離散性數據 的英文怎麼說

中文拼音 [lísǎnxìngshǔjù]
離散性數據 英文
discrete data
  • 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
  • 性 : Ⅰ名詞1 （性格） nature; character; disposition 2 （性能; 性質） property; quality 3 （性別） sex ...
  • 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...
  • 離散 : dispersed; scattered about; separated from one another; spread; debunching; straggling; fringing;...
  • 數據 : data; record; information
  1. Output can be obtain, next we use our designed the wavelet soft threshold to select result of the wavelet transform, finally, we give the selected result reversal wavelet transform. it is obvious : the wavelet soft threshold is important to improve the quality of the gray image processing. i give the donoho wavelet soft threshold a modified value method, which has a relation with ratio of signal - noise. i made full use of discrete hop field single feedback neural network, and nonlinear steady of automatic system at last, i obtained a steady limited ring, give the energy function an order differential a optimal

    我的思路是：改造現有圖形結構，先建立能反映信噪比大小且含待定參數k的表達式，然後通過離散型h0pfi舊單層反饋神經網路，再結合前邊的混合濾波器構成一個非線性控制系統，寫出對應的網路函數，利用相平面法和李雅普諾大穩定性的判據，得到一個穩定的極限環，從而確定出參數卜的范圍，進而再對原來的小波軟閾值進行修正，用修正後的值作為小波閾值。
  2. Shortwave channel is time varying transmission channel. it has dispersion in frequency and time domains. this characteristics hinds the data transmi - ssion at high speed and the correction of received data. in this dissertation i have analyzed the statistic characteristic of shortwa - ve channel, established the model of shortwave channel and simulated the rayl eigh fading distribution. the technology of spreading spetrum has been proved that it has the capability for anti - multipath and discerning multipath

    在短波通信中，由於通道的時間色散和頻率色散，引起多徑展寬和多徑衰落，前者限制了數據的傳輸速率，後者造成短波數據通信中出現突發錯誤，為了解決多徑效應對短波通信的影響，本文所做工作如下：首先詳細分析了短波通道的統計特性，建立其數學模型；其次分析了擴頻通信的特點，從理論上證明擴頻技術不僅具有抗多徑干擾能力，而且具有分離多徑的能力；介紹了傳統的rake分集合併技術的特點。
  3. The discussion of main parallel technologies on construction of parallel sliq algorithm is presented in this paper. the computing result of algorithm complexity of sequential and parallel algorithm indicates : when the data set is large enough, as to continuous attributes, the parallel algorithm almost get speedup value equal to the number of processors ， while as to categorical attribute the improvement of parallel algorithm is limited

    通過對串列和并行演算法時間復雜度的計算表明，當數據集充分大時，由於連續屬性的排序計算操作分散到各個處理機單元上進行，顯著降低了計算時間，從而可以得到近似於處理機個數的加速比，對于離散屬性，本并行演算法對串列演算法的性能提高有限
  4. After completing the mctf using db2 wavelet, it is well integrated with discrete wavelet transform ( dwt ) and embedded zero tree wavelet. it uses atom structure to organize the coded bit - stream to achieve the brilliant combination of three scalabilities : temporal, spatial and psnr scalabilities. and the software platform is based on vc + + 6. 0

    在基於db2小波的運動補償時域濾波方法實現之後，本文將之和離散小波變換（ dwt ） 、嵌入式零樹編碼進行有機結合，並採用基於基本原子粒的數據流組織結構將分層后的數據流有效地組織起來，實現了具有時間、空間、質量三方面的完整可伸縮性的編解碼系統，系統的軟體平臺基於vc + + 6 . 0實現。
  5. With analyzing of the case study and based on simulating and analyzing quantitatively, this article, considering the goal of the performance - based fire - protection design is protecting occupants from being injured and keeping buildings from being damaged, thought that fire compartmentation of a large building of saling books can be divided according to their saling malls and fire compartmentation in the saling mall can be separated by the fire - proof screen. on the evacuation design, the quantity of safety exits around these buildings and the evacuation width should be increased if possible and the safety exit number, exit width and evacuation distance can be determined according to the simulating results on smoke layer temperature and height, concentration of co2 and co, occupants evacuation time and visibility. on the means of preventing and discharging smoke, the most proper measure should be determined according to their geometrical characteristics and the natural means of discharging smoke is feasible to the large building of saling books. based on analyzing of smoke

    通過對案例分析研究，本文認為大型書城建築性能化防火設計研究的最終目的是保證人員生命安全和保證建築結構安全，在模擬計算和量化分析的基礎上，大型書城的防火分區可以將中庭連通的書城區域劃分為一個區，在書城場地內可以採用防火卷簾進行防火分區劃分;在人員疏散設計中，應盡可能利用書城賣場的空間設計較多的安全出口和增大疏散寬度，其安全出口數量、寬度和疏散距離可以根據人員安全疏散時間和煙氣溫度、沉降高度、 co2濃度、 co濃度、能見度模擬計算結果驗證確定;在防排煙方式的選擇上，應當根據建築物的幾何特點選取最適宜的措施，就大型書城建築而言，採用自然排煙的方式是可行的。
  6. A stereo matching approach based on edge feature is proposed. the procedure of the correspondence is fulfilled through the edge - detection, the similarity check and the consistence check. rebuild 3d image for disperse data and achieve depth information

    提出基於邊緣特徵的立體匹配方法，通過邊緣檢測、相似性檢驗和相容性檢驗完成了匹配的全過程，並對得到的離散數據進行了三維重建，恢復深度信息。
  7. This paper mainly analyzes control delay at urban signalized intersections. based on the survey data, this paper talks about vehicles movement characteristics of arrival and depart process, then the queueing headway distribution is obtained, and the suggestion that saturated flow should be measured from the sixth queuing vehicle is offered. using random process theory analysis and computer simulation, the queuing length distribution model is obtained

    本論文針對平面信號控制交叉口的延誤問題進行了分析，在實測數據分析的基礎上，探討了車輛到達過程和離開過程的運行特性，給出信號交叉口排隊離散車頭時距分佈模型，提出飽和流率的測量應從第六個離開的排隊車輛算起；運用隨機過程理論和計算機模擬的方法得到了信號交叉口排隊長度分佈模型，在此基礎上運用協調變換的方法改進了車輛延誤模型。
  8. Dispersion refers to the spread of the data, that is the extent to which the observations are scattered.

    離散性是指數據的分散程度，即觀察值散布的范圍。
  9. It has shown by the uncertainty of the data of fatigue experimentation and the size deviation of machine accessory and structure component and the original defect of materials that all of the stress and intensity and the factors that affect them are stochastic variables, so we should deal with the problem of fatigue by the method of probability and statistics to making the engineering life deduced by fatigue intensity to be the reliable life under a certain probability

    疲勞試驗數據的離散性，零件和構件加工允許的尺寸偏差，材料中分佈的原始缺陷，以及受載零件危險部位應力響應的分佈特性等，都說明應力和強度以及影響它們的因素都是隨機變量，它們有各自的分佈形式，應該用概率統計理論和方法來處理，才能使疲勞強度在工程中所確定的壽命，成為保證某一概率下的可靠壽命。
  10. Firstly, the domestic researches, which have been reported, are introduced. then the characteristic of the system in estimation of prestressing losses is analyzed by theoretical method, and the reasons that the elimination of tendon is large and test results are not consistent are pointed. using fem software ansys, anchorage zone of pylon are analyzed

    論文首先介紹了國內現階段對該問題的一些研究成果，然後從理論上分析了小半徑大噸位環向預應力體系在計算預應力損失方面的特點和造成張拉伸長量偏大且實測的數據離散性較大的原因，並採用國際權威的有限元分析軟體? ? ansys從理論上進行分析和索塔錨固區最不利節段的足尺寸模型試驗進行校驗。
  11. Among these techniques, log system is the foundation of fault - tolerance in distributed database systems. many sub - systems can benefit from powerful log system, such as distributed query, parallel processing control, transaction recovery, and message - based fault - tolerable log techniques. in addition, log can be used to maintain consistency among database ' s duplicates

    其中，日誌是錯誤容忍與分散式數據庫系統的基礎，分散式數據庫系統可靠性通過一套基於日誌的機制得到保證，如用於分散式更新、並發控制、事務恢復、錯誤容忍的消息日誌技術；當網路中斷或隔離，日誌可用於維護數據副本的一致性。
  12. The feasibility and requirement of adaptive control applied to the control system are analysized. the model of the hydraulic servo system is created, simplified and dispersed. according to the characteristics and problems that exist in the control system of stretch - bending machine at present, the self - tuning control with pole placement is firstly introduced, which establishes the theoretical foundation for the development and research of the intelligent control system of the stretch - bending machine

    分析了拉彎機控制系統採用自適應控制的必要和性可行性；建立了液壓伺服控制系統的數學模型，並進行了簡化和離散化；根據目前拉彎機控制系統的特點和存在的問題，第一次把極點配置自校正控制演算法引入拉彎機控制系統中，為智能化拉彎機控制系統的研究和開發奠定了理論基礎。
  13. Taking the badain jaran desert and its neighboring district as an example, discreteness, principal component and correlation of the chemical constituents of water samples were analyzed for the benefit of data collection and test

    摘要以巴丹吉林沙漠及鄰區為例，基於距離空間基本原理，對水樣化學成分進行了離散性、主成分和相關性分析，指導樣品數據採集和化驗。
  14. This paper concludes the following items : the mutual transform between the graphics data and attribute data of 3d model and database the theory of 3d modeling based on discrete algorithm and techniques dealing with bifurcation orebody the technique of model render based on opengl the theory and algorithm of model interaction and division according to these theories, the built model can be used to realize the visualization of production designing, extraction of slices in any orientation and production index calculations

    論文從工程應用的角度出發，主要進行了以下幾個方面的工作：三維模型的空間數據和屬性數據與數據庫的相互轉換基於離散演算法的三維建模原理和分歧礦體處理技術基於開放圖形庫（ opengl ）的模型渲染技術模型交互、剖切原理與演算法實現基於該原理和方法建立的三維模型可用來實現生產設計可視化、任意方位剖面的剖切、各種生產指標的精確計算等。
  15. For visualization geometrical data generated in numerical simulations, two subdivision methods are used and described in full detail. the two methods, which are triangular subdivision and quadrilateral subdivision, are incorporated into the visualization system with vtk for surface and volume rendering. the system supports a wide variety of visualization algorithms including scalar, vector, tensor, texture, and volumetric methods ; and advanced modeling techniques such as implicit modeling, polygon reduction, mesh smoothing, cutting, and contouring

    針對數值計算時被計算的幾何外形，即三維空間離散的數據所確定的幾何外形需要顯示出來特性，本文詳細介紹了兩種常用的剖分技術，即三角形剖分和四邊形剖分原理、方法；將現有的、特定的可視化演算法和技術與vtk類庫充分結合，設計了能讀取、存貯三角形或四邊形剖分的數據組織以及實現其幾何體繪制的類庫。
  16. Based upon practical engineering applications, the variant separating - variable algorithms of hyper - surface fitting for arbitrary multivariate scattered data are presented by separating positional variables in a spatial domain from certain physical variables such as time, mach number, angle of attack and so on, followed by their comparison. when compared with existing scatted data interpolation algorithms, the new ones are more effective. a sufficient condition to exchangeable order of separation is obtained and order of continuity on the hyper - surfaces above is discussed

    三、以實際工程應用為背景，將具有某種物理意義的量（如時間、 ma數、迎角等）與空間位置變量分開處理，給出任意散亂數據超曲面擬合變量分離的各種演算法，對它們進行了演算法的分析比較，獲得了分離次序可交換性的充分條件，給出了變量分離法構造的超曲面的光滑階。
  17. At the same timejt is proposed that the mean error, maximum error and minimum error of the last 8 numbers between the measured results and predicting results are used as criteria in order that we can select the optimum model judge the accuracy and dispersion of measured results

    在模型比選時，提出用實測值與預測值的后八項的平均誤差，最大和最小誤差來選擇最優模型並判斷其準確性以及實測數據選取的離散性。
  18. Abstract : in accordance with the problem that some parameters can be identified easily and other parameters are difficult to be identified in the load modeling of three order induction motor, this paper elucidates the relations between the parameter sensitivity and the parameter identifiability through sensitivity analysis. the problem that deals with the effects on parameter sensitivity of the intensity of excitation is also studied. finally, the parameter identification strategy that is meaningful and valuable in modeling is advanced

    文摘:三階感應電動機負荷模型中部分參數易辨識，且辨識結果穩定，而另一部分參數難辨識，辨識結果存在較大離散性.通過對參數靈敏度進行分析，指出了參數靈敏度與參數易辨識性之間的關系，以及擾動強度與參數靈敏度從而參數易辨識性的關系.最後給出了對實際三階感應電動機參數辨識的分步方法：利用較小的擾動強度數據來辨識具有較大靈敏度的參數；利用具有足夠強度的擾動數據來辯識靈敏度小的參數
  19. To increase our understanding of the pattern of the data, we must also measure its dispersion-its spread, or variability.

    為了加深對數據特徵的全面理解，還必須度量它的離散性，即數據的分散程度或變異程度。
  20. First the 3 - d scattering model of the targets is built based on the theory of radar target scattering center in the optics region and measure data, then by comparing the profiles of actual target with the profiles of model target, the two most resemble profiles are regarded as the target recognition result

    目標識別時，用目標的實測距離像與數據庫中所有目標的三維散射模型在任意姿態角上的投影形成的距離像進行匹配，取相關性最強的目標類型作為識別輸出結果。
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