discrete data 中文意思是什麼

discrete data 解釋
不連續數據
  • discrete : adj. 1. 分離的,分立的;顯然有別的。2. 不連續的;【數學】離散的;【哲學】抽象的 (opp. concrete)。adv. -ly
  • data : n 1 資料,材料〈此詞系 datum 的復數。但 datum 罕用,一般即以 data 作為集合詞,在口語中往往用單數...
  1. Categorical data in its broadest sense is simply a collection of values of discrete variable obtained from a sample of individuals of objects.

    范疇數據在廣義上就是一批得自於個體或對像樣本的離散變量值。
  2. Method of deal with data error by subsection curve fitting and discrete degree

    分段曲線擬合與離散度加權的數據誤差處理方法
  3. Discrete data are expressed in whole numbers: 2 children, 56 trucks, 5 actors.

    間斷資料用整數表示,如2個孩子,56輛汽車,5名演員等。
  4. Engine parameter acquisition display system is an important member of helicopter seat room display system, and is made of engine parameter acquisition unit ( epu ) and engine parameter display ( epd ). epu is joined with engine electronic controller, fuel manage system, engine and accumulator by the wire. it acquire the parameter of engine, for example, analog signals, frequency signals and discrete signals, etc. then data processing, compare data and operation is executed

    發動機參數採集器通過硬連線與發動機電子控制器、燃油管理系統、發動機及蓄電池相連,採集模擬量、頻率量及離散量信號等參數,並對採集的數據進行運算、比較與處理,最後通過標準rs ? 422a串口和發動機參數顯示器及其它設備進行通訊。
  5. 2. a frequency extrapolation scheme is developed to effectively predict radar cross section using floating genetic algorithm based on the geometrical theory of diffraction ( gtd ) model. the threshold discrete fourier transform ( tdft ) is introduced for the data compression in angle domain

    在目標散射中心建模方面,我們將浮點型遺傳演算法( fga )應用於實際人工目標的gtd模型參數的抽取,利用所抽取的模型參數完成了雷達散射截面rcs的頻率擴展以及數據壓縮,並利用擴展的數據提高了距離解析度。
  6. Estimating maximum codeword lengths of discrete data compressing

    離散數據壓縮的最大字長估計
  7. Secondly, based on nurbs curves approximation algorithm, a nurbs surface approximation algorithm on discrete data sets is given. thirdly, a shape - preserving parametric surface interpolation to data set is given

    2基於所給的nurbs曲線的逼近演算法,建立了帶插值條件的離散點集的nurbs曲面的逼近演算法。
  8. The nurbs curves and surfaces approximation to constrained data sets is discussed in this dissertation. the major works are as follows : firstly, based on simulated annealing algorithm and least square principle, a nurbs curves approximation algorithm to constrained discrete data sets is presented

    本文討論了帶約束的離散點集的nurbs曲線、曲面的逼近問題,主要工作如下: 1基於模擬退火演算法和最小二乘法,給出了帶插值條件的離散點集的nurbs曲線逼近的演算法。
  9. We obtained the uniform data distribution from discrete data points by inserting spatial dots and then set up digital elevation model ( dem ) of correlative area through constructing mutual linked triangle net. the isoline graph was implemented based on this model. during the processes, we combined the technology of stratification computing when inserting special dots in fault area with the technology of stratification triangle net in fault area for dealing with thrust data

    然後介紹了在本研究中構造逆斷層地質等值線的基本思路:從離散數據點結構出發,採用空間數據內插方法進行數據的均勻化,通過三角剖分構造出相互連接的三角形網路結構來建立起相關區域內的數字高程模型,利用該模型構造出相應的地質等值線圖,其中使用擴展點與斷層區的關系屬性進行斷層區分層空間插值計算處理和斷層區域的分層三角形網格化處理相結合的技術,實現逆斷層數據的處理和等值線繪制。
  10. An effective contour generating method for discrete data

    一種有效的離散數據場等值線生成方法
  11. This process is as follows : firstly, the data of different section contour and of section line have been obtained by reverse - engineering ; secondly, non - uniform b - spline approximation algorithm is used to fit the discrete data ; then the data have been optimized and reduced by adopting adaptive sampling of key points of the fitted curve based on vertical distance, sequently the adaptive sampling data is transformed into the format of the. ibl file of the famous 3 - d design software pro / e. therefore we reconstruct the surface and a model is generated ; lastly, the effectiveness of the adopted algorithm and modeling approach are demonstrated by the experiments

    建模型的過程中,首先運用逆向工程測量方法,獲得曲面物體上不同截面輪廓線的測量數據點列,接著對測量數據點進行平滑處理,用最小二乘法求解基於數據點列的控制多邊形,以非均勻三次b樣條曲線擬合截面輪廓曲線;然後利用基於垂距的數據采樣演算法,對擬合曲線上的數據點進行重新采樣,達到優化數據點的分佈及減少描述曲線數據量的目的。
  12. In chapter two and chapter three, this paper discusses the tracking and building of isolines from two aspect, regular grid data and random discrete data

    文中第二章和第三章從規則格網數據和任意離散點數據兩個方面討論了等值線的追蹤與生成。
  13. In addition, for regular grid data it presents an effective algorithm for some particularity that there are four isopoints in one grid cell and for random discrete data points it lays emphasis on triangulation. this paper firstly put forward three principles : attribute principle of adjoining isolines, attribute principle of isoregions and inclusion principle of ioslines after studying the character of isolines. the bivalue - topology algorithm based on boundary tracking is given, which is founded on the three principle and is used to fill isoregions

    另外,在這兩部分中除了對邊信息鏈表的形成過程以及基於邊信息鏈表的等值線生成做了詳細討論外,還對規則格網數據的等值線追蹤中,一個網格單元上含四個等值點的特殊情形給出了一個比較有效的演算法,並在任意離散點數據部分對平面點集的三角剖分進行了著重討論。
  14. Associating with the research and development of national natural heavy concentrate system, considering the feature of natural heavy concentrate database separately stored in every province, which is of mass data, discrete, irregular distribution, and influenced by hardware factors, such as computer configuration and network transfer speed, distributive database and parallel computing philosophy is applied, zone partition and multi - threading queue method is employed to retrieve and process the discrete data within a certain polygonal zone

    結合全國自然重砂系統研製,針對分散存放在全國各省的自然重砂數據庫,數據海量、離散、分佈無規律、受計算機配置、網路速度等硬體因素影響的情況下,應用分散式數據庫及并行運算理念,採用區域分片及多線程隊列方法對某個多邊形區域內的離散數據進行檢索與處理。
  15. Secondly, on the basis of the discrete data and smooth feature of the surface of the radome, the inner surface is reconstructed by the bicubic uniform b - spline surface approximating means with least square method. finally, a tool - path planning method is presented, which is a combination of the constant scallop - height method with the isoparametric method

    在分析目前最為成熟的結構化和面向對象軟體工程方法的基礎上,應用結構化和面向對象方法相結合的思想,實現了天線罩測量和磨削的軟體系統的分析、設計和開發。
  16. Therefore, some algorithms of quintic spline interpolation are first developed or improved, tested and evaluated. the algorithm of local quintic spline interpolation ( qa3 ) and quintic b - spline interpolation ( qa4 ) therein are very propitious to curve fitting of discrete data points and to nc programming of freeform curves and surfaces

    因此,完善、推導和開發了多種五次樣條插值演算法,並對其進行了測試和評價,認為:五次多項式樣條局部插值演算法qa3和五次b樣條插值演算法qa4非常適合於離散數據的曲線擬合和曲線曲面的nc編程。
  17. Based on the mathematical definition and physical meaning, a fast effective method was studied to calculate mathematical inflection point using computer, and a algorithms was proposed to calculate the mathematical inflection point of discrete data using non - fitting curve way

    在數學定義及物理意義的基礎上,研究了利用計算機來計算數學拐點的一種快速有效的方法,提出了對于離散數據以非擬合曲線的方式計算拐點的演算法。
  18. Furthermore, this thesis has studied the characteristics of ballistic trajectory data of fuze system, and has developed the program for preconditioning the data in the process of the simulation, which is based on the least square method programming with visual c + + 5. 0 and has enhanced the feasibility of this system. this study is done on account of the fact that the discrete data can not be accepted by the simulation software - working model, which must be turned into successive function

    另外,在利用workingmodel對引信系統進行運動學和動力學模擬時,需要輸入現場試驗測得的數據,而這些離散的試驗數據,必須進行計算和前處理(函數化) ,才可以應用於模擬,本文就此問題深入研究了引信系統的彈道數據的特點,並基於visualc + + 5
  19. Principal component analysis applied in the discrete data of sustainable innovation ability on enterprises

    主成分分析在企業可持續創新能力的離散數據中的應用
  20. In the paper, simulative tl three - dimensional spectrum is firstly created according to space discrete data points through visual c + + language

    本文採用visualc + +編程技術,根據空間離散數據點,在國內首次完成了模擬的熱釋光三維譜圖的構建
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