crossover method 中文意思是什麼

crossover method 解釋
交換法
  • crossover : 【鐵路】岔道,轉線路,【生物學】(雜色體的)交雜,交換;交換型;〈英國〉(交搭胸前的)女圍巾。
  • 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. In the genetic process of reproduction, crossover and mutation of the chromosomes in this method, these operators pr, pc and pm are produced randomly within some space, the scale of population and all kinds of genetic probability are also adjusted randomly so that the diversity individuals of population is ensured. the ga of dynamic population scale passes more information of paternal chromosomes to the offspring, which is beneficial to search the global optimization or quasi - global optimization

    該方法在染色體進行繁殖、交叉、突變的遺傳過程中,在某一范圍內隨機選取p _ r , p _ c , p _ m ,動態調整種群規模,保證了種群個體的多樣性;選擇同父本分別進行三種遺傳過程使得父本染色體中有更多的信息傳遞給子代,這有利於搜索全域最優解或準最優解。
  2. After proper operation has been verified, tighten all bolts using the crossover method. recommended tightening torques pattern is listed below

    在檢驗操作能夠正常進行后,在採用交叉法緊固所有螺栓。推薦的緊固扭矩模式如下所示。
  3. After that, the multifractal spectra dq - q are computed by fixed - mass method. the results show that in the studied scaling range different types of landscapes and profiles in different directions perform different fractal properties, that is, the d value and crossover length ^ decrease in turns with the landform type from high - moutain, mid - low mountain to basin, and the profile parallel to wear grooves often has lower d values ( < 1. 5 ) than those perpendicular to wear grooves do ( 1. 5 ) in the same section

    提出以地貌分形特點和渡越長度為依據的地貌層次界定方案,研究指出了5km左右應為宏觀臨界點:不同構造地貌區、不同取向的剖線的多重分形譜值域范圍寬窄表現出中低山區高山區盆地區,垂直構造地貌斜坡方向斜交方向平行方向的特點,表明了內外營力作用的不均勻性和方向性。
  4. Thus the areas of the overlapping regions are compensated efficiently and the accuracy of measurement is highly improved. the volume of the bubbles can be estimated on the bubbles " area information, and a genetic algorithm ( ga ) based method is used to match and track bubbles in the image sequences, which solve tracking problem under complex conditions efficiently, such as some bubbles may have kinetic occlusion and crossover, some newly generated bubbles may entered into flow field and run away. a smooth kinetic locus is obtained by fitting the discrete centroids with a cubic spline function and at the same time the visual measurement is realized

    根據氣泡在圖像平面中的面積估計氣泡的體積,並對流場中的所有氣泡採用遺傳演算法進行最佳的匹配跟蹤,有效地解決了氣泡群在流場中出現如遮擋、交又、新它『出現、逃逸等復雜情況下的準確跟蹤,並採用三次樣條插值方法對離散的質心點軌跡進行擬合,得到氣泡在流場中平滑的運動軌跡,從而實現了摻氣水流特性的可視化測童。
  5. By using the standard deviation method, the scaling properties described by the local fractal dimension d and crossover length tc of 48 measured landform profiles in different direction of 6 different studied landform sections are calculated

    負反饋機製表現的越明顯;對于以構造沉降作用為主的盆地區而言,各個方向的地形剖線的分維值均顯示出小於1 . 5的正反饋機制。
  6. This paper points out that it is efficient to code the string of index of the parts in adopting ga to solve cutting stock problem after analyzing the features and research tendency of ga. this paper presents suitable operators of selection, crossover and mutation for the coding method. these operators are used in the calculation of one - dimensional and rectangular cutting stock problems

    本文為這種基因編碼設計了實用的選擇、交叉、變異遺傳運算元,並將其用於一維下料方案優化問題、矩形件排樣問題的求解;討論了不同工藝要求條件下的適應度定義方法,並用四川大學博士學位論文計算實例驗證了其尋優效果。
  7. The method not only can coordinate evolutionary process inside each population by using an adaptive regulation of crossover and mutation operators, but also can advance the formation of - best design by using adaptive adjustment of the competition frequency between populations

    該方法不僅運用交叉運算元和變異運算元的自適應調節技術協調種內進化過程,而且通過種間競爭頻率的自適應調節促進最優個體的生成。
  8. In this paper, how to design the fitness function, encoding method, selection method, crossover method and mutaion method are discussed in detail

    實驗結果表明本文設計的遺傳演算法的編碼方法和遺傳運算元是適合問題求解的。拓撲優化的結果是令人滿意的。
  9. In the design of crossover, we first merge two parent trees to a graph, and then create a multicast tree from the graph. based on the method, the algorithm have a good performance of crossover

    在雜交運算元的設計上,通過對兩個父代個體結合,然後再生成組播樹的方法,使演算法具有較好的雜交性能。
  10. This paper also makes many reforms on genetic algorithm, which include using the technology of the real number code, broadening the selecting space, punishment tactics, arithmetical crossover, dynamic mutation and combining genetic algorithm with grg method, so it brings faster searching velocity and better accuracy

    本文對遺傳演算法作了很多的改進,採用了自然數編碼技術、擴大采樣空間技術、懲罰策略、算術交叉和動態變異技術,並將遺傳演算法與grg法有機地結合起來,改善了遺傳演算法的性能,充分地提高了搜索的效率和精度。
  11. To compensate the shortage of the bigger test set of pure ant algorithm, the method of crossing ant algorithm and genetic algorithm is presented. meanwhile, the implementation methods of the objective function, selection operator, crossover operator, and mutation operator are given, and the test results are compared with the results of ant algorithm, based on standard sequential circuits iscas ' 89

    為彌補單純採用螞蟻演算法進行測試矢量生成時,測試矢量集過大的缺點,摘要提出了螞蟻演算法和遺傳演算法交叉的測試生成方法,給出了遺傳演算法的目標函數、選擇運算元、交叉運算元、變異運算元的實現方法。
  12. Application of the mf method normally involves construction of an intermediate column at every 4 meters. on a crossover section, which serves as a passage for train change directions, intermediate columns placed at 4 - meter intervals would block the route of a turning train. therefore, a solution must be found to the problem of location of intermediate columns on crossover sections

    (四)轉轍段( crossover )處以多圓形潛盾工法施作之可能性,由於轉轍段系為提供電聯車換軌功能之處,兩軌道間不能有任何障礙物,而多圓形隧道環片間每隔四米即需中間柱,于設計上有何解決之道。
  13. The simplified method, combination and crossover principle of the point symbol on a 2d braided composites yarn segment were proposed

    敘述了二維編織復合材料紗線段的點符號簡化方法及其組合、交叉原則,以及由點符號組成的無對稱單元、基本對稱單元構建的方法。
  14. Second, by combining theories of strength of laminate with ga, a new gradient free optimization method with new code strategy is discussed. the representation itself does not change the nature of the problem, but effects the searching efficiency of the algorithm. so the representation of the parameters to be optimized is a very important factor and the new code strategy is also easy used with crossover operator and variation operator in ga applications

    其次,本文根據層合板優化設計的具體問題提出了一種符號編碼方式,雖然優化參數的基因編碼表達方式並不能改變優化問題的本質,但是不同的編碼表達方式對于遺傳演算法搜索的效率和最終的優化結果有著重要的影響,因此優化參數的基因編碼表達是遺傳演算法應用於工程問題中非常關鍵的一步。
  15. The paper exploits then method of combining the simulated annealing algorithm with genetic algorithm for the question and designs the coding way which based on ordinal characters, builds up fitness function on the basis of penalty function, adopts the basal technology, such as crossover, mutation etc. to deal with the model and put forward adjustable algorithms for trains occupying time sets

    將模擬退火演算法和演化演算法混合起來運用於該問題,設計有序的字元串編碼方法,構造了基於罰函數的適應度函數,採用交叉和變異等技術,求解該模型。並提出了車列佔用時區調整的相關演算法。
  16. This thesis contrasts and analyses the different calculation - method, and improves the genetic algorithm in the parameter inversion of the rock and soil engineering. the strategies are mainly in the following three aspects : 1, new searching way is compositely searching genetic algorithm which is made up of the acceleration method and genetic algorithm when it partially calculates in the later time ; 2, index function is inducted in gengetic operators, at the same time repeated select and double exchange pool are used ; 3, splicing crossover, which reserves some new evolution factions, improves authority function accaunting the capabilities and kinds

    本文對優化演算法中不同求解方法進行對比分析,針對遺傳演算法在巖土工程參數反演運算中進行了改進,改進的策略主要集中於三個方面: 1 、提出了在遺傳演算法中融入形加速法的改進方法? ?復合遺傳搜索法; 2 、針對遺傳運算元的選擇策略,引入指數適值方法,設置雙交換池,提出了重復篩選法; 3 、加強對劣勢種群的內部優良信息的遺傳功能的改進,引入權函數,擴大可交叉運算元的種類,保留各運算元的進化功能,提出了融合交叉運演算法。
  17. Agv ( automated guided vehicle ) optimization is a typical np problem, in the course of initial group generation, this article applied accumulator process, crossover operator based continuous insertion heuristic mode, and push - connect - exclude method. according to stacker running process and characteristics, stacker optimization was devided into two parts, the first one was shelves number optimization, the second one was travel scheduling problem. finally, this article written genetic algorithm program based on c

    Agv的優化調度屬于典型的np問題,在初始群體的產生中,採用聚加過程,並建立了可行插入的條件;提出了基於連續插入啟發式的交叉運算元;採用了推?銜接?排除過程來使任務的滿意度達到最佳;針對堆垛機的運行過程,建立了數學模型,並依據其運行特點,把堆垛機的優化分為兩部分,一是針對庫位號的優化,改變傳統的庫位號排列方式,利用遺傳演算法建立起比較合理的庫位號排列順序;二是把堆垛機的運行線路簡化為旅行商問題,並做了適當的修改。
  18. The improvements in this thesis include the hybrid code method, the method of generation of initial populations, substituting the children for parents by combination of the simulated annealing algorithm and niche, adding some new chromosomes to ensure the population ’ s diversity and using the adaptive probability of crossover and mutation

    本文的改進方案主要涉及混合編碼方式,初始種群的產生方式,採用結合模擬退火演算法和小生境思想的替代策略,迭代過程中添加新染色體,採用自適應交叉、變異概率等。
  19. According to the characteristic of flexible job shop scheduling, the code method based on operation sequence, machine assignment and corresponding crossover, mutation is designed

    此演算法針對解決柔性工作車間調度問題採用工序順序偏碼的局限性,設計了基於順序和基於機器分配的編碼方法並據此給出了相應的交叉變異操作。
  20. Coding based upon image threshold segmentation related with coordinates, using windows crossover method, designing evaluation function based upon the equations given in literature [ 23 ], gas gets much better results than traditional algorithm

    本文以基於坐標的閾值分割方法為基礎進行二維整數編碼,採用窗口交叉方法,以文獻[ 23 ]給出的評價方法構造適應度函數。
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