顯式演算法 的英文怎麼說

中文拼音 [xiǎnshìyǎnsuàn]
顯式演算法 英文
explicit algorithm
  • : Ⅰ形容詞1 (明顯) apparent; obvious; noticeable; evident 2 (有名聲有權勢的) illustrious and inf...
  • : 名詞1 (樣式) type; style 2 (格式) pattern; form 3 (儀式; 典禮) ceremony; ritual 4 (自然科...
  • : 動詞1 (演變; 演化) develop; evolve 2 (發揮) deduce; elaborate 3 (依照程式練習或計算) drill;...
  • : Ⅰ動詞1 (計算數目) calculate; reckon; compute; figure 2 (計算進去) include; count 3 (謀劃;計...
  • : Ⅰ名詞1 (由國家制定或認可的行為規則的總稱) law 2 (方法; 方式) way; method; mode; means 3 (標...
  1. Simulation of penetration test of armoured plate is presented by explicit dynamics algorithm

    摘要採用動力學對裝甲材料侵徹試驗的過程進行數值模擬研究。
  2. This text summarises several control forms of gushing out oil pump test platform simply, and mainly proposes analog and digital control schemes of close ring adjusting speed, at the same time, gives the principles and implementation methods used in parameters control and measuring, this text introduces the asynchronous electromotor " s control process, in which, fuzzy control arithmetic is used, and the control commands are passed on by means of communication between mcu and frequency converter. there are two parts in this system. one is superior computer that is ordinary pc, the other is hypogynous at89c52. the functions of superior pc are control and display information through screen, and the functions of ats9c52 includes control, collecting, display, treatment, uploading of all parameters

    詳細介紹了應用模糊控制,以變頻器通訊方進行異步電機調速的控制過程。系統由上位機和下位機兩部分組成。上位機為普通pc機,主要實現系統控制、數據示等功能,另外還有數據庫瀏覽、數據列印等功能;下位機以at89c52為核心,負責所有參數的採集、處理、示、上傳、控制等。
  3. Our video post - processing algorithm can only convert several tipycal types of interlaced signals to de - interlaced signals. while the 21 types of video display formats must be achieved by video display module. in this dissertation. we provide the design method of video display module in detail based on the introduction of multiplicate video display formats. at the mean time, in order to improve image quality further, by analyzing and comparing a variety of currently popular image sealer methods. we provide a alternative way for selecting appropriate image sealer methods

    視頻后處理只針對幾種典型的輸入制進行隔行變逐行的轉換,而多達21種的視頻示格主要通過視頻示模塊來完成,因此,本文在介紹多種視頻示格的基礎上,詳細介紹了針對我們目前版本的視頻后處理晶元視頻示模塊的設計方,並且為了在視頻后處理晶元的后續版本中,進一步提高視頻示的質量,本文對圖像插值的方也進行了探索,通過比較和分析目前多種流行的圖像插值方,得到了后續版本圖像插值方選擇的方向。
  4. In the post - process, uses the microsoft medias technical to design cartoon display mode, it raises cartoon speed and saves disc space, it can produce majority prevailing medias form. in interpolation, introduced dsi method, which improve the interpolation method of isoline, raise algorithm speed and efficiency, satisfy the real - time quality request. on the basis of scanning line algorithm, use opengl smooth interpolate method to improve the implementati

    在後處理過程中,引進了dsi插值方,改進了以往等值線插值,提高了速度和效率,滿足了實時性要求,在掃描線的基礎上,引進了opm沁l插值方,改進了雲圖實現方,提高了圖形示精度,在動畫格上,我們可以根掘自己需要實現不同精度的不同壓縮格動畫文件,提高了后處理示應用場合,改變了以往動畫格單一的形
  5. In the hardware design, the paper completes modules ’ design like outside memory, patulous a / d, patulous d / a, rs232 communication, ecan communication, led control, keyboard control, distant control, emulation, reset, logic voltage switch, dsp supply power regulate and ac - dc power circuit, as well as room layout design like anterior panel, back panel etc. and dsp transfers data with peripheral equipments except outside memory using serial ports. besides, the whole circuit is configured in interrupt response. thus, it can meet system demand as well as take full advantage of tms320f2812 ’ s hardware resource. in the software design, the paper finishs programs like the interface programms intercommunicates with people, the distant control program, ad and da modules ’ control program, in addition, the paper select the velocity and acceleration state - feedback algorithm and is written in the program. the software design uses dsp integrate exploiting environment named ccs2. 2 of ti inc. as software instrument, and programs with the combination of c language and assembly language. moreover, in order to maintenance or modify the software expediently and shorten software ’ s exploitation time, the design adopt software modularization technique. finally, some air cylinder experiments are carried out to proved that the pneumatic controller is very practical

    在硬體設計中,本文完成了片外存儲器擴展、 a / d擴展、 d / a擴展、 rs232通信介面、 ecan通信總線介面、液晶示控制、鍵盤控制、遠程控制、模擬、復位、邏輯電平轉換、 dsp工作電源校正電路和ac - dc電源等模塊設計以及控制器前面板、後面板等的空間布局設計。其中dsp與除外部存儲器的外圍設備之間的數據傳送全部採用串口通信,同時系統電路配置成中斷響應方,這樣既滿足了系統要求,又充分利用了tms320f2812的硬體資源。在軟體設計中,本文完成了人機界面功能模塊、遠程控制模塊、 ad擴展模塊、 da擴展模塊、速度和加速度狀態反饋的控制的程序設計。
  6. The section plane display algorithm is studied in the thesis, and the interaction section and curve section display is achieved, which can provide the aids for observation and analysis of organs. also, it is very helpful for the dose distribution analysis

    本文研究了示任意剖面的原理,並實現了互動的任意剖面示和曲線剖面示,這不僅能為器官的觀察、分析提供幫助,同時能為在組織器官受到射線照射后定量、定位地分析劑量分佈提供很好的手段。
  7. Experimental results show the obvious advantage and robustness of our methods. in this thesis, we study the algorithm of holographic stereogram display that can be implemented using cgh. we discuss the imaging process through capturing sequence parallax images, illuminating hologram by a plane wave creates the volume effect in the observer ' s eyes

    對基於計機的三維全息成像中的光柵編、解碼理論進行了研究,在此基礎上,將小波變換方應用到全息示中,建立新的變換模下的光柵編、解碼,計中採用小波包分解方,使全息條紋的計更加快速、便捷。
  8. The content including : ( 1 ) combined with the powerful matrix operation function and the abundant function computation of matlab, a load flow program is developed. due to the deeply research of admittance matrix, jacobian matrix and correction matrix, this program has a great advantage at both speed and code

    其主要內容如下: ( 1 )結合matlab軟體強大的矩陣運功能和豐富的函數計功能,對潮流中導納矩陣、雅可比矩陣以及修正方程求解的實現方進行了深入研究,開發出一種速度和代碼量都具有明優勢的潮流程序。
  9. This article canvass the status quo of the archive ' s automatization administration and the develop status of data mining, and discusses how to combine the data mining technology with the archive work from data cleaning means, data mining arithmetic, and data storage etc. and this article put forword a data mining syst em design idea. this article ' s structure is : first, in allusion to the archive data status quo, the pretreatment work of archive data that include data quality evaluation, data cleaning and data commut - ation process is bringed forword ; second, in the process of realizating data mining, the article discusses conception description, association rule, class three familiar means of applicating data mining, also put inforword the concrete arithmetic and the program design chart, and discusses the range and the foreground of all kinds of arithmetic when they are applicated in the archive ; third, the base of so you say, this article also discusses the importance of the archice applicate data storage and the means of realizing it ; last, the article discusses seval important problem of realizing an archive data mining system from data, diversity, arithmetic multiformity, mining result variety and the data pretreatment visibility, mining object descriptive visibility, mining process visibility, mining result visibil ity, user demand description and problem defining etc aspect. the article ' s core is how to import data mining technology in the archive work

    本文評述了檔案自動化管理現狀和數據挖掘技術的發展狀況,從數據清洗方、數據挖掘、數據倉庫的建立等方面論述了如何將數據挖掘技術與檔案工作相結合的具體思路,並提出了一個數據挖掘系統的設計思想。文章首先,針對檔案數據的現狀,提出了應對檔案數據進行預處理工作,包括數據質量評估、數據清理、數據變換和歸約等過程;其次,在具體實現數據挖掘過程中,本文結合檔案數據的特點探討了概念描述、關聯規則、分類等三種常見挖掘形的實現方,提出了具體的實現和程序設計框圖,並論述了各種在檔案工作中的應用范圍及前景;第三,在上述基礎上,又論述數據倉庫在檔案數據挖掘中的重要性並提出了實現一個檔案數據倉庫的方;最後,從處理數據的多樣性、的多樣性、挖掘結果的多樣性、數據預處理可視化、挖掘對象描述的可視化、挖掘過程可視化、結果示可視化、用戶需求的描述及問題定義等幾方面討論了實現一個檔案數據挖掘系統的幾個重點問題。全文以探討如何將數據挖掘技術引入到具體的檔案工作實踐中為核心。
  10. As an example, the implementation of the laplace equation with the gridless method has been presented at first and the resulting large scale matrix equations are solved by gmres algorithm. the numerical simulations of the flows over a cylinder are tested successfully with clouds of different scales, which shows the " cloud " effects on the computational accuracy

    本文先以代表定常不可壓位勢繞流的laplace方程為例,研究了laplace方程的無網格離散形,並運用gmres高效對其快速求解,數值模擬了典型的圓柱繞流;並通過不同點雲尺度的數值模擬,示出點雲尺度對計精度的影響。
  11. Abstract : an algorithm is presented for better legal solution in detailed placement of large scale mixed macros and standard cells ic design. due to the limitation of computing complexity, an effective and efficient initial placement is very important for detailed placement. novelty of this algorithm lies in a better solution at initial stage by using network - flow method to satisfy row capacity constraint and the thought of linear placement problem ( lpp ) to resolve overlaps. moreover, divide - and - conquer strategy and other simplified methods are adopted to minimize complexity. experimental results show that the algorithm can get an average of 16 wire length improvement on paflo in reasonable cpu time

    文摘:以大規模混合模布局問題為背景,提出了有效的初始詳細布局.在大規模混合模布局問題中,由於受到計復雜性的限制,有效的初始布局得非常重要.該採用網路流方來滿足行容量約束,採用線性布局策略解決單元重疊問題.同時,為解決大規模設計問題,整體上採用分治策略和簡化策略,有效地控制問題的規模,以時間開銷的少量增加換取線長的明改善.實驗結果表明該能夠取得比較好的效果,平均比paflo有16的線長改善,而cpu計時間只有少量增加
  12. ( 3 ) the paper firstly brings forward the concepts of concealed fragment, apparent fragment. it also advances two fragment generation methods : facet equivalence method and facet set enclosing method, and realizes three practical algorithms : the first one is to make a virtual entity particulate, the second is facet equivalence algorithm, the last is seed facet set enclosing algorithm. the paper analyzes and compares the last two methods and related algorithms, researches on applying the two methods to the break process of a virtual entity

    ( 3 )在深入探討爆炸模型的構造和實時示的基礎上,提出了隱破片、破片的最新概念和兩種生成破片的方:小面片等價和面片集封閉,並給出了三個實用的:虛擬實體的微粒化、小面片等價和面片集封閉,並對小面片等價和面片集封閉及其進行了比較。
  13. In this text, we first do some research on the genetic algorithm about clustering, discuss about the way of coding and the construction of fitness function, analyze the influence that different genetic manipulation do to the effect of cluster algorithm. then analyze and research on the way that select the initial value in the k - means algorithm, we propose a mix clustering algorithm to improve the k - means algorithm by using genetic algorithm. first we use k - learning genetic algorithm to identify the number of the clusters, then use the clustering result of the genetic clustering algorithm as the initial cluster center of k - means clustering. these two steps are finished based on small database which equably sampling from the whole database, now we have known the number of the clusters and initial cluster center, finally we use k - means algorithm to finish the clustering on the whole database. because genetic algorithm search for the best solution by simulating the process of evolution, the most distinct trait of the algorithm is connotative parallelism and the ability to take advantage of the global information, so the algorithm take on strong steadiness, avoid getting into the local

    本文首先對聚類分析的遺傳進行了研究,討論了聚類問題的編碼方和適應度函數的構造方案與計,分析了不同遺傳操作對聚類的性能和聚類效果的影響意義。然後對k - means中初值的選取方進行了分析和研究,提出了一種基於遺傳的k - means聚類改進(混合聚類) ,在基於均勻采樣的小樣本集上用k值學習遺傳確定聚類數k ,用遺傳聚類的聚類結果作為k - means聚類的初始聚類中心,最後在已知初始聚類數和初始聚類中心的情況下用k - means對完整數據集進行聚類。由於遺傳是一種通過模擬自然進化過程搜索最優解的方,其著特點是隱含并行性和對全局信息的有效利用的能力,所以新的改進具有較強的穩健性,可避免陷入局部最優,大大提高聚類效果。
  14. The main studies are as follows : ( 1 ) the hamiltonian mechanics and equations are deduced from the lagrange mechanics. the symplectic quality of the hamiltonian system is discussed. the formulations of the symplectic integrator method are constructed, especially the explicit symplectic schemes for the separable hamiltonian system and the symplectic partitioned runge - kutta ( prk ) method for the generic hamiltonian system

    本文對該方進行了初步的研究和計應用,具體展開了以下幾方面的工作: ( 1 )從lagrange力學出發引入hamilton力學和hamilton正則方程的概念,討論了hamilton系統的辛性質,給出了構造辛的基本原理,並重點介紹了線性可分hamilton系統的辛格和一般hamilton系統的辛prk方
  15. A finite element model describing the drawing process of the heat - shield panel of automobile engine is established by using the commercial dynamic explicit code ls - dyna

    摘要使用基於動態顯式演算法的商業軟體ls - dyna建立了某汽車發動機隔熱罩拉延成形的有限元模型,通過所建立的有限元模型分析了壓邊力對拉延成形的影響。
  16. Experimental results manifest that the incremental algorithm in this paper is rather faster than the well - known godin ? algorithm

    實驗結果表明,本文漸進的時間性能要明優于著名的godin
  17. A modified genetic algorithm ( mga ) framework was developed and applied to the flowshop sequencing problems with objective of minimizing mean total flowtime. to improve the general genetic algorithm routine, two operations were introduced into the framework. firstly, the worst points were filtered off in each generation and replaced with the best individuals found in previous generations ; secondly, the most promising individual was selectively cultivating if a certain number of recent generations have not been improved yet. under conditions of flowshop machine, the initial population generation and crossover function can also be improved when the mga framework is implemented. computational experiments with random samples show that the mga is superior to general genetic algorithm in performance and comparable to special - purpose heuristic algorithms. the mga framework can also be easily extended to other optimizations even though it will be implemented differently in detail

    提出了一個改進遺傳的結構,並且應用於帶有目標是最小平均總流程時間的流水調度排序中.為了改進一般遺傳的程序,兩個新的操作被引進到這個操作中.這兩個操作為: 1 )過濾操作:過濾掉在每一代中的最壞的個體,用前一代中的最好的個體替代它; 2 )培育操作:當在一定代數內不改進時,選擇一個培育操作用於培育最有希望的個體.通過大量的隨機產生的問題的例子的計機實驗示出,提出的的性能明好於一般遺傳,並且和此問題的最好的專門意義的啟發相匹配.新的mga框架很容易擴展到其它最優化當中,只是實施的詳細的步驟有所不同
  18. Study on virtual punch velocity in simulation of sheet metal forming by explicit method

    薄板成形模擬動力顯式演算法的虛擬凸模速度分析
  19. Abstract : in order to process signal in depth and to extract the fault feature from original signal in machinery diagnosis , the graphical display algorithm that can keep the data length of wavelet transform results the same as that of original signal is used. the fault diagnosis of a bend axial piston pump via b - spline wavelet that has linear phase is provided. the results of study demonstrate that the new method has excellent feature and the weak fault signal can be extracted from the strong vibration background of the pump

    文摘:採用具有線性相位的b樣條小波,應用圖形並結合小波變換快速將信號分解到不同的頻帶上,且分解結果和原信號長度保持一致,可對信號進行深層次的處理,克服了傳統的信號處理方不易提取微弱信息的不足.通過對礦用斜軸柱塞泵振動信號的分析,分離出了配流副磨損、球鉸松動、缸體及泵軸支撐軸承的故障特徵,為液壓泵的故障診斷提供了依據,並為信噪分離、微弱信號提取及設備的早期故障診斷提供了一條有效途徑
  20. This heuristic, improved attribute reduction algorithm, based on the hu ' s algorithm and jelonek ' s algorithm, can guarantee a reduction compared with the hu ' s algorithm, and on the other hand, has better efficiency as far as time is concerned compared with the jelonek ' s algorithm

    是一種啟發,建立在可辨識矩陣計基礎上。改進基於hu的與jelonek,在計可辨識矩陣的基礎上,保證最終能夠找到決策信息系統的一個約簡,同時較jelonek相比,運時間明減少。
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