自相似問題 的英文怎麼說

中文拼音 [zìxiāngsìwèntí]
自相似問題 英文
self-similar problem
  • 自 : Ⅰ代詞（自己） self; oneself; one s own Ⅱ副詞（自然;當然） certainly; of course; naturally; willin...
  • 相 : 相Ⅰ名詞1 （相貌; 外貌） looks; appearance 2 （坐、立等的姿態） bearing; posture 3 [物理學] （相位...
  • 問 : Ⅰ動詞1 （請人解答） ask; inquire 2 （詢問; 慰問） question; ask about [after]; inquire about [aft...
  • 題 : Ⅰ名詞1. （題目） subject; title; topic; problem 2. （姓氏） a surname Ⅱ動詞（寫上） inscribe; write
  • 相似 : 1. （相像） resemble; be similar; be alike 2. （相像處; 類似物） similarity; similitude; analogue
  • 問題 : 1 （需回答的題目） question; problem 2 （需研究解決的矛盾等） problem; matter 3 （事故或意外） tr...
  1. Disigning coolant channel on the firebox of liquid rocket engine to loxodrome ( equal - angle helix ) groove can improve firebox coolant capability greatly. because the width dimension of loxodrome groove is narrow and the depth is deep, some machining methods are incapable, such as end - milling or electrochemistry. according to the peculiarities, a cnc disk - cutter - milling method which is composed of five motion axes with four simultaneously interpolated ones is researched. because most firebox generatrix is composed of complex curves, it is very difficult to get cnc cutting program with manual means. in order to deal with the problem, the loxodrome mathematics model is studied, and an auto - programming software system is developed. the software system can generate cnc cutting program of loxodrome on many kinds of turned surface. the constriction - distension segment of firebox is the most representative workpiece. the sharp changing of its generatrix slope makes loxodrome milling difficult. with the theory analyzing and practice cutting experiment, some applied techniques, which include milling mode and direction, choosing cutter diameter and cutting start point setting, are developed. adopting the technology above, tens regular workpiece have been manufacturing. the two - year manufacture practice has confirmed the validity and feasibility of developed loxodrome coolant channel milling method. the developed technology is also worth to be referenced to other similar workpiece

    將液體火箭發動機燃燒室的冷卻通道設計為斜航線（等傾角螺旋線）槽形，可以大幅度改善燃燒室的冷卻性能.斜航線冷卻槽的槽寬尺寸較小而槽深尺寸較大，所以無法使用棒銑刀銑削、電化學等加工方式.針對這些特點，提出了五軸控制、四軸聯動的數控片銑刀銑削加工方法.由於燃燒室外表面的母線輪廓復雜，手工編制數控加工程序難度大.為了解決數控加工程序的編制問題，研究了斜航線的數學模型，開發了自動編程軟體系統.使用該系統，可以生成多種母線輪廓回轉體外表面上的斜航線數控加工程序.燃燒室收斂-擴張段的母線斜率變化大，加工難度大，是斜航線冷卻通道加工的最典型工件.經過理論分析和實際切削實驗，研究了針對該類型工件的片銑刀直徑選擇、銑削方式和方向、刀具調整和起刀點的設置等多項實際的加工方案.採用上述的一系列技術，已經成功地加工了數十個合格工件.經過兩年多的實際生產過程應用，驗證了所開發的斜航線冷卻通道加工方法的正確性和可行性.這些加工技術的研製成功，對其他相似類型零件的加工亦具有參考意義
  2. Furthermore, due to the symmetry restriction of traditional radial basis function networks ( rbfn ) with gaussian function, the asymmetric gaussian basis function ( agbf ) is proposed to construct the full adaptive agbfn. because the asymmetry gaussian function ' s variability and malleability are higher than the traditional one, the asymmetry gaussian basis function can provide the agbfn which own a higher flexibility and can approach the true result more easily

    針對這一問題，文中提出了一種全自適應的不對稱高斯基函數網路（ agbfn ）結構，網路的基函數採用具有不對稱寬度的偽高斯函數，和常規的高斯函數相比，具有更大的可變性和延展性，從而使得隱層神經元在函數近似上具有更高的適應性，提高了神經網路的學習能力。
  3. After traditional computer network theory and technique has come through a few years of development and change, it has been more and more unconformable to today and future network application development. when face the problem of high outburst and self - similarity of the network flow, complexity and controllability of the cosmically network system, dependability of the network, it has been more and more disability

    傳統的計算機網路理論和技術在經歷了幾十年的發展變化之後，已經越來越不能適應今天和未來網路應用發展的要求，在面臨網路流量的高突發性和自相似性、大規模網路系統的復雜性和可控性、網路可信性等問題面前顯得越來越無力。
  4. In this paper, several mathematical definitions of self - similarity are given, and some of their properties are described. the method of justifying a self - similar process and getting its autocorrelation coefficient ( or self - similar parameter ) are also discussed. achievements which are achieved by scientific research of predecessors are summarized

    本文給出了自相似的幾種常見定義，描述了該隨機過程在數學和物理上的一些特徵，並討論了如何識別一個序列是否是自相似或長相關的以及如何定量分析其相關性強弱的問題。
  5. Combining with knowledge representation and automatic reasoning principle of ai and generic paradigm, the system has these main functions : ? it is able to show different solutions of typical example ; ( 2 ) it can automatically generate problems similar to the example for students to solve by providing them with clues ; ( 3 ) these problems can be studied by demonstrating the complete solution process and answers with the help of automated reasoning, or by providing real - time prompts to students concurrent with the students " solution processes with the help of automated reasoning ; ? it provides exercises and is able to call a program produced by the group ( the translator ), which transfers apla programs to executable programs so as to verify its correctness ; ( 5 ) it let teacher to add examples in the database ; etc. hi the course of systematic research, we deeply investigated the relevant knowledge of the system and made some innovation : about teaching content, we select par method as the main content

    本系統選用薛錦雲教授的par方法為主要教學內容，應用人工智慧的知識表示和自動推理原理及泛型思想，使得系統具有以下核心功能：展示幾種典型例題的解；以泛型思想為指導，實現了無限題庫，可以自動生成與典型例題類似的問題給學生求解並給予提示；對于這些題目，計算機可以自動推理出由問題到程序的全過程供學生學習；也可通過自動推理根據用戶的實際做題情況實時給出提示，互動式地幫助學生學習演算法程序設計；學生可以從問題庫中獲得練習，並調用轉換器，將自己的apla程序轉化為可執行語言程序，運行以檢驗其正確性；對教師而言，可以對已有的實例庫、問題庫進行添加操作等。在系統的研製過程中，我們深入研究了系統的各方面相關知識，並進行了多方面的創新：在教學內容方面，首次選用par方法為主要內容。
  6. Even what once seemed to be reasonably local matters - - - zoning regulations, school desegregation, drainage problems, public transportation issues, licensing requests from competing cable television companies - call for specialists who debate technicalities and frequently confuse rather than clarify the issues

    即使是那些似曾被理所當然地當作地方事務的各項事宜，諸如區劃法規、廢除校園種族隔離、排水問題、公共交通問題，以及來自各互相競爭的有線電視公司的收視許可申請等等，現在也召集專家對其進行學術論證，可結果經常是越論證越混淆，根本無法澄清這些問題。
  7. In the modal analysis, the similarity laws has been introduced to reduce the error during the assessment of the prototype building ' s natural frequency under the insufficient balance weight testing. by the author ' s theory, the prototype natural frequency can be the same even the balance weight of model is changeable

    在模態分析方面，本文利用相似性原理，解決了模態試驗在配重不足時，求解原型結構自振頻率誤差過大的問題，並且得出了在不同配重條件下，試驗模型與原型結構的頻率可以達到一致的相似準數。
  8. However, it is too expensive in investment, complex in experimental techniques, difficult and dangerous in performance. in this paper to overcome these drawbacks, the similarity relations together with a new method and its principle of experiment have been developed based on the model theory of structural similarity. according to this principle, the total stress ; an be obtained as a sum of the stresses due to weight and external loading, which based on only one model experiment without any gravitational loading

    最後，針對外載與自重共同作用下，傳統光彈性分析法中採用離心力場模擬重力場獲得自重應力的試驗投資耗費大、技術復雜且難度大和不安全等嚴重缺點，按照結構相似的模型理論，本文提出模型外載與自重並存變動外載的光彈性分析法，導出處理這個問題具體的相似律和試驗原理及方法，進行了典型實驗驗證，指出僅用外載作用的模型試驗，即不用離心力場模擬重力場的模擬試驗，就可以獲得上述兩種載荷共同作用下的應力分析結果。
  9. In the end of the paper, the development of the software is introduced and an example for floating - end heat exchanger design is given to show the usefulness of the system and the effect. the method presented in this paper makes use of database to save and manage the standard sizes data and makes use of drawing libraries to save and manager the parts and assembly drawings. the theory of fixed patterns with flexible sizes is used to generate the parts and assembly drawings

    文中提出的方法充分利用了數據庫技術對換熱器系列標準化尺寸數據進行有效的存儲與管理，利用圖庫對結構相同或相似的視圖進行分級分類存儲與管理，利用「死圖活尺寸」的圖形生成原理快捷地生成各種型號浮頭式換熱器的零部件圖和裝配圖，實現了浮頭式換熱器的輔助設計計算和自動繪圖的功能；所開發的軟體使得換熱器設計中許多實際問題得到圓滿解決，軟體開發方法具有通用性，對其它類型的換熱器輔助設計系統的開發有重要的參考價值，在該領域中將有良好的應用前景。
  10. Centrifuge model test technique preferably solves two problems : one is the gravity loss of the model soil, the other is the coupling problem between the seepage field of the ground water and the stress field of the stratum, which is a guidance for other deformation controls under the similar condition

    離心模型試驗技術較好的解決了在地下工程研究中模型土體的自重損失和地層位移分析中地下水滲流場和地層應力場相互耦合作用問題，對于在相似條件下富水地層隧道開挖施工如何控制地表沉降變形的研究方面具有指導意義。
  11. In the thesis, the author researches how to express the die case, organize the case base, and retrieve the case. at ( he key nearest algorithm system, fuzzy reasoning is used to retrieve the case according to the similarity between the die structure cases. the system also provide a strategy to reuse the retrieved case and make the system can study by itself

    論文中提出了模具智能化cad系統的體系架構和智能化方案；將基於實例推理的技術應用到模具結構設計當中，針對這個問題詳細的討論了模具結構實例的表達，模具結構實例庫的組織，模具結構設計過程當中針對具體的應用情況如何進行模具結構實例的檢索；本文應用模糊推理技術採用了權值鄰近法根據模具結構實例之間的相似度進行模具結構實例的檢索，並且給出了系統再學習的具體策略，使整個系統具有自學習的功能。
  12. Self - similar solutions of fracture dynamics problems on axially symmetry

    軸對稱斷裂動力學問題的自相似解
  13. This paper propose a refined self - organizing map that can directly handle categorical data or hybrid data, map the data to lower dimensions, and also uncover the similarity among data

    本研究針對此問題，提出改良式自組映射圖，能直接處理種類型態或混合型態的資料，同時在投射后的低維度空間，反映高維度資料之間的相似度。
  14. By a generalized version of ags reduction procedure we show that the forms of quantum dynamics at different strata are the same. this is the self - similarity of quantum dynamics

    摘要推廣少體問題中的ags約化理論，證明量子動力學在不同層次具有相同形式，稱為量子動力學的自相似。
  15. Tcp congestion control & self - similar and lrd of network flow have been two hot research problems

    Tcp擁塞控制和網路流的自相似、長相關性已成為國內外研究的兩大熱點問題。
  16. We proposed an improved simulated annealing algorithm with neighbor function based on self - optimization of scale parameter. furthermore incorporating disaster - modification and the improved annealing into genetic algorithm, an improved genetic - annealing algorithm is proposed. in order to solve the deceptive minimum problem, an improved evolutionary strategy combined with similarity detection and improved mutation operator

    提出了鄰域尺度函數自尋優的模擬褪火演算法，結合遺傳演算法，引入災變運算元，提出了改進遺傳模擬褪火演算法；為了解決尋優過程中的最小欺騙問題，我們提出了相似性檢測，結合改進的適應值無關變異運算元，提出了基於相似性檢測和適應值無關變異運算元的進化策略演算法。
  17. With the advancement of tissue cytobiology and material engineering, by the way of tissue engineering, it is compatibile that we are going to culture the smg. the principle of the construction of tissue engineering smg is that the smg cells are isolated and cultured in vitro, and the seeded cells in the three - dimensional scaffolds

    組織工程學研究的進展，無疑給解決這一問題帶來新的希望，隨著細胞生物學和材料工程學的發展，應用組織工程學的方法，在體外培養有生物活性，且在結構和功能上與自體頜下腺相類似的組織工程化頜下腺成為可能。
  18. Many problems of bioinformatics are very similar to those of natural language processing ( nlp ) from the viewpoint of information processing, thus classic methods of nlp can be applied to bioinformatics problems

    摘要從信息處理的角度來看，生物信息學與自然語言處理中的許多問題是非常相似的，因此，可以將一些自然語言處理中的經典方法應用到生物信息學文字中。
  19. To solve his interaction problem with the other agents, natural language processing algorithms and reinforcement - based learning strategies ( leading to an artificial life approach ) have been developed to train the software agents to adapt themselves to the profile of the human agent. the natural language processing fchapter v ^

    為解決他與其它agent的相互關系問題，我們提出了自然語言處理演算法和強化式學習策略（這兩種方法產生的效果類似於人工生命）來訓練軟體agent ，使其具有人類agent的輪廓。
  20. To solve the problems of adaptive determinition of the cluster number, flexible objective function definition and approximate optimal computation in clustering analysis, a ga - based divisive hierarchical clustering algorithm ( gadhc ) was proposed, which integrated some features of divisive hierarchical clustering algorithm and binary genetic clustering algorithm

    摘要針對聚類中自適應確定聚類個數、目標函數靈活定義及優化的近似計算等問題，綜合了分裂式層次化聚類演算法能根據相似度閾值自適應地確定聚類個數的特點及二進制遺傳聚類演算法具有較強的搜索近似最優解能力及目標函數定義靈活的特點，提出了一種基於遺傳演算法的分裂式層次化聚類方法。
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