特徵方程式 的英文怎麼說

中文拼音 [tèzhǐfāngchéngshì]
特徵方程式 英文
characteristic equation
  • 特 : Ⅰ形容詞（特殊; 超出一般） particular; special; exceptional; unusual Ⅱ副詞1 （特別） especially; v...
  • 徵 : 名詞[音樂] （古代五音之一 相當于簡譜的「5」） a note of the ancient chinese five tone scale corre...
  • 方 : Ⅰ名詞1 （方形; 方體） square 2 [數學] （乘方） involution; power 3 （方向） direction 4 （方面） ...
  • 程 : 名詞1 （規章; 法式） rule; regulation 2 （進度; 程序） order; procedure 3 （路途; 一段路） journe...
  • 式 : 名詞1 （樣式） type; style 2 （格式） pattern; form 3 （儀式; 典禮） ceremony; ritual 4 （自然科...
  • 特徵 : characteristic; feature; properties; aspect; trait
  • 方程式 : capeta
  1. 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。
  2. Based on the research to the stability variable cross - section beam, the bending defection differential equation of the variable cross - section beam in critical state of bucking is established. according to the edge condition of the structure, the differential equation is solved and bucking equation of variable cross - section beam is created. we can get the algorithm which can be used to calculate the equivalent inertia moment of the variable cross - section lattice structure when it is regarded as constant cross - section of solid web beam

    對變截面格構式構件的穩定性計算進行了初步的研究，通過建立變截面構件臨界狀態下彎曲變形的微分方程，根據變形邊界條件，得到了兩端鉸支的變截面梁失穩特徵方程，提出了幾種特殊形式的變截面格構式構件等效為等截面實腹式構件時等效慣性矩的計算方法。
  3. The equations of the mean value functions and the covariance functions are established for dynamical systems whose inputs are fuzzy stochastic processes. an existence and uniqueness theorem of ito fuzzy stochastic differential equations is proved, some explicit representations of solutions and the equations of statistical characteristics are deduced for linear fuzzy stochastic differential equations, and numerical methods to nonlinear fuzzy stochastic differential equations are proposed, the conditions for stability and observability of fuzzy linear systems are derived. the kalman filter algorithms of linear fuzzy stochastic systems are brought forward

    主要成果包括：提出了模糊隨機變量協方差和反向協方差的概念；研究了二階模糊隨機變量的均方收斂性，並在此基礎上得到了均方模糊隨機分析、平穩模糊隨機過程及其譜分解的若干定理；根據均方模糊隨機分析理論，得到了輸入為模糊隨機過程的線性系統的輸出輸入統計特徵關系方程；證明了ito型模糊隨機微分方程解的存在唯一性，並給出了ito型線性模糊隨機微分方程解的表達式，統計特徵方程以及非線性模糊隨機微分方程的數值解法；得到了模糊線性系統的穩定性和可觀性條件、線性模糊隨機系統統計特徵方程和線性模糊隨機系統的kalman濾波演算法；研究了當觀測值是模糊數據時，線性回歸模型的建立。
  4. By using the eigenfunction expansion technique, a one - dimension finite element formulation is then developed to determine the eigensolutions to the 2d heat conduction problem at the crack tip, which discretizes the sectorial domain circumferenially

    利用特徵方程展開方法，可獲得分析裂紋尖端處二維熱傳導特徵解的一維有限元列式。
  5. The first order weakly - guiding approximation for the eigenvalue equation of hybrid modes in a step - index optical fiber

    階躍光纖中混合模式特徵方程的一階弱導近似
  6. The simplified geometric nonlinear theory is used in post - buckling analysis. galerkin method is employed to derive the eigenvalue equation of the shell containing initia l geometrical imperfections. the buckling critical load is get. the program for calculating the buckling critical load is developed and the numerical example is given.

    採用簡化的幾何非線性理論，進行了后屈曲分析，應用galerkin法推導得到了含有初始幾何缺陷的編織復合材料圓柱殼的屈曲特徵方程，得到了臨界荷載的計算公式，編制了相應的計算機程序，並給出了具體算例，得到了一些有益的結論。
  7. Concludes a concrete form of the criterion equation of ventilation efficiency by the regression analysis of the experimental and numerical simulation data in literatures

    對有關文獻中的實驗和模擬計算數據進行了回歸分析，獲得了通風效率特徵方程式的一種具體形式。
  8. This paper systematically analyzes the environmental effect of the ebinur lake area dynamic change and its influence on the railway along the lake, and the research establishes water balance equation of the ebinur lake, chooses the two characteristic phases, 1991 1992, 1998 1999, for computing, and concludes that since 1990s, water storage whether in low water period or in high water period is less than that of 1960s, whose lake area was 800km2, and this area basically can reach the target of optimal eco - environment benefit

    本文系統地分析了艾比湖湖面動態變化的生態環境效應及其對沿湖鐵路線的影響。並通過艾比湖水量平衡方程式的建立，選擇1991 1992年（枯水時段） 、 1998 1999年（豐水時段）兩個特徵時段進行計算分析，得出20世紀90年代以來，不論是枯水時段儲水量，還是豐水時段儲水量，均小於20世紀60年代湖泊水面保持800km2所需水量，而此水面基本可以達到湖區生態環境效益最佳的目標。
  9. The magneto - elastic motion equation and the electrodynamic equation of the thin strip conductive plate in a leaning magnetic field are derived on the basis of the principle magneto - elastic theory, and the characteristic equations of the vibration of the plate supported along two long sides are obtained as well

    摘要以磁彈性基本假設為出發點，給出了傾斜磁場中無限長條形薄板的磁彈性運動方程及電動力學方程，並推得了兩長邊簡支薄板的磁彈性振動特徵方程式。
  10. The goal of this paper is to obtain a method that can compute the kc parameter of each higher mode rapidly and precisely, and then write corresponding programs. on the basis of foreign and domestic references, after carefully comparison, the transverse technique of the mode matching method is adopted in this paper

    本課題的研究目標旨在得到一種能快速、精確地計算脊波導中主模及各高次模kc的有效方法，並編制相應的程序。在廣泛查閱國內外相關資料的基礎上，反復比較，本文採用了模式匹配法的橫向諧振技術以得到有關kc的特徵方程。
  11. A method is proposed for the parameter identification of the viscoelastic internal dampers of the multirotor systems in this paper. the multi - rotor system is regarded as a composite structure. the impedance matching method in the substructure method for structural dynamic analysis is used for the dynamic calculation of the structure. the augmented lagrange method is applied to the iteration calculations of the characteristic determinant of eigenvalve equation of the system. and then the results of parameter identification can be obtained. upon the dynamic characteristics of the system, the method can reveal the influence of the gyroscopic moments of force precisely. in process of the analysis, the various properties of multi - rotor systems are made the best use of, so the measure of the modes parameters is avoided, the calculation is simplified. in addition, an efficient method is proposed to establish a dynamic model of multirotor systems with viscoelastic internal dampers. the calculating results are consistent with the experimental results satisfactorily

    提出了多轉子系統的粘彈性中間彈支參數辨識的一種方法.該方法把多轉子系統看作復合結構，用動態子結構分析的阻抗匹配法計算動力學特性，用增廣拉格朗日乘子法迭代計算系統特徵方程的系數行列式，獲得系統物理參數的辨識結果.該方法可以準確計入陀螺力矩的影響，避免測量振型參數.在分析中，利用多轉子系統的特性可簡化分析過程.文中還介紹了一種建立粘彈性彈支多轉子系統動力學模型的方法.計算結果與試驗結果基本一致
  12. It result in water level rising, hypo - salinification aggravating, sediment silting up, the lake atrophy, marsh extending and nature disaster such as droughu waterlog ^ salinification occurring frequently. completely analysis to geology and hydrology conditions of the district along yellow river in shandong has been applied in this paper and aquifer ' s hydrological characteristic and subsurface flow ' s characteristic have been analysed as keystone in the paper. after finding out the distribution rule and formation conditions of the shallow layer " s ground water resource, divide the district into three hydrological sections according to hydrological conditions and subsurface flow characteristic

    本文對山東沿黃地帶地質、水文地質條件進行了全面系統的分析，並重點分析了區內含水層的水文地質特徵及地下水運動特徵，進一步查明了淺層地下水資源的形成條件和分佈規律，根據水文地質條件及地下水運動特徵，劃分出三個水文地質區，劃分並論證了粘土裂隙含水層的形成及供水意義；確定了科學的水文、水文地質參數，為準確地計算淺層地下水資源奠定了可靠的基礎；根據淺層地下水資源形成特點，建立了地下水均衡方程式，據此，計算了區內淺層地下水資源及淺層地下水可采資源。
  13. Under the perfect model assumption, the characteristic equations for the setpoint change and load disturbance are distinct and include the process model and the controller designed to handle each disturbance

    在假定準確的模型前提下， pec控制對設定值改變和存在干擾的特徵方程式是獨特的，其中還包括了過程模型和控制器處理各種擾動的設計。
  14. The characteristic approximation is used to handle the convection part along the direc - tion of fluid namely characteristic direction to ensure the high stability of the method in approximating the sharp fronts and reduce the numerical diffusion ; the mixed finite element spatial approximation is employed to deal with diffusion part and approximate the scalar unknown and the adjoint vector function optimally and simultaneously ; in order to preserve the integral conservation of the method, we introduce the modified characteristic method

    該方法對方程的對流部分沿流體流動的方向即特徵方向離散以保證格式在流動的鋒線前沿逼近的高穩定性，消除數值彌散現象；對方程的擴散部分採用最低次混合有限元方法離散、同時以高精度逼近未知函數及未知函數的梯度；為保證方法的整體守恆性，在格式中引入修正項
  15. The new method is a combination of characteristic approximation to handle the convection part, to ensure the high stability of the method in approximating the sharp fronts and reduce the numerical diffusion, a smaller time truncation is gained at the same time, and a mixed finite element spatial approximation to deal with the diffusion part, the sealer unknown and the adjoint vector function are approximated optimally and simultaneously

    此方法即為對方程的對流項沿流體流動的方向即特徵方向進行離散，從而保證格式在流動鋒線前沿逼近的高穩定性，消除了數值彌散現象，並得到了較小的時間截斷誤差；另一方面，對方程的擴散項採用混合元離散，可同時高精度逼近未知函數及其伴隨向量函數，理論分析表明，此方法是穩定的，具有最優的l ~ 2逼近精度。
  16. The thesis mainly analyses the r & d, the influence of the multinational corporations in china, and studies the relevant strategies. it adopts the methods of the unity of normative and up - to - date production, systemically analyses the developments of the multinational corporations " r & d in china, develops microcosmic case disquisition of the two multinational corporations of software and communication industry. this thesis gives a series of strategic suggestions to develop chinese r & d, by the government and the enterprises

    本文首先對跨國公司和技術創新的相關理論及最新研究進展進行了綜述和評析；對跨國公司的研究開發活動的特徵和模式進行了系統分析，並對在我國最具有代表性的軟體、通訊行業的兩家重要的跨國公司的研發機構，開展了微觀的案例研究；最後針對國外在我國設立研發機構這一行為，結合中國入世后經濟國際化進程加快的時代背景，從政府和企業兩方面提出戰略性的對策建議。
  17. 3 ) evolves perona - malik equation to the form of weighted smoothing in two orthogonal directions. brings hessian method, which is an approach to extract the image feature direction, into the technology of smoothing image

    3 ）推導perona ? malik方程為在相互垂直方向不同程度平滑的形式，將提木于柿微分方程的圖街個滑技術及其應用研穴摘要取圖像特徵方向的hessain方法應用到圖像平滑技術中。
  18. The other primary part is that based on the correct water hammer mathematic model ( 3 ), applying character line method, to translate the differential equation group ( 3 ) into character equation group, to count the character equation integral along with character line and at the same time to substitute the integral form for the difference form so as to make use of computer to carry through numerical value calculation of the water hammer pressure

    本論文的另一個主要內容是，在正確的水擊數學模型（ 3 ）的基礎上，應用特徵線法的原理，將微分方程組（ 3 ）轉化成特徵方程組，沿特徵線對特徵方程進行積分，並以其差分方程形式代替積分形式，以便利用計算機進行水擊過程的數值計算。論文對各種邊界條件也做了相應的推導。
  19. Kuo - jung lin, “ fuzzy control design for nonlinear singularly perturbed time - delay systems via lmi approach, ” proc. conf. cacs 2006 automatic control conference, taipei, taiwan, nov. 10 ~ 11, pp. 649 ~ 652, 2006

    林國榮， 「對一個受擾動系統的特徵方程式其系數間存在著多線性相依之區間變數時的穩定性分析， 」 1997自動控制研討會暨兩岸機電及控制技術交流學術研討會，第131 - 133頁， （ 1997 ）
  20. Furthermore, analytical solutions of optical waveguide of double cladding that the refractive index of core is lower than the refractive index of inner cladding were studied with wave theory, the expressions of electromagnetic field and modal characteristic equations were derived

    並且利用波動理論對一種雙包層低折射率芯的光波導進行了解析求解，得到了模式場精確解及模式特徵方程。
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