重算數據文件 的英文怎麼說

中文拼音 [zhòngsuànshǔjùwénjiàn]
重算數據文件 英文
roll back data file
  • 重 : 重Ⅰ名詞（重量; 分量） weight Ⅱ動詞（重視） lay [place put] stress on; place value upon; attach im...
  • 算 : Ⅰ動詞1 （計算數目） calculate; reckon; compute; figure 2 （計算進去） include; count 3 （謀劃;計...
  • 數 : 數副詞（屢次） frequently; repeatedly
  • 據 : 據Ⅰ動詞1 （占據） occupy; seize 2 （憑借; 依靠） rely on; depend on Ⅱ介詞（按照; 依據） according...
  • 文 : Ⅰ名詞1 （字） character; script; writing 2 （文字） language 3 （文章） literary composition; wri...
  • 件 : Ⅰ量詞（用於個體事物） piece; article; item Ⅱ名詞1. （指可以一一計算的事物） 2. （文件） letter; correspondence; paper; document
  • 數據 : data; record; information
  • 文件 : 1 （公文、信件等） document; file; papers; instrument 2 [自動化] file; 文件保護 file protection; ...
  1. In recent years, plentiful and substantial fruits achieved by the lb method in simulations of hydraulics, multiphase flows, flows in porous media and heat transfer as well as magnetohydrodynamics, have revealed a broad perspective of application of this method, it will become a powerful competitor to the conventional approaches. in order to absorb the recent achievement in theory and application of the lb method, explore new ways in hydraulic computation to promote the development of practice, some work is car ried out in this thesis, as following : advances in the theory research and application, deductive process of the d2q9 model and some other commonly used models of the lb method are summarized. based on the hydrodynamic and general boundary conditions, a new joint boundary condition is presented, it integrates advantage of the two conditions above and obtains very good results in dealing with all kinds of boundaries of flow fields

    為了消化和吸收近年來lb方法在理論和應用方面的新成果，探索在水力計算方面的新途徑以促進lb方法實用化的發展，本文進行了下列研究工作：綜述了lb方法在理論研究和實際應用方面的新進展，以及d2q9模型的推導過程和其他一些常用的模型；在水動力邊界條件和通用邊界條件的基礎上提出了一種新的聯合邊界條件方法，它綜合了上述兩種邊界條件的優點，在流場的各種邊界處理中取得了非常好的效果，經過模塊化的處理以後這種邊界條件具有更好的實用性；針對均勻網格的lb方法計算效率較低的不足，提出了雙重網格的latticeboltzmann方法，通過二維poiseulle流動、后臺階流動和渠道方槽流動三個算例的模擬，證明這種方法能夠明顯地提高流場模擬的計算效率；此外，根據復雜區域流場的特徵提出了latticeboltzmann方法的分塊-耦合演算法，利用lb方法的計算特性實現塊與塊之間的數據交換，充分利用計算資源提高計算效率，通過對「 t 」型、 「十」型和「 x 」型分岔管道流場的模擬，展示了這種演算法的特徵和優點，以及它所具有的應用前景。
  2. The second, the main work in the paper is discussed. they are include : the theory and character of electromagnetic leaking from a computer ; the theory of accumulation mean filter and pectination filter ; the analysis of synchronous signal precision, at 10 - 12 second level, for stably intercepting ; the technology requirement of receiver and data acquisition board for clearly displaying the images recovered from the intercepted data

    本文從計算機視頻電磁泄漏和數字濾波器兩方面的基本理論出發，詳細論述了計算機視頻信息電磁泄漏的原理及特點，指出視頻泄漏信息的頻譜是以行頻為周期的譜線；分析了重加濾波器和梳狀濾波器的性能；分析了視頻泄漏信息截獲的條件；推導出穩定截獲視頻泄漏信息需要對同步信號的精度控制在皮秒級；論述了清晰再現對接收機和數據採集卡的技術要求。
  3. 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。
  4. In the thesis. reading the iges file - 3 - and all the geometry entities and annotation entities are extracted ; on the base of geometry entities extracted, geometry entities are classified based to their three views. a new data structure is proposed to describle 3d form features ; inspection items of the workpiece are recognized ; the cmm - based inspection planning system is built ; on the other hand, as a part of cims, cmm need exchanging data with the software of cad / cam, so iges export interface is developed based on iges standard. in order to show the whole information of the surface, the 3 - dimensional free - form surface is drawing using the opengl

    通過讀取iges文件對實體進行分離、提取、識別出對工件進行描述的原始信息；在此基礎上，西安理工大學碩士學位論文提出一種優化演算法對三視圖自動進行分離，建立了一種對工件進行三維描述的數學模型，照此模型對工件進行立體重構；識別出工件的各種檢測信息，提出一種對公差信息進行描述的數學模型，井與三維立體相結合，生成有檢測意義的三維實體；根據三坐標機的測量系統，生成相應的檢測規劃；另一方面，作為cmis的一部分，應具有與cad cam軟體之間的數據交換功能，本文還開發了iges輸出介面，採用opengl繪制三維空間曲面，向用戶展示其全面信息。
  5. This paper focuses on the combitional logic synthesis including two level logic synthesis and multiple level synthesis. and it is a part of control flow synthesis in a controller synthesis system. in this paper following problems are proposed and implemented : ( 1 ) implement the algorithm " espresso ", and make it suit to the system

    本文所完成的組合邏輯綜合的研究與實現是控制流綜合系統的一個組成部分，其中包括： （ 1 ）引入並實現了兩級邏輯綜合的「 espresso 」演算法，定義與系統相適應的數據結構，重新測試各種開關條件，使之適用於系統的實際應用。
  6. The second chapter simply introduces the development of alternate asynchronous inverter technology and retrospects some types of energy - saving systems for hydraulic elevators. then the working principles of the project are discussed and analyzed at four different working status, i. e. light load upwards, heavy load upwards, light load downwards and heavy load downwards. and the chapter focus on the introduction of structure design of pump station, calculation and type selection of pump / motor reversible units, research on oil leakage principles of accumulator circuit, design of accumulator - pump / motor pressure - energy transformer and integrated valve blocks, etc. the last but not the least, the electrical wiring of vector inverter control cabin and design of computer control and data acquisition system are introduced

    論文第二章首先簡單介紹了交流異步電動機變頻調速技術的發展概況，在回顧電梯液壓控制系統節能技術的基礎上，介紹了本課題研製的「採用蓄能器的液壓電梯變頻節能控制系統研究」的基本原理，分析了動力系統在電梯轎廂輕載上下行、重載上下行等四種典型工況下的基本工作狀態和工作方式；詳細地介紹了本課題節能系統液壓動力泵站的結構設計和參數設計，重點研究了液壓動力泵站的結構設計、液壓泵馬達可逆性問題及其選型設計計算、蓄能器迴路泄漏油損失機理的研究及其補償裝置的設計、蓄能器-泵馬達壓力能量轉換裝置的設計、多功能集成控制閥組的設計等內容；最後簡單介紹了本課題矢量控制變頻控制櫃的外部附件電氣接線、計算機控制及數據採集系統的硬體設計等內容。
  7. In this paper, systemic theoretic analysis of the relationship of stock structure and operating performance is progressed, based on this, theoretic study and demonstration analysis organic fall together, and the neural networks model that can reflect their relationship total and systemic is established. the input variable of the model can reflect the panorama of stock structure, also, it can embodiment other influence factor of company performance. the evaluation target system that can reflect the operating condition of listed companies completely, impersonality and truly is advanced, at the same time, the best result weights confirm method is brought forward, thereby, the fuzzy integrate evaluations method is improved

    本文對股權結構與經營績效之間的關系作了系統的理論分析，並在此基礎上，將理論研究和實證分析有機地結合起來，建立了一個能全面、系統地反映它們之間關系的神經網路模型：該模型的輸入變量在反映股權結構全貌的同時又體現了公司績效的其它影響因素；提出了可以全面、客觀、真實地反映上市公司經營狀況的評價指標體系，同時提出了最佳結果權重確定法，從而改進了模糊綜合評價方法，並利用改進的模糊綜合評價法求出公司經營績效的綜合量化值作為神經網路的期望輸出；改進了神經網路模型的演算法，使其在樣本數據相對較少的條件下也能很好地在性態上模擬被逼近函數。
  8. In the section of experiment, we focused on the research of optical system of optical parameter oscillation, computer controlling data sampling closed - circuit system and technology of computer controlling feed - back. in the section of optics, we used present condition to do the experiments about optical parameter effect and got a series of characteristic curve on power transition efficiency and output power

    本文的實驗部分主要側重於智能化光參量系統的光學部分、計算機控制數據採集閉環系統以及計算機控制反饋技術的研究。在光學部分，本論文利用現有實驗條件進行了參量振蕩器頻率調諧的研究，得到了調諧曲線，並做了輸出參量光的能量轉換效率以及輸出功率的實驗，得到一系列特性曲線。
  9. Since the suggested method makes a significant improvement in wind speed, it is more suitable for wind field estimation over complex terrain than other methods which only concerns the effect of distance. then we calculate the wind change with evaluation, last we can conclude the wind abase the hilly terrain, we find the wind in westward and center plain is much smaller than other area. while the wind in northward hilly area is much bigger with the hilly arising. the wind of chongqing is the biggest period in spring ( april ), the smallest period in winter ( january ), the wind in summer ( july ) is bigger than its in autumn ( october )

    本文利用重慶及其周邊地區的常規氣象站的1951 ? 1980年30年的風速平均資料，針對復雜地形風速診斷，以地理信息系統為數據處理平臺，根據重慶1 ： 25萬dem數據，來獲得重慶市實際復雜地形的高程，提出了一種適合於起伏地形的權重內插方法，通過引入一個表示地形起伏變化程度的因子，構造了一種新的權重函數，來處理復雜地形上的風速，通過與只考慮距因素同反平內插方法比較發現，本方法更適合在起伏地形條件下使用；然後根據經驗公式在地形上進行計算，得出重慶地區起伏地形下的風速分佈；得出重慶市的西部、中部平原地帶風速較小，而北部山區隨海拔高度升高風速也較大；重慶市風速最大時期為四月份，冬季一月份最小，夏季（七月份）大於秋季（十月份） 。
  10. 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。
  11. It ' s a pity that although there are many papers and articles focused on data mining published every year, most of them deal with data mining concept and abstract algorithm theory, it is hardly to see their real implementation and application, in this context, when i was in my graduate exercitation in a company in beijing, which focus on developing supermarket software, i joined and completed an olap ( online analytical processing ) project, merchandise analysis and sale report system, which based on microsoft analysis service and microsoft sql server. i also design and implement three important algorithms : merchandise association rule algorithm based on multi - level merchandise category, supermarket member customer shopping frequent sequence generating algorithm, customer classification ( decision tree ) algorithm which based on information entropy and conditional probability tree, and they all achieve expected result

    本文作者在實習期間，參與並完成了基於微軟分析服務器的銷售分析與報表系統；並在公司即將開始的數據挖掘項目中，完成了多個重要演算法的設計和c + +程序實現：基於多層分類商品樹的商品關聯規則演算法，會員顧客的購物頻繁序列模式產生演算法；基於信息熵理論和條件概率樹的會員顧客分類（決策樹）演算法，並分別使用數據進行了測試，取得了較好的結果。
  12. This paper makes researches on pdm ' s kernel function - pcm ( product configuration management ) under the conditions of autocad and low - price dbms witch could be acceptable in our middle or small factories. this paper mainly discusses the recursive query algorithm based on general database witch is offered in oracle, the problem of the automatic bom maker for autocad and conversion from bom to product structure trees. thus the data of autocad files could go into erp ( enterprise resource plan )

    本文從pdm理念出發，在我國中小企業普遍能接受的autocad和低價位數據庫管理系統的平臺條件下，對pdm的核心技術模塊pcm （產品結構管理）的實現進行了研究，重點解決了在一般數據庫中實現數據庫系統oracle中具備的遞歸查詢演算法， autocad環境下bom表的自動生成技術，以及bom表向產品結構樹的轉化問題，從而使cad數據通過bom表的橋梁作用進入erp （企業資源計劃）系統。
  13. A numerical model has been established which is suitable to cefr steady state and transient simulation. in these cases, a lot of calculation data have been accumulated during the analysis, including pro - process macro file named grid. mac, process control macro file named cal _ control. mac, and post - process fortran file named posdat. f. these data and files are very useful to thermal - hydraulical analysis of cefr and prototype pool - type lmfbr thermal design in the future

    建立了一套適合快堆穩態和瞬態模擬的數值模型，積累了大量的計算數據，對整個計算過程作了整理，編制了前處理宏文件grid . mac ，過程數據控制文件cal _ contral . mac和后處理文件posdat . f ，對目前快堆堆內過程的熱工水力分析和今後原型快堆的熱工設計都有非常重要的意義和借鑒價值。
  14. With the application background of the development of pbc dalian branch " disposal information s ervice system ", the decision supporting subsystem of dalian international cooperating group information system and china life insurance company dalian branch " estimate and planning of market the decision supporting system ", paper applies itself to resolve the above conflict and problem, in order to enhance the self - adaptive of dw system, to implement integration optimization within dw and measure the users compatibility, and to get a self - adaptive dw system. during the process, it uses dw technology, dw quality, corba structure and agent technology. the content is below : ( 1 ) in order to decrease the development cost, to improve the multiplexing of components and to realize load balance and distributional calculation in larger range, paper studies and realizes the self - adaptive architecture of dw with the corba technology, agent technology and java programming language. as a result, the dw architecture get the ability of initiative, permanence and intelligence

    鑒於此，本文以數據倉庫系統面臨的問題與矛盾為研究背景，以中國人民銀行大連資金清算中心清分信息服務系統、大連國際合作集團決策支持系統、中國人壽保險公司大連分公司營銷決策支持系統評估與規劃等三個項目為應用背景，以強化數據倉庫系統的自適應性、在數據倉庫系統中進行聚集優化和度量數據倉庫用戶適用度，得到一個自適應的數據倉庫系統為目的，利用數據倉庫技術、數據倉庫質量、 corba結構以及agent技術，重點研究了以下內容： （ 1 ）為達到降低軟體系統開發成本、提高組件重用性、在較大范圍內實現平衡負載與分佈運算的目的，賦予數據倉庫體系結構主動性、持久性、智能性的能力，本文利用corba技術、 agent技術與java編程語言，研究並實現了數據倉庫自適應體系結構。
  15. This can be of significant benefit to cut down the cost and time limit for a project the program package gone with this paper may realizes the dynamic simulation for all of courses in hoisting, and may synchronously displays the axis force of derrick, the pull - force of the steel wire, obliquity of equipment and overloading instance

    這有利於工程實踐中方案變更、施工現場條件復雜多變等的方案驗算，節約成本和縮短工期。本論文程序為桅桿吊裝整個過程實現了動態模擬，顯示桅桿軸向壓力、鋼絲繩拉力、設備傾角和起重超載提示，為安全吊裝設備提供重要的數據，有利於作業過程的全程監控。
  16. This language implements the syntax definition, such as report data source sql operations between data and report conditions etc. the report data files can be gotten after the data parser parses the report data definition file with dom

    本文重點描述了基於xml的自定義報表數據語言xrdl ，該語言實現了報表數據源sql 、數據間的運算、報表條件、合計等語法定義。
  17. The target is that it begins with the information of the graph ( based on pdm ) used to directly depict parts, being supported by the currency cad / cam system, receiving the producing information by interact with manual, matching the cutter with expert system, building the data of the cutter location ( cl ) by account, finishing the optimising arrangement, creating the nc program for the numerical control system of the fms - ii of sheet metal by the post system, automatically processing the produce by the nc machine tool according to the cl, and then realizing the opening integration of the system of cad / cam system of the fms - ii for sheet metal, basing on pdm

    為了解決這些問題，需要重新開發fms -的cad cam系統，目標就是從基於pdm下的通用cad系統提供的圖形信息直接描述零件開始，人工交互方式輸入加工信息，由專家系統的推理機實現自動配模，經計算產生刀位文件，優化排料后，再針對鈑金fms -的數控系統，後置處理生成相應的數控加工程序，數控機床根據加工程序代碼自動完成加工，從而實現鈑金fms -的cad cam系統基於pdm下的開放集成。
  18. Recurring to resynchronization marker, data partitioning and rvlc, video files with errors are dealt with. the article codes and decodes video source files with errors, computing every algorithm ' s psnr, comparing video pictures " subjective and objective quality

    運用重同步標志（ resyncmarker ） 、數據分離（ datapartitioning ）和可逆變長編碼（ rvlc ）對含錯的視頻文件分別做錯誤處理。以mpeg - 4錯誤恢復方法對糟糕視頻源文件編碼、解碼，計算該演算法的psnr ，比較視頻幀的主客觀質量。
  19. Mtom implements out - of - core streamline construction with multithread technology. mtom can overlap cpu and i / o, and can process in parallel with multiple cpus. mmfm or mtom can make streamline visualization on large unstructured grids with less memory, and has more efficient performance

    方法mmfm將大規模數據文件映像成虛擬ram ，利用空間分塊組織數據，減少缺頁請求；方法mtom利用多線程技術實現out - of - core流線構造，重疊i / o與計算，適合併行處理。
  20. In this paper, the concepts, the historical background, the importance and current application of scientific computing and visualization of scientific computing are introduced and the visualization of computational detonation mechanics is specially expounded. based on the sumarization of the visualization software visc2d and visc3d directing at the mmic ( multi _ material in cell ), the key point of the improvement and the research contents are listed. based on the basic visualization reference model and the data file format of mmic, the file format of vector data is defined. the 2 - d data field visualization technology is described in detail. include the visualization of scalar field and vector field. the weak points of the visc2d software is overcome, and we propose the full - frame coloring mapping method and the visualization of the vector data using the clic ( coloring _ noise line integral convolution ). in addition, the method to draw and display shock wave by edge probing operator is introduced. in the design of the program, in order to overcome the shortcoming of visc2d with sdi ( single document interface ), the software vsv ( visualization of scalar and vector ) with mdi ( multi document interface ) is designed. compared with visc2d, the advantage of vsv includes : ( l ) vsv is a mdi applied software which can be used to view various kind of data, ( 2 ) vsv resolves the flash during displaying moving images which are produed by full - frame coloring method used to the visualization of scalar fields, and ( 3 ) vsv can be used to visualize vector field such as velocity. at last, the visualization of the output data from mmic in explosion and shock is realized by vsv

    首先簡要介紹了科學計算與科學計算可視化的概念、歷史背景、意義及應用現狀，重點說明了計算爆炸力學中的可視化問題，在總結多流體網格程序mmic的可視化軟體visc2d和visc3d的基礎上提出了改進要點和本文的研究內容。在介紹可視化基本參考模型和mmic程序的數據文件結構的基礎上，給出了矢量數據文件的結構，詳細闡述了二維數據場的可視化技術，包括標量場和矢量場的可視化，針對原visc2d軟體的不足，給出了改進方法，提出了全幀著色映射方法和用於矢量數據可視化的基於噪聲著色的線積分卷積方法，以及提出了利用邊緣檢測運算元提取和顯示沖擊波的方法。在程序設計上，針對原visc2d軟體只適用於單文檔窗口的缺點，本文利用多文檔mdi窗口，研製了標量場與矢量場的可視化軟體vsv （ visualizationofscalarandvector ） 。
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