樹結構計算機 的英文怎麼說
中文拼音 [shùjiēgòujìsuànjī]
樹結構計算機
英文
tree machine- 樹 : Ⅰ名詞1 (木本植物的通稱) tree 2 (姓氏) a surname Ⅱ動詞1 (種植; 栽培) plant; cultivate 2 (樹...
- 結 : 結動詞(長出果實或種子) bear (fruit); form (seed)
- 構 : Ⅰ動詞1 (構造; 組合) construct; form; compose 2 (結成) fabricate; make up 3 (建造; 架屋) bui...
- 計 : Ⅰ動詞1 (計算) count; compute; calculate; number 2 (設想; 打算) plan; plot Ⅱ名詞1 (測量或計算...
- 算 : Ⅰ動詞1 (計算數目) calculate; reckon; compute; figure 2 (計算進去) include; count 3 (謀劃;計...
- 機 : machineengine
- 結構 : 1 (各組成部分的搭配形式) structure; composition; construction; formation; constitution; fabric;...
- 計算機 : computer; calculator; calculating machine; computing machinery; electronic wizard; processor; pro...
- 計算 : 1 (求得未知數) count; compute; calculate; reckon; enumerate 2 (考慮; 籌劃) consideration; pla...
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This dissertation is chiefly act below work : ( 1 ) expatiating the equipments diagnosis technique development process and trend, putting forward the standpoint that giving systematical diagnosis to the mechanical and electrical equipment and expanding the technical application in equipment diagnosis, making it breakthrough the traditional application of maintaining etc. in equipments, still be used for improvement and development etc. s of new product ' s design ; ( 2 ) probing into vibration type and disposal method of vibration signal, the usual method of equipment condition recognition, the essential constitutes and development trend of observation and diagnosis system ; ( 3 ) introducing the development trend of domestic and international crusher and the distinguishing feature of double turnplate stike crusher which is a new product. according to the breakdown phenomenon in running process, establishing the fault tree and deducing every kind of foundation affairs resulting in fault ; ( 4 ) studying the calculation method of critical rotation speed
本文主要做了以下工作: ( 1 )闡述了設備診斷技術的發展過程及發展趨勢,提出了應結合實際對機電設備進行系統診斷的新的技術思路,用實踐證明了應當拓寬設備診斷技術應用的范圍,使設備診斷技術既可以在設備管理和設備維修中得到應用,也可以用於新產品的設計改進及開發等; ( 2 )探討了振動的類型及振動信號的處理方法,設備狀態識別常用的方法,監測與診斷系統的基本構成與發展趨勢; ( 3 )介紹了國內外破碎機的發展趨勢,以及雙轉盤沖擊破碎機這一新產品的結構和特點,並根據試機過程中出現的故障,建立了故障樹,並導出了導致故障發生的各種基礎事件; ( 4 )研究了臨界轉速的計算方法和原理,用傳遞矩陣法計算出了破碎機內轉盤的臨界轉速。This thesis gives a brief account of the basic theories of software engineering and computer graphics, of the data structure of individual component modeling, of the design of the software structure and of the method of realizing software. meanwhile, this thesis put more emphasis on the exploration of the arithmetic of the delaunay triangle network, nurbs curve integration, the filling - in arithmetic of triple - tree, and the arithmetic based on the scan - line arithmetic and the filling - in of complex section
文章介紹了關于軟體工程學與計算機圖形學的基本理論及其各組件模型的數據結構、軟體結構設計與軟體實現的技術方法,並重點討論了基於約束條件的delaunay三角網格化演算法、 nurbs (非均勻有理b樣條)曲面擬合、三叉樹等值線填充演算法和基於掃描線的復雜剖面填充演算法。Topics covered include : randomized computation ; data structures ( hash tables, skip lists ) ; graph algorithms ( minimum spanning trees, shortest paths, minimum cuts ) ; geometric algorithms ( convex hulls, linear programming in fixed or arbitrary dimension ) ; approximate counting ; parallel algorithms ; online algorithms ; derandomization techniques ; and tools for probabilistic analysis of algorithms
主題包括?隨機計算、資料結構(雜湊表、省略串列) 、圖論演演算法(最小擴張樹,最短路徑,最少切割) 、幾何演演算法(凸殼、在固定或任意維度的線性規劃) 、近似計數、平行演演算法、線上演演算法、消去隨機技術,以及演演算法的機率分析工具。This thesis explains the necessity of the character recognition technology of the computer at first, describe the meaning in which the handwritten numeral discerns ; pretreatment technology of handwritten numeral recognition, including two value, line segmentation, word segmentation smooth, removing noising, standardization and thinning are discussed two value concretely discusses whole threshold value, some threshold value, dynamic threshold value and utilize space information to carry on threshold, which are several kinds of common method of choosing threshold value, especially utilize space information to carry on threshold value is describe in detail ; adopting to the foundation of thinning based on mathematics morphology, thinning algorithm of serials same and thinning algorithm of protecting shape are discussed ; afterwards, according to principle ' s diagram of the on - line character recognition, by analyzing the structure feature of the handwritten numeral, this thesis has proposed the online recognition te chnology of the free handwritten numeral based on the stroke feature and the online recognition technology of the free handwritten numeral based on the multistage classifying device. detail narrated noise removing, stroke characteristic definition and discernment, distance criterion of whole word match ; then under the foundation of handwritten numeral segmentation, off - line handwritten numeral recognition is researched. especially minimum distance classifying device, tree classifying device and adaptive resonance ( art ) network classifying device is discussed at the same time, believes degree analyses are introduced to integrate a lot of classifying devices ; at the end, the typical application of the handwritten numeral recognition was briefly narrated, its application in extensive data statistics, financial affairs, tax, finance and mail sorting have been explored
二值化時對整體閾值二值化、局部閾值二值化、動態閾值二值化和利用空間信息進行閾值選取幾種常用的閾值選取方法進行討論,特別對利用空間信息進行閾值選取進行了詳細論述;在對通過對基於數學形態學的細化的基礎上,討論序貫同倫形態細化演算法和保形的快速形態細化演算法;然後依據聯機字元識別原理框圖,分析了手寫數字的結構特點,提出了基於筆劃特徵的任意手寫數字在線識別技術和基於多級分類器任意手寫數字在線識別技術,對其中涉及的筆劃識別前的噪聲處理、筆劃間特徵量的定義及識別、整字匹配的距離準則進行了詳細敘述;繼而在對手寫數字的分割的基礎下對脫機手寫數字識別進行了研究,對基於最小距離分類器字元識別、基於樹分類器的字元識別、基於自適應共振( art )網路的字元識別分別進行了詳細討論,並引入置信度分析將多個分類器進行了混合集成;最後簡單闡述了手寫數字識別的典型應用,對其在大規模數據統計、財務、稅務、金融及郵件分揀中的應用進行了探索。This paper is to research into the transmission technology for p2p - based media streaming of application layer multi - cast in a tree structure so as to ensure the computer to deliver the same data to the users without forming data storm
摘要研究了應用層組播的p2p流媒體傳輸技術,給出了應用層組播樹的結構,使得樹的結構能夠保證用戶計算機不互相傳送同樣的數據而形成數據風暴。It can be used in any complex environment, can locate all paths from transmitter to receiver which avoid redundant calculation, and it is a standard 3 - d forecast model ; in addition, it is a point to point ray tracing method based on specular theory which do n ' t carry out the receive test ; furthermore the model adopt the reverse arithmetic which exert the tree concept in data frame and establish a virtual fountain tree permanently, the proagmme can back - search the virtual fountain tree when it is running. these operation increase the calculate speed and it result in the higher receive efficiency and precision. the thesis design a programme to compare the prediction results based on ray tracing method of virtual fountain tree between the measurement results and prediction results based on the other transmittion models. the comparsion result indicate the new model is a better model
它可應用於任何復雜的傳播環境中,能找到發射機到接收機之間的所有電波傳播路徑而無須冗餘的計算,是一種準三維的預測模型;另外,從本質上講,它仍然是一種基於鏡像理論的點對點的射線跟蹤法,所以它無須進行接收測試;而且由於採用了反向演算法,運用數據結構中多叉樹的概念,先確定需要計算的場點位置,找出所有能從源點到達場點的射線,並且可一次性建立一個虛擬源樹,以後每次的計算只要通過對該樹進行後序遍歷即可,大大提高了運算速度,因而有較高的接收效率與精度。本文對該模型進行了相應的模擬,並將其預測結果與實測結果以及基於cost231經驗性模型和基於強力射線跟蹤確定性模型的預測結果進行了比較,結果表明了該模型的優越性。The data mining modeling of a decision tree is studied using the transmission system of a lathe as an example, and the mapping of product conceptual design is primarily achieved
以機床傳動系統為例,研究決策樹演算法的數據挖掘模型,並初步實現了產品概念設計過程的功能結構映射。This strain ' s virulence was judged by mean death time of chick embryos ( mdt ), intracerebral pathogenicity index in day - old chicks ( icpi ) and intravenous pathogenicity index in 6 - week - old chickens ( ivpi ) and it was found to be the virulent strain. at last, it was tested by the recurrent infection and found that it was the newcastle disease virus ( ndv ), and it was named hbg - 1 strain. in order to find the difference of the cleavage site of this strain with f48e9 and ? 30 strain, a part of the cleavage site of fusion protein gene fragment was amplified by rt - pcr using a primer and sequenced. the sequence analysis showed this strain had low homology with f4ge9 and cso. a phylogenetic tree based on the published sequences of ndv reference strains was constructed and showed the isolated strain hbg - 1 belonged to the genotype w ndv, a novel genotype ndv
為了進一步探尋分離株與標準株的異同,又採用rt - pcr方法,擴增獲得分離株f _ o裂解位點附近的基因片段,經測序后與國際上已發表的新城疫病毒的核酸序列進行比較,結果表明其與標準株和疫苗株之間的同源性較低,僅為82 86之間。經系統發育進化樹分析后,判定該分離株為新城疫病毒( ndv )基因型。運用計算機軟體對其裂解位點處的氨基酸序列進行預測和分析,結果表明該分離株為新城疫病毒強毒株並具有基因型的典型結構特徵。I study mainly the storage of record and object, and bring forward the method of storage when the instance of object is embodied inside of record. 3 ) in the aspect of indexing, i presented a method that is generalized b - tree ( gbt ) and combining technique of founction template of c + + build the universal algorithm of queries, insert and delete. 4 ) finally, i analyze deeply and improve the query processing system of ormdbms, and confirm performance algorithm of linking and queries based on relational database. management system ( rdbms )
在系統結構和特性中分析了系統所採用的兩層體系結構,並且詳細探討了在設計和實現數據庫時所涉及到的幾個主要問題:支持復雜對象、類型擴充、繼承機制和規則系統等;在存儲機制的討論中,主要研究了記錄和對象以及包含了對象實例記錄的存儲方法;在索引技術研究中,本文提出了類屬b樹的索引方法,通過c + +的函數模板技術給出了通用類屬b樹查詢、插入及其刪除的基本演算法;最後,文章以關系數據庫為基礎,深入分析並改進了在對象關系多媒體數據庫中的查詢處理系統,確定了選擇和連接操作的具體演算法。This paper has a further study on the key technology called validity maintenance mechanism in semantic feature modeling in order to maintain the intent of designers and satisfy them. the method combines geometry model and semantic feature modeling, setting up new feature representation 、 cell element naming and identification method. in the meantime, a history - independence interactive feature boundary re - evaluation algorithm is presented based on feature editing. moreover, the validity recovery mechanism after invalid feature operation can maintain the original feature model. the above ideas have been realized on hust - caid ( computer aided industry design system developed by harbin university of science and technology ) preliminarily
為了能夠正確地維護設計者的設計意圖和滿足用戶的需求,本文在原有造型的基礎上對語義特徵造型中的關鍵技術即有效性維護機制進行深入的研究,將幾何模型,語義特徵模型結合起來統一進行研究,建立了語義特徵造型在產品模型設計過程中特徵表示方法的新理論、細胞元素命名方法和辨別機制,同時對系統原有特徵編輯過程進行了研究,提出了獨立於歷程樹的特徵邊界重構演算法以及模型操作無效時的有效性恢復方法。A computer language can be viewed as a hierarchical tree of language constructs
一門計算機語言可以看作是語言結構的一個分層級的樹。The subsystem consists of analyzing the formative reasons of bridge ' s damages and making decision in how to maintaining and consolidating. in it, the decision - making tree model and the representative knowledge repository of the methods of maintainence and consolidation are built ; the fifth chapter is the application of the system. the main steps in use and the way of dealing data are expressly presented in cite of the application of tow bridges ; the sixth chapter is the systemic analyses in software and the design in its framework, including the course of design, basic framework and its function ; the seventh chapter is the conclusion
這個子系統是整個系統的基礎;第三章是評價子系統,提出用以評價橋梁技術狀況三大單項指標和綜合指標,並制定了相應的評價標準;第四章是決策系統,包括病害原因分析以及養護維修決策,建立了橋梁的決策樹模型和典型的處治對策專家庫;第五章是橋梁維修加固計算機系統應用,介紹了系統在實際應用中的主要步驟及數據統計處理的方式,並以兩座橋為例說明系統的應用過程;第六章是軟體系統分析及結構設計,介紹了系統軟體的設計過程、基本結構和功能;第七章是結論與展望,綜述了本文中的主要論點及工作成果,對存在的不足之處和今後的努力方向提出觀點。The conventional ways has low efficiency, which result in the application of overlap grid in moving - grid problem, which need re - disposes the interpolating connection in every step in time direction, is very difficult considering the computational efficiency. aim at the above problem in application of overlap grid, this paper using an new manner rooting in analysissitus to put forward a “ method of distinguishing points of intersection ” and develop corresponding computational soft, which could realize the automatic and shape - independent pre - disposal process for overlap grid. to deal with the problem of low efficiency for pre - disposal process in moving - grid, this paper bring forward the “ mosaic ” method and adt method which based on the huge memory of modern computer
對于重疊網格在動網格應用中的計算效率問題,本文通過進一步研究插值信息的高速查詢方法,提出不同於傳統演算法思路,以現代計算機大內存為基礎,用計算機物理內存空間換計算時間的」 mosaic 」方法以及應用基於二叉樹數據結構的adt ( alternatingdigitaltree )方法兩類方法,成功的將原處理時間提高了兩個數量級? ?即將網格規模在百萬量級的重疊網格預處理時間從傳統方法的耗時30 60分鐘提高到幾十秒鐘,從而成功解決了這一問題。However, the second technology has the following disadvantages : first, data paging and tmrm generating are integrated into one modulate, next, data structures they used are very complicated and large, in addition, the work of data preprocessing is very heavy and frequently data paging need the server with high performance, at last this paging method is very difficult for implementation. as for the first technology, an important advantage of it is that the data paging and tmrm generating are not interdependent, so it will be more e asily applied in practice than the second one. as an implementation of the first technology, lindstrom introduced a method which uses quadtree and triangle binary tree to organize terrain data and adopt multithread mechanism to realize the data process
而第一種流式處理技術盡管一次調入的數據量稍大,但其數據調度與多解析度模型的生成在功能上是相互獨立的,如果處理得當更容易在實際工程中得到成功的應用,對於它的實現, lindstrom提出了利用四叉樹及三角形二叉樹進行地形數據組織並利用多線程機制進行數據調度與簡化的流式處理方法,但該方法的缺點是:其數據結構依賴于地形的物理分割,因此數據結構龐大;多解析度模型生成的計算量也依賴於物理分割的粒度,即物理分割粒度較粗時,數據范圍增大,計算量會急劇增加;該方法不能實現模型的增量生成。分享友人