numerical optimization 中文意思是什麼

numerical optimization 解釋
數值優化
  • numerical : adj 數字的；數值的；用數字表示的。 （a） numerical order 號數。 a numerical statement 統計。 the ...
  • optimization : n. 最佳化，最優化。
  1. In view of this situation and the characteristic of qualitative variable as well as quantitative variable of the geological factors affecting coal seam affusion, put forward the application of numerical theory on the basis of optimization study of orthogonal design to confirm the optimal combination of the technical parameters of coal seam affusion when geological factors is in precarious state and then proceed optimization study with instances

    針對這種情況及影響煤層注水的地質因素既有定性變量，又有定量變量的特徵，本文在利用正交設計優化研究的基礎上，提出利用數量化理論確定地質因素為不穩定狀態下的煤層注水工藝參數的最優組合，並結合實例進行了優化研究。
  2. Based on the above, a surrogate models are built for thermal conductibility performance of sandwich panel with " v - type " folded core in this paper, and they can be optimized by multi - subject. the numerical simulation function and optimization design method in condition of lightest weight are shown in this paper

    其次，用isight軟體重新設計了40組不同構型的試驗設計點，並以此為基礎對v型褶皺芯材夾層板的熱傳導性能構建了可用的代理模型，給出了數值模擬函數和最輕重量條件下的優化設計方法。
  3. On one hand, numerical derivatives provide proper search directions in optimization, therefore their accuracy is of great importance for fast convergency. on the other hand, derivative evaluation is one of the most time - consuming steps in optimization

    當前的高性能數學規劃演算法大都依賴于導數計算以快速收斂到最優點，所以對求導精度的要求比較高；而導數計算所消耗的時間占優化時間的比例又非常的大。
  4. Numerical modeling of flowing in the seawater desalting devices and its optimization

    大型海水淡化裝置流場數值模擬及其優化
  5. Numerical optimization in a structured unstructured grid

    非結構網格中的數值優化計算
  6. At first, based on the simple genetic algorithm, an improved ga which adopts a combination of emigration policy and adaptive operator is presented. results of numerical optimization show that the improved ga is effective on preventing premature problem

    本文在基本遺傳演算法的基礎上首先研究了浮點編碼遺傳演算法在數值優化中的應用，通過引進「移民策略」和自適應運算元相結合的方法，改進了基本遺傳演算法在後期進化緩慢的問題，極大地減少了早熟性收斂的現象。
  7. Numerical optimization of circulation distribution on marine propellers

    船舶螺旋槳葉片環量的數值優化
  8. Backpropagation model of the ann is used in knowledge storage and the leverberg - marquardt algorithm based on numerical optimization is used in training the neural networks

    採用了基於數值優化的leverberg - marquardt （簡稱lm ）演算法，對網路進行訓練，完成知識庫的組建。
  9. An optimizing method with constant pressure ratio is initially applied to the mixed refrigerant cycle. this method greatly simplifies the calculation of the cycle, and is helpful in numerical optimization of various cycles, especially in the complex cycles

    本文首次採用混合工質製冷機循環的定運行壓比優化方法，大大減少了循環的計算量，為各種混合工質製冷機循環，尤其是復雜循環的數值優化奠定了基礎。
  10. Blade design optimization problems are multimodal and discontinuous problems, the use of gradient - based numerical optimization algorithms perform inefficiently and drop into local minimum prematurely. hence, the exploratory algorithms such as gas are required for global exploration. 4

    4 .通過rsm方法擬合復雜的響應關系，平滑設計空間「噪聲」 ，能夠防止數值優化方法陷入局部極值點，獲得良好的魯棒性和適應性。
  11. The orthogonal design and least square methods were used to fit the response surface, and the optimal one was obtained by the numerical optimization program dot

    根據正交試驗設計法安排每個試驗點，最小二乘法擬合響應面，利用dot程序得到該響應面的最優值。
  12. On the basis of kinematics analysis and model transformation, an error equation of the robot kinematics parameter is established with numerical optimization, and the optimal design for kinematics parameter is realized, which effectively increases the repositioning precision of the robot

    在運動學分析和模型變換的基礎上，運用數值優化技術建立了機器人運動學參數的誤差方程，實現了運動學參數的優化設計，有效提高了機器人的重復定位精度。
  13. Vanderplaats, g. n., numerical optimization techniques for engineering design, mcgraw - hill ( 1993 )

    徐業良，工程最佳化設計，國立編譯館（ 1995 ）
  14. A comparative study on some typical improved models of bp networks, which based on gradient descent and numerical optimization are proposed

    全局優化改進策略從基於網路模型的優化和基於網路演算法的優化兩個方面考慮。
  15. The design method proposed in this paper is, in principle, based on the potential - stream function inverse method, using numerical optimization to obtain optimized blade profiles

    本文是在反方法葉型設計的基礎上，採用優化方法有效調節給定的初始速度分佈來獲得優化葉型。
  16. Studies have shown that the computing efficiency and the convergence rate of mec are generally higher than those of gas by more than 50 % in the numerical optimization

    研究已經表明， mec的計算效率和收斂性能比標準ga及其它進化演算法一般要高50以上，說明mec是一種高效的演算法。
  17. At the temperature level of - 60 ?, verious experiments are conducted on the cycles of lhr, acr _ i, acr _ r, with two component mixed refrigerants. the results are consistent with that of the numerical optimization

    在即溫度位，對利用二元混合工質組元的mr 、 「凡i和北lr循環分別進行了實驗優化研究。
  18. This paper is devoted to some numerical optimization methods and optimization models for solving practical problems in real world. the methods we concern with are the conjugate gradient algorithms, evolutionary algorithms and goal programming

    本文對近年來備受關注的幾類最優化方法（共軛梯度演算法、進化演算法和目標規劃法）的理論性質及應用進行了研究，主要研究成果如下： 1
  19. The numerical optimization and the detailed exergy analysis of the cycles approved the conclusions rendered in the analysis of the cycle ' s features. we also obtained the optimum compositions of the mixture refrigerant for the rectification cycle under the pressure ratio of 8, at the temperature levels of - 60 ?, - 80 ?, - 100 * c, and - 120 ? respectively. the method of equivalent entropy generation is initially used in this study

    通過對混合工質節流製冷機諸循環進行的數值優化和較為詳盡的循環粗（火用）分析，驗證了循環的特性分析中所得到的主要結論，同時得到了壓比為8 ，溫度為- 60 、 - 80 、 - 100和- 120等四個溫度位的混合工質精餾循環最優混合工質成浙江人學博十學位論文摘要分。
  20. In this paper, a mmc heat sink is fabricated and processed according to the results of numerical optimization of a mmc heat sink firstly, then thoroughly studies its flow characteristics and heat transfer characteristics by experimental methods, and de - ionized water and surfactant aqueous solution are used as working fluids

    本文根據數值模擬優化結果設計和製作了歧管式微通道熱沉，並採用實驗的方法，以去離子水和表面活性劑水溶液作為實驗工質，對熱沉進行了流動特性與傳熱特性的實驗研究。
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