遺傳曲線 的英文怎麼說

中文拼音 [zhuànxiàn]
遺傳曲線 英文
genetal curve
  • : 遺動詞[書面語] (贈與) offer as a gift; make a present of sth : 遺之千金 present sb with a gener...
  • : 傳名詞1 (解釋經文的著作) commentaries on classics 2 (傳記) biography 3 (敘述歷史故事的作品)...
  • : 曲名詞1 (一種韻文形式) qu a type of verse for singing which emerged in the southern song and ji...
  • : 名詞1 (用絲、棉、金屬等製成的細長的東西) thread; string; wire 2 [數學] (一個點任意移動所構成的...
  • 遺傳 : [生物學] heredity; hereditary; inheritance; inherit
  • 曲線 : [數學] curve; bight; bought; profile; net曲線板 french curve; irregular curve; curve board; splin...
  1. The inversion results of synthetic magnetotelluric sounding data are ideal, which indicates that the algorithm possesses advantages of expediting convergence, avoiding earliness and improving precision, and can be used in mt data analysis

    對各種類型的大地電磁測深理論進行計算,結果表明:採用實數編碼混合演算法進行反演具有收斂速度快、解的精度高和避免出現早熟等優點,可用於大地電磁資料解釋。
  2. Considering the electrovalence, the curve of water consumption and the reliability of water supply, this paper respectively sets up the model based on the maximal flux and the model based on the expectation flux. it takes yearly expenditure converting value and yearly cistern converting value as target function and takes continuity equation, velocity of flow and compression resistance of cast iron pipeline as restrictions and sets up the pga model on optimal design of water supply networks

    考慮到峰谷電價、用水量變化及用水可靠性因素的影響,分別建立了以最高時流量設計管網的模型和以期望時流量設計管網的模型,以年費用折算值加上清水池年造價折算值為目標函數,以連續性方程、管中流速和鑄鐵管耐壓值等為約束條件,進行并行演算法對給水管網優化設計的實現。
  3. A rate - dependent damage evolution modified zwt nonlinear constitutive ralation is adopted, an object function of least square was established according to the experimental results. the searching space of each decision variable was foreordained with conventional optimizing method, and all parameters in zwt model for solidified pf resin were determined with generic algorithms

    基於實驗構建了最小二乘形式的目標函數,並採用統優化方法輔助設計了各個決策變量的搜索空間,進而用演算法確定了損傷型zwt非性粘彈性本構關系中的材料參數。
  4. A method of fuzzy optimization design based on genetic algorithm is presented as a new method of parameter optimization design for dc double closed loop speed adjusting system. the method covers three steps. firstly, speed overshoot rate and settling time are chosen as performance indice according to the demand of engineering. these indice are normalized by using fuzzy membership function and then weighted to form objective function of optimization model of the system. secondly, the dynamic response curve of the system with corresponding parameters and peoformance indice are obtained by computerized numerical calculation and simulation. finally, parameters of engineering design are expanded as searching space ; and parameters of speed regulator and current regulator are taken as genes in chromosome. these genes in searching space are optimized to get best solution by way of genetic algorithm. as shown by experimental results, the parameters designed by this method are capable of significantly improving performance indice of the system, which proves that it is a practical and effective method

    提出一種基於演算法的直流雙閉環調速系統參數優化設計方法.根據工程技術的要求,選用速度超調量和過渡時間作為參數優化性能指標.將該指標用模糊隸屬度函數歸一化,再加權平均形成系統優化模型的目標函數.採用計算機數值計算方法,通過模擬獲得系統對應參數的動態響應及其性能指標.最後以工程設計的參數為搜索范圍,以速度調節器和電流調節器的參數為染色體中的基因,通過演算法在搜索范圍中優化這些基因,獲得優化解.實驗結果表明,所設計的參數能使系統性能指標有顯著提高
  5. Carryed out genetic algorithm to optimize this system to solve these two problems, and realized perfect smooth curve, instant reaction, stable function and robust function in transforming control

    並採取演算法對直流伺服性定常系統進行優化處理,從而很好地解決了這兩個問題,實現了控制遞中有極好的平滑,瞬時響應性能,穩態性能以及魯棒性能。
  6. Data processing is performed by pc , which includes detecting rough error by quartile method base on first order differential, adopting three points algorithm to eliminate deviations of rack displacement and installation, applying minimum containing area method to evaluate the sectional plane radius of roller and realizing it by genetic algorithm, adopting akima method to fit curve of roll profile

    主要的數據處理工作在上位機進行,採用基於差分法的分位數演算法剔除粗大誤差;採用三點式測量原理消除探頭的安裝及運動所產生的誤差;採用最小包容區域法評定軋輥半徑,並應用演算法實現最小包容區域法的尋優計算;採用阿克瑪插值方法進行輥型的擬合。
  7. Genetic algorithm with fuzzy penalty function and its application in curve smoothing

    模糊罰函數演算法及其在光順中的應用
  8. Simple genetic algorithm gets local minimization too easily and converges slowly. to solve these problems, adaptive crossover rate that has reverse hyperbolic rel ation with the numbers of iteration is designed, and adaptive mutation rate that has reverse proportion to the distances of parents and reverse exponential relat ion to the numbers of iteration is put forward. the practical simulation results show that the adaptive ga has greater convergence speed and larger probability o f getting the best solution

    簡單演算法存在著收斂速度慢、易陷入局部極小等缺陷.針對這些缺陷,本文設計出隨相對代數呈雙下降的自適應交換率,並提出與父串間的相對歐氏距離成反比、隨相對代數指數下降的自適應變異率.實例驗證表明,具有自適應交換率和變異率的演算法在收斂速度和獲得全局最優解的概率兩個方面都有很大的提高
  9. An axial direction line multi - sensors placed method is presented. in the process of machine learning, use genetic algorithm to fit the curve of sensor ' s output. to improve the convergence speed of genetic algorithm, hill climbing method is joined with

    對示教過程中進行擬和所用的演算法進行了一定的研究,為了解決演算法在接近收斂點時收斂速度慢的缺點,使用爬山法對其進行改進。
  10. Mint total dna was transferred into a. thaliana mediated by ion beam with the influence of 0. 5 10 1. 5 1017 and 2. 5 1017 ions / cm2, respectively, which were on the bridge of saddle. among three transferred populations, their budding, seedling, growth and phenotypic variation took on obvious difference. combining these facts, the influence of 1. 5 1017ions / cm2 was decided as transformation influence of the following work

    我們從另外一個角度出發,在離子注入劑量-擬南芥菜存活的基礎上,選擇不同的離子劑量介導薄荷全dna轉化擬南芥菜,根據各個轉化群體在和生理上的不同變化,選擇1 . 5 10 ~ ( 17 ) ions cm ~ 2作為我們以後轉化工作的轉化劑量。
  11. In order to test the grade criterions of flood disaster loss, logistic curve ( log ) model and genetic algorithm ( ga ) are used by the author who properly disposes the judge of disaster loss grade

    為檢驗洪澇災情等級標準的合理性,筆者利用邏輯斯諦演算法對其加以驗證,並且在模型的級別判定上,做了適當的處理。
  12. We propose a combined slf method to extrapolate feeder load growth by using feeder ' s history peak value and the merits of gray theory and genetic programming ( gp ). at first, we adopt load transfer coupling method to correct load history and its error for load transfer. secondly, we get the real power - supply area by using layer overlap analysis, based on practical feeder path and distribution gis map layer

    將gis的空間信息分析功能應用於配網空間負荷預測的研究:綜合利用灰色理論及規劃( geneticprogramming , gp )的優點,提出了一種根據饋的歷史峰值負荷進行外推的組合slf法:首先採用負荷耦合回歸法來修正負荷歷史,消除由於負荷轉移引起的誤差;然後根據實際饋路徑和配網gis圖形分層,運用圖層疊加分析得到饋的實際供電范圍;接著採用灰色關聯度聚類方法對饋負荷增長進行聚類分析;最後採用gp來對灰色聚類結果進行符號回歸,分別得到每一類的最佳擬合形式。
  13. According to the results of the experiments on simulated data, prga gives better results in curve fitting compared with simple ga and traditional numerical iterative method

    實驗證明,該方法對于擬合問題能取得優于簡單演算法和統數值迭代方法的結果。
  14. A bt - e. coli shuttle vector pht315 was deleted its replication region of bt, then constructed a novel vector named pht315 - 1 which composed a multiple cloning site, erythromycin and ampicillin - resistance marker and could only replicated in e. coli. used pht315 - 1, a 5273 bps dna fragment carrying a novel bt plasmid replicon was isolated and registered in genbank as ay278324. sequence analysis showed that there were at least three orf ( open reading frame ) in the cloned dna encoding 501, 333, 183aas. orfl had 98 % identities with replicating related protein ori43 of bt strain hd263. the others were no homology to any published bt replicating related protein. after continuous cultured for 70h at 30 c without antibiotic selecting press. the stability of plasmid carrying cloned replicon in bt acrystalliferous mutant strain hd73 cry was more than 98 %. and growth curve also showed that the novel replicon was stable and could replicate normally

    進一步序列分析表明該復制區至少有3個較大的orf ,分別編碼501 , 333 , 183個氨基酸。其中orf1蛋白序列與hd263復制蛋白ori43的同源性為98 ,而另外兩個orf和genbank己公布的bt復制相關蛋白無同源性。 30連續培養72h ,復制區質粒在bt無晶體突變株hd73cry ~ -中穩定性達98以上, 30h生長也表明該復制區能夠在bt中穩定復制和,對受體菌株無明顯不良影響。
  15. Considering the shortcomings in the genetic algorithms, some improvements are proposed in order to elucidate its strong optimizing ability, genetic algorithms are used to optimize the pid parameters of ship autopilot. the comparison between the different simulation curves shows the validity of genetic algorithms in looking for the best parameters

    本文首先用演算法來對船舶航向保持自動舵的pid控制參數進行在優化,通過對用常規工程方法整定的pid控制和用演算法優化的pid控制的模擬的比較,說明了演算法強的全局尋優能力。
  16. Through calculation on varied parameter, a group of suitable parameter is found out. the results of experiments indicate that the theoretical analysis to the magnetic field of the magnetic structure is proper. to remove the result error come from the change of gap between piston rod and sensor, a signal processing method accompanied with machine learning process is researched

    為消除感器與磁性標尺之間間隙變化對測量結果的干擾,將示教學習方法引入行程感液壓缸的信號處理過程,並使用改進的演算法解決自學習過程中周期的擬合問題,提出了雙感器軸向直布置方法和基於自學習過程的信號處理方法,通過實驗,達到了顯示精度0 . 01mm ,測量重復精度0 . 2mm的良好效果。
  17. A novel method of content - based image segmentation using deformable template matching is proposed. a two - dimensional ( 2 - d ) deformable template based on orthogonal curves is built by pre - computing extensions of the deformable template along orthogonal curves and sampling the curves uniformly. then the definitions of internal and external energy functions are given according to the image segmentation problem, and genetic algorithm is used to obtain globally optimal solutions. the proposed method uses a lower - dimensional search space than conventional methods and reduces the sensitivity of the algorithm to initial placement of the template. experiments on real - world images and in simulations at low signal - to - noise ratio show the robustness and good performance of the method

    本文提出一種採用可變形模板匹配技術進行基於內容的圖像分割演算法.通過預先計算出可變形模板沿著變形的正交,並對模板及正交進行離散抽樣,建立一基於正交的二維( 2 - d )可變形模板,針對圖像分割問題定義控制可變形模板進行變形的內、外部能量函數,本文採用演算法搜索能量函數最小的全局最優解.該新演算法比統的可變形模板匹配方法降低了搜索空間的維數,減少了演算法對模板初始位置的敏感.對實際圖像及模擬低信噪比圖像處理的結果表明,新演算法具有良好的分割精度及穩定性
  18. The distribution gis data management methods and its application in distribution running are systematically researched, which compose distribution gis network topology analysis ( nta ) and optimal rush - maintain path ( orp ), and distribution planning, which composes distribution spatial load forecasting ( slf ) : ( 1 ) with systematic analysis on the relationship between spatial data model and spatial data structure, the distribution feature and the two common gis data models are analyzed, which are vector and raster data models. then the conceptual and logic data models of distribution gis are designed. the spatial data storage structure is given by using vector method, and their detailed data management methods are proposed

    ( 4 )將gis的空間信息分析功能應用於配網空間負荷預測( saptialloadforecasting , slf )的研究:綜合利用灰色理論及規劃的優點,提出了一種根據饋的歷史峰值負荷進行外推的組合slf法:首先採用負荷轉移耦合法來修正負荷歷史,消除由於負荷轉移引起的誤差;然後根據實際饋路徑和配網gis圖形分層,運用圖層疊加分析得到饋的實際供電范圍;接著採用灰色關聯度聚類方法對饋負荷增長進行聚類分析;最後採用規劃來對灰色聚類結果進行符號回歸,分別得到每一類的最佳擬合形式。
  19. Curve reconstruction from points cloud based on adaptive genetic algorithm

    基於自適應演算法的點雲重建
  20. 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,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,通過應用演算法最小化二乘準則函數來獲取電機參數。
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