有理微分組 的英文怎麼說

中文拼音 [yǒulǐwéifēnzǔ]
有理微分組 英文
rational differential system
  • 有 : 有副詞[書面語] （表示整數之外再加零數）: 30 有 5 thirty-five; 10 有 5年 fifteen years
  • 理 : Ⅰ名詞1 （物質組織的條紋） texture; grain （in wood skin etc ） 2 （道理;事理） reason; logic; tru...
  • 分 : 分Ⅰ名詞1. （成分） component 2. （職責和權利的限度） what is within one's duty or rights Ⅱ同 「份」Ⅲ動詞[書面語] （料想） judge
  • 組 : Ⅰ名詞1 （由不多的人員組成的單位） group 2 （姓氏） a surname Ⅱ動詞（組織） organize; form Ⅲ量詞（...
  • 有理 : 1 （有道理） reasonable; justified; in the right 2 [數學] rational; 有理函數 rational function; ...
  1. The former includes air - bearing table system, rolling base driving system, angular displacement sensing system, and two foldable flexible plates with piezoelectric patches bonded ; the latter includes sensing signal processing and actuation signal generating circuits, and computer system composed of pc and two tms320f240

    整個控制系統的處理器是一個由兩塊tms320f240和586微機組成的主從復合系統，通過對計算負荷的合理分配，有力地保證了控制的實時性。
  2. First, this paper gives an introduction of some methods of unequal probability sampling, their estimators and variance estimators, including sampling with pps with replacement, methods of sampling without replacement suggested by brewer, durbin, sampford, des raj, murthy, rao - hartley - cochran. then, at the basis of rao and bayless ' s study, we consider that population can be splited two random subpopulations, which are respectively drawn from different infinite super - populations, and compare the stabilities of estimators of the methods that given above. we find that the minor difference between two super - populations has great effect on the efficiency of the estimators for the population with moderately large coefficient of variation ( c. v. )

    本文首先從理論上介紹了若干種不等概率抽樣方法，它們的估計量、估計量的方差及其估計，其中包括有放回ppz及pps抽樣，不放回不等概率抽樣中的brewer 、 durbin 、 sampford 、 desraj ， murthy 、 rao - hartley - cochran等人的方法；其次，在rao和bayless兩人就樣本單元數n = 2的情形對上述抽樣方法進行比較的基礎上，將總體隨機地分成兩個子總體，視每個子總體取自不同的線性超總體，在文中，我們利用計算機實現隨機分組，並通過畫圖比較各方法估計量的穩定性，結果表明，對變異系數c . v . （ x ）較大的總體而言，兩個超總體之間的微小差異將對估計量的穩定性產生很大的影響，從而說明rao和bayless的比較結果還不夠完善。
  3. The non - linear partial differential ( integral ) equation often needs to be solved in the computational hydraulics, however, the mathematical theory of its numerical method has yet not been sufficient at present, for example, the development of some theories such as the strict stability analysis, error estimate and convergence proof has been unable to keep pace with the development of the numerical simulation method

    計算水力學中所求解的是非線性偏微分（積分）方程組，其數值方法的現有數學理論尚不夠充分，嚴格的穩定性分析、誤差估計和收斂性證明等理論工作的發展還跟不上數值模擬方法的進展。
  4. The static loading test for three group of testing piles of jiading power plant secend stage project are analyzed and studied in this thesis, and the practical applying of high - accurate data collector, technique of waterproof insulation and testing technique of burying in the body of pile are introduced also. the vertical and horizontal loading features of three group of piles of different kind and constructing technique in different earth layer at the pile point are analyzed and compared and summed up with basic integro - differential equation calculating the pile earth system load transmit, transforming principle of stress - deforming and pile body rating of burying electric measuring element. changing law of stress, and changing law of pile body shifting and bending for different testing piles under vertical and horizontal load are showed so that the loading features of soil layer and pile at testing spot, reliable design data for pile type and base for scientific construction technique are provided

    本文僅就嘉定電廠二期工程中的三根試驗樁的靜載試驗進行了分析和研究，利用樁土體系荷載傳遞分析計算的基本微分方程及應力-應變轉換原理，結合預埋電測元件的樁身率定，對三組不同種類、不同施工工藝、不同持力層中的樁的豎直、水平承載特性進行了分析、比較和歸納，通過大量、全面的實測數據，經過整理、轉換和推演，揭示了不同試驗樁在豎直、水平荷載作用下的應力變化規律和樁身變位、撓曲變化規律，最終提供試驗場地土層和樁的承載特性，為該工程合理設計樁型提供了可靠的設計參數，為確定科學的施工工藝提供了有力的依據。
  5. This paper deals with the following three topics with regard to the control of multiple manipulators : 1. deprive the kinematics and dynamical equations of two manipulators with identical structure on the basis of geometry theory, one of which has two links, giving the inverse solution to the kinematics of the system which consists of the manipulators and the grasped object ; 2. by use of load - distributing, design a controller coordinating multiple redundant manipulators whose parameters are known

    基於微分幾何理論推導出兩個具有相同結構的二連桿機器人的運動學逆解及與物體所成系統的動力學方程； 2在假設由多個冗餘機器人與物體組成系統的動力學模型確知的前提下，利用負荷分配法，設計了一種不僅能使關節力矩優化且能按照一定比例分配負荷的控制器，解決了以往控制器的一些缺陷，即忽視各個機器人的實際承載力，導致一些負荷力小的機器人卻必須承擔較大的負載，最終損壞機器人； 3
  6. In 1978, professor zhang hong qing uses the method of gebraic elimination and factorization in differential equations and successfully solve a great kind of the reducing problem of the over determined differential equations. he gives the method of " ac = bd " which used to solve the differential equations. recently, this theories have a new development, and he forwards the c - d integrable system and c - d pairs

    1978年，張鴻慶教授將代數消元和因式分解思想方法用於微分方程組，成功地解決了一大類超定微分方程組的約化問題，並提出解微分方程的「 ac = bd 」模式，近來這一理論又有了新的發展，提出了c ? d可積系統與c ? d對的概念。
  7. It mainly includes following aspects : in this paper, firstly implication of wavelet analysis in signal harmonic component extraction is presented in detail, and on this foundation signal given frequency band component extraction method is proposed. then we investigate frequency aliasing phenomenon, reason why frequency aliasing phenomenon is easy happened when wavelet is implied in field of motor fault diagnosis, and frequency bands where frequency aliasing phenomenon is easer happened, and put forward approved morlet wavelet analysis method which can effectively alleviates frequency aliasing phenomenon. third we set up vibration signal detected system, design experiments to obtain three groups of fault signals : eccentricity fault, mixed fault of eccentricity plus mild rub, mixed fault of eccentricity plus moderate rub, and process these data using analysis method proposed in this paper

    首先對論文的選題以及相關背景進行了探討，並對相關的小波基礎理論進行了闡述，主要針對感應電動機的偏心故障和偏心+碰摩復合故障形式及相關的應用演算法進行了詳細探討，主要工作內容包括下面幾個方面:在論文中，首先對小波分析在信號的諧波分量提取中的應用進行了研究，在此基礎上，提出了信號的特定頻帶成分的提取方法;研究了小波分析的頻域混疊現象，探討了小波分析應用於電機故障診斷領域時易發生頻域混疊現象的原因，以及混疊現象較易發生的頻帶，提出了可以有效減輕頻域混疊現象的改進的morlet小波分析方法;搭建了振動信號檢測系統，設計實驗採集得到三組故障數據:偏心故障，偏心+輕微碰摩復合故障，偏心+中度碰摩復合故障，並對這些數據應用本文提出的分析方法進行信號處理，提取出的特徵參數可有效區分這兩種故障形式;研究了基於matlab和labview的混合編程方法，完成了電機故障檢測系統的軟體開發。
  8. On the basis of photoelectronic dynamics, an energy model at room temperature that describes the cubic silver halide microcrystals not doped or doped with metal ion complex at deferent doping amounts is proposed, and then a series of differential equations describing the relationship between carriers number are set up

    本工作以光電子動力學理論為依據，建立了一種描述純鹵化銀微晶及摻有不同濃度金屬離子絡合物的鹵化銀立方體微晶在室溫下的能級模型，由此生成了一組描述粒子數關系的微分方程。
  9. Methods a set of mixed parabolic - gradient nonlinear equations was established based upon the principles of the developing neural biology, which was computed by the adi scheme and the modified euler ' s method

    方法根據神經發育原理，建立具有一定剛性的非線性混合拋物型偏微分方程組，運用adi差分格式和改進的歐拉法作數值分析。
  10. ( 1 ) based on two types of riccati equations, two kinds of new methods are proposed to obtain solutions of nonlinear differential equations. twelve families of exact solutions of wbk equation are found by using one of two methods ; ( 2 ) the homogeneous balance method is improved cind investigated to ( 2 + l ) - dimensional broer - kaup equation such that many families of new solutions are derived. ( 4 ) based on the isospectral lax pair of riccati form for generalized kdv equation with the force term, new darboux transformation and solitary - like wave solutions and rational solutions are obtained ; ( 4 ) by constructing darboux transformation and the superposition formula of generalized variable coefficients kdv equation with the force term, new single solitary - like wave solutions, double solitary - like wave solutions and rational solutions are found for ( 2 + l ) - dimensional generalized kp equation

    第二章和第三章考慮非線性偏微分方程的精確解的構造：首先給出了c - d對和c - d可積系統的基本理論，然後在第三章中具體研究了它們的應用： （ 1 ）基於兩種riccati方程，提出了兩種新的求解非線性微分方程更多解的方法，利用其中的一種方法，得到了wbk方程的12組精確解； （ 2 ）對齊次子衡法進行改進，以致於獲得了（ 2 + 1 ） -維broer - kaup方程的很多新解； （ 3 ）基於帶有外力項的廣義kdv方程的riccati形式的非等譜lax對，提出了該方程的一個新的darboux變換，利用該變換，得到了新的類孤波解和有理解； （ 4 ）通過構造了帶有外力項的變系數kdv方程的darboux變換及疊加原理，獲得（ 2 + 1 ） -維廣義kp方程的新的類單孤波解、雙類孤波解和有理解。
  11. In the present research, scanning electron microscope ( sem ), laser raman spectroscopy ( lrs ), x - ray photoelectron spectroscopy ( xrs ), x - ray diffraction ( xrd ) and electron probe micro analysis ( epma ) were utilized to investigate the difference in micro - structure and elements distribution between domestic and foreign pdcs. combined with analysis on current manufacturing process, the mechanism for the difference was discussed. scanning electron microscope ( sem ), laser granularity analysis, atom emission spectroscopy ( aes ) and plasma emission spectroscopy ( icpaes ) are also utilized to investigate the grain shape and impurities of key material - diamond power

    本課題採用掃描電鏡、拉曼光譜、光電子能譜、 x -射線衍射分析、電子探針等方法分析了國內外聚晶金剛石-硬質合金復合片在微觀組織結構、元素成分分佈方面的差異，結合對現有燒結工藝的分析，研討了造成這些差異的機理；採用掃描電子顯微鏡、激光粒度分析、原子發射光譜、等離子發射光譜等方法對關鍵原材料-金剛石微粉的晶形、雜質含量進行了比較分析測試。
  12. At the same time it inverses the tradition thinking mode - the market subdivides, the segmentation, targeting consumer, positioning. when opportunities cannot be found from the consumer and the competitor, you can use the mode which establishes a new localization theory frame based on the horizontal marketing. it will carry on the difference reorganization : seeks the targeted customer ’ s need, then from macroscopic to microscopic aspect to proof the feasibility of the method

    本文將進行從微觀到宏觀的思維轉變，利用水平營銷的思維建立新的定位理論框架，將現有的信息組合進行重組:差異化的尋找? ?目標客戶的選擇，然後從宏觀、中觀、微觀方面分析，論證方法的可行性，打破傳統的定位觀是從宏觀過渡到微觀。
  13. In the study of the qualitative theory of differential equations, especially in the study of the stability of differential equations, the estimate of solutions and the boundedness of solutions, gronwall - bellman - bihari inequality can be used as handy tools

    在探討微分方程定性理論中，尤其在探討微分方程（組）的穩定性、解的估計及有界性的過程中， gronwall - bellman - bihari不等式是一強有力的工具。
  14. In the latter, the non - linear dynamic stabilities of the single rotor system with a crack are researched. the non - linear differential equ ations have periodic coefficients. and using the stability theory of the periodic motion, it is discussed that the thickness of the disk, the position of the disk and the position of the crack have effects on the dynamic stabilities

    首先簡單討論了含裂紋的單盤轉子系統的線性動力穩定性，並與相關的文獻作出比較，驗證了等效線彈簧模型的正確性和精確性；然後，討論了含裂紋的單盤轉子系統的非線性動力穩定性，得到了一組具有周期系數的非線性微分方程組，且利用周期運動的穩定性理論進行了求解，深入討論了盤的厚度，盤所處的位置和裂紋所處的位置對轉子系統動力穩定性的影響。
  15. On the basis of classical shell theory and piezoelectric equations, existed a laminated shell ' s theory is improved and extended. with mindlin theory - one order shear theory, and considering both of shear deformation and rotating inertial effect, a set of vibration control differential equations, sensing equations and actuating equations of piezoelectric laminated shell are derived through its structure energy functions

    本文在經典殼體理論和壓電方程的基礎上，對已有的層合殼理論進行了擴展，並基於mindlin理論? ?一階剪切理論，同時考慮剪切變形和轉動慣性效應，從結構的能量泛函出發，推導獲得一組廣泛適用的壓電層合殼振動控制微分方程、傳感方程和作動方程。
  16. The paper describes the heat treatment at the temperature of 160, 250, 350, 400, 450 and 500, the dimension change and microstructural evolution of miniature fuel element plates after heat treatment. the result reveals that : the fuel plates did not deform after 60 days at 160 and 250, slightly curved after 60 days at 350 and 400, and heavily curved after 20 days at 450 and so did after 1 day at 500

    本論文介紹了微型燃料元件板（芯體u _ 3si _ 2 - al ，包殼為6061鋁）的熱穩定性實驗研究，在160 、 250 、 350 、 400 、 450 、 500溫度下經過一定的熱循環，測定燃料板的變形，進行微觀組織分析，結果表明：在160 400范圍四個溫度循環熱處理60天後，燃料板厚度變化均小於0 . 03mm ，在前兩個溫度下，基本沒有變形；在後兩個溫度下，燃料板稍有捲曲。
  17. In the wrscs, the self - consistent model is used to describe the complex configurations of the particulate composite and the temperature field is solved by weighted residual collocation method with some proper simplifications. this method provides a more efficient way of setting up the algebraic equations corresponding to the governing differential equations. the prediction formula for the effective thermal conductivity of the composite is obtained

    權殘自洽方法可以用於描述不同形狀夾雜的復合材料的微觀結構，通過對不同幾何形狀角點做適當的圓弧化處理，採用加權殘值數值計算方法的配點法將求解微分控制方程變為求解線性方程組，進而得到任意形狀夾雜內部的溫度場，建立含不規則形狀夾雜的復合材料有效熱導率的預測公式。
  18. First, the constitutive model of concrete based on micropiane theory is studied and the constitutive behaviors of high - strength concrete and steel fiber reinforced concrete are described. second, the material nonlinear finite element analysis program of concrete plate, shell and box - section structures is developed. third, the sttuctural behaviors of test beams are simulated by the program developed by the aathol in the first part, the constitutive model of concrete, a key matter of material nonlinear finite element analysis of concrete structure, is studied

    作為整個課題的組成部分，筆者的博士論文中進行了以下幾個方面的研究： （ 1 ）基於微平面理論的混凝土本構模型的研究和基於該理論的高強混凝土與鋼纖維混凝土本構行為的描述； （ 2 ）混凝土板、殼及箱型結構非線性有限元分析的研究； （ 3 ）預應力高強混凝土變截面箱型連續梁結構行為的數值模擬。
  19. But, because of the partial volume effect of the organism, directly processing of the gene microarray data will make that the characters extracted are not those of the biology genes, which will reduce the measurement sensitivity of the gene features

    但是，機體組織所具有的部分體積效應，使得對基因微陣列數據的直接處理將造成所提取特徵不是真正的生物基因特徵本身，嚴重降低基因特徵測量的靈敏度和指向性。
  20. The automatic differentiation available just can handle a derivative unit. usually, the code of a derivative unit just includes fixed composition

    現有的自動微分工具通常只能處理一個微分單元的微分，一個微分單元的代碼通常只包括固定的組成結構。
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