選擇運算元 的英文怎麼說

中文拼音 [xuǎnzháiyùnsuànyuán]
選擇運算元 英文
selection operator
  • : Ⅰ動詞1. (挑選) select; choose; pick 2. (選舉) elect Ⅱ名詞(挑選出來編在一起的作品) selections; anthology
  • : 擇動詞(挑選) select; pick; choose
  • : Ⅰ動詞1 (物體位置不斷變化) move; revolve 2 (搬運; 運輸) carry; transport 3 (運用) use; wield...
  • : Ⅰ動詞1 (計算數目) calculate; reckon; compute; figure 2 (計算進去) include; count 3 (謀劃;計...
  • 選擇 : select; choose; opt; election; choice; culling; alternative
  • 運算 : [數學] operation; arithmetic; operating
  1. By two ways, this paper debates the theory of fracture detection : on one hand by the way of edge detection in image processing ; on the other hand by time series analysis. the detection by time series analysis is more antinoise than edge detection in image processing. edge detection theory in image processing mainly includes correlation data, fuzzy edge detection, entropy operator edge detection and gradient edge detection

    圖像處理中的邊緣檢測的方法主要包括相干數據體法、模糊邊緣檢測法、基於熵的邊緣檢測法、梯度邊緣檢測法;其中模糊邊緣檢測法比較依賴于參數的,其渡越點兩邊的像素區別明顯;熵的檢測方法則是檢測的圖像邊緣比較光滑,連通性好;梯度檢測法可以使用不同的核,演法比較簡單;相干數據體對于總體的大的裂縫的分佈具有比較奸的反應。
  2. After the introduction of the wavelet theory and the principle of wavelet - based image fusion, we test the radarsat and landsat images using gray - value algorithm

    在對小波變換的基本理論和其用於融合的原理進行介紹之後,我們利用了灰度值選擇運算元針對radarsat和landsat圖像進行了相關實驗。
  3. There are many methods of edge detection. according to practical task, we choose some classical methods of edge detection including first differential ( roberts operator, sobel operator and prewitt operator ), second differential ( laplacian operator and kirsch operator ), log filter and canny operator. they are studied in theory and practice applying

    邊緣檢測有很多方法,根據課題實際背景,了幾種比較經典的邊緣檢測方法,即一階( roberts、 sobel、 prewitt) 、二階( laplacian和kirsch) 、 log和canny,對他們進行理論和實際應用研究。
  4. Crossover is implemented using arithmetic crossover operator. then unsymmetrical mutation is conducted using the new mutation operator which can expand the scope of chromosome gene value, at the same time, the chromosome with the highest fitness values are retained for each iteration. a lot of experiments are implemented to obtain the optimized initial weighs and bias

    生成了三維矩陣表示的染色體,進行了聯賽,利用術交叉進行了交叉,利用構造的新的變異,進行了非均勻變異,同時保留了每次進化后最優的適應值,通過大量實驗,實現了遺傳演法優化bp網路的初始權值和閾值的目的。
  5. For the job - shop problem, the operator selecting and algorithm realization based on working procedure coding and based on job coding is investigated in the paper. some key algorithm such as fitness evaluation function is given in detail. genetic algorithm is employed to search for the optimized parameters of pid controller applied to ship controling

    對于作業車間調度問題,本文分別探討了基於工序編碼和基於工件編碼的調度問題的和演法實現,對于關鍵演法如適應度評價函數的實現進行了詳細的討論,並給出了具體的實現步驟。
  6. Using information process psychological theory to elaborate mathematics problems ; the significant of the settlement of mathematics problems ; expounding the process of resolving mathematics problems consists of psychological activities problems representation selecting algorithm using algorithm and metacognition ; elaborating various psychological activities operation mechanism and function ; then expounding the phenomenon of " applying mechanically examination questions " during the mathematics problems teaching process ; the reason of doing questions wrong, improve the student ' s thinking ability of answering the questions

    摘要用信息加工心理學理論闡釋數學問題、數學問題解決的意義;分析數學問題解決過程由心理活動問題表徵、選擇運算元、應用認知組成,闡述各心理活動的行機制與功能;由此提出了對數學問題教學中的「套題型」現象、學生解題錯誤原因、提高學生的解題能力的思考。
  7. In the last, the problem of the perturbation of fuzzy reasoning is discussed in detail, and the maximum perturbation parameters for various methods of fuzzy reasoning is estimated according to the choice of conjunctive operator and implication operator

    根據椎理規則中合取與蘊涵的不同取方式,對各種模糊推理方法的最大攝動參數進行了評估,為實際應用中恰當的模糊推理方法提供了一個準則
  8. Based on the single genetic algorithms and the features of the distribution network reconfiguration, this dissertation makes a further study on such aspects as selection operator, crossover operator, mutation operator, termination conditions and etc, thus, puts forward improved genetic algorithms. the dissertation makes certain study on the optimization reconfiguration model of distribution network. it puts forward a multi - objective model and according to the theory of variable weight coefficients transforms the multi - objective problem into a single - objective one

    針對目前遺傳演法在配電網路重構應用中的不足,論文著重從選擇運算元、交叉、變異和收斂準則等方面進行了改進,把最優保存策略和兩兩競爭相結合的方法作為新的選擇運算元,採用隨最優個體相對保留代數自適應變化的交叉和變異,把最優個體最少保留代數作為演法的終止條件。
  9. In chapter 1, we briefly reviewed the risk theory and its development. and the significance about this paper was expressed. in chapter 2, we introduced classical risk model. in which, making this risk process into a strong markovian process is the preparation of deriving the main results. chapter 3 is the main body of the paper, we derived the results about general ruin probability in a kind of continuous time risk model with deficit - time geometry distribution of claim inter - occurrence time. the martingale approach is a good procedure to get the expression of ruin probability about a class of continuous time risk models with deficit - time geometry distribution of claim inter - occurrence time. we also take advantage of change of measure idea from it

    第二章介紹了經典風險模型,其中用逐段決定馬爾可夫過程理論及補充變量技巧,使一類風險模型的盈餘過程成為齊次強馬爾可夫過程。第三章作為本文的主體部分,在索賠到達間隔服從虧時幾何分佈的連續時間風險模型中,索賠額分佈為一般分佈,它的破產概率可以利用pdmp中的廣義生成得出鞅,通過調節系數的以及在相應測度下的測度變換,使得破產概率的一般解可以表示出來。
  10. 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、交叉、變異遺傳,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實例驗證了其尋優效果。
  11. One is based on the discriminated matrics, the other is based on ga. we use many new ways to make the algorithms more effective, such as reducing dimension and sparsiting elements of the discriminated matrics, effectively selecting elements of the positive examples set and the counter examples set for the jointing - spreading matrics, using a new selecting operator, and so on

    其次,實現了基於粗集理論的屬性約簡方法? ?基於可分辨矩陣的屬性約簡法和基於遺傳演法的屬性約簡法,並通過降維、稀疏化、正例集和反例集的有效取、新的選擇運算元等方法對原演法進行了改進。
  12. This paper proposes genetic algorithms using tournament selection, niche count, and violation degree to solve this problem

    該演法採用了兩兩競賽的選擇運算元、聚集度、違約度來處理多目標約束優化。
  13. The whole colony is divided into some colonies and they have evolution independently. selection operator, crossing operator, mutation operator and some parameters setting are advanced

    設計過程中,將整個群體劃分為幾個子群體,各自獨立進化,選擇運算元、交叉和變異以及其他參數都做了相應的改進。
  14. It has strong optimization ability. in this paper, clone selection algorithm ( csa ) based on clone and selection operator for multi - modal functions and non - stationary functions was presented. simulations were conducted

    本文借鑒b細胞的克隆機制,通過構造克隆選擇運算元,提出了一種用於多模態函數和時變函數優化的克隆法,進行了模擬驗證以及應用探索。
  15. After having profound understanding on three basic operators of the genetic algorithms, according to the characteristic of hardware implementation, idiographic operators of gas and parameter are confirmed

    本文首先對遺傳演法三個基本的機理及其行過程進行深入分析,依據硬體實現的特點,確定了合適的選擇運算元、交叉和變異,並且確定了遺傳演法的行參數。
  16. The selection remains the best individual if its fitness is larger than given threshold. the crossover uses a larger mutation probability if the difference between individuals is small. the numeric computation shows that those improvements can increase ga ' s efficiency and dielectric imaging precision

    即在設計選擇運算元時,當最優個體適應度值大於設定閾值時則被保留;設計變異時,當個體的適應度差別不大的情況下採用較大的變異概率。
  17. 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,摘要提出了螞蟻演法和遺傳演法交叉的測試生成方法,給出了遺傳演法的目標函數、選擇運算元、交叉、變異的實現方法。
  18. This paper, firstly, expatiates the content and sense about optimal design of water supply networks, briefly introduces all optimal methods which have been advanced, analyzes these methods and points out their limitation, summarizes the factors which influence the results in optimal design of water supply networks ; secondly, it introduces the principle of genetic algorithms ( ga ). it takes yearly expenditure converting value as target function and sets up the ga model on optimal design of water supply networks based on sga by means of taking some effective measures on selection operator, crossover operator, mutation operator and some parameters setting ; finally, the ga model is verified by its application on engineering project

    本文首先闡述了給水管網優化設計的內容和意義,簡要介紹了已有的優化方法,分析比較了各種優化方法並指出其存在的不足,歸納總結了影響給水管網優化設計結果的各種因素;接著,介紹了遺傳演法的基本原理,然後在標準遺傳演法的基礎上,通過對選擇運算元、交叉、變異以及部分參數的設置採取改進措施,並以年費用折值為目標函數,建立了給水管網優化設計的遺傳演法模型;最後,通過工程實例驗證了該模型具有一定的理論和應用價值。
  19. In the second charper, two reformed metheds has presented, which are competition adaptation - ga based on elitist and dual mutation adaptive - ga which can increase the population diversity and can decrease the dependence of genetic algorithms " result to the control parameter of operators and the status of initial population. to testify their abilities of algorithms, some studies have excuted which included the study to optimize parameter for pid and the study to multivariable intelligent decoupling control for mimo system. the outcomes have showed us that this amendment has a better effective than conventional means and the genetic algorithms which have no change

    第二章中,在已有文獻的基礎上,創新性的提出兩種改進演法:基於最優保留的聯賽競爭機制遺傳演法( competitionadaptation - gabasedonelitist )和雙變異自適應遺傳演法( dualmutationadaptive - ga ) ;通過對演法中選擇運算元和變異的有效改進,提高了演法的尋優能力和尋優效率,增加了群體中個體模式的多樣性,對于演法中存在的欺騙問題、早熟問題以及成熟前收斂問題有明顯的改進作用。
  20. This paper, firstly, expatiates the content and sense about optimal design of water supply networks, briefly introduces all optimal methods which have been advanced, analyzes these methods and points out their limitation, summarizes the factors which influence the results in optimal design of water supply networks ; secondly, it introduces the principle of genetic algorithms. it takes yearly expenditure converting value as target function and sets up the genetic algorithms model on optimal design of water supply networks based on simple genetic algorithms by means of taking some effective measures on selection oper ator, crossover operator, mutation operator and some parameters setting ; finally, the genetic algorithms model is verified by its application on engineering project

    簡要介紹了已有的優化方法,分析比較了各種優化方法並指出其存在的不足,歸納總結了影響給水管網優化設計結果的各種因素;接著,介紹了遺傳演法的基本原理,然後在標準遺傳演法的基礎上,通過對選擇運算元、交叉、變異以及部分參數的設置採取改進措施,並以年費用折值為目標函數,建立了給水管網優化設計的遺傳演法模型;最後,通過工程實例驗證了該模型具有一定的理論和應用價值。
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