13. Secondly, the main stuctures of the software and hardware parts of the control system are introduced. principles and realization of the main functional blocks of these two parts are illuminated. on the hardware of the system, parts of control circuit and the design and debugging of peripheral circuits are discussed thoroughly. based on the hardware circuit, the software is programmed with assembly language. dual close loop vector control weth feedback of speed and current are realized. the flow charts of main programme and pwm interrupt service routines are given. the important control strategies of vector control pmsm such as current sensint and scaling, speed sensing and scaling, bector co - ordinate transformation, generation of sine and cosine, pi regulators, svpwm vector modulation and so on are all accomplished in the pwm interrupt sevice routines. in order to unite all the variables in the programme, scaling is used

    硬體方面主要論述了控制電路各部分及外圍輔助電路的設計和調試。在硬體的基礎上，軟體採用匯編語言編程，實現了轉速和電流雙閉環矢量控制。給出了系統主程序和pwm下溢中斷處理程序流程圖， pmsm矢量控制的主要控制策略如電流采樣與定標、速度采樣與定標、矢量坐標變換、 sin和cos值生成、 pi調節、 svpwm波形生成等都是在pwm下溢中斷服務子程序中完成的。
  14. Equality condition of retaining the independence of normal random variables under linear transformation

    正態隨機向量線性變換獨立不變性的充要條件
  15. This paper discusses the target of loops optimization and various methods of program transformation which can significantly reduce the access time to subscripted variables, diminish some types of dependence, increase the " depth " of software pipelining, and merge some iterations of loops in order to make code compaction easier

    程序變換可大大減少下標變數的訪問時間；消除某些類型的相關，提高軟體流水的「深度」 ；合併多個循環，有利於進行代碼壓縮。
  16. 2. based on the ( q, h ) - deformed quantum plane by benaoum, we establish the transformation formulae of arbitrary degree power of two variables on the ( q, h ) - deformed quantum plane. furthermore, we give the ( q, h ) - analogues of multinomial theorem, binomial reciprocal formula, chu - vandermonde identities and a pair of new double - index series inverse formula

    在benaoum在引入的（ q ， h ） -量子變形平面的基礎上，首先建立了（ q ， h ） -量子變形平面上的變量的任意次乘積的變換公式，進而給出了多項式定理、二項式反演、 chu - vandermonde恆等式等結果的（ q ， h ） -模擬以及一對新的雙指標級數互反公式。
  17. By adopting appropriate transformation, this paper transform the heat conduction equation with internal heat source into a non - source heat conduction equation, and then solve the problem successfully by the method of separation of variables

    其關鍵方法是：通過將電場量引入溫度場方程，作適當變換，把含內熱源的熱傳導方程轉化為不含內熱源的熱傳導方程，然後採用分離變量法進行求解。
  18. In the couse of partial evaluation transformation, partial evaluator will require the information of parameters of original program to judge the state of every variables and expressions in original program, and determine the mode to deal with these variables and expressions

    在部分求值處理過程中，需要向部分求值器傳遞原始程序的參數動靜狀態信息，以便部分求值器判斷原始程序中每個變量和表達式的狀態，並決定處理這些變量和表達式的方式。
  19. Transformation of physical variables between grid - point space and spectral space is required

    氣象變數須在格點空間與頻譜空間之間作出變換。
  20. This paper makes a research on the effect of china ' s accession to the wto on fdi in china. the first part introduces the wto agreements which are related to fdi and china ' commitments. the second part studies the entry mode choice of mnes after china acceded to the wto. empirical study is done with the method of econometrics to try to find the relationship between tariff rate and fdi in china and two other developing countries which have already been members of the wto. the third part analyses the effect of china ' s accession to the wto on the different sources of fdi by studying the status quo of different sources, the intensity index of fdi, the industry structure, the motives and strategies of investment of the major sourcing countries and regions. the fourth part studies the transformation of the variables that influence the form of fdi after china ' s accession to the wto and the change of three different forms of foreign direct investment enterprises from jan. 2001 to aug. 2002

    首先從關于跨國公司進入方式選擇的理論入手，採用計量經濟模型進行實證研究，以分析加入wto對跨國公司出口與直接投資兩種進入方式選擇的影響。其次通過對我國外商直接投資來源結構的現狀、主要國家和地區對華投資強度、行業結構、投資動機和投資戰略的研究，分析入世對外商直接投資來源結構的影響。最後通過分析加入wto后影響外商直接投資方式各變量的變化和外商直接投資方式的初步變化，分析加入wto后外商直接投資方式的發展趨勢。
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