近似方法 的英文怎麼說

中文拼音 [jìnsìfāngfǎ]
近似方法 英文
approximate method
  • 近 : Ⅰ形容詞1 （空間或時間距離短） near; close 2 （接近） approaching; approximately; close to 3 （親...
  • 方 : Ⅰ名詞1 （方形; 方體） square 2 [數學] （乘方） involution; power 3 （方向） direction 4 （方面） ...
  • 法 : Ⅰ名詞1 （由國家制定或認可的行為規則的總稱） law 2 （方法; 方式） way; method; mode; means 3 （標...
  • 近似 : approximate; similar; approach; approximation; roughness; propinquity
  • 方法 : method; means; way; technique; process; procedure; plan; device; recipe; fashion; tool; maneuver
  1. The adequacy of this approximation is considered later.

    這種近似方法的適用性將在後面再討論。
  2. Abstract : considering the second nearest - neighbor interaction and cubic, quartic anharmonic interactions simultaneously, we employ the multiple scales method combined with a quasidiscreteness approximation to calculate the lattice vibration. it is shown that the kind of nonlinear chain exhibits envelope soliton, envelope kink and envelope antikink soliton. these results can also be used to explain the experimental phenomena that the kink amplitude of the self - localized structure is determined only by the intrinsic properties of its lattices

    文摘:同時考慮次近鄰諧振相互作用和三次方、四次方非諧相互作用，利用多重尺度結合準離散近似方法去計算晶格振動行為，發現一維非線性點陣中存在包絡孤子及正扭結型包絡孤子、反扭結型包絡孤子，解釋了自局域結構的幅度只取決于點陣中的固有參數的實驗現象
  3. The striking fact about heron's work is his commingling of rigorous mathematics and the approximate procedures and formulas of the egyptians.

    Heron的工作突出之點是他把嚴密的數學同埃及人的近似方法和公式融合在一起。
  4. We collect distributing of near - field of optical switch output - port. using gaussian curve fit, we measure the extinction ratio of " bar channel " is 8db, and the extinction ratio of " cross channel " is more than 18db

    利用紅外攝像機採集的光開關輸出的近場分佈，採用對場光場能量高斯擬合的近似方法，測得該關注入光開關的直通端的消光比可以達到8db ，而反射端的消光比則至少可以達到18db以上。
  5. The opacity of element is calculated with a bsa ( band smear approximation ) theory on the basis of hydrogen - like screen average atom model

    在此基礎上，用能帶抹平近似方法計算元素的不透明度。
  6. The measurement of small angle of biprism by displacement method

    離散偶極子近似方法
  7. This article describes the development process of surrogate models and introduces some experiment design methods and approximation approaches that can be used for a mdo surrogate model, they are full factorial experiment design, orthogonal experiment design, uniform experiment design, central - composite experiment design, and polynomial response surface method, kriging method, radial basis function method and artificial neural network

    為此本文中分別介紹了正交試驗，均勻試驗以及中心復合試驗等幾種試驗設計方法，以及多項式響應面， kriging ，和徑向基函數等幾種數學近似方法。並且通過構造描述機翼展向升力分佈的代理模型，對上述幾種方法作了對比分析。
  8. According to the geometrical characteristic of the arch dam shape, and based on the parameter design language of ansys software ( apdl ), the subp method and the stochastic search method are adopted together to optimize design of hyperbolic arch dam with variable thicknesses of the circle

    摘要根據拱壩體形的幾何特徵，基於ansys軟體的參數化設計語言（ apdl ） ，將零階近似方法和隨機搜索法結合起來對單圓心變厚度雙曲拱壩進行了優化設計。
  9. In the last part of the paper, we derive the euclidean equation of motion of the magnetic vector in a theoretical magnetic film consisting of biaxial - anisotropic molecular ferromagnets, which is reduced to the 2 + 1 dimensional sine - gordon field equation in the strong anisotropy limit. we obtain various domain structures which are the static solutions of the sine - gordon field equation

    最後考慮由雙軸各向異性分子磁體形成的理想無界膜，在強各向異性極限下，採用半經典近似方法，將磁化矢量的時空運動方程約化為2 + 1維sine - gordon場方程，從而得到各類疇結構。
  10. The main design procedure involves the use of a feasible approximation method to establish a finite - dimensional and interconnected nonlinear dynamics, and then utilize the cascaded nonlinear feedback design for achieving uniform output regulation

    主要設計方式擬先採用可行近似方法建立一有限次元及內都串聯的非線性動態，接著利用串級非線性回饋控制設計使得均一輸出能規則化。
  11. Surrogate model is an important component of multidiscipline design optimization ( mdo ). a surrogate model is created with experiment design methods and approximation approaches, and it can be easily integrated into a mdo framework

    通過對比分析，我們認為要構造代理模型就必須引入能夠大大減少試驗次數的試驗設計方法和能夠解決高維非線性問題的近似方法。
  12. Up to now, the method, we used in studying the properties of collective multipole excitations of nuclei, treat the continuum by a discretization procedure with expanding wave functions in a harmonic oscillator basis. this approximation can be justified for very narrow resonances and gives a global description of the contributions from the continuum. a complete treatment of the continuum can be carried out by the continuum rrpa with a green " s function method

    為了解決這些問題，需要改進相對論無規位相近似方法對z連續態的處理，採用連續相對論無規位相近似計算，通過格林函數方法可以嚴格處理連續態在核的集體激發中的貢獻，並用來描述核的集體巨共振性質，包括核的巨共振能量、巨共振峰的強度以及巨共振寬度等重要的物理量。
  13. The best combination of size parameters of supported domain and sub - domain is obtained. upwind scheme is developed to eliminate the instability of solutions obtained by using mlpg approach. 2

    分析了試函數構造的近似方法、節點和輔助點數量、多項式基函數位數和支撐域尺度對數值模擬結果的影響。
  14. In order to study the quantum effects of an extra dimension, a hamiltonian formulation for a 5d frw cosmology is derived through the direct quantum approach and the full wave function of the 5d universe is separated using a late - time approximation. due to the compactness of the extra dimension, the momentum ps along t he fifth dimension is quantized

    為研究緊致額外維的量子特性，我們首先從直接量子化方法給出了五維frw宇宙的哈密頓公式，並用后時近似方法分解了五維宇宙波函數，進而得到因第五維的緊致性而量子化的第5維動量。
  15. Basing on the method of approximate mechanics, the mechanical behavior and fatigue fracture characteristic of steel bridge asphalt mixture surfacing under repeated load was analyzed

    摘要採用力學近似方法，對鋼橋面瀝青混合料鋪裝層在循環荷載作用下的力學行為和疲勞損傷特性進行了理論分析。
  16. At last, an approximate method for evaluate fatigue life of structures under repeat random stress block is presented through a lot of calculation examples

    進一步分析了隨機應力循環下結構的疲勞損傷，導出損傷演化的遞推公式，並結合大量的計算給出結構在應力塊重復循環下疲勞壽命估算的一個近似方法。
  17. Thirdly, it utilizes line tracking and douglas - peucker line - simplification algorithm to realize the raster - to - vector conversion. a triangulated irregular network ( tin ) is constructed based on vector data, and dem point - array data is computed by interpolating grid on tin

    第三，使用輪廓線跟蹤演算法和dpl多邊形近似方法實現等高線數據的矢量轉換;並基於等高線矢量數據建立不規則三角網，再內插格網生成dem點陣數據。
  18. This work gives amsotropy surfaces of three collision systems he - hf, he - hcl, he - hbr. comparing theoretical results with experimental ones has carried out the discussion on feasibility of adapted potential model. all differential cross sections ( dcs ), partial wave cross sections ( pcs ) and total scattering cross sections ( tcs ) have been achieved by using close - coupling approximation method to calculate the three systems, and results above have also been discussed and analyzed

    首先，具體介紹了理論計算方法? ?密耦近似方法，接著討論了各種勢能模型的優缺點，利用孫桂華改進的勢能模型? ? ms勢，分別給出了he - hf 、 he - hcl 、 he - hbr三個碰撞體系的各向異性勢能面，並結合計算結果與實驗結果的比較，對所採用的勢能模型的可行性展開了討論；用密耦近似方法對he - hf 、 he - hcl和he - hbr三個碰撞體系進行計算，得出了各種微分散射截面、分波截面和總散射截面，並將計算結果進行討論和分析。
  19. The relaxation oscillation in solid - state laser with relaxation oscillation pumping is studied theoretically by the rate equation. the undulation of the laser photon density contains relaxation oscillation frequency itself and that of pumping. when those two frequencies are close, the oscillation will be resonated

    我們用速率方程小信號近似方法對泵浦帶有弛豫振蕩的固體激光器的弛豫振蕩的特性進行了系統的理論研究，發現實際光子數的起伏同時具有自身固有的弛豫振蕩頻率和泵浦光的弛豫振蕩頻率兩種分量。
  20. ( 2 ) the symplectic integrator method is applied to the high frequency asymptotic evolution of the wave equation based on maslov symplectic geometrical theory

    （ 2 ）將辛演算法運用到基於masiov ?辛幾何理論的求解波動方程的高頻近似方法中。
分享友人
分享到 Line

分享到臉書