local optimization 中文意思是什麼
local optimization
解釋
局部優化- local : adj 1 地方的，當地的，本地的。2 局部的。3 鄉土的，狹隘的，片面的。4 【郵政】本市的，本地的；【鐵...
- optimization : n. 最佳化，最優化。
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Thirdly, resorting to cooperation - competition model of biomathematics, this thesis proposes a new co - evolution model. simulation results are shown to verify its effect and practicabilitv. last, standard methods for optimizing neural netvvorks are easily trapped into local optimization, and unable to adjust the structure of neural networks, thus their application is limited to certain extent
本文主要驗證和設計適應性操作運算元和小生境方法保持群體多樣性的能力，實驗表明兩種方法都能較好地達到目的；利用生物合作競爭模型設計協同演化來動態地改變群體規模，實驗表明該模型是有效的；人工神經網路是得到越來越廣泛應用的學習系統，但是由於學習演算法存在一定的缺陷，如易於陷入局部極值，難以調整網路的結構等，使神經網路的應用受到一定的限制。 -
First, we have expatiated the working principle, performance parameters and major technologies. farther, we have analyzed the shortcomings of the existing catalog search engine and introduced the clustering analysis and the ant algorithm ; on the basis of this, we discussed the possibility and necessity of the connection between them, which avoids the local optimization of the clustering analysis to a degree. in the end, we appraise the idea that we deal with the information data by the data structure of the binary tree, m - branch tree and tree established by the ant algorithm, which can improve the efficiency of the search engine
首先闡述了搜索引擎的工作原理，性能指標，主要技術；分析了現有目錄式搜索引擎的缺點，接著介紹了聚類分析演算法與螞蟻演算法的理論，並論述了二者結合的可能性和必要性，這種結合方法也在一定程度上克服了聚類分析演算法容易陷入局部最優的缺點，最終提出了通過使用螞蟻演算法建立二叉樹、 m叉樹和樹作為信息數據處理的思想，大大提高了搜索引擎搜索的效率。 -
And it is obvious that pseudo - relaxation is a kind of local optimization method, so it cannot guarantee to get the global optimal solution. in this paper, a novel learning algorithm eprbam evolutionary psendo - relaxation learning algorithm for bidirectional association memory employing genetic algorithm and pseudo - relaxation method is proposed to get feasible solution of bam weight matrix
即使在和取定后，準鬆弛演算法的訓練和學習仍是一種局部最優化過程，它只是在初始權矩陣的附近找到第一個可行解就結束訓練，這類演算法並不能保證獲得全局最優解。 -
The paper puts forward the clustering algorithm includes : clustering based on grid and iterative, enhanced clustering algorithm base on density and k - medoids, enhanced k - means algorithm ( optimize chooseing consult _ points in iterative process ), enhanced clustering algorithm base on distance. they can overcome many limitations ( some traditional algorithms terminate in local optimization. many results of cluster are roundness, too many times in partition iterative process ), which are related to the static architecture of traditional model
在傳統聚類演算法的基礎上，結合我們科學數據挖掘的應用對象?分子動力學數據，提出了迭代網格聚類演算法， k -平均和基於密度結合的聚類演算法，迭代過程中優化選擇中心點的k -平均方法，以及改進型的基於距離的聚類演算法等模式識別方法，能夠解決傳統演算法帶來的諸多問題（比如一些傳統的聚類演算法常常收斂于局部最優，發現都模式都趨近於球形，劃分方法中迭代次數過多帶來的效率問題） 。 -
Based on the comparing analysis and character of clustering algorithm the simulated annealing （ sa ） algorithms was applied to the data clustering. simulated annealing （ sa ） algorithms are random search techniques based on physical annealing process, which can prevent the optimizing process into local optimization and get the global optimization
演算法以優化過程的求解與物理退火過程的相似性為基礎，通過接受準則和對下降溫度的控制，能夠有效的克服優化過程陷入局部極小從而獲得全局最優解。 -
But it is n ' t ideal because it is fallible in solving down - to - earth questions. for example, it is easy for the system to fall into local optimization state when learning algorithm is unsuitable. furthermore, there is a conflict between the complexity of network and generalization ability
而神經網路具有一些獨特的優點，如非線性映射、容錯能力等，因而相對于其它方法，神經網路在數據挖掘中具有更大的前景，但神經網路也存在一些問題，比較典型的包括在學習演算法選擇不當時，系統易陷於局部極優狀態，網路的復雜度與泛化能力之間存在矛盾等等。 -
Based on the result, a novel wideband code division multiple ( wcdma ) cell planning algorithm was proposed, which uses the set covering for overall planning and applies the tabu search for further local optimization
在此基礎上提出了一種新的wcdma基站布局演算法，該演算法使用集合覆蓋進行整體布局，使用禁忌搜索進行局部優化。 -
A new method combined global and local optimization is proposed
針對這一問題提出一種全局優化同局部優化相結合的雙層優化方法。 -
Based on gradient descent rule, the bp ( back propagation ) algorithm is a local optimization algorithm
Bp演算法基於梯度下降原理，是一種局部尋優演算法。 -
Its local optimization mechanism is its advantage, while its lake of architecture - specific optimization and weakness of global optimization has degradation its total generated code performance
具備相當完善的局部優化機制，同時缺乏全局的優化策略，以及針對特定體系結構的優化。 -
Both of single model extraction and multi model extraction are based on physical scheme. local optimization was used to extract different parameters in different region
單器件模型提取方法和多器件模型提取方法基於物理機制，論文中採用局域優化的方法，對不同的模型參數在不同的工作區提取。 -
3. from global to local optimization, hierarchical decision is effective to make a better system decision, which will be helpful to find the constraints of supply chain in the course of decision
本文中的決策模型按照從系統整體優化到局部優化分層的方式進行決策，有助於在決策過程中發現供應鏈中存在的制約因素。 -
In order to improve the population performance, the individual local searching is used to get the local optimization on the environment. finally, the comparison of algorithm efficiency is given
基於群體中各個個體所對應的表現型，進行局部搜索，從而找出各個個體在目前環境下的局部最優解，以便達到改善群體總體性能的目的。 -
Aimed at the ga ' s disadvantages : weak local optimization, easiness of falling into local extremum, this thesis presents an improved ga which introduces two operators " local search " and " adaptively avoid entropy decreasing "
針對遺傳演算法局部搜索能力差及容易陷入局部極值點的缺陷，提出一種改進的遺傳演算法，引入了「局部搜索?均值方差閥值」和「自適應防止熵減」兩個運算元。 -
6. a method of ga - based resource level optimization for construction system simulation is presented. it can avoid obtaining local optimization results, and the optimization results gotten by which are better than by traditional methods
6 .提出了基於遺傳演算法的施工系統模擬資源均衡優化方法，該方法能夠有效地避免搜索陷入局部最優，通過其所得到的優化結果比通過傳統方法所得到的更接近最優解。 -
In this thesis a modern global algorithm, tabu algorithm, is presented in this thesis. it is an intelligent optimization and extends the local optimization. a two - phase permanent magnet synchronous motor is optimized by improved tabu algorithm
本文研究的是一種全局智能優化演算法?禁忌搜索優化演算法，並用於兩相永磁同步電動機，同時還設計了一臺性能優良、可靠的兩相變頻電源，在此基礎上進行了實驗。 -
They are special economic zones depending on china ' s own scientific technological strength and industrial base. they are concentrated zones established for the purpose of transforming achievements of science and technology into practical productive force to the maximum extent through local optimization of soft and hard environments
我國的高新區始建於1985年，是立足我國的科技實力和工業基礎，通過創造局部優化環境，促進高新技術及其產業的形成和發展而建立起來的特殊經濟區域。 -
Due to the parallel global optimization characteristics of the genetic algorithm, the crossover using ant algorithm and genetic algorithm is adapted to generate the initialization vector of the sequential circuit, for avoiding the local optimization of ant algorithm
此外，為避免螞蟻演算法陷於局部最優，利用遺傳演算法具有并行全局尋優特點，將遺傳演算法與螞蟻演算法的交叉演算法引入時序電路初始化矢量生成。 -
In the algorithm, a real - coded genetic algorithm ( rga ) is firstly adopted to globally search for the optimal solution to the optimization problem for some steps, and then a specially designed local optimization algorithm named modifiable search space random search algorithm is adopted to intensify the search for the optimal solution in the local region determined by the rga so as to improve the search efficiency and the solution quality
該演算法首先採用實值編碼遺傳演算法對優化問題進行全局最優搜索若干步，在此基礎上，採用一種專門設計的變搜索空間隨機搜索局部優化演算法加強對重點區域的搜索，以提高搜索效率和改善解的質量。此外，為了提高遺傳演算法的搜索效率，改進了一種自適應交叉概率和變異概率的計算方法。 -
The subject focus on the issues about how to optimize the usage of material for manufacturing, especially on wood plate, the core arithmetic of the system is algorism genetic algorithms using the computer technology, the system is developed to realize the algorithms, which can optimize layout of two - dimensional cutting stock automatically the genetic algorithms overcome shortcomings of some traditional optimization, which can only get the local optimal solutions. the algorithms step out from local optimization to get the global optimization through the gene mutation of chromosome
本課題對目前製造業生產工藝中存在的下料問題，尤其是板式傢具的優化排料問題，進行了深入地分析和研究，將實數型遺傳演算法作為核心演算法，引入到系統設計中，提出了解決板材下料的一套實用演算法，結合計算機編程，實現了二維板材傢具優化下料的自動優化排料系統。
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