differential modeling 中文意思是什麼

differential modeling 解釋
區分模擬
  • differential : adj 1 差別的,區別的;特定的。2 【數學】微分的。3 【物、機】差動的,差速的,差示的。n 1 (鐵路不...
  • modeling : n. 製造模型的方法,造型(術);塑像術;【美術】立體感(表現法);模特兒職業。 the modeling of one's features 某人臉部的形象。
  1. Thus chaos theory is, very generally, the study of forever changing complex systems based on mathematical concepts of recursion, whether in the form of a recursive process or a set of differential equations modeling a physical system

    通常混沌理論是研究建立在數學遞歸概念基礎的上永遠改變復雜系統,無論以回歸過程形式或建立微分方程物理系統模型。
  2. The bouc - wen differential equation model is used in modeling the hysteretic characteristics of these components. the pem ( pseudo excitation method ) combined with the elm ( equivalent linearization method ) is used to analyze the non - linear random vibration of such structures

    採用bouc - wen等提出的微分方程模型描述進入非線性構件的滯變特性,運用虛擬激勵法結合等效線性化進行結構非線性隨機振動分析。
  3. Due to the incompleteness of model library and uncertainty of modeling knowledge, qualitative compositional modeling is a process of " generate and test " during which the composed model must be modified and improved. there are two separate sub - tasks about cm, model composition and model simulation, which communicate with each other through qualitative differential equations ( qde )

    定性模型的特點,決定了定性組合建模是一個需要重復調整和完善的迭代過程,建模與模擬是通過定性微分方程相關聯的兩個子任務,建模是模擬的基礎,模擬是對建模結果的檢驗。
  4. The cross - well seismic forward modeling program can be applied to geological model that has different velocities and dips to calculate cross - well seismic synthetics for given sources and receivers by ray tracing the least traveltime or four order differential wave equation

    研製的井間地震正演合成記錄的程序,可用來對不同速度、不同傾角的地質模型,通過最小旅行時的射線追蹤或四階差分聲波波動方程,計算出對于給定震源和給定檢波點的井間地震合成記錄。
  5. In the course of modeling, we present multi - step generalized gradient method and multi - stage curve fitting technique, prove convergence of multi - step generalized gradient method by using differential equation stable theory, analyze the error of multi - stage curve fitting technique by using inner space, creat knowledge base of water network system by using the maximum subordinate principle of and near - select principle of pattern recognition. at last we make the optimal running scheme of water network system based on heuristic search technique of artificial intelligence and global feedback immediate coordination method of large scale system theory

    在建立系統模型的過程中,提出了多步廣義梯度法和多層曲線擬合的建模方法,並用微分方程穩定性理論證明了多步廣度梯度法收斂性,用內積空間的有關知識對多層曲線擬合進行誤差分析;應用模糊數學中的最大隸屬度原則和模糊識別中的擇近原則和人工智慧中狀態空間表示法建立注水系統的知識庫;用人工智慧中的啟發式搜索技術和大系統理論中的具有全局反饋的直接協調法制定注水系統的優化運行方案。
  6. Abstract : the paper firstly introduces three different approaches for the kinetic modeling of supercritical fluid extraction ( sfe ) ( empirical models, models based on the heat transfer analogy, and models based on differential mass balance ), and then models kinetic process of the sfe of flavonoid compounds from cedrela sinensis leaves in the presence of ultrasonic, at last shows the defects existed in most of the contemporary kinetic models through the example

    文摘:首先介紹了三種動力學模擬超臨界流體萃取的模型(經驗模型、基於熱傳遞類推的模型以及基於微分質量平衡的模型) ,然後模擬了在超聲存在的條件下超臨界流體從香椿葉中萃取黃酮類化合物的動力學過程,最後通過該例子展示了現有大多數動力學模型的缺點
  7. The paper firstly introduces three different approaches for the kinetic modeling of supercritical fluid extraction ( sfe ) ( empirical models, models based on the heat transfer analogy, and models based on differential mass balance ), and then models kinetic process of the sfe of flavonoid compounds from cedrela sinensis leaves in the presence of ultrasonic, at last shows the defects existed in most of the contemporary kinetic models through the example

    摘要首先介紹了三種動力學模擬超臨界流體萃取的模型(經驗模型、基於熱傳遞類推的模型以及基於微分質量平衡的模型) ,然後模擬了在超聲存在的條件下超臨界流體從香椿葉中萃取黃酮類化合物的動力學過程,最後通過該例子展示了現有大多數動力學模型的缺點。
  8. The water quality respond relation of input - output measurements are established by systematic theory in this paper. according to the peculiarity of hydrology and the necessity of water quality inverse problem the multi - parameter inverse problem model based on ordinary differential equation is developed. the existence and uniqueness of the solution of the ordinary differential equation about two parameters or multi - parameter are to be proved. the unstability depending on errors between monitoring data and interpolation approximate data are analyzed and demonstrated. cubic spline interpolation function, the least two multiply and positive rule method are conjoined for obtained solution of multi - parameter. the results from this algorithm indicats its efficient to the multi - parameter identification in water quality modeling

    本文應用系統理論,建立了水質多參數輸入輸出之間的響應關系;根據河流水文水質變化特點和參數反問題的需求,建立了水質常微分方程多參數反問題模型.根據常微分方程參數反問題的數學理論,作者給出了兩參數和多參數水質常微分方程反問題的解的存在性、唯一性的理論證明過程和結論;還針對水質現有監測資料的測驗誤差和插值近似計算誤差造成參數反問題的不穩定性,將三次樣條插值函數、超定方程最小二乘法和正則化演算法有機地結合使用,成功地給出了水質參數反問題的穩定化演算法.最後給出了應用計算結果
  9. In this thesis, a internal and external analyse and research about design, modeling and machining of ball - end cutters is reviewed. on the base of grinding trait of mk6335a five - axis numerical control drill grinder, in the present study, differential geometry, ruled surface concept, envelope and inverse - envelope theory, coodinate transfer and numeric analyse are used to develop a mathmatical model and systematic method for the design, analyse and simulation of ball - end cutters

    本論文在國內外關于球頭立銑刀設計、建模、加工等方面研究的基礎上,根據現有的mk6335a五軸數控鉆尖磨床刃磨運動的特點,應用微分幾何、包絡與反包絡理論、坐標轉換、數值分析等理論知識,研究了基於五軸數控磨床加工球頭立銑刀的數學模型及分析與模擬。
  10. The main contributions are as following : the dynamic modeling, the solution of the linear and nonlinear differential equations, the dynamic response of the system, and so on. on account of the influence of the model of the high - speed cam - follower system on the dynamic character, the two modelings, the modeling with consideration of the clearance between the cam and the follower and the modeling without consideration of the clearance, were been addressed firstly

    本課題主要對高速凸輪機構的周期時變系統的動力學問題進行了相關研究,具體在高速凸輪機構作為周期時變系統的動力學建模、凸輪系統的周期時變模型的線性和非線性的微分方程的求解方法探索和凸輪系統的動態特性分析等方面做了一些工作。
  11. In proceedings of the international conference on shape modeling and applications, genoa, italy, 2001, pp. 209 - 215. 23 marc alexa. differential coordinates for local mesh morphing and deformation

    由於應變場可以對物體變形程度進行定量描述,因此拓撲相同的原始形狀和目標形狀之間即使差異很大,本文方法產生的結果也能從理論上保證漸變過程光滑均勻。
  12. The evolutionary modeling of higher - order ordinary differential equations for time - series analysis

    高階常微分方程的演化建模用於時間序列的分析
  13. Fifthly, by adopt new matrix coordinate system means, found a tricycle wmr ' s kinematic model, especially the investigation in the kinematically modeling of steered wheel and non - steered wheel. at the same time, the dynamic modeling of robot ' s playing football motion, consummate mobile robot ' s system. by the comparison with the two - wheeled differential drive structure on line or circular track ' s simulation experiment result, illustrate the tricycle wmr ' s superiority more and more

    第五,採用新型的矩陣坐標系方法,建立了三輪式機器人的動力學模型,尤其是在導向輪和非導向輪的動力學建模方面進行了深入的研究;同時,對機器人踢足球的運動進行動態建模,進一步完善了移動機器人體系。
  14. According to the viewpoint of prof. f. h. wittmann and the development trend of concrete science, the author has successfully combined the theory of fuzzy cluster analysis with the quality control work of rmc production by mathematical modeling, hi actual work, there are some differences of concrete mix proportion and concrete performance index between the standard sample that is accord with all demands of hpc and differential sample that is mainly accord with demands of mix design by comparing and clustering. therefore, rmc is up to the standard of hpc after adjusting these differences

    本文正是基於上述指導思想和混凝土材料科學的發展趨勢,把模糊聚類的分析理論和混凝土質量控制工作中存在的問題,通過建立數學模型將二者有效地結合起來,其目的及意義是:在實際工作中,將基本符合設計要求的若干組混凝土配合比數據、性能指標數據,與經過工程實際檢驗、符合高性能混凝土各項指標要求的混凝土進行比較、歸類,找出差異,調整參數,實現混凝土生產的高性能化。
  15. In order to model hybrid processes, a new kind of extended petri net, hybrid object - oriented petri nets ( hopn ) which integrates high - level petri nets, differential equations and object - oriented concepts into one modeling frame, is put forward. and the definition, the evolutionary pattern and the conflict mode of hopn are studied in detail in the dissertation

    將用於離散系統建模的高級petri網技術、用於連續系統建模的微分方程及面向對象的思想進行集成,提出了一種混雜過程描述方式? ?混雜對象petri網( hopn ) ,並詳細介紹了hopn的定義、演化、沖突形式及其處理方式。
  16. A numerical approach is often employed for understanding optical transmission process in fibers, for the reason that the equation modeling optical propagation in fibers is a nonlinear partial differential equation ( sometimes is called nonlinear schrodinger equation ), which cannot generally be given analytical solutions

    就單一的光脈沖而言,其時間范圍可以為無限,而在計算過程中我們只能就其中起主要作用的一段時間范圍進行模擬,這一時間范圍定義為時間窗口t _ w 。
  17. A new algorithm for the evolutionary modeling of system of ordinary differential equations

    常微分方程組的演化建模新演算法
  18. This dissertation uses the theory of differential coefficient and makes a amending arithmetic modeling which get amending curve through dealing with the collected data. according to the amending curve, realize potentiometer auto - measuring and amending

    通過對採集到的電阻數據進行處理,獲得修刻時所需的控制量,為電位計的非線性誤差測量和修刻提供了依據。
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