moments method 中文意思是什麼

moments method 解釋
矩量法
  • moments : 的瞬間
  • method : n 1 方法，方式；順序。2 （思想、言談上的）條理，規律，秩序。3 【生物學】分類法。4 〈M 〉【戲劇】...
  1. Second, it presents the project design of an astronauts ’ kinetic measurement system that can precisely measure the forces and moments of key points on motorial person. it presents a principle and flow of the project design of an astronauts ’ kinetic measurement system. and it particularly discusses the demarcate of camera system, the gathering and storage of experiment pictures, pick - up of the symbol data, the parameter calculating method of target movement, and the general design of assistant equipment

    然後給出航天員作用力測量實驗系統的設計方案，該系統能夠克服重力影響，較精確地得出運動時人體各關鍵點產生的力和力矩;給出了航天員運動參數測量實驗系統的原理及流程，並詳細論述了攝像系統標定，實驗圖像的採集與存儲，標志點數據的提取及目標運動參數解算的方法;給出了輔助設備的概要設計。
  2. The structure of the upper platform on the simulating table that is put forward is analysed with analysis software ansys of finite element. and the mass of subjacent platform for simulating table is calculated with the method of equilibrium of moments under conditions of the simulating table is static or operating no take place overturn

    機械設計方面：設計了模擬轉臺上、下平臺的結構，並運用有限元分析軟體ansys對所提出的模擬轉臺上平臺結構進行分析，利用力矩平衡方法計算了模擬轉臺在靜止以及運動過程中不發生傾覆所需要下平臺的質量。
  3. The content of this thesis comes from the fujian natural science found following research task 。 it studies on a space cantilever single beam attached to a moving support 。 inertia forces which are brought by the support ' s movement ， are acceded to the equivalent initiative forces and the equivalent initiative moments 。 when we consider the relation of the forces and deformation ， we change the method of material mechanical analysis to the elastic mechanical analysis 。 further more ， we discusses the feasibility of the method which uses the multi - rigid - body discrete model to simulate the dynamic characteristic of a elastic body 。 first ， the finite segment method is adopted to establish the models of the beam 。 based on kane ' s equations ， dynamic math - model for the beam are derived 。 and by use of c - language and runge - kutta procedure ， the computer - oriented procedure can give the whole responses of the beam 。 second ， with compare to the numerical examples ， the method which uses the multi - rigid - body discrete model to simulate the dynamic characteristic of a elastic body which is under the condition of movement is verified to be feasible 。

    本論文為福建省自然科學基金后續研究課題，以已知支撐運動的單個空間懸臂梁為對象，在等效主動力與等效主動力矩中加入支撐轉動引起的慣性力，並在考慮力與變形關系時，用更一般的彈性力學分析代替材料力學分析，進一步研究用多剛體離散模型來模擬其動力學特性的可行性。首先，用有限段建立機械臂的多剛體離散模型，用kane動力學方法建立其動力學方程。並用c語言編制演算法程序，採用了四階runge - kutta積分程序求解微分方程組，給出構件的全部動態歷程。
  4. Some key techniques using the method of moments in the analysis of receiving performance of array are given

    本文給出使用矩量法分析天線陣接收性能時幾個關鍵問題的處理方法。
  5. At first, extracting features of chromaticity moments was done, then classification method of svm for recognition of plant disease was discussed

    首先利用色度矩提取植物病害葉片的特徵向量，然後利用支持向量機分類方法進行病害的識別。
  6. The article deals with the definition of moments of mwd ( molecular weight distribution ), the method for calculating moment of mwd, and particularly the method for calculating for moment of mwd of slurry hdpe ( high density polyethylene )

    摘要涉及相對分子質量分佈矩的定義及其計算方法，特別是淤漿法高密度聚乙烯鏈長分佈矩的計算方法。
  7. Analyze the linear dipole array with uniform element spacing using the method of moments ( mom ), derive the analytical expression for the recovered signal with the direct data domain method, demonstrate the effect of the mutual coupling on the performance of the antenna array by examples, the degradation of the system caused by the mutual coupling is simulated and analyzed in two different electromagnetic environments such as the weak and strong interference

    用矩量法計算了幾個信號同時照射時對稱陣子均勻直線陣的電流分佈，用直接數據域演算法推導了此接收陣列的恢復期望信號的表達式，舉例說明了互耦對陣列天線性能的影響，數值模擬了在弱干擾和強干擾下，互耦造成系統性能下降的情況並分析了原因。
  8. Then we let the synthetically grading method marry to linear regression in moments of empirical analysis in order to get rid of the limitations of short term phenomenon caused by single ratio to research the efficiency of corporate governance, and we also research the effects of the share centrality on the corporate structure

    在前述分析的基礎上，為避免單一效率指標以及治理效率考察的短期效應的不足，本文在實證中把綜合評分法和線性回歸分析結合起來，探求股權集中適度性對治理效率的影響。
  9. Standard test method for measuring the quasi - static release moments of alpine ski bindings

    測量高山滑雪板綁帶的準靜態脫扣力矩的標準試驗方法
  10. Substituting the above mod al reactions ( moments ) and excitation forces into the shell ' s modal vibration equations, the shell ' s radial modal velocity are obtained from which the far - field sound pressure derived by stationary phase method can be calculated

    將以上各項荷載和激勵力代入殼體的模態運動方程，可求得殼體的模態徑向速度，然後由穩相法得到遠場聲壓的解析解。
  11. This dissertation is focused on the radiation problems of various kinds of wire antennas mounted on the complex - shaped pec platform and the scattering problems of complex - shaped electrically - large pec targets based on the theory of method of moments

    本文主要應用基於電場積分方程（ efie ）的矩量法（ mom ）研究復雜形狀的金屬載體上多種線天線的電磁輻射問題以及復雜形狀金屬目標的電磁散射問題。
  12. In 6. 635, topics covered include : special relativity, electrodynamics of moving media, waves in dispersive media, microstrip integrated circuits, quantum optics, remote sensing, radiative transfer theory, scattering by rough surfaces, effective permittivities, random media, green ' s functions for planarly layered media, integral equations in electromagnetics, method of moments, time domain method of moments, em waves in periodic structures : photonic crystals and negative refraction

    本課程所覆蓋的論題包括：狹義相對論、運動媒質的電動力學、色散媒質中的波、微帶集成電路、量子光學、遙感、輻射傳輸理論、粗糙表面上的散射、有效介電系數、隨機媒質、平面層狀媒質的格林函數、電磁學中的積分方程、矩量法、時域矩量法、周期結構中的電磁波：光子晶體和負折射率。
  13. Many technologies of electrically small antennas and wide band antennas are discussed in theory, simulation and experiment. and some novel electrically small or wide band antennas are proposed. the loaded monopole is analyzed in depth integrating the genetic algorithm ( ga ) with the method of moments ( mom ) in order to increase the gain and decrease the vswr of antennas used at hf / vhf band

    在本論文的研究過程中，通過合理利用各種現有的天線寬帶化和小型化的理論成果、有效的綜合各種技術措施，運用矩量法和遺傳優化演算法等數值方法，深入研究了加載單極子天線問題，旨在全面提高高頻/甚高頻頻段內的天線增益和降低電壓駐波比，以獲得較高增益的、基本滿足駐波要求的小型超寬帶天線。
  14. A mathematical model, computational method and some experimental results are presented for the hydrodynamic interacting forces and moments between two 3 - d bodies moving in an unbounded water domain. this work is stimulated by a study of the hydrodynamic interactions when a uuv approaching to a parent submarine

    本論文給出了水下雙體運動流體動力干擾的數學模型、計算方法和試驗結果，目的在於研究水下無人平臺（ uuv ）接近母潛艇時的水動力干擾及其規律。
  15. By using the calculating method of the flat - plate floor, the bend moments of the slab in different place are calculated. the moment distribution ratio between the column trip and the middle trip of the cast - in - place reinforced concrete hollow flat - plate floor calculated by the equivalent frame method is demonstrated. the moment of the cast - in - place reinforced concrete hollow flat - plate floor calculated by the experience coefficient method is also demonstrated

    進而將無梁樓蓋體系的計算方法應用於現澆空心板無梁樓蓋中，通過對板格彎矩的分析，得出了現澆空心板無梁樓蓋按等效框架法計算的板帶彎矩分配比例系數，按經驗系數法計算的板帶彎矩設計值。
  16. Firstly the method of rayleigh - ritz and galerkin were adopted to analyze the beams under loading combined antisymmetric end moments with transverse uniformly distributed load theoretically, and the results were compared with that offered by kirby, p. a and nethercot, d. a, it showed that result was approximate and even lower and so to some extent the approach used in the paper is practice. secondly several principal factors that affect the beam stability were analyzed respectively, especially the shortening effect was mentioned scarely in some literature so far. at last, the author adopted the matlab to program the finite element software to analyze numerically, the results derived from it were agreed well with it

    本文分別採用了rayleigh - ritz法和galerkin法從理論上分析了反對稱端彎矩及橫向均布載共同作用下樑的等效彎矩系數，並與kirby ， p . a和nethercot ， d . a分析結果進行對比，結果表明本文採用的方法得出的等效彎矩系數與其得出結果比較，在均布荷載與端彎矩比例相差不大時基本接近或偏小，說明此方法是可行的，而當均布荷載與端彎矩比例較大時，應根據均布荷載作用進行彎矩等效方法來計算。
  17. Finally, applying the current basis function of three - term sinusoidal expansion, the radiation characteristic and input impedance of the vertical and horizontal antennas above lossy ground are analyzed by the method of moments with the variation of frequency, height from the ground and ground parameters

    最後，用矩量法，採用正弦插值基函數，研究地面上方垂直、水平線天線的輻射特性和輸入阻抗隨著頻率、離地高度、地面參數等變化的情況。
  18. So at first the on the base of the deep study on method of moments, this dissertation analyses the problem of the mutual coupling of the thin dipole antenna arrays

    所以本文首先運用矩量法對細線對稱振子陣中陣元互耦效應進行了分析和計算。
  19. Then comparative study of bending moments and shearing forces is performed with the results calculated by traditional design loads method for the same assumption and the changes of wave loads are discussed in this paper

    在一定假定條件下，將切片法計算的波浪彎矩與剪力同靜置法計算結果進行了比較，分析了破損后的載荷變化，為船體總縱剩餘強度研究提供依據。
  20. Form the experiment results, we can see that zeroth order moments method is not appropriate for this reconstruction and recognition system because it discards all the detail information of an image color and texture. however, considering on all pixel color, color histogram is suitable for this recognition system

    從模擬結果可以看出，由於零階矩沒有利用圖像的全部顏色細節和紋理信息，識別效果不是很好，而彩色直方圖比較的方法是針對于上述飛機模型庫進行識別的合適的方法。
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