最小化計算 的英文怎麼說

中文拼音 [zuìxiǎohuàjìsuàn]
最小化計算 英文
short-circuit evaluation
  • 最 : 副詞（表示某種屬性超過所有同類的人或事物） most; best; worst; first; very; least; above all; -est
  • 小 : Ⅰ形容詞1 （體積、面積、數量、強度等不大） small; little; petty; minor 2 （年紀小的; 年幼的） youn...
  • 計 : Ⅰ動詞1 （計算） count; compute; calculate; number 2 （設想; 打算） plan; plot Ⅱ名詞1 （測量或計算...
  • 算 : Ⅰ動詞1 （計算數目） calculate; reckon; compute; figure 2 （計算進去） include; count 3 （謀劃;計...
  • 計算 : 1 （求得未知數） count; compute; calculate; reckon; enumerate 2 （考慮; 籌劃） consideration; pla...
  1. The beowulf strategy aims at minimizing computation time

    Beowulf策略的目的是最小化計算時間。
  2. In this paper matlab and vb are used to build a software which can predict absorption coefficient ' s of the underwater anechoic coatings from these analytical models. finally, some algorithm of the single parameter minimization, nonrestraint nonlinear minimization and restraint minimization in the optimization design theory are studied. the formulas of absorption coefficient of these analytical models are object functions

    本論文利用各種解析模型的聲學設計理論，使用matlab與vb軟體建立了一套水下消聲覆蓋層吸聲系數預報軟體，研究了最優化設計中單參數最小化、無約束非線性最小化和有約束最小化理論的一些演算法，利用現有模型的吸聲系數計算公式作為目標函數，初步優化了一些結構的材料參數。
  3. The following is the detail design of the pump, and a optimum mathematical model are presented to mostly reduce the helical gear pump flow pulse

    在此基礎上進行了斜齒齒輪泵的結構設計，通過建立斜齒齒輪泵齒輪的優化數學模型，優化計算出使輸出流量脈動最小的斜齒輪參數，製造出斜齒齒輪泵樣機。
  4. The other classfies the calculation of mbps into the solution of inequation based on heuristic knowledge of mbps of optimal directional coordination setting in complex multiloop network and comes into equivalence of 0 - 1 integral second layout problem. on the basis of the principle of gene optimal evolution, a new approach to determine mbps is first presented and decreases the computational complexity of mbps problem

    其二，利用復雜環網方向保護最優整定配合中最小斷點集（ mbps ）的啟發知識，將mbps的計算歸結為解不等式，進而等價為0 ? 1整數二次規劃問題，基於基因遺傳優化計算原理，首次提出了mbps問題的基因遺傳演算法，降低了問題的計算復雜性。
  5. Works on the bending roll system of four - roll rolling mill, the workroll shape variation caused by the force of bending roll and the contact stress between rolls was researched with the fem software ansys, the maximum deformation of the work roll was calculated, and the curve of the gap adopting the least - squares method was fitted, which set the base of the further calculation of load - gap shape

    摘要以四輥軋機的彎輥系統為研究對象，利用有限元分析軟體ansys研究彎輥力和輥間接觸應力引起工作輥形狀的變化，計算工作輥彎曲的最大變形量，並用最小二乘法對輥縫曲線進行擬合，為進一步計算有載輥縫形狀提供可靠的理論依據。
  6. Ratio of the value of futures contracts purchased or sold to the value of the cash commodity being hedged, a computation necessary to minimize basis risk

    所買賣的期貨合約價值與要進行套保的現貨商品價值之間比值，用來計算最小化基差風險。
  7. Based on the analyses of the investment of nozzle tube net and relationship between the annual operation cost and tube diameter function of a fixed spray irrigation system, a mathematic model to calculate the economical tube diameter of a spray irrigation system is developed by using the minimum expense norm and nonlinear planning theory in engineering economic analysis, and a direct calculation formula for the economical tube diameter in unrestrained conditions is presented

    摘要在分析了固定式噴灌系統的管網投資、年運行費用與管徑函數關系的基礎上，利用工程經濟分析中費用最小化準則和非線性規劃理論，建立了求解噴灌系統管網經濟管徑的數學模型，並給出了無約束條件直接求解經濟管徑的計算式。
  8. 1 he l, lepak k m. simultaneous shield insertion and net ordering for capacitive and inductive coupling minimization. in proc. international symposiums on physical design, san diego, ca, april 9 - 12, 2000, pp. 55 - 60

    因此，研究和設計一種同時考慮減少耦合電容和耦合電感噪聲的方法，並且將插入屏蔽線面積最小化作為優化目標的演算法是一項很有意義的工作。
  9. 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。
  10. 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。
  11. Abstract : a new method, collaborative allocation ( ca ), is proposed to solve the large - scale optimum allocation problem in aircraft conceptual design. according to the characteristics of optimum allocation in aircraft conceptual design. the principle and mathematical model of ca are established. the optimum allocation problem is decomposed into one main optimization problem and several sub - optimization problems. a group of design requirements for subsystems are provided by the main system respectively, and the subsystems execute their own optimizations or further provide the detailed design requirements to the bottom components of aircraft, such as spars, ribs and skins, etc. the subsystems minimize the discrepancy between their own local variables and the corresponding allocated values, and then return the optimization results to main optimization. the main optimization is performed to reallocate the design requirements for improving the integration performance and progressing toward the compatibilities among subsystems. ca provides the general optimum allocation architecture and is easy to be carried out. furthermore, the concurrent computation can also be realized. two examples of optimum reliability allocation are used to describe the implementation procedure of ca for two - level allocation and three - level allocation respectively, and to validate preliminarily its correctness and effectiveness. it is shown that the developed method can be successfully used in optimum allocation of design requirements. then taking weight requirement allocation as example, the mathematical model and solution procedure for collaborative allocation of design requirements in aircraft conceptual design are briefly depicted

    文摘:探討了一種新的設計指標最優分配方法- -協同分配法，用於處理飛機頂層設計中的大規模設計指標最優分配問題.分析了飛機頂層設計中的設計指標最優分配特徵，據此給出了協同法的原理並建立了數學模型.協同法按設計指標分配關系將最優分配問題分解為主系統優化和子系統優化，主優化對子系統設計指標進行最優分配，子優化以最小化分配設計指標值與期望設計指標值之間的差異為目標，進行子系統最優設計，或對底層元件（如飛機翼梁、翼肋和翼盒等）進行設計指標最優分配，並把最優解信息反饋給主優化.主優化通過子優化最優解信息構成的一致性約束協調分配量，提高系統整體性能，並重新給出分配方案.主系統與子系統反復協調，直到得到設計指標最優分配方案.兩層可靠度指標分配算例初步驗證了本文方法的正確性與可行性，三層可靠度指標分配算例證明了本文方法的有效性.最後，以重量指標分配為例，簡要敘述了針對飛機頂層設計中設計指標協同分配的數學模型和求解思路
  12. A new method, collaborative allocation ( ca ), is proposed to solve the large - scale optimum allocation problem in aircraft conceptual design. according to the characteristics of optimum allocation in aircraft conceptual design. the principle and mathematical model of ca are established. the optimum allocation problem is decomposed into one main optimization problem and several sub - optimization problems. a group of design requirements for subsystems are provided by the main system respectively, and the subsystems execute their own optimizations or further provide the detailed design requirements to the bottom components of aircraft, such as spars, ribs and skins, etc. the subsystems minimize the discrepancy between their own local variables and the corresponding allocated values, and then return the optimization results to main optimization. the main optimization is performed to reallocate the design requirements for improving the integration performance and progressing toward the compatibilities among subsystems. ca provides the general optimum allocation architecture and is easy to be carried out. furthermore, the concurrent computation can also be realized. two examples of optimum reliability allocation are used to describe the implementation procedure of ca for two - level allocation and three - level allocation respectively, and to validate preliminarily its correctness and effectiveness. it is shown that the developed method can be successfully used in optimum allocation of design requirements. then taking weight requirement allocation as example, the mathematical model and solution procedure for collaborative allocation of design requirements in aircraft conceptual design are briefly depicted

    探討了一種新的設計指標最優分配方法- -協同分配法，用於處理飛機頂層設計中的大規模設計指標最優分配問題.分析了飛機頂層設計中的設計指標最優分配特徵，據此給出了協同法的原理並建立了數學模型.協同法按設計指標分配關系將最優分配問題分解為主系統優化和子系統優化，主優化對子系統設計指標進行最優分配，子優化以最小化分配設計指標值與期望設計指標值之間的差異為目標，進行子系統最優設計，或對底層元件（如飛機翼梁、翼肋和翼盒等）進行設計指標最優分配，並把最優解信息反饋給主優化.主優化通過子優化最優解信息構成的一致性約束協調分配量，提高系統整體性能，並重新給出分配方案.主系統與子系統反復協調，直到得到設計指標最優分配方案.兩層可靠度指標分配算例初步驗證了本文方法的正確性與可行性，三層可靠度指標分配算例證明了本文方法的有效性.最後，以重量指標分配為例，簡要敘述了針對飛機頂層設計中設計指標協同分配的數學模型和求解思路
  13. Abstract : an algorithm of minimizing the number of buffers under certain delay constraint with accurate delay models is presented. given a two - terminal net, the algorithm can minimize the total number of buffers inserted to meet the delay constraint. a high order delay model is applied to estimate interconnect delay and a nonlinear delay model based on look - up table is for buffer delay estimation. the experimental results show that the algorithm can efficiently achieve the trade - offs between number of buffers and delay, and avoid needless power and area cost. the running time is satisfactory

    文摘:提出了在精確時延模型下，滿足時延約束的緩沖器數目最小化的演算法.給出一個兩端線網，該演算法可以求出滿足時延約束的最小緩沖器數目.運用高階時延模型計算互連線的時延，運用基於查找表的非線性時延模型計算緩沖器的時延.實驗結果證明此演算法有效地優化了緩沖器插入數目和線網的時延，在二者之間取得了較好的折中.演算法的運行時間也是令人滿意的
  14. Based on the method of least squarest the datasheets and charts which were used in designing involute worm gearing were formulated, then designed the predigested computer aided design program

    摘要運用最小二乘法對漸開線蝸桿傳動設計計算的有關數表和線圖進行了公式化處理，進而研製了這種傳動的簡化計算機輔助設計程序。
  15. On the basis of the method of boolean manipulation and minimization algorithm, when the independence minimal path sets is arranged by sort ascending according to the mine ventilation network branches, the calculation capacity of the middle course still can reducing further, and thus the optimum effect of boolean manipulation and minimization algorithm is achieved to calculating reliability of mine ventilation network system

    根據不交化可靠度計演算法，當最小獨立路集按所含網路分支的多少進行升序排列時，還可進一步減少中間過程的計算量，從而達到最佳不交化簡化計算的效果。
  16. In order to assure that the stress and strain state of structure is secure, the author analyses respectively the objective functions of the reasonable finished state and buckle - cable adjusted phase ; thus, the optimized model based on fga is framed. finally according to the example, the computation datum are compared with the iterative forward analysis method and the optimal control theory. the result shows that this method can be used conveniently and meet the construction and design precision

    為了滿足大跨度鋼管混凝土拱橋施工的安全性與成橋預期的內力狀態和拱肋線形，本文結合工程實例，分別對合理成橋狀態和扣索索長調整的目標函數的確定進行了分析，將一組多變量、多約束的最小化問題無約束化，從而建立起適合於該問題的遺傳演算法優化模型，將其計算結果分別與迭代前進法和隨機最優控制理論進行了比較；結果表明，採用該方法編制的基於結構計算的遺傳優化程序操作靈活，能很好的滿足施工和設計要求。
  17. What is more, based on the computing model of the finishing time per piece of flow shop scheduling in the parallel movement, the paper analyzes the subordinate function of its finishing time per piece in respective conditions of definite due date and fuzzy due date, and mutual relationship of two objective functions between minimization of delayed term and maximization of general satisfaction, pointing that the former is the subset of the latter. and representing the satisfaction level of the manager toward finishing time of the piece with the subordinate function of fuzzy due date, making general satisfaction level as objective function, the paper accordingly sets up a mathematical model in the condition of fuzzy due date, and designs a computer simulating system in light of genetic algorithm to carry on an emulation experiment

    在平行順序移動方式下flowshop調度問題的工件完工時間的計算模型基礎上，分析了帶固定交貨期和模糊交貨期時該問題的工件完工時間的隸屬函數，及總拖期最小化和總滿意度最大化這兩個目標函數的相互關系，指出前者西南交通大學博士研究生學位論文第頁問題是後者問題的一個子集，用每個工件模糊交貨期的隸屬函數表示決策者對該工件完工時間的滿意度，以總滿意度為目標函數，相應地建立了該問題下帶模糊交貨期的數學模型，設計了一個基於遺傳演算法的計算機模擬系統進行模擬試驗，結果是令人滿意的。
  18. The estimation procedure is based on the steady - state characteristics versus slip curves. the sum of squares of differences between calculated and experimental characteristics is employed as the fitting criterion. the machine parameters are obtained by minimizing the least - squares cost function using genetic algorithms

    該方法利用電機穩態特性曲線，以特性計算值和實驗值的擬合誤差的平方和作為判斷準則，通過應用遺傳演算法最小化二乘準則函數來獲取電機參數。
  19. Statistical learning theory ( slt ) is based on the structural risk minimization ( srm ) principle, and it is a new set of theory system, which specially aims at machine learning issues under the circumstances of small - sample. based on this slt, supporting vector machine ( svm ) method has been developed as a new machine learning algorithm and also practical applications of slt

    統計學習理論建立在結構風險最小化原則基礎上，它是專門針對少樣本情況下機器學習問題而建立的一套新的理論體系，支持向量機就是在統計學習理論這一基礎上發展起來的一種新的機器學習演算法，它是統計學習理論的具體應用。
  20. Then reactive power optimizing calculation is figured out on the chongqing power network on condition that the loss minimum of the active power network is object function, taking account of the limit of voltage restriction condition, adopting three mode of generators adjustment reactive power compensation and tap change. it achieves satisfaction result, expectable purposes of reducing voltage and active loss

    然後以系統有功網損最小為目標，考慮電壓約束條件的限制，採用發電機調節、無功補償、分接頭調整三種調控方式對重慶電網低谷時段的運行方式進行了無功優化計算和分析，取得了滿意的結果，達到了預期的降壓目的，減少了網損。
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