迭次求和 的英文怎麼說

中文拼音 [diěcìqiúhé]
迭次求和 英文
repeated summation
  • 迭 : Ⅰ動詞（輪流; 替換） alternate; change Ⅱ副詞1 （屢次） repeatedly; again and again 2 （及） in tim...
  • 次 : Ⅰ名詞1 （次序; 等第） order; sequence 2 [書面語] （出外遠行時停留的處所） stopping place on a jou...
  • 求 : Ⅰ動詞1 （請求; 要求） ask; beg; request; entreat; beseech : 求人幫忙 ask sb a favour; ask a favou...
  • 和 : 和動詞（在粉狀物中加液體攪拌或揉弄使有黏性） mix （powder） with water, etc. : 和點兒灰泥 prepare some plaster
  1. The property shows that the maximal solution is well - conditioned. two new iteration methods for finding the maximal solution are proposed. of these two methods, one is a linearly convergent iteration without matrix inversion, and one is related to newton s method and quadratically convergent

    這2種方法，一種是線性收斂的，其優點是迭代過程不需要求矩陣的逆另一種是二次收斂的，數值試驗的結果表明該方法在計算速度和精度方面都明顯地優于現有的其他幾種迭代方法。
  2. After then, a new method of solving the minimal cuts of s - coherent tree based on bdd and prime number was given in the qualitative analysis of fta based on bdd, the prime implicant sets of non s - coherent tree was calculated by an iterative method

    再次，在基於bdd的故障樹定性分析研究中，提出並實現了基於bdd和素數法相結合的單調關聯故障樹最小割集求解的新方法，用迭代法實現了非單調關聯故障樹質蘊含的求解。
  3. It also gave out some reference for the future soc. the fec system can increase the error - correcting ability if we increase the iterative times, which express the excellence of top - down designing and blocking

    在本文所提出的糾錯系統的基礎上，通過增加解碼迭代次數，可以根據要求提高糾錯能力，這使糾錯系統的升級成為可能，再次體現了top - down和模塊化設計方法的優越之處。
  4. The second part studies optimal pure proportional navigation ( ppn ), with time - dependent gain of navigation to maneuvering target based on proportional navigation theory. optimal gain of navigation is constant for ppn without maneuvering ; based on this, solution of time - dependent gain of navigation is given by iteration approach, and the time required for capture is given, the times of iteration is decided by comparing this time with the iteration step

    對目標機動的追逃問題，考慮導航增益可為任意實數，且隨時間和初始條件改變，這一思想是建立在目標非機動的純比例導引制導規律，最佳導航增益為常數的基礎之上，利用迭代的方法，給出了時變的導航增益的求解方法，並給出了實現捕獲所需的時間，用此時間與迭代步長進行比較，判定迭代次數。
  5. The flow equations are solved using finite difference technique. using body - fitted curvilinear coordinate system treated the boundary conditions. by iteratively solving the flow governing equation and the blade equation, the design of axial flow pump impeller in the quasi - three - dimensional rotational flow can be performed according to the angular momentum distribution, the blade which was designed in the lifting method, flow channel and the blade thickness given

    其次在流動無粘性、不可壓及考慮葉片厚度的條件下，依據葉輪內的流動特性，推導了葉輪內三維流動周向平均流動控制方程以及葉片方程；在貼體坐標系中，採用有限差分法求解流動方程和葉片方程；在採用升力法設計出的葉片作為初始葉片、給定葉片速度矩分佈、葉片厚度分佈和葉輪軸面流道幾何形狀條件下，迭代求解流動控制方程及葉片方程，實現了軸流泵葉輪的準三維方法設計。
  6. Abstract : generally a series of eigenvaluse from low to high andcorresponding eigenvectors can be obtained, by using inverse iteration method to solve eigenvalue

    文摘:用逆迭代法求解特徵值問題，可以依次得到一系列由低到高的特徵值和相應的特徵向量。
  7. It is shown that a system of linear equations is resolved to obtain the rotational parameters by using of seven couple of conic curves in image sequences when the motion of a rigid object is pure rotational. when the motion of a rigid object is pure translation, a system of non - linear equations is resolved using iterative method, or using the method for resolving quartic equation. the translation parameters with a scale factor may be determined and the translation direction can be obtained

    研究結果表明，在純旋轉運動分析中，最少利用圖像序列中7條對應二次曲線，可以線性地求解剛體旋轉運動參數；在純平移運動分析中，只需利用圖像序列中1條對應二次曲線就可以求解剛體相對平移運動參數（即平移方向） ，分別用非線性迭代法和一元四次方程解法求解了剛體相對平移運動參數（即平移方向） 。
  8. An optimizing arithmetic for calculating the best - fit sphere is also proposed, the result shows better accuracy is reached comparing to " three points method ", from 107. 8umrms to 25. 66umrms. during interferometric optics test with null lens, " nonlinear errors " of the testing coordinates will be introduced. a method based on ray - tracing, nonlinear fitting and coordinate transferring is proposed to eliminate these errors

    在ccos控制模型及理論計算方面，提出了一種適用於高次離軸非球面最接近球面計算的優化演算法，經計算，某矩形離軸非球面最接近球面半徑的求解精度較傳統的「三點法」有了較大的提高，理論加工余量由原來的107 . 8umrms降低到25 . 66umrms ；提出一種基於磨頭與工件的相對位移量的控制模型，並且開發了阻尼卷積迭代演算法，引入「虛擬加工」的概念進行迭代求解和參數評價。
  9. The accuracy of reliability calculation was improved in the derivative sfem method. the local derivatives of fem and numerical method were used to obtain the iterative formulas of the performance function ' s local derivatives. the procedure is relatively simple and adaptable to engineering application as the stiffness matrix formed and decomposed only once

    偏導sfem可靠度法求解構件疲勞可靠度，可靠度計算精度得到改善，通過有限元求偏導，結合數值微分技術，推導出了功能函數的偏導迭代格式，只需一次形成和分解總綱，計算較簡便，適合工程應用。
  10. Thirdly, subspace iterative method is adopted in the paper, and natural periods and modes of preceding fifteen steps of zhongshan no. one bridge are solved, dynamic characteristics of this kind of structural system are obtained, inherent link between dynamic characteristics and structural rigidity is discussed deep, the viewpoint is provided that dynamic characteristics of a structure are considered as important basis whether structural scheme is rational ; in addition, the author brings out some own views and opinions about calculational methods of prestress value of different sorts of tie rods, simulation of local rigidity region, foundation of a local finite element model of a node

    另外，提出在施工階段中某些構件的應力有可能比成橋狀態的應力還大，需防止在施工狀態中構件因強度不足而破壞；再次，採用于空間迭代法，求解了拱式組合體系橋梁的自振周期和振型，得出該種結構體系的動力特性，深入探討了動力特性和結構剛度之間的內在聯系，提出了把結構的動力特性作為判斷結構方案是否合理的重要依據。此外，本文還就系桿預應力值的確定方法、局部剛度區域的模擬、節點局部有限元分析提出了作者的見解和看法，對解決類似問題得出了一些有參考意義的結論。
  11. 2. based on the inverse position equation and the jacobian matrix, the solution of direct position is obtained through the numerical iteration method. 3

    在機構位置反解和速度雅可比矩陣的基礎上，利用數值迭代的方法對機構進行了正解求解，每次可以求得機構的一組正解。
  12. Secondly, agreement between the result from the mentioned eigenvalue arithmetic and the result from numerical calculation in the airfoil differential equation with runge - kutta method which obtain the trend of physical variable quantity demonstrate the fact that the assumed model and the given equations are valid

    其次，通過用龍格?庫塔的數值方法對微分方程進行迭代，所求出的系統各振動量變化規律和上述算例的特徵值對比，結果是一致的。這就驗證了建模的合理性和方程推導的正確性。
  13. This method assumes that each inteferogram has an identical phase shift that can be found out by least - suqares fitting. this algorithm determines any errors of phase shifts deviating from their i ntended values and also suppresses the errors by substituting actual values in subsequent computation. the algorithm can solve the problem of random phase - shifting very accurately, but the algorithm needs a great of iteration number and considerable calculation

    In - bokkong等人從同一干涉圖中諸象素相移量相等這一認識出發，提出求解各干涉圖的相移量的方法， in - bokkong的演算法是通過交替求解相位分佈和相移量來進行的一種迭代演算法，這種方法可以解決隨機相移誤差問題，且有很高的精度，但迭代次數較多，計算量較大。
  14. A new random phase - shifting correction algorithm is presented in this paper on the basis of five - step phase - shifting. it can directly solve the value of phase - shifting errors without solving phase. meanwhile, the new algorithm can greatly decrease the iteration number and calculation without depressing the measurement accuracy

    本文的重點在於提出一種新的隨機相移誤差的校正演算法，在傳統五步相移的基礎上不需要求解相位分佈，通過合理的近似處理可以直接求解相移過程中存在的隨機相移誤差，在保證精度的情況下，能大大減少迭代次數和計算量。
  15. In the first chapter, we used the method of majoring sequences to studied the convergences of newton ' s methods of " reducing the counting of derivative " and " without inversing of derivative under weak conditions "

    在第一章中，用優序列方法研究了減少導映照計值次數和避免導映照求逆的牛頓迭代在弱條件下的收斂性。
分享友人
分享到 Line

分享到臉書