穩態近似法 的英文怎麼說

中文拼音 [wěntàijìn]
穩態近似法 英文
stationary state approximation
  • : 形容詞1 (穩定; 穩當) steady; stable; firm 2 (穩重) steady; staid; sedate 3 (穩妥) sure; rel...
  • : 名詞1. (形狀; 狀態) form; condition; appearance 2. [物理學] (物質結構的狀態或階段) state 3. [語言學] (一種語法范疇) voice
  • : Ⅰ形容詞1 (空間或時間距離短) near; close 2 (接近) approaching; approximately; close to 3 (親...
  • : Ⅰ名詞1 (由國家制定或認可的行為規則的總稱) law 2 (方法; 方式) way; method; mode; means 3 (標...
  • 近似 : approximate; similar; approach; approximation; roughness; propinquity
  1. The importance of the steady state approximation is that it greatly simplifies the solution of the rate equations in complex consecutive reaction pathways.

    穩態近似法的重要性是,它大大簡化了在復雜的連串反應途徑中速度方程的求解。
  2. Stationary state approximation

    穩態近似法
  3. If we use the steady state approximation to treat this scheme, the equations derived are more complex.

    如果我們對圖解用穩態近似法去處理,則推導出的方程比較復雜。
  4. Ph linearization method is employed to solve a nonlinear reynolds equation for a steady state and micro - scale flow field, and the approximate function expressions of gas dynamic pressure and velocity in the spiral groove are obtained

    摘要應用ph線性化方、迭代求解了螺旋槽內微尺度流動場的非線性雷諾方程,求得了氣體動壓和速度分佈的解析解。
  5. Abstract : the sample breakdown point of a test is defined as the smallest proportion of arbitrary outlier in the sample that reverses the test decision. in this paper, wegive the sample breakdown point of a test for maximum likelihood estimate of exponential distribution parameter and analyze the asymptotically normal characteristic of the sample breakdown point

    文摘:如何量化一種統計方對異常值的不敏感性一直是健統計研究的一個重要課題.檢驗的樣本崩潰點是樣本中能逆轉判決的離群值的最小比例.在研究相關文獻的基礎上,計算出指數分佈參數極大然估計檢驗的樣本崩潰點,並分析了樣本崩潰點的漸性,為量化統計方健性提供了一種新的途徑
  6. The method of multiple scales is used to determine the equations of modulation of amplitude and phase. the steady state response can be obtained by solving a couple of algebraic equations, which have been achieved by careful deduction under some conditions. and because of the complexity of the equations, programs are necessary to solve the equations mentioned above, and certain graphs are presented. based on chapter two, in chapter three, the method of multiple scales is introduced to the study of the multiple - dimensional nonlinear stochastic systems under random external excitation

    在第二章基礎上,第三章將多尺度引入到相應的隨機系統的研究中;嚴格推導了系統的約簡方程,用矩方求出解應滿足的方程,獲得一些結果;並且數值模擬結果與理論推導的結果是一致的;並注意到,與其對應的確定性系統相比較,系統響應從周期解變為周期解,系統的相軌線從極限環變為擴大的極限環;隨著激勵帶寬的增大,此擴大的極限環的寬度將增大。
  7. Mixed weights cgpc is constructed for constrained cgpc, which has advantage in simplicity and efficiency. performance of ballistic missile ’ s servo system is improved by approximate constrained arithmetic. the effect of side force on stability of spinning missiles is studied by routh criterion, which proved to be more universal than others ’ work

    針對線性角運動模型,直接採用勞斯方,與前人工作相比具有更好的通用性和精確性;藉此方分析了側向力對自旋彈道導彈定性的影響;研究了內模控制在彈道導彈姿定系統中的應用。
  8. This dissertation presented two new methods of robust adaptive track control for a class of mimo strong nonlinear system with external disturbance. one method makes use of taylor approximation principle to linearize the mimo strong nonlinear system at the ideal equilibrium point, meanwhile external disturbance is considered, and then designs two on - line neural network controller respectively, which can dynamically compensate the high order items of taylor series and the control signals at ideal equilibrium point under the drive of state error between linear and nonlinear system. a linear feedback controller obtained by pole assignment and two on - line neural network act on the practical mimo high nonlinear system together, guaranteeing the whole system robust stable and tracking the specified signal ; the other method designs three on - line neural networks for this class of system

    本文對於一類含有外部擾動的多輸入多輸出( mimo )強非線性系統,提出了兩種新的魯棒自適應跟蹤控制方,第一種利用了taylor的原理,在考慮了外部擾動的情況下,將mimo強非線性系統在理想平衡點處線性化,分別設計了兩個在線神經網路控制器,在線性和非線性系統之間的狀誤差驅動下動補償系統的taylor高階項及理想平衡點處的控制信號,滿足極點配置方的線性反饋控制器和兩個在線神經網路聯合作用於實際的被控mimo強非線性系統,在保證整個系統魯棒定性的情況下,能夠跟蹤給定的指令信號;另一種方是針對這類系統設計了3個在線神經網路,分別實時抵消這類非線性系統中的非線性部分、與控制量耦合的非線性項以及外部擾動,使得受控系統的輸出可以完全跟蹤給定輸入參考信號。
  9. The same conclusion as derived from the original pda under approximate condition is concluded this way without any approximations. the second method is the instant - state performance prediction based on the hyca method. this method not only gives the off - line recursive error variance relation, but also gets a series of performance measurement such as track life

    然後應用兩種方對其進行性能估計和預測,一是基於riccati方程的性能估計,其結果與pda演算條件下得出的結論相同;二是基於hyca方的瞬性能預測,不僅給出了誤差方差的離線遞推關系,而且得到了航跡壽命等一系列性能指標的估計值。
  10. Topics covered include : static equilibrium, force resultants, support conditions, analysis of determinate planar structures ( beams, trusses, frames ), stresses and strains in structural elements, states of stress ( shear, bending, torsion ), statically indeterminate systems, displacements and deformations, introduction to matrix methods, elastic stability, and approximate methods

    主題包含了:靜力平衡、合力、支承條件、靜定平面結構(梁、桁架、構架)分析,結構構件之應力與應變,應力狀(剪力、彎矩、扭力) ,靜不定系統,變位與變形,矩陣方介紹,彈性定及值解
  11. The stress and local stability constraints are transformed into movable lower bounds of sizes. an inverse variable xt = ? is inducted, and the objective function is expanded as second order taylor approximation while the displacement constriction is expanded as first order taylor approximation. the lemke algorithm is used to get the final design result

    把復雜的應力約束和局部定約束轉化為動尺寸約束,引入倒變量x _ i 1 / a _ i將目標函數展開為二階,將位移約束用莫爾積分化為一階,用對偶規劃方將原問題化為等價的二次規劃問題,調用lemke演算,求得最優設計結果。
  12. Its invalidation of turning rupture leads to driving safety problems on the basis of research on the torsion bar spring in the suspension system, the paper finds the way to enhance the performance of the suspension system. the paper establishes the mathematical model of the double wishbone independent suspension, analyses the specific structure in theory, uses the softwares of adams and matlab to simulate the functions which are nearly similar with the actual working conditions. at the same time, the paper adopts the way of parameterized design, programs to adjust the system parameters conveniently and inducts the optimize design with the concrete targets to improve the suspension system performance

    本文的研究方是通過建立扭力桿與獨立懸架的數學模型,以理論分析為基礎,結合具體的懸架結構,運用adams和matlab軟體,對研究的對象進行模擬分析,使設計人員在真實的模擬條件下能夠更好的對目標進行研究;同時,還引入了參數化的設計方,通過編程,增加了人機互動式界面,可靈活的對懸架導向機構主要構件的空間幾何尺寸進行動調整;在優化設計過程中,針對汽車懸架運動學、動力學的特定要求,對具體的目標進行優化設計,從而獲得良好的行駛平順性和操縱定性。
  13. Secondly, combining the unified colored noise approximation and the functional analysis, the steady state distribution function is derived when both multiplicative colored noise and additive white noise are included in a bistable system with colored coupling between two kinds of noise. through the two - state theory, the expression of signal - to - noise ratio ( snr ) is obtained. the phenomenon of stochastic resonance is investigated

    其次,我們綜合運用統一色噪聲和泛函的方,推導了含有乘性色噪聲和加性白噪聲,並且兩種噪聲之間的耦合為色噪聲的雙非線性系統的定分佈摘要不同類型的色噪聲對非線性光學系統的影響函數,然後通過雙理論求出系統信噪比的解析表達式,對系統的隨機共振現象進行分析。
  14. In this paper, the second chapter introduces the reducing idea of inertial manifolds and approximate inertial manifolds, and discuss th e similarity reduction of ks equation. the third chapter introduces the basical idea and theory of the exact linearization controlling, then use this methods to control chaos of an ordinary differential system chen equation and apply the exact linearization controlling method to control the chaotic behaviours, i. e. controlling the chaotic states to steady states

    本文第二章介紹了無窮維動力系統的慣性流形與慣性流形的約化思想,並討論了ks方程的直接約化方。第三章介紹了精確線性化控制方的基本思想和理論根據,並應用精確線性化控制方對具有典型混沌動力學行為和性質的一個常微分系統chen方程進行混沌控制,將chen方程的混沌狀控制為定狀
  15. The fourth chapter applies the exact linearization controlling method to control the approximate inertial manifolds of a partial differential system ks equation. this method can control the chaotic states into steady states and also can control the steady states into circle solutions. the chen equation and ks equation both have typical dynamical behavior and dynamical character

    第四章中應用精確線性化控制方對無窮維動力系統ks方程的慣性流形進行混沌控制,可以將傳統慣性流形下的混沌狀控制為定狀,也可以將慣性流形下的定狀控制為周期解。
  16. On the ground of mpda algorithm and the conclusion of its steady - state performance evaluation, the choice of the detection threshold becomes a matter of optimization under the condition of properly chosen detection model and hypothesis. and the analytic expression of auto - adjusted detection threshold can be deduced via approximate fitting attenuation factor derived from the conclusion of performance estimation. it presents a novel approach for the optimization of detection - tracking system

    基於mpda演算及其性能估計的結論,在適當選擇檢測模型和一定假設條件下,將自適應檢測門限的選擇歸結為一個最優化問題,通過擬合性能估計結論中的衰減因子,得到了最佳檢測門限自適應調整的解析表達式,為檢測?跟蹤系統的聯合優化設計提供了一種新思路。
  17. In this paper, we consider several classes of common ecological models such as predator prey model and epidemic model, and obtain uniform persistence and stability of the solution or the periodic solution by constructing appropriate lyapunov functional and using eigenvalue analysis to model ' s linear similar system at the equilibrium

    本文所研究的問題涉及到生系統中有關捕食-被捕食系統、流行病模型等幾個常見的生模型的定性分析,所採用的研究方是通過構造合適的lyapunov泛函以及對模型的線性系統在其平衡處的特徵根分析,獲得模型解或正周期解的一致持久和定的漸性質。
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