newton model 中文意思是什麼

newton model 解釋
牛頓模型
  • newton : n 1 牛頓〈姓氏，男子名〉。2 Sir Isaac Newton 牛頓〈1642 1727，英國科學家〉。3 〈n 〉【物理學】牛...
  • model : n 1 模型，雛型；原型；設計圖；模範；（畫家、雕刻家的）模特兒；樣板。2 典型，模範。3 （女服裝店僱...
  1. The rheological equations, derived from n - s equation in hydromechanics employing the newton fluid model and the bingham plastic model, demonstrate that damping force can be controlled by changing the magnetic field in the gaps. 4

    流變學方程表明：改變阻尼通道的磁場強度可以控制磁流變阻尼器的阻尼力，從理論上分析了磁路參數和阻尼通道的結構參數對磁流變阻尼器阻尼力的影響。
  2. Abstract : since the multiple failures situation is not uncommon in the clinical medicine, we explore the use of proportional odds model to the multivariate interval - censored data. the approach is based on the conditional logistic regression, which prevents the complications in the existence of nuisance parameters. the estimation of parameters is obtained by the newton - raphson algorithm. the sandwith estimator for the covariance is made according to the situation where there is correlation in the score statistic. simulations are also presented to assess the accuracy of the procedure

    文摘:探索比例優勢模型在臨床醫學中常見的多結局區間截斷數據中的應用.用條件的邏輯回歸方法避免討厭參數的估計，用牛頓-拉普森演算法估計回歸系數，用"夾心方差"估計量作為參數方差的估計.通過隨機模型檢驗模型應用的有效性
  3. Based on the above, another mathematics model for calculation about saturation index ( complex compounds considered / unconsidered ) which can reflect water - rock interaction ' s state has been built up, moreover newton - raphson which is a iterative way has been used to resolve the mathematics model, the results show that si ' s value accord better with practice when complex compounds are considered.

    在此基礎上，建立了旨在反映水-巖（或礦物）系列間反應狀態的飽和指數si的數學模型，採用newton - raphson迭代法進行求解。在計算中，分別考慮絡合物的影響和不考慮絡合物的影響。結果表明，基於考慮絡合物的影響所求得的si值比較符合實際。
  4. Study of the combination of ant algorithm and quasi - newton algorithm in computing mathematical model of water supply network

    螞蟻演算法與擬牛頓法嫁接求解管網數學模型
  5. A set of non - linear differential equation of this model is formulated based on lagrange ’ s equation. the tension of the cable, the control force of translation and the control torque of rotation are obtained by the method of newton ’ s laws in vector space. the tethered mass system is modeled as a spherical pendulum

    本文基於一種常見的繩系單體系統，運用lagrange方程建立了該系統的非線性運動微分方程，採用矢量法對該運動微分方程進行了校核，並推導出吊索的張力、變幅控制力和回轉控制力。
  6. We analyze the assembly model and propose a mathematics model and tree - representing model of the assembly who not only has a small data size, but also can be manipulated easily. this thesis not only gives the virtual representing concept the instance representing one, but also defines the concept of assembly constraint such as coupling, being alignment, being coaxial and being equidirectional. based on such concepts, a revised newton - raphson iterative algorithm is proposed, which can deal with the singularity and ill - condition of jacobi matrix

    首先分析了裝配體的模型問題，提出了裝配體的數學模型及樹形式表示的裝配體表示模型，模型具有數據量小、操作簡單的優點：文章對所涉及的約束諸如耦合、對齊、同軸、同向的裝配體位置描述概念進行了定義，引入了裝配約柬概念，從而提高了裝配設計效率；在此基礎上，文章討論了裝配約束的求解方法，提出了newton rapson迭代法的改進演算法，使得系統能更好地處理jacobi矩陣的奇異和病態的情形。
  7. 4. based on the viscous hydrodynamics, the leakage characteristics of newton liquid that is transmitted by helical gear pump are researched for the aim of the least power loss, and the leakage model is founded, the mathematic models of the radial and the axial leakage are gained. at the same time the optimal radial leakage and axial leakage are got, and the numerical calculation is achieved

    基於粘性流體力學，以功率損失最小為目標，首次對牛頓流體在斜齒齒輪泵中的漏流特性進行了研究，建立了泄漏模型，分別得到了斜齒齒輪泵的徑向和軸向泄漏的數學計算模型；同時得到了斜齒齒輪泵最佳徑向間隙和最佳軸向間隙，並在此基礎上進行了數值計算。
  8. The azeotropic distillation of the system acetic acid - water - azeotropic agent ( isopropyl acetate and butyl acetate ) is simulated. due to the non - ideal behavior, nrtl - hoc and uniquac - hoc model is used to depict vapor - liquid phase equilibrium behavior of this system. concerning the liquid in the decanter, the stability is checked by tangent plane stability analysis, and the initialization of phase splitting calculation is produced. a good estimate of the phase fration is gotten by successive substitution with newton ' s method, and every component of two phase is gotten by mass equilibrium equation. finally, the solution of this equation is produced with successive substitution calcultion. the naphtali - sandholm method is used to simulation of azeotropic distillation. by virtue of this combined calculation method, the simulation is begun with operational data as basical data. the results of simulation accord with the operating data, which proved that the combined calculation method is credible

    該體系具有高度非理想性，氣液相平衡模型採用nrtl - hoc和uniquac - hoc模型，採用切平面判據法對進入分層器中的液相進行液相穩定性測試，提供液液相分離計算的初值，再結合牛頓拉夫森迭代法運算求得相分割系數，根據物料衡算求出各相組成，循環迭代可求得分層各組分數據，共沸精餾模擬計算採用那夫塔列-山德荷姆全變量迭代演算法。
  9. The main researches enclosed in this thesis are as follows : 1. based on the newton ' s law of motion, the law of angular momentum and the variation principle, the dynamic model of the satellite with a flexible appendage has been researched

    主要內容有五個方面： 1 、運用牛頓定律、角動量定律和變分原理建立了帶撓性附件的衛星動力學模型，分析了撓性太陽帆板轉動對衛星動力學模型的影響。
  10. Through newton ’ s law of motion, the continuous model of the cantilever is built. the author discretizes the model through lumped mass method and supposed modal method, analyzes the discretized model through influence coefficients method. compare the results of the two models ; the general analysis method of non - uniform beams is obtained

    其次，對懸臂梁結構進行了理論分析，應用牛頓運動定律，建立了懸臂梁系統的連續模型，並用集中質量法和假設模態法對懸臂梁系統進行了離散化，運用影響系數法對離散化后的系統進行了分析，並把分析結果和連續系統進行了對比，得到了變截面梁的一般分析方法。
  11. Based on the discussions of the conventional and recent methods of short term load forecasting such as time series, multiple regression approaches and artificial intelligence technologies, this paper presents a hybrid short term forecasting model which combines the artificial neural network ( ann ) and genetic algorithm ( ga ). in order to improve the convergence speed and precision of the back - propagation ( bp ), a new improved algorithm - the adapted learning algorithm based on quasi - newton method is given

    本文首先分析比較了電力系統短期負荷預測的傳統方法時間序列法和回歸方法以及最近的專家系統和神經網路技術的優點和不足，然後針對人工神經網路bp演算法的不足對其進行了改進，採用了基於擬牛頓的自適應演算法，它提高了網路學習效率，具有較快的收斂速度和較高的精度。接著提出了改進的遺傳演算法來改善神經網路的局部收斂性。
  12. Postulating that the second - phase participle is a ball together with newton ' s classical mechanics, we develop a new physical model successfully in the thesis under condition that the grain boundary is pinned by the second - phase participle

    假定二相粒子為球形並根據牛頓經典力學理論，本文成功開發了新的二相粒子釘扎晶界的物理模型。
  13. Using the conic function model local approximation, w. cdavidon ( 1980 ) proposed a class of iterative algorithms with modified matrix combining function value, furthermore under the theory d. c. sorensen has used local quadratic approximation method, then applying collinear scaling idea improving on the above algorithm and generalizing it, getting a class of collinear scaling algorithm, unifying former quasi - newton. in the paper, using local quadratic approximation method, the first, constructing the new collinear scaling gene, getting a class of the new collinear scaling algorithm with briefness and numerical stability, ., we discusses some properties of the algorithm and its local linear convergence, q - superlinear convergence and the whole convergence ; secondly we have made numerical experimentation and numerical analysis ; the last, we have done much discussion for collinear scaling idea and given the several new collinear scaling algorithm

    本文的工作就是基於局部二次逼近原理，首先通過構造新的共線調比因子，得到了一類新的更簡潔，數值穩定性更好的共線調比演算法，進而我們給出了本共線調比演算法的局部收斂性，全局收斂性以及演算法q -超線性速度的理論證明；其次，用經典的無約束優化五大考核函數就本共線調比演算法進行了數值試驗和數值分析；最後，就局部二次逼近思想，進行共線調比演算法思想進行更廣泛的討論，給出了幾個新共線調比演算法。
  14. On the basis of theoretic research on developing motivity of relative enterprises, targeting with the development motivity of logistics enterprise, the essay analyzes the developing motivity field model in logistics enterprises according to the logistics field theory, refers to the particle motion and bearing force, uses the newton ' s first and second laws, discusses the relationship between enterprise development level and enterprise bearing force or each motivity resource field, and puts forward the countermeasures on promoting the development of logistics enterprises

    摘要在有關企業發展動力的理論研究基礎上，針對物流企業的發展動力問題，根據物流場理論，對物流企業發展動力場進行分析，構建物流企業發展動力場模型，借鑒質點運動與受力，應用牛頓第一、第二定律，探討企業發展水平與企業發展受力或與各個動力源場強之間的關系，提出推動物流企業發展的策略。
  15. This paper establishes the mathematic model according to the second law of newton and the foundation of the dynamics and analyses respective the force of cart and pendulum adopted the concept of " the equivalent cart " to linearization. the paper specialize the control ability of pendulum system using linear system theory and perform the control of the inverted pendulum applying state feedback theory through pole collocate

    本文首先利用牛頓第二定律及相關的動力學原理建立二級倒立擺的數學模型，對小車和擺分別進行受力分析，並採用等效小車的概念進行線性化處理，並運用線性系統理論分析了這個系統的能控性，提出了應用狀態反饋理論，通過極點配置實現對倒立擺的控制。
  16. For the quasi - newton type trust region method based on the conic model solving unconstrained optimization, horizon vector of the conic medel is proposed, the unique optimal parameter is determined and the numerical results are given in this paper

    摘要對于求解無約束優化問題的錐模型擬牛頓型信賴域方法，本文主要討論了水平向量的選取及最優參數的確定，並給出了數值試驗結果。
  17. Newton ' s thoughts for scientific research are important to the development of modem science, the principal of newton ' s thoughts for scientific research is the laws for judgment, inductive - deductive method, and the combination of mathematics and model, to know these thoughts is significant to modem scientific research

    摘要牛頓的科學研究思想對近現代的科學發展起著十分重要的作用，他的科學研究思想主要是推理法則、歸納法與演繹法結合以及模型與數學相結合的思想，了解這些思想對現在的科學研究仍然有著極其重要的意義。
  18. Regarding the lcm filling process as the newton fluid through fibrous reinforcements, the permeability of preform determines the saturating of resin in fiber, and has effects on the curing process and the quality of products. based on the darcy ' s law, the theoretical model of permeability measurement was established. and the influence of different testing methods and major process parameters such as fabric structure, fiber volume fraction, injection pressure, flow rate and resin viscosity on preform permeability were investigated in details

    文中首先根據達西定律建立了滲透率測量的理論模型，深入研究了不同的測試方法及主要工藝參數（纖維織物織構、纖維體積含量、充模壓力、流動速度、樹脂粘度）對滲透特性的影響規律，發現多孔介質增強材料的滲透率主要取決于纖維織物的結構形式，預成型體孔隙分佈及其體積分數、壓實性對滲透率有較大的影響，提高充模壓力和流動速度可以縮短充模時間，在一定程度上可以提高滲透率。
  19. A load flow algorithm including facts devices is presented in this paper. according to the characteristics of the facts devices, establish appropriately the model of load flow, then solves the load flow using the newton - raphson method

    本文提出了一種包含facts元件的潮流計算方法，根據facts元件自身特點，建立合適的潮流計算模型，再運用傳統的潮流計算方法? ?牛頓?拉夫遜法進行求解。
  20. With finite element method and circuit theory, the nonlinear discrete mathematical model of controllable reactor is presented. secondly, since the controllable reactor is nonlinear, newton - raphson method is applied to solve the nonlinear finite element equations

    本文基於有限元法，採用場一路耦合分析法，構造了在這一混合激勵情況下，分析研究該可控電抗器的非線性的離散數學模型。
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