nonlinear term 中文意思是什麼

nonlinear term 解釋
非線性項
  • nonlinear : 非線性的
  • term : n 1 期限，期間。2 學期，任期；（支付）結算期；【法律】開庭期，（權利的）有效期間；定期租借（地產...
  1. The results show that the class of problems has at least one solution or positive solution provided the " maximal height " of nonlinear term is appropriate on a bounded set of its domain

    結論表明，只要非線性項在其定義域的某個有界集上的「最大高度」是適當的，那麼這類問題至少存在一個解或者正解。
  2. A conservative difference scheme for nonlinear schr dinger equation involving quintic term

    方程的一個守恆差分格式
  3. If the quintic term lies in the first terms, the unperturbed system is a quintic nonlinear schrodinger ( qnls ) equation and the cqs equation is not a near integrable systems, it only can be considered a perturbation of hamiltonian system

    若五次項置於主項位置，即未擾動系統是一個五次非線性schr （ ? ） dinger （ qnls ）方程，此時的cqs方程不再是近可積系統，而僅是一個hamiltonian系統的擾動。
  4. Considering enough the property of the equa - tion, we prove existence of absorbing set of the solution in h ~ ( 1 ) by the method of changeing the higher order nonlinear term as nonnegative guadratic form and prove existence of absorbing set of the solution in h ~ ( 2 ) by the method of linear combining of energy inequality and multiform classical inequality

    我們充分考慮方程的特點，將高階非線性項化為一非負定二次型使得解在h ~ 1中的吸收集的存在性得以證明。通過能量估計的巧妙組合以及多種形式的不等式進行精細的估計以獲得h 「的吸收集的存在性
  5. The quadratic nonlinear term and the cubic nonlinear term that coexist in equation ( 1 ), thus causes difficulty in studying this sort of system through the analytical method and correspondingly makes the solution of analytical expression of homoclinic orbit or heteroclinic orbit in hamilton system extremely difficult

    二次非線性項和三次非線性項共同存在於方程（ 1 ）中，使得用解析方法研究這類系統的難度增大，對應hamilton系統中的同宿軌道或異宿軌道的解析表達式的求解相當困難。
  6. 2. nonlinear source term identification problem about a quasilinear parabolic heat equation is investigated. for the given function determined, the existence and the uniqueness of the solution of the state equation are proved and the dependence of the solution of the state equation on the identification parameter is discussed ; then the identifiability is verified ; through choosing suitable basic functions, the above identification problem can be transformed into a constant coefficients identification problem ; and an practical iterative algorithm for solving the identification problem is presented, the feasibility and validity of the algorithm is verified by the numerical experiments

    2 、研究一擬線性拋物型熱傳導方程非線性未知源項的識別問題；對于給定識別函數，論證了狀態方程解的存在惟一性、方程解與識別函數的依賴關系和可識別性；通過選取適當的基函數，把對非線性源項的識別轉化成常系數識別問題；給出了實現非線性源項識別的迭代演算法，通過數值實驗證明了演算法的有效性。
  7. By using the asymptotic analysis method and the diagonalization technique, considers the singular perturbation of boundary value problem for system of third order nonlinear integro - differential equation. under appropriate assumptions, the existence of the solution of perturbation problem has been proved and a asymptotic expansion of the solution and the estimation of the corresponding remainder term are geven as well

    研究三階非線性積分微分方程組邊值問題的奇攝動.在適當的條件下，利用漸近分析方法和對角化技巧，證得解的存在性並給出解的漸近展開式及其餘項估計
  8. Transmission long - term planning is a dynamic, multi - stage and nonlinear combinative optimization problem. the thoughts of how to carry out multi - stage transmission network planning are analysed

    電網長期規劃既要考慮各水平年的電網結構，又要考慮各水平年的方案過渡，是一個動態的多階段非線性整數規劃問題。
  9. Extinction of solutions for the nonlinear doubly degenerate parabolic equation with a gradient term

    帶梯度項的非線性雙重退縮拋物方程解的耗竭
  10. Directed at the powerful nonlinear mapping ability of neural network. the paper sets up 3 - bp network. on this basis, the paper sets up tentatively an combined forecasting methods based on the ann theory which may accord with the short - term sale forecasting, and offers the detailed theory method appears and design - steps

    針對神經網路具有強大的非線性映像能力，建立三層bp網路進行預測分析。在此基礎上，初步建立了基於神經網路、符合銷售額預測需要的組合預測模型，並給出了詳細的理論方法和設計步驟。
  11. Sufficient conditions are obtained for the existence of bounded positive solutions of the n - order delay differential equations with nonlinear neutral term, on the basis of lebesgue ' s monotone convergence theorem and banach contraction theorem

    摘要利用控制收斂定理和壓縮映射原理研究了一類具非線性中立項時滯微分方程有界正解的存在性，獲得了其存在有界正解的充分條件。
  12. Firstly, based on backstepping and the supervisory control strategy, a robust adaptive fuzzy controller is designed for a class of nonlinear systems. the first type fuzzy logic system is used to approximate the unknown part of the process. the adaptive compensation term of the optimal approximation error is adopted

    本文首先針對一類不確定非線性系統，基於backstepping方法，利用監督控制，引入最優逼近誤差的自適應補償項，並利用型模糊邏輯系統逼近系統的未知部分，提出了一種魯棒自適應模糊控制器設計方案，運用李亞普諾夫第二方法，先證明了閉環模糊控制系統全狀態有界，再證明了跟蹤誤差收斂到零。
  13. This dissertation mainly investigates the properties of solutions of a class of quasi - linear wave equations with a viscosity, a nonlinear perturbation ( source term ) and a dissipative term ( damping term ), which arises from the longitudinal motion of a visco - elastic material. it contains the problems of existence and uniqueness of solutions, global existence, asymptotic behaviour and finite time blow up, etc. this thesis consists of four parts

    本論文主要研究來自於物體的波動等應用領域中的一類帶有粘性項、非線性擾動項（源項）和耗散項（阻尼項）的擬線性波動方程解的定性性質，內容包括解的存在唯一性，解的整體存在性和漸進性態及解在有限時刻爆破等問題
  14. By using the nonlinear estimate in chapter 4 together with the strichartz estimates of linear wave equation, we prove the global well - posedness of the self - similar solution of the wave equation with general nonlinear term

    > s 。時，分別稱h 『 ， hs ） p ， h 『為對應於三類方程的次臨界空間，反之則為超臨界空間.取自相似解初始條件的一個特例tl 。
  15. The calculation results show that the solution is very close to the solution of linear system when the nonlinear term is weak. as the influence of the nonlinearity is obvious, the conclusion drawn from the present method is the same to the conclusion of the other correlative literatures

    計算表明，在非線性情況非常弱的情況下，本文的方法與線性解幾乎吻合；在非線性因素較強的情況下，與其他相類似的文獻進行了比較，得出了一致的結論。
  16. At first, we took the kdv equation and the kdv - burgers equation as examples to point out the fact that it is not necessary to obtain the value of the order of solitary wave solutions by equating the highest nonlinear term and the highest - order partial derivative term in this method. meanwhile, we obtained some exact solitary wave solutions of the kdv - burgers equation

    首先以kdv方程和kdv - burgers方程為例，指出在該方法中，孤立波解的階數通過平衡非線性方程的非線性項和最高階導數項得到是不必要的，同時也得到了kdv - burgers方程的兩組精確解。
  17. Using the estimates, we prove the global well - posedness of schr dinger equation with general nonlinear term

    對于schr6dinger方程、熱方程、波動方程而言，齊次臨界空間滿足} i 。 。
  18. Equation ( 1 ) is the dynamic equation that contains quadratic nonlinear term and cubic non - linear term

    方程（ 1 ）是含有二次非線性項和三次非線性項的動力學方程。
  19. The approximative solution of differential kinematics equation containing a cubic veloccity nonlinear term for a projectile in the northern hemisphere

    含速度三次方非線性阻力項的北半球發射體運動微分方程的逼近解
  20. On the one hand, the form of the nonlinear term of schrodinger equations is relatively monotone, on the other hand, it has many wide application in physics, so it ' s of significance and necessity to establish a further study

    ） dinger方程的非線性項形式比較單一，另一方面就其物理意義來講，背景豐富，所以對其作縱向的深入的研究顯得很有意義也很有必要。目前主要研究非線性schr （
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