攝動法 的英文怎麼說

中文拼音 [shèdòngfǎ]
攝動法 英文
method of perturbation
  • 攝 : Ⅰ動詞1 （吸取） absorb; assimilate2 （攝影） take a photograph of; shoot 3 [書面語] （保養） cons...
  • 法 : 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...
  1. The error formulas of position and orientation for the octahedron parallel machine tool and the new type of parallel machine tool are set by using perturbation method

    利用攝動法得出了八面體並聯機床和新型並聯機床的位姿誤差關系式。
  2. Based on the normal form obtained above, a global perturbation method is utilized to give the analysis for the global bifurcations and chaotic dynamics of the rotor - ambs system. the global bifurcations analysis indicates that there exist the heteroclinic bifurcations and the silnikov - type homoclinic orbit in the averaged equations

    利用全局攝動法研究了電磁軸承-轉子系統的全局分叉和混沌動力學，利用數值模擬方法分別對平均方程和原方程進行了分析，得到了的描述系統混沌運動的相圖和波形圖，從而驗證了理論結果的正確性。
  3. By use of - perturbation method with spatial discretization, the hydraulic transient system controlled by quasilinear partial differential equation was converted to a time - continuous linear system, so that the inverse problem of hydraulic transients under limited pressure could be sol ed with the optimal control theory for time - continuous systems

    採用-攝動法並經過空間離散，將由擬線性偏微分方程式控制制的有壓瞬變流系統轉化為時間連續線性系統，從而使有壓瞬變流限壓控制反問題能應用時間連續系統最優控制理論來求解。
  4. For a warm dusty plasma with variable dust charge, the modulational instability of the dust - acoustic waves can be described by the nonlinear schrodinger equation ( iut 4 - auxx + b | u | 2u = 0 ). it shows that the dust - acoustic wave is modulational stable in this dusty plasma. only the dark soliton exists in warm dusty plasma with variable dust charge

    通過約化攝動法，得到了描述塵埃微粒電荷可變的熱塵埃等離子體中塵埃聲波的非線性薛定諤方程（ iu _ t + u _ （ xx ） + | u | ~ 2u = 0 ） ，不論是單離子溫度情形，還是兩離子溫度情形，塵埃微粒電荷可變的熱塵埃等離子體中的塵埃聲波是調制穩定的，僅存在暗孤子（包絡穴）
  5. Secondly, the effectiveness and limitation of the classical perturbation, such as the method of multiple scales and the poincare - lindstedt method, are discussed in detail through a duffing oscillator with delayed velocity feedback. it is shown that the two perturbation methods are effective only in solving the approximate solution of the first two orders. an ambiguity or paradox will be encountered when they are used to seeking for the third or higher order approximation of solution

    其次，以一具有時滯速度反饋的duffing系統為例，研究了經典攝動法如多尺度法， poincar - lindstedt法等在求解時滯微分方程級數解時的適用性和局限性問題，指出利用這些方法只能有效求得系統的前兩階近似解，而在求系統的三次以上近似解時會出現矛盾或二義性。
  6. Anechoic coatings " efficiency is getted from its front and back many layer ' s transfer loss compared. first, absorptive characteristic of homogeneous material is analyzed thoroughly. then wkb perturbation means are used to calculate absorption coefficient of the impedance transition structure in this paper

    本論文首先對均勻材料的吸聲特性做了深入的分析，並詳細討論了wkb微擾攝動法，利用wkb方法計算阻抗過渡結構的吸聲系數。
  7. Based on mass - spring model, a method of automatic mode - selecting method is presented to solve the difficulties of selecting corresponding modes close to the excitation frequency, in adaptive perturbation for mistuned bladed disks

    摘要針對自適應攝動法在失諧葉盤受迫振動分析中，選擇接近激振力頻率的相應模態數目難于控制的問題，基於質量彈簧模型，提出一種自動選擇模態的方法。
  8. However, it is difficult to choose proper perturbation parameter in the process of applying this method. even in present day, there have not a dependable norm to confirm certain parameter and researcher often search it through engineering experience

    但選擇攝動參數卻是正則攝動法求解過程中的一個比較困難的問題，現在對于這一問題仍然沒有一個一般的原則，而主要是利用經驗對該問題進行處理。
  9. A general matrix perturbation method for complex modes using singular value decomposition

    基於奇異值分解的復模態矩陣攝動法
  10. Dynamics simulation on closed - loop control of four - wheel steering car virtual model

    矩陣攝動法在四輪轉向汽車運動穩定性分析中的應用
  11. Eigenvalue perturbation theory with applications to small structural damage detection

    特徵值攝動法在利用動響應結構小損傷檢測中的應用
  12. Upper and lower bounds of eigenvalues of uncertain closed - loop systems with second - order perturbation

    不確定性閉環系統特徵上下界的二階攝動法
  13. Characteristic value calculating of bending vibration of bridge structures based on perturbation methods

    基於攝動法的橋梁結構彎曲振動特徵值計算
  14. Modal perturbation method for obtaining complex modal characteristics of non - proportional damping systems

    求解非比例阻尼體系復模態的實模態攝動法
  15. Homotopy perturbation method for nonlinear dynamic equations based on precise integration technology

    基於精細積分技術的非線性動力學方程的同倫攝動法
  16. Stability analysis for non - sway composite frames with semi - rigid joints - part 2 connection rotation stiffness and examples analysis

    彎曲型剪力墻動力分析的模態攝動法
  17. Perturbation method of analysis is a prevalent method to solve nonlinear differential equation in mechanics field

    正則攝動法是一種在力學領域求解非線性微分方程的方法。
  18. From some data, we got the result : xuansuo theory is better than the paowu theory, which ' s error is the largest

    因此，攝動法最接近懸鏈線，懸索曲線次之，拋物線的計算結果誤差最大。
  19. A detailed study is made in this dissertation on the applicability of the classical perturbation methods to the dynamical systems with time delays, and on the global view of local bifurcations and the complex dynamical behaviors of several duffing systems under different delayed state feedback control

    本文詳細研究經典攝動法直接應用於時滯動力系統時的有效性及適用性問題，用不同方法系統分析了時滯狀態反饋下的duffing系統關于時滯的大范圍分叉模式和復雜動力學行為。
  20. The first - order perturbation method correct for forcing decoupling method based on perturbation theory is put forward to decrease error ; iii. the complex modal method is introduced into analysis of non - classical damping systems to eliminate error of forcing decoupling method, and improve the complex modal response spectrum, which can apply to design of non - classical damping systems ; iv. for exerting the energy dissipation capability of each device, a two - step optimum method, whose controlling function is extremum expectation of interbedded displacement, is put forward to optimize the number and position of device ; v. the problem of iterative method applied to analyze energy dissipation systems is indicate, and give some primary advice based on pilot study

    為改善上述缺點，本文進行了以下的研究工作：在忽略耗能器附加質量的基礎上，推導出適用於耗能減震結構的攝動法，減少振型分解法在迭代計算過程中的工作量，加快計算速度；針對運動方程的強行解耦所產生的誤差，根據攝動法原理，對其進行一階攝動修正；為消除強行解耦振型分解法用於非比例阻尼結構分析時產生的誤差，引入狀態空間對系統進行復模態分析，並改進了基於復模態理論的、適用於非比例阻尼結構設計的雙反應譜方法；對于耗能器的數量和位置優化進行了一些探討和研究。
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