improvement of convergence 中文意思是什麼

improvement of convergence 解釋
收斂性的改善
  • improvement : n. 1. 改良，改進，增進；進步。2. 利用，活用。3. 〈美國〉（增高房屋、土地等價值的）裝修，改良措施。4. 更優秀的人，更進步的人。
  • of : OF ＝Old French 古法語。
  • convergence : n. 1. 聚合，會聚，輻輳，匯合。2. 集合點；【數、物】收斂；【生物學】趨同（現象）。
  1. The results of numerical experiments, using the four - dimensional variational data assimilation system of the nonhydrostatic mesoscale model mm5, show that : the tangent linear model and adjoint model conducted by keeping the " on - off " switches the same as the basic state, can provide a good approximation of the first - order information to the nlm perturbation and a good descent direction for the minimization procedure ; switching on and off at every other time step in the kuo cumulus parameterization scheme do n ' t impact the convergence rate of cost function ; the existence of the switches do n ' t impact improvement to the mm5 model rainfall prediction because that not only specific humidity, but also wind, temperature and pressure are assimilated into the model

    非靜力中尺度數值模式mm5的四維變分資料同化系統進行的數值試驗結果表明： 「開關」變量保持與基態一致，所構造的切向線性模式能夠提供關于非線性模式擾動的一階近似，伴隨模式所計算的梯度值能夠為最小化過程提供較好的下降方向；郭氏降水參數化方案中對流每隔一個積分步的交替發生並不影響目標函數最小化的收斂速度； 「開關」變量的存在也不影響將風、溫度、氣壓和比濕結合起來同化對mm5降水預報準確性的提高。
  2. According to the characteristic of the distribution network, based on thenewton - raphson method, used the object - oriented thought, bring forward an unite load node method for power flow calculation, and making a improvement of the node number method which is suitable for newton - raphson method, obtained a rapid convergence calculation method for power flow calculation

    根據配電網的特點，基於牛頓?拉夫遜法運用面向對象的思想，提出了負荷節點合併的潮流計算方法，並引入了改進的，適合於牛頓拉夫遜法的節點編號方案，得到了一個快速收斂的潮流演算法。
  3. Rut there also exist some imperative problems which have n ' t been resolved, such as the problem of optimizing network structure, the design of learning algorithms, the improvement of convergence speed and error precision, the decrease of anthropic factors and so on

    但是也存在一些亟待解決的問題，如網路結構的優化問題、學習演算法的設計、收斂速度和誤差精度的提高及人為因素的減少等方面。
  4. Its principal means is to regulate transformer rate and to parallel with capacitors. thie paper implements reactive power optimization calculation based on above mathematical model by genetic algorithm. to overcome the poorly computational efficiency of genetic algorothm, we also makes an improvement of it to enhances its convergence speed and search efficiency

    無功優化主要採用調整變壓器分接頭和並聯電容器兩種方法，用遺傳演算法實現了基於以上數學模型的配電網無功優化計算，針對遺傳演算法計算效率低的現象對常規遺傳演算法加以改進，進一步提高了演算法的計算效率和全局尋優能力。
  5. An improvement of simulated annealing algorithm and its convergence study

    改進的模擬退火演算法及其收斂性研究
  6. A topic of my thesis is to consider the new algorithms and improvement of algorithms for general set - valued quasi - variational inequalities and quasi - complementarity problems. in addition, we prove the existence of solutions for the class of general set - valued quasi - variational inequalities and quasi - complementarity problems and discuss the convergence of iterative sequences generated by iterative algorithms

    與以往不同，這里討論的是一般多值擬變分不等式及擬補問題的新演算法以及改進演算法的情形，並給出了此類問題的解的存在性以及由此演算法生成的迭代序列的收斂性。
  7. Many other variation of huff's method can be proposed for simplification, generalization or improvement in convergence and in precision.

    哈夫法還可以用很多不同的方式來簡化或使其通用化，也有很多不同的方式來改進其收斂性和精確度。
  8. Abstract : in this paper, the nonlinear optimal control problem connected with the ordinary differential system is considered, two modifications to the standard gradient procedures are constructed. the presented methods are based on the qualitative approximations of the cost functional. for linear - quadratic problems, the modifications have the property of the nonlocal improvement in contrast to the standard gradient procedures. some results relating to the convergence of the new methods are proved

    文摘:討論非線性最優控制問題構造的標準梯度方法的兩種改進方法.文中的方法是以罰函數的有效近似為基礎，與標準梯度方法相比，該方法對于非線性二次問題具有非局部的特點，同時給出相關收斂結果
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