powell method 中文意思是什麼

powell method 解釋
鮑威爾方法
  • powell : n. 鮑威爾〈姓氏〉。
  • 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. We use powell direction set method and multi - resolution analysis to maximize am

    本文使用powell方向族搜索法結合多解析度分析來最大化對齊度。
  2. Using method of sumt and powell, the thesis carries out optimization design for air rocket with double - push accelerated velocity and spin - rate regularity, which dramatically decreases air rocket dispersion. in the end, some valuable conclusions are achieved for application

    綜合利用雙推力加速度，轉速規律，同時採用內點罰函數法和powell共軛方向法，對航空火箭彈的主要參數進行優化設計，實現了大幅度減小航空火箭彈散布的目的，得到了一些有應用價值的結論。
  3. Based on netomac, a software package for power system simulation, the model and algorithm of pre - dispatch schedule in generation markets, excitation system parameter setting, and power system small signal stability anaylsis are studied in this thesis. the main work is as follows : a model of pre - dispatch schedule is proposed, whose target is to minimize the market purchasing price ( mpp ) in the whole pre - dispatch period. then according to the characteristics of pre - dispatch schedule, the model of pre - dispatch schedule is simplified to minimize the mpp in each pre - dispatch time, and a three - step algorithm of pre - dispatch schedule is designed : dealing with the optimal problem in the whole period of pre - dispatch with static planning method, solving the problem of combination of machines with pr1 method, resolving problem of optimal power flow ( opf ) with modified powell method

    本文基於netomac模擬軟體，以發電市場預調度計劃模型及演算法、勵磁系統參數整定和電力系統小擾動穩定性分析為研究內容，主要做了以下工作：建立了以整個預調度計劃周期內的市場購電價格最小為目標的發電市場預調度計劃模型，並根據預調度計劃問題狀態數多、變量多、混合整數、非解析的特點，將預調度計劃模型的目標函數簡化為各時段的市場清算電價最小，設計了三段式預調度演算法：用靜態規劃法求解整個預調度計劃周期內的優化問題；用優先級法求解機組組合問題；用改進的powell法求解最優潮流問題。
  4. In this method, the principal axes method is used to estimate the parameters of the transformation, then with the estimated pamameters as the initialization of powell optimization method and with all of the available information as the feature, a high accurate registration is achieved by calculating the minimum standard deviation between the registered images

    該方法首先採用主軸法對變換參數進行初步估計，之後採用powell最優化演算法，利用全圖像灰度信息來作為圖像的參考特徵，通過計算配準圖像之間差的平方和的極值來實現圖像配準，從而提高了配準精度。
  5. Form the observation date obtained during construction, the geological parameters may reasonably be determined by direct optimal method such as powell so that it minimizes the squares of differences between calculated and measured quantities ( objective function ). adopting fem and the roadbed settlement after construction is calculated. then a back analysis program of fem for soil is given

    文中首先基於biot固結理論分別採用e - v非線性彈性模型和merchant粘彈性模型兩種模型有限元方法，根據施工期實測資料，採用直接優化反分析方法，分層分部反演地基土體的計算參數，然後計算路面鋪筑後的工后沉降，並對將通過兩個軟土路基工程實踐驗證其可靠性。
  6. It is open, without distinction of origin, race or creed, to all who are willing to adhere to the purpose, principles and method conceived by its founder robert baden - powell

    它是相當開放的，無關于地域，種族或教義的，它對那些支持由貝登堡先生所提出來的對這個運動的目標，理念和方法認同的人采開放的態度。
  7. Because of this weak, an improved pso algorithm, hybrid algorithm of powell method and particle swarm optimization ( ppso ) is proposed

    針對該演算法存在的缺點，提出一種改進的粒子群演算法? powell -粒子群混合演算法，將powell方法有機地融入粒子群演算法。
  8. A hybrid algorithm combining powell method with chaos optimization method and its application to mechanical optimum design

    混合演算法在機械優化設計中的應用研究
  9. For the possible deterministic searching methods, the powell method was found to be feasible in integrating with the genetic algorithm

    本文在基於觀測數據的統計學習建模方法上提出了一些新思想、新方法。
  10. Powell method is used in the paper to calculate the reliability index, this method can avoid the complexity of partial derivative calculating, and the example shows that this method is correct

    5 、研究了用方向加速法來進行結構可靠指標的計算方法，該法可以避免對功能函數進行導數計算，並已算例說明該方法的正確性。
  11. Hybridized with powell method and added with ant combination operator can improve local searching performance of the algorithm considerably, ( c ) introducing immunity theory into parallel genetic algorithm has double functions

    文中的算例表明， phaia是有效的，優于傳統的并行遺傳演算法。 （ 3 ）提出了布局模式的相關理論。
  12. Analyzing the model of optimum design of fan, " powell - sumt " serves as the optimum method and " estimation - function " as the multi - objective optimum method

    為了提高計算效率，多目標優化採用「評價函數法」中的理想點法。
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