asymptotic method 中文意思是什麼

asymptotic method 解釋
漸近法
  • asymptotic : 漸近的
  • 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. Asymptotic stability of midpoint euler method for delay differential equations

    時滯微分方程中點歐拉法的漸近穩定性
  2. Facilitating the configuration of protocol parameters, optimization of protocol operations, and more exact estimation of protocol performance, etc. basing on combinatorial theory and asymptotic method, we analyzed the properties of manets with nodes uniformly distributed in rectangular region. mathematical formulas of some basic properties of manets are obtained, such as the expected number of wireless links, mean node degree, the relation between network connectivity and radio range

    因此本文第二章基於組合學方法和極限思想研究了矩形區域內節點均勻分佈的無線自組網的幾項基本屬性，網路中鏈路總數的期望值，網路中節點度數分佈情況，以及網路連通性與無線信號傳輸半徑的關系等，得出了其解析描述。
  3. In the end, the impedance matrix of any three - dimensional conducting object can be portioned into sub - matrices by the projection iterative method ( pim ), the surface current and rcs can be calculated with convergent iterations, the wide - band electromagnetic scattering characteristics of three - dimensional conducting objects are also analyzed with the asymptotic waveform evaluation technique

    最後應用投影迭代方法（ pim ）將三維導體目標的阻抗矩陣剖分成小矩陣，通過迭代計算出表面電流和雷達散射截面，並與漸近波形估計技術結合分析了三維導體目標的寬帶電磁散射特性。
  4. Angular distributions for some interesting states of 12b and 13c have been experimentally measured in hb ( d, p ) and 12c ( d, p ) reactions. the density distributions, rms ( root mean square ) radii, contributions of outside nucleon, etc., of the valence neutrons in these states are extracted by dwba ( distorted wave born approximation ) method and anc ( asymptotic normalization coefficient ) method, respectively

    實驗測量了11b （ d ， p ）和12c （ d ， p ）反應中12b和13c幾個感興趣的核態角分佈，分別用dwba方法和anc方法從角分佈數據中抽取了各核態外層中子的密度分佈、 rms半徑以及外層核子的貢獻等，對這兩種方法作了比較。
  5. Making use of asymptotic analysis of a queue handling many traffic sources, a method for estimating qos parameters based on measurement is presented, which takes into account the effects of the finite buffer space on the multiplexing performance

    利用大數量業務源復用漸近分析理論提出了一種基於測量的qos參數估計方法，該方法考慮了有限容量緩沖區對復用性能的影響。
  6. 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
  7. Study on natural vibration of cable bearing weight with asymptotic method

    採用漸近法研究負載鋼絲繩的固有振動
  8. Asymptotic method for solving resonance solutions of strongly nonlinear systems

    求強非線性系統共振解的漸近法
  9. Studying the stability of elastic rod with varying cross section by wkb asymptotic method

    漸近法研究變截面彈性桿的穩定性
  10. Reagarding the inertia force of rotor as the force acting on the shaft, the effect of thermal expansion upon the natural transversal vibration frequencies of rotor system is studied by a new nonlinear asymptotic method

    摘要把轉子的慣性力看成作用在軸上的外力，採用新的非線性漸近法研究熱膨脹對轉子系統固有橫振頻率的影響。
  11. Theoretical analysis and experimental results indicate that algorithm ecfpcg1 and algorithm ecfpcg2 es - tablished by specifying parameters are much more efficient than the imth method, and roughly speaking, the relative efficiency of the algorithms versus the imth method tends to + 00 at the asymptotic formula inn / in3 when n tends to + 00

    理論分析結果表明：這兩個演算法比imth方法具有更高的效率，而且，演算法ecfpcg1的效率高於演算法ecfpcg2的效率。進一步地，演算法ecfpcg2與imth方法的效率比分別為問題維數n和目標函數復雜性嚴格遞增函數，而且這個效率比的下界隨問題維數n的增大以ln （ n ） ln3的速率趨于無窮大。
  12. This dissertation contains the following parts : the extraction algorithm for instantaneous frequency of asymptotic signals based on wavelet ridge is proposed in this dissertation, and the asymptotic estimation method for wavelet transform of asymptotic signals is deeply studied

    本論文主要做了以下工作：提出了基於小波脊線的漸近信號瞬時頻率提取演算法，並研究了漸近信號小波變換的漸近估計方法。
  13. By using elementary method, a new arithmetic function is studied, and an interesting asymptotic formula is obtained

    摘要利用初等方法研究一個新的數論函數的均值性質，並給出關于這個函數的一個有趣的漸近公式。
  14. In conclusion, the rationality and effectiveness of the constitutive model applied in the paper are verified through theoretical analyses and corresponding numerical calculations to provide a feasible method for final solutions of the problems of the asymptotic crack - tip field, as well as. theoretical references for solutions of the difficult problems encountered in engineering practices

    總之，通過理論分析和相應的數值計算，驗證了本模型的合理性和有效性，為最終解決裂紋尖端漸近場問題提供一種可行的方法，並且對于解決工程實踐中所遇到的難題提供理論上的參考依據。
  15. The stability for difference equation is maily considered in chapter 3, where, in section 1, a new method, called " semicycle analysis method ", is introduced to investigate global asymptotic stability of rational difference equations, and which is different from the existing ways, originates from the authors " trying to solve a conjecture presented in " journal of difference equations and applications " with respect to the global asymptotic stability of a detailed rational difference equation, and which can be used to solve the global asymptotic stability of a kind of rational difference equations which are very difficult to be solved in the methods in the kno, n literature

    第三章我們主要研究了差分方程的穩定性。在第一節中介紹了一種新的方法，稱之謂「半環分析法」 ，研究有理型差分方程的全局漸近穩定性；這種方法有別于已知方法，產生於作者試圖解決國際期刊《 journalofdifferenceequationsandapplications 》上提的關於一個具體的有理型差分方程的全局漸近穩定性的猜想時；這種方法可以應用來解決一類有理型差分方程的全局漸近穩定性，且所考慮的問題很難用已有文獻中的方法解決。
  16. The variable bandwidth local linear regression method we used in this paper have the advantages of both the local linear regression method and the variable bandwidth idea. the variable bandwidth henced the flexibility of the estimation. and it make this method can fit the spacial complex curve very well. and the asymptotic results of the estimation found the theoretic base for find the best variable bandwidth and drive the pratical best variable bandwidth from data directly

    本文所用的變窗寬局部線性回歸方法，繼承了局部線性回歸的優點，並且使用變窗寬提高了所得估計的可塑性。並使之能成功地處理空間非齊次曲線等復雜形狀的曲線擬合問題。所得估計的漸近結果為求漸近最優窗寬方案以及直接從數據估計最優變窗寬提供了理論基礎。
  17. By resorting to the residue method, the asymptotic formulas for the eigenvalues and the expansion theorems of dirac eigenvalue problems are proved under the self - adjoint and non - self - adjoint boundary conditions

    本文用留數方法證明了自伴和非自伴的dirac運算元的特徵值估計和特徵展開定理。
  18. By resorting to the integral identity and the residue method, asymptotic estimations of the dirac operator eigenvalue are considered and eigenvalue ' s trace identities are obtained

    藉助於一個積分恆等式，採用留數方法，對dirac運算元的特徵值進行了估計，得到了在各種情形下的特徵值的漸近跡公式。
  19. From 1920s up to now, various techniques and methods for wave field decomposition, propagation and migration / imaging have been well developed, such as the kirchhoff asymptotic method, frequency - wavenumber domain phase - shift and phase - shift - plus - interpolation methods, and the one - way wave equation based phase - screen and generalized screen methods, etc. wave field extrapolation in these methods is implemented based on the expansion of the wave field by sets of basic functions like spatial fourier harmonies, modes, and green ' s functions

    自上個世紀二十年代至今，波場分解、傳播與偏移成像技術經歷了將近一個世紀的發展，形成了多種不同的方法，如kirchhoff波動方程高頻近似解方法，頻率-波數域的相移（ phase - shift ）方法和相移-內插（ pspi ）方法，以及在混合域中基於單向波動方程的相位屏、廣義屏方法等。
  20. In this paper, an asymptotic method have been studied to solve the nonlinear partial difference. the content of nonlinear theory has been enriched. some methods, which are used to solve strongly nonlinear equation, have been expanded

    本文主要是對求非線性偏微分方程的漸近解進行研究，進一步豐富了非線性理論的內容，拓寬了求解強非線性問題的一些方法的應用范圍。
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