sga 中文意思是什麼

sga 解釋
丙烯酸酯膠
  1. Sga acrylic resin adhesive of second generation

    第二代丙烯酸脂膠粘劑
  2. The main contributions of this dissertation are as follows : ( 1 ) a eugenic evolution strategy was proposed to improve the efficiency of the conventional simple genetic algorithm ( sga ) searching. the eugenic evolution genetic algorithm ( ega ) collects the population information along the evolution of children generations and constructs a deterministic optimization algorithm, which will be embedded in the evolution process at appropriate stage to speed up the local searching

    由於優化方法在建模中有相當重要的作用，因此，接著對具有全局尋優性能的遺傳演算法進行了較為深入的研究，提出了基於優生演進策略的遺傳演算法（ ega ） ，使尋優性能有較大的提高，並成功應用於化工領域中重油熱解模型參數的估計。
  3. In the second section, the paper also proposes a new hierarchic genetic algorithms ( hga ), which overcome some drawbacks on simple genetic algorithms ( sga )

    其次，文章提出了幾種改進辦法，提高遺傳演算法的性能。第二部分中，文章提出了改進sga不足的hga演算法。
  4. A signal processing method based on aff and sga for coriolis mass flowmeters

    的科氏質量流量計信號處理方法
  5. This dissertation deals with the content - based image retrieval ( cbir ) theory and technique ; some new features and tools for more concisely and discriminatingly charactering the content of an image are proposed, such as region - based color histogram, grey - primitive co - occurrence matrix, ratio of centripetal moment, ratio of eccentric moment and ratio of inertial moment. a new modified genetic algorithm is also described in this dissertation, which can upgrade the performance of standard genetic algorithm ( sga ) while used in image segmentation

    本文以圖像數據庫檢索為主線，討論了基於視覺內容的圖像檢索方法，提出包括基於區域顏色直方圖、灰度?基元共生矩陣及向心矩比、偏心矩比、慣性矩比的特徵描述方式；對遺傳演算法存在的早熟、收斂到最優解慢等問題提出了解決方法，並將改進遺傳演算法應用到圖像分割中，編制了相應程序。
  6. If you would like to talk with one of our coaches or to book a free assessment, please come to the sga golf coaching centre. we are located just upstairs

    如果您有任何問題與教練咨詢、探討，或者預約免費的揮桿分析，歡迎您到練習場二樓sga高爾夫培訓中心。
  7. On the basis of sga, the validity of improved gaussian approximation ( iga ) method is established in our systems and the accuracy of the bit error rate expression obtained via siga is demonstrated with monte - carlo simulations

    在此基礎上證明改進型高斯近似法（ improvedgassianapproximation ，簡稱iga ）在本文所述系統中的適用性，並利用其簡化演算法（ simplifiediga ，簡稱siga ）得到簡潔的誤碼率近似表達式。
  8. The algorithm can effectively o vercome immature convergence phenomenon in simple genetic algorithm ( sga ). it can improve not only antibody ' s similarity but also its diversity. and it can avoid local optimal solution and shorten searching time

    該演算法可以有效地克服基本遺傳演算法的未成熟收斂現象，既可以提高抗體的相似性又可以兼顧到抗體的多樣性，為避免演算法陷入局部最優解，縮短搜索時間提供了保證。
  9. Tuscaloosa chinese christian fellowship ( tccf ), founded in 1972, is an non - denominational christian organization located in tuscaloosa, al., and registered under the sga of the university of alabama

    塔城華人基督徒查經班（ tccf ）成立於1972年，位於阿拉巴馬州塔斯卡盧薩市，是一個無宗派基督教組織。我們注冊于阿拉巴馬大學學生會。
  10. Surface ship target recognition research based on sga

    應用基本遺傳演算法進行水面艦船目標識別研究
  11. Test results show that the igahas better adaptability and stability than the sga, no matter which type of optimization problem they handle ( continuous or discrete, linear or nonlinear, and constrained or free )

    實例表明，改進遺傳演算法（ iga ）不論是對于連續或離散的、線性或非線性的、有約束或無約束的等優化問題都表現出較強的適應性和穩定性。
  12. Sga has defects of slow convergence and being prone to immature convergence. in order to eliminate the defects, an improved ga is proposed in this thesis

    簡單遺傳演算法（ sga ）存在著收斂速度慢、易「早熟」等缺陷，針對這些缺陷，本文設計出改進遺傳演算法（ iga ） 。
  13. In the first part of this thesis, to cope with the low searching efficiency and premature of simple genetic algorithm ( sga ), a kind of improved genetic algorithm ( iga ) is presented

    本文首先針對簡單遺傳演算法（ sga ）中存在的收斂速度慢、易陷入局部極小點（即早熟）等缺點，對其進行了改進。
  14. The method, combining the aff with sga, can accurately track the signal frequency and calculate the phase difference between two signals

    它將自適應funnel波器和滑動goertzel演算法結合起來，能夠精確地跟蹤信號的頻率，計算相位差。
  15. Citylove club belongs to sga which is a registered international consulting corporation to promote china - canada cultural exchange, trade co - operation and provides international investment consulting services

    都市情緣俱樂部隸屬于sga國際咨詢公司， sga1999年在加拿大溫哥華注冊，致力於推動中加文化與經貿合作和交流。
  16. The results of optimization on mathematical functions showed that the shortcoming of sga can be overcome, and the relying on the initialization of parameters can be effectively avoided. the quality of the solution and the convergent speed also can be improved

    函數優化算例表明，模糊遺傳演算法（ fga ）能有效地消除遺傳演算法對參數初值的依賴性，提高尋優質量，改善收斂性。
  17. 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，介紹了遺傳演算法的基本原理，然後在標準遺傳演算法的基礎上，通過對選擇運算元、交叉運算元、變異運算元以及部分參數的設置採取改進措施，並以年費用折算值為目標函數，建立了給水管網優化設計的遺傳演算法模型；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。
  18. The feasibility and searching ability of improved sga presented in this paper is verified by optimal design example of single pre - stressed steel structure and multiple pre - stressed steel structure

    通過幾個單次預應力或多次預應力鋼結構優化設計實例的計算，驗證了本文演算法的可行性和搜索效率的高效性。
  19. In the thesis sga ' s theory has been analysed deeply, in order to get over the disadvantages of sga some mesures have been put forward to form a new theory mga, and apply it in the pi adjustor parameters " optimization of the single loop and series loop control system, the simulation results achieve good control effect. in addition, a software named control system adjustor parameters optimization ( csapo ) has been completed, which can universally be used to optimize the pi parameters in self - balance control system

    深刻剖析了基本遺傳演算法理論，對其存在的缺點提出了五種改進措施，新的改進遺傳演算法克服了其部分不足之處，並將新的改進遺傳演算法應用到單迴路和串級迴路兩種控制系統的pi調節器參數優化中，模擬結果取得令人滿意的控制效果。另外，完成了《控制系統調節器參數優化》 （ csapo ）軟體，軟體具有一定的通用性，能對有自平衡對象系統進行pi參數優化
  20. Sga fetus small - for gestational age fetus

    小於孕齡兒
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