離散變數 的英文怎麼說

中文拼音 [lísǎnbiànshǔ]
離散變數 英文
discrete variable
  • 離 : Ⅰ動詞1 （離開） leave; part from; be away from; separate 2 （背離） go against 3 （缺少） dispens...
  • 散 : 散動詞1. （由聚集而分離） break up; disperse 2. （散布） distribute; disseminate; give out 3. （排除） dispel; let out
  • 數 : 數副詞（屢次） frequently; repeatedly
  • 離散 : dispersed; scattered about; separated from one another; spread; debunching; straggling; fringing;...
  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. The experimental results show that the small targets submerged by the large ones can be detected effectively, and better accuracy and shorter computation can be obtained by using the modified rwt than radon - wigner transform

    本章首先分析了基於離散多項式變換（ discretepolynomial - phasetransform ， dpt ）參數估計的原理，並將dpt應用於多目標分辨中。
  3. Lagrange multiplicator method is introduced in the numerical computation to release the constraint. galerkin method based on the variation principle is used to solve differential and integral equations

    Galerkin方法是基於變分原理基礎上的一種把微分方程或積分方程轉化為等價的變分方程，通過離散變分方程求原方程數值解的方法。
  4. Firstly, by means of the intractability of discrete logarithm problem, a threshold secret sharing scheme with periodic renewing to identify cheaters is established. shares are periodically renewed without changing the secret. every participant is able to verify the share he receives and those other participants show

    首先，利用離散對數問題的難解性，給出了一個定期更新防欺詐的門限秘密共享方案，它在保持共享秘密不變的情況下定期對子秘密進行更新，每個參與者可以對自己的子秘密及其他成員出示的子秘密進行驗證，不但能有效阻止敵手竊取秘密或子秘密，也能有效地防止內部成員之間的互相欺詐。
  5. 2. considering the characteristics of topology optimization of structures with discrete variables, a mathematics model of topology optimization of structures with discrete variables, including sectional variables and topology variables, with the aim of getting the minimum weight of the structures, is built up in this paper. this paper develops a from easy to difficult structure stability analysis mechanism, which

    2 .論文針對離散變量結構拓撲優化的特性，建立了包含截面設計變量和拓撲設計變量，以結構重量最小化為目標的離散變量結構拓撲優化數學模型，採用了由易到難的結構機動性分析機制，大大減少了結構重分析次數。
  6. Finally, we convert this optimal problem to a nonlinear parameter optimization problem by collocation method. these studies examine the collocation method in case of equally or non - equally spaced division points, and in case of different numbers of nodes

    本文採用直接搜索法和節點配置，將連續動態最優控制問題轉換為靜態離散的數值優化問題，並對狀態和控制變量的約束進行轉化。
  7. Moreover, fibonacci design method was used for structural optimum design with discrete variables

    利用斐波那契數列的規律，提出了離散變量結構優化設計的斐波那契演算法。
  8. This paper establishes the fem model of the steel structural frame of mechanical parking equipment and conduct optimization of the frame ' s discrete variables by using genetic algorithm

    摘要建立了機械式立體停車庫鋼結構骨架有限元分析模型，並應用遺傳演算法對結構進行了離散變數優化設計。
  9. The numerical solutions show the integer - coded ga is effective. when number of the discrete value between representation for binary coding and in discrete list ca n ' t be corresponded by one - to - one, integer coding is predominant, and better solutions are achieved under the same parameters. in chapter 5, ga is applied to configuration optimization of truss with mixed variables and topology optimization of truss with singularity

    通過算例表明，整數編碼的遺傳演算法是有效的，而且在二進制編碼所能表示的離散值個數與變量的可選離散值數目不能一一對應大連理工大學博士學位論文一時，整數編碼顯示了它的優勢，在相同的控制參數下，能夠得到比二進制編碼更優的結果。
  10. The data processing system further includes a discrete transforming means for performing a discrete transform on the input data at the first sampled frequency for trans forming the input data to a discrete function in a second - variable - domain at the first sampling frequency

    此資料處理系統也包含一個離散轉換裝置，用來對以第一個取樣頻率所取樣的輸入資料作離散轉換，也就是將輸入資料轉換成以第二個取樣頻率為頻率及第二個變數為定義領域的離散函數。
  11. The data processing system further includes a convoluted inverse transforming means for inversely transforming the discrete function in a second - variable - domain back to the time domain at a second sampling frequency for converting t he input data to a set corresponding data sampled at the second sampling frequency

    此資料處理系統也包含一個旋積的逆轉換裝置，用來對以第二個變數為定義領域的離散函數，逆轉換回以第二個取樣頻率為頻率及以時間為定義領域的函數，也就是將資料轉換成以第二個取樣頻率所取樣的資料。
  12. The main researches are the following : on the basis of. in - depth understanding of space - time concepts and change types, analyzing existing temporal conceptual models, a event - based temporal model and a process - based temporal model have been developed. combining the two temporal models with field - based spatial model and object - based spatial model directly leads to four spatiotemporal conceptual models, which are field - event spatiotemporal conceptual model, field - process spatiotemporal conceptual model, object - event spatiotemporal conceptual model, and object - process spatiotemporal conceptual model

    在討論了各種時空變化類型后，論文對已有時間概念模型進行了分析，提出時空數據建模的基本目標是表達時空變化，並就此提出根據表達離散變化和連續變化的需要，時間概念模型可分為基於事件和基於過程的模型，並結合基於場的和基於對象的空間概念模型，提出時空概念模型可劃分為四種：場事件時空概念模型，場過程時空概念模型，對象事件時空概念模型，對象過程時空概念模型。
  13. In the air combat simulation, since the system runs in the way of time frame cycle, the flying locus of the weapon, such as missile, changes as a dispersing function, and its movement is much faster than the target ( moving or static ) comparatively, so some errors emerge when the collision test is calculated between the weapon and the target

    摘要空戰模擬中，由於模擬系統採用時間幀周期方法調控系統的解算，致使導彈等武器的飛行彈道呈離散函數變化，而導彈等武器的飛行相對于靶標（運動或靜止）是一個快速運動，這樣，武器與靶標的碰撞解算就會引出很多誤差問題。
  14. As the interpreted variable we studied was dispersed variable, and was the most important type of technological service that farmers selected from a variety of technological services, the multiple logit model was adopted to estimate the determinants of the farmers " demand for technological services

    由於我們研究的被解釋變量是離散變量，而且是農戶從多種技術服務中選出一種其認為最重要的技術服務類型，所以我們採用一般多元logit （ mutilplelogit ）模型對農戶的技術服務需求行為進行參數估計。
  15. The discrete variational method ( dvm ) for clusters ( dft in real space ) is described in detail. the basis functions, numerical grids utilized and potential are discussed

    重點介紹離散變分方法（ dvm ） ，討論基函數的構成、離散點的分佈、勢的構造。
  16. Optimization design for spatial truss structure of concrete filled steel tube is studied in this dissertation. on the basis of theory of structural optimum design and behavior of poles in structure of concrete filled steel tube, the optimization mode is built, and programming of static calculation for truss structure and optimization algorithm with discrete variables is developed by using language of fortran

    本文針對鋼管混凝土空間桁架結構的優化設計問題進行了初步研究，根據鋼管混凝土結構中桿件的受力特點，結合優化設計理論，建立了鋼管混凝土空間桁架結構的數學模型，運用fortran語言編制了桿系結構靜力計算程序和基於離散變量的優化演算法程序。
  17. The physical and mathematical models are founded. numerical simulation of marangoni convection in the liquid bridge and gas channel was performed by employing the primitive variable method and using galerkin finite element method, which is applied for discretization of non - dimensional governing equations and boundary conditions. the relationship between the suppressing status of mc in the liquid bridge and the inlet gas velocity or the channel width is obtained, and the suppressing status of some kinds of marangoni numbers ( ma ) or size ratios of liquid bridge a is analyzed

    採用原始變量法，用galerkin有限單元法對無量綱控制方程及邊界條件進行離散后，數值模擬了微重力條件下半浮區硅熔體及氣體流道內的marangoni對流，得出了無量綱氣流沖刷速度及流道寬度變化和熔體內熱毛細對流抑製程度的關系，進而分析了不同的無量綱參數ma數和不同熔體幾何尺寸比a下熱毛細對流抑制情況。
  18. Though the two new methods can improve the effect of edge detection, they need the gabor and wavelet transforms which make the computation complex and cost much time and are not easy to used in real - time application. this paper presents an efficient fast approach to compute real discrete gabor coefficients by applying the fht ( fast hartley transform ) in gabor transform, also the fft ( fast fourier transform ) is proposed to used in compute the wavelet coefficients

    雖然gabor和小波的引入能提高邊緣檢測的效果，但往往因其計算的復雜性而受到限制，本文提出了一種有效的離散gabor變換演算法來計算有限離散實數信號的gabor系數，同時，也給出了基於fft的小波變換快速演算法，為理論的快速實現提供了可能性。
  19. Implementation of fast algorithm of discrete fractional fourier transform on dsp

    離散分數階傅里葉變換快速演算法的dsp詳細實現
  20. In sizing optimization of truss with discrete variables, integer coding is used and compared with binary coding

    對離散變量的桁架尺寸優化問題，本文首次採用整數編碼，並且與二進制編碼進行了比較。
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