本徵方程 的英文怎麼說
中文拼音 [běnzhǐfāngchéng]
本徵方程
英文
eigen equation- 本 : i 名詞1 (草木的莖或根)stem or root of plants 2 (事物的根源)foundation; origin; basis 3 (本錢...
- 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...
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Thirdly, while analyzing composite materials shell structure, the structural pre - flection nonlinear equation and engenfunction for resolving flection load are separately simplified in the axis symmetry shell ' s flection finite element analysis
本文在分析復合材料殼體結構時,軸對稱殼體的屈曲有限元分析對結構前屈曲非線性方程及屈曲載荷求解中的特徵方程分別作了簡化。In this paper, we shall give the structure of solutions of eigen equation of a matrix over a distributive lattice and characterize convergence of powers of a matrix over a distributive lattice in terms of the eigen sets
給出分配格上矩陣的本徵方程的解的結構,利用本徵方程的解集給出了矩陣冪收斂的一個等價刻劃The roots of the characteristic equations are known as eigenvalues, or characteristic values.
特徵方程之根稱為本徵值或特徵值。Finally, a summary for the research work is given, and the applicable fields and shortcomings for grey non - intrinsic model for indoor air quality are presented
最後,通過對研究工作的總結,提出了室內空氣品質灰色非本徵方程的有效應用范圍和其不足之處。And varying interval and grey power function of grey parameter in this model is also defined with experimental results of the author and many related references
根據筆者自己的實測實驗結果和他人實驗的結果,分析了室內空氣品質灰色非本徵方程中各個灰參數取值范圍(上下界)和灰色權函數。The improvement of te mode transfer matrix and modes latent equation in multi - channel optical wave - guide
模的轉移矩陣及模式本徵方程的改進In this thesis, the awg ' s transverse - mode parameter and its eigen equation as well is analyzed based on the periodic waveguide method
本文提出用周期波導的方法,分析平面陣列波導光柵模式參數及其本徵方程。Nurbs surfaces with single interior knots are simple and used widely. the thesis main aims at biuquartic, biquintic, k x fc - degree b - spline surfaces and bicubic nurbs with single interior knots. one of the contributions is to apply knot refinement and the geometric continuous conditions of bezier surfaces to deduce the geometric continuous constraints of nurbs patches and obtain the intrinsic equations of common boundary curves, where the intrinsic equations are the special phenomena of nurbs surfaces
節點向量是內部單節點的nurbs曲面是最簡單也是最常用的,本文重點針對單節點的雙四次、雙五次和雙k次b樣條曲面及雙三次nurbs曲面,運用節點插入技術和b zier曲面的幾何連續理論成果,導出了它們之間的幾何光滑拼接條件,同時得到了公共邊界曲線所必須滿足的本徵方程,其中本徵方程是nurbs曲面所獨有的現象。The research methods of serpentine waveguide and groove guide have been introduced. eigen equation of rectangular groove guide is obtained by galerkin boundary integration equation method. more accurate results are got with four - order approximation, which show good convergence and better agreement with experimental data when compared with previously published papers
利用galerkin積分方程法得到了矩形槽波導任意價精度下的本徵方程,計算得到1到4價精度下的本徵解,並且跟文獻中的試驗結果及其他方法得到的結果做了比較,結果顯示,本文的結果更接近於試驗數據,並且收斂速度快。The governing equations, the corresponding variational equations and equivalent constitutive equations with the numerical expressions of initial stress were developed and applied to the analysis of the deformation of a bar. the conclusions related to the influences of initial stress on the additional deformation, especially to the natural frequency and were obtained
第四章在平截面假設下,用變分原理建立了包含初應力數值表徵在內的附加變形支配方程及相應的邊界條件、給出了廣義應力、廣義應變及等效本構方程,凸顯了初應力各數值表徵對附加變形的影響。Moreover, in the application of aircraft structures design, the composite wing is still to meet the needs of aeroelastic design. through reading the aerodynamic influence coefficient matrix from the nastran file, this paper generates a static aeroelastic equilibrium equation and divergence eigen - equation, which is needed by the aeroelastic tailoring of composite wing. through this equation, the aeroelastic tailoring of composite wing and its optimization design have come into being
此外在飛機結構設計過程中,復合材料翼面結構還要滿足氣動彈性設計的需要,本文通過讀入由nastran所產生的氣動影響系數矩陣,構造出滿足復合材料氣動彈性分析所需要的靜氣動彈性平衡方程和發散特徵方程,並在此基礎上實現了復合材料氣動彈性剪裁優化設計。This thesis presents an effective way to design pid controller through a combination of adverse deduce and genetic algorithm. the relationship between pid parameter and the root of the characteristic equation of the closed loop control system has been found out directly
本文直接找出pid參數與閉環控制系統的特徵方程的根之間的關系,只要使特徵方程的根在z平面的單位圓內任意取值,然後再求出相應的pid參數,則閉環控制系統必然是穩定的。As long as the root of the characteristic equation is within the unit circle of z - plane and the corresponding pid parameter is got, the closed loop control system is sure to be stable. although the root of the characteristic equation can vary within the unit circle of z - plane, different value may affect the control property differently. therefore, it is better to optimize the root, here the optimizing method is carried out by genetic algorithm
本文所採用的這種確定pid參數的方法,雖然可以使特徵方程的根在z平面的單位圓內任意取值,但各種取值情況對變風量空調系統的控製品質的影響卻不同,因此,要對各種特徵方程的根的取值情況進行尋優,本文採用遺傳演算法對特徵方程的根進行尋優,從而使控制器的參數得以優化。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。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。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The study on the stability switches of functional differential difference equations is an important research branch of the stability theories, which of both the theory and its applications has broad prospects. the first part of this paper, chapter 2 and 3, deals with the stability switches for two classes of retarded differential difference systems, respectively. by analyzing the characteristic roots of characteristic equations, some algebraic criteria of stability switches are established, which are useful and easy to verify
穩定性開關是泛函微分方程穩定性理論中的一個重要分支,無論是理論本身還是它的應用都有廣泛的前景,本文的第一部分(第2章、第3章)分別討論兩類二階滯后型微分差分系統的穩定性開關,通過分析特徵方程的特徵根,我們給出了存在穩定性開關現象的實用而又易於驗證的代數判據,並利用計算機模擬驗算了一個具體例子。Based on the basic equations of the elasticity plane problem and the two airy stress functions in the thesis, stress singularity eigenequations and displacement fields as well as singular stress fields near the v - notch tip and the crack tip for homogeneous materials are obtained
本文基於彈性力學平面問題的基本方程,引入兩個airy應力函數,推導了均質材料型切口尖端和裂紋尖端的應力奇異性特徵方程及其附近的奇異應力場和位移場。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。The amplitude characteristic equations of p wave and s wave in transverse isotropic media have been deduced by using the method of aki and richards, that is use the border conditions in elastic interface to solve the elastic wave equation and to decide the energy distribution of different types of wave
本文針對橫向各向同性介質( ti - transverseisotropy ) ,利用aki和richards的方法,即根據彈性分界面上的邊界條件求解彈性波動方程,確定各種波之間的能量分配關系,建立了橫向各向同性介質中p波和sv波入射時的振幅特徵方程。分享友人