離散對象 的英文怎麼說

中文拼音 [sǎnduìxiàng]
離散對象 英文
discrete objects
  • : Ⅰ動詞1 (離開) leave; part from; be away from; separate 2 (背離) go against 3 (缺少) dispens...
  • : 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
  • : Ⅰ動詞1 (回答) answer; reply 2 (對待; 對付) treat; cope with; counter 3 (朝; 向; 面對) be tr...
  • 離散 : dispersed; scattered about; separated from one another; spread; debunching; straggling; fringing;...
  1. Third, the traditional method of the establishment of disperse systems is analyzed ; the method of step establishment model is used. this method makes the establishment of disperse systems easy, and can minish the complex of makes the establishment of disperse systems

    再次,分析了事件系統的建模方法,提出了模塊化分級建模方法,該方法分三步柔性製造系統建模:建立系統的靜態像模型、動態行為模型和調度決策模型。
  2. In view of the hydrologic and meteorologic characters of the inland alpine region in the north - west china, watershed is dispersed by grids

    摘要針西北內陸高寒山區的水文、氣特點,以網格為最小單元將流域
  3. In the positioning servo - system, which generally is configured by the d. c. pulse width modulator ( pwm ) velocity governing system and position servo - loop, the parameter perturbance of pwm velocity loop really exist by reason of such as the load behavior ; power voltage supply ; operating setting value, etc. 1, 2 , and it cannot be ignored. by using the identification technique to form the mathematical model of the system, authors have confirmed the facts. therefore, to design the discrete sliding mode controller ( dsmc ) of the positioning servo - system, the perturbed parameters value bounds of the pwm velocity loop, which is as the controlled plant of position servo - loop, should be accounted. consequently, the design principle of dsmc for accounting system with parameter perturbance is proposed by the authors. the proposed method can ensure the stability of system with parameter perturbance and the behavior of non - overshoot, fast precise positioning. in order to reveal the effects of the design method, the comparative research work is done by the authors. also, it has been tested in an industrial experiment, the results proved it is satisfactory

    由直流脈寬調速系統( pwm )和位置環構成的定位系統中,速度環的參數隨負載特性;電網電壓;給定工況而攝動是不容忽視的.作者通過系統辨識建模也證實了這一事實1 , 2 .因此在設計位置環的滑模控制時,必須針速度環(即位置環的控制)的參數攝動范圍採用「參數攝動滑模控制器的設計方法」 ,以確保系統在參數攝動時的穩定性和快速、無超調、準確定位的優良動態品質.為剖析該設計方法的控制效果,本文作了比性研究,並將該設計方法用於工業試驗中,取得了滿意的結果
  4. When blanket jamming is used, the more the ratio between the power of jamming and the power of signal, the less detection probability of the radar is. the effect of distributed jamming mainly depends on the total power. after distributed, the randomicity of distance and phase of jamming source bring difficulties to analysis

    壓制式干擾來講,干信比越大,雷達的發現目標的概率就越小,由於分式干擾的干擾效能在於其合成功率,在分式干擾單元分佈之後,各個干擾源與被干擾之間的距的不確定性,帶來了干擾信號相位的不確定性,增加了分析干擾效能的復雜度。
  5. Coke oven is a complex plant with the characters of large time - delay, strong non - linear, multivariable coupling and changeable parameters. the dynamic process of the coke oven is driven by both continuous variables and discrete events. the mean flue temperature is affected by many reasons and it is difficult to control the temperature to required precision by the normal control methods

    焦爐是具有大時滯、強非線性、多變量耦合、變參數的復雜,直行溫度受多種因素的影響,焦爐生產過程既受連續時間信號驅動,又受事件信號驅動,採用常規的控制方法難以將直行溫度控制到要求的精度范圍內。
  6. The content of this thesis comes from the fujian natural science found following research task 。 it studies on a space cantilever single beam attached to a moving support 。 inertia forces which are brought by the support ' s movement , are acceded to the equivalent initiative forces and the equivalent initiative moments 。 when we consider the relation of the forces and deformation , we change the method of material mechanical analysis to the elastic mechanical analysis 。 further more , we discusses the feasibility of the method which uses the multi - rigid - body discrete model to simulate the dynamic characteristic of a elastic body 。 first , the finite segment method is adopted to establish the models of the beam 。 based on kane ' s equations , dynamic math - model for the beam are derived 。 and by use of c - language and runge - kutta procedure , the computer - oriented procedure can give the whole responses of the beam 。 second , with compare to the numerical examples , the method which uses the multi - rigid - body discrete model to simulate the dynamic characteristic of a elastic body which is under the condition of movement is verified to be feasible 。

    本論文為福建省自然科學基金后續研究課題,以已知支撐運動的單個空間懸臂梁為,在等效主動力與等效主動力矩中加入支撐轉動引起的慣性力,並在考慮力與變形關系時,用更一般的彈性力學分析代替材料力學分析,進一步研究用多剛體模型來模擬其動力學特性的可行性。首先,用有限段建立機械臂的多剛體模型,用kane動力學方法建立其動力學方程。並用c語言編制演算法程序,採用了四階runge - kutta積分程序求解微分方程組,給出構件的全部動態歷程。
  7. Fist ly, use mass equivalent method to predigest the original rotor system. secondly, use transfer matrix arithmetic to have finished the relative program to calculate the critical speed of flexible multi - tray rotor bearing system by matlab language. thirdly. finish program the unbalance response using riccati - transfer matrix arithmetic and finity buck arithmetic. fourthly, answer to the high vibration of uncontroled system when cross the critical speed, come out to adopt changing clearance damper bearing to control the viberation

    本文多柔盤轉子-支承系統的振動現做了以下初步探索:用質量化方法把原轉子系統簡化;採用matlab語言編制了傳遞矩陣法計算多柔盤轉子-支承系統的臨界轉速;用matlab語言riccati傳遞矩陣法和有限元法編制了程序計算系統的不平衡響應;並針其過臨界轉速時振動較大的現,提出採用變間隙控制油膜剛度和阻尼,從而使原系統的在特定轉速(臨界轉速)的一段范圍內不平衡響應減小;並從被動控制與主動控制兩方面進行數值模擬,取的了較好的控制效果。
  8. Hydrologic station is a distributive organization and relates to geography location and geological condition

    水文站是一個分佈的,與地理位置、地質條件密切相關。
  9. The 00 ( object - oriented ) technique of standard template library with ansi / iso c + + is used in designing the program, and the dynamic access mechanism and the startup with zero content are realized by using the specialization and inheritance object of vector template class as the data container which can change the content itself according to the number of discretization node data of a computing practicality. so, the fact that the use of the static ems memory which is not necessary is avoided

    在設計面向有限元程序中運用了基於ansi isoc + +標準模板庫( stl )的技術,以向量模板類的特化繼承為變容量數據容器,實現了可按計算實例的結點數量動態存取數據的機制和數據容器的零容量啟動,從而避免了運算時系統靜態內存空間的超量佔用。
  10. Because the computation israther complicated, a lifting algorithm is proposed by using matlab functions. the h _ lifted plant and the corresponding l2 - induced norm can easily beobtained with the proposed algorithm

    可以直接給出h _和相應的l2誘導范數,方便了提升法的應用。
  11. Based on the navier - stockes equation, the finite difference method was applied to variance the simplified n - s equation on cylindrical coordinate system. then, 3 - d model of the spiral flow locally generated in circular pipe with steady and axial - symmetry condition was founded. the ordinary iterative method of gauss - seidel was induced

    太原理工大學碩士學位論文本文以局部起旋條件下的圓管螺旋流為模擬,從以速度和壓強為自變量的微分方程一navier一5tokes方程出發,利用有限差分法柱坐標系下簡化后的n一s方程進行,建立定常的、軸稱的三維計算模型。
  12. Under the background of the research work - " expert system of hydraulic brake system design for saloon car, small and medium passenger car " for nanjing yuejin automobile group, in this paper, a set of special cad software for vihicle brake was developed in which the researchful object was brake, . the cad supporting software was pro / engineer and the developing language was vb. the project of discreted brake was raised and 3d graphic parametric library of typical parts and assemblies was established. 3d solid modeling and parameter - driven between dimensions and relations were accomplished using pro / engineer

    本文以南京躍進汽車集團的橫向課題「轎車、中小型客車液壓制動系設計專家系統」為背景,以制動器為研究,以pro engineer為cad支撐軟體,採用vb語言,開發了一套汽車制動器專用cad系統;提出了制動器化方案,構建了參數化的制動器典型零部件三維圖形庫,使用pro engineer實現三維實體造型以及尺寸與關系的參數化驅動;圖形庫系統採用參數化圖庫引用、管理機制並擁有一個開放的擴充介面;研究了pro engineer二次開發模塊pro toolkit ,解決了同步模式下定製程序界面的問題,並實現與pro engineer的通信;建立了制動過程數學模型,推導了制動方程式並給出相關解法,編制了制動器數值模擬分析程序;構建了制動器設計資料庫。
  13. On the base of analyzing the regulation of port tugboat working, this paper establish simulation model of tugboat working process by the principle of the dess, and realize the model with object - oriented method

    本文利用系統模擬的原理,在分析港口拖輪作業規律的基礎上,建立了港口拖輪作業過程的模擬模型,並利用面向的技術進行實現。
  14. In the process of steel - making, killing oxygen by adding aluminum process is a controlled object whose parameters are distributed and non - linear, and its observed data are discrete. the key point of this process is model of killing oxygen by adding aluminum process

    煉鋼生產中,定氧加鋁工藝的被控具有參數分佈、非線性、動態觀測數據等特徵,定氧加鋁模型的建立是該工藝的核心。
  15. In this paper, a gray video md - 3d - spiht algorithm is proposed, which extends the md - spiht algorithm into 3d - spiht. this method is to divide the 3 - d wavelet coefficients into some number p of different groups according to their spatial and temporal relationships, and then to encode each group independently using 3d - spiht algorithm, so that p independent embedded 3d - spiht substreams are created. multiple descriptions are created

    2 、將md - spiht方法推廣應用於視頻序列,提出了灰度視頻md - 3d - spiht演算法,該演算法先一組視頻圖進行多級三維小波變換,在小波域建立空間方向樹,及空間方向樹分組,再分別各組進行3d - spiht編碼,即產生多個描述,且每一描述的碼流是完全嵌入式的,易於實現質量可分級編碼。
  16. Hence analysis and design of nonlinear sampled - data systems has been, in recent years, a subject of growing interest in the international community of control research. when a continuous - time plant is controlled using a digitally implemented controller, it is often faced that a continuous - time plant is transformed into its equivalent discrete - time model. a digital controller is usually designed on the base of approximate discrete - time models of the continuous - time nonlinear systems because it is difficult to obtain the closed form of the exact discrete - time model for nonlinear control systems

    利用計算機等一類控制裝置來控制連續時間的受控時,都會遇到把連續時間系統化為等價的時間系統的問題,通過采樣器和保持器來實現時間的采樣控制,于非線性連續受控系統,由於連續系統的時間化后一般得不到其等價的精確化模型表示的有限形式,實際上由其近似化模型代替來設計控制器,而近似會引起信號失真,那麼基於近似化模型上設計的采樣控制器,它是否同樣原連續受控系統有效
  17. Also the modeling of the super - length tall buildings is provided. the whole structure of super - length tall buildings is chosen as an object of study, and a worldwide used large - scale structural analyzing program named super sap93 is also chosen to decentralize the structure into elements. the beams and columns of the structure are modeled as dimensional beam components, and the floor slabs and sheer walls are modeled as dimensional slab components

    本文以超長高層建築整體結構為研究,採用國際通用的大型結構分析程序supersap93超長高層建築結構進行有限元,結構的梁和柱採用空間梁單元模型,樓板和剪力墻以及筒體結構採用空間板單元模型,建立實用的超長高層建築結構整體結構分析模型。
  18. On the base of analysis of hydrologic geology from aquifer distribution, boundary conditions and dynamic characters etc. in the research area, the paper sums up the hydrologic geologic condition, builds up the conceptual model of groundwater resource evaluation and presents 2d calculation model, as well as numeric solution and computing flow chart. after introducing general solutions of mathematic models and implementation method of rectangular grid, the paper realizes the automatic technique of spatial dispersion rectangular grid of evaluation models based on gis. finally, the paper fulfills the integration of gis with groundwater resource evaluation models from gis - based basic management information, spatio - temporal dispersion of models, definition of subprogram and visual evaluation of parameters, as well as models simulation etc., and visualizes the results of evaluation models

    論文以地下水超采?地下水降落漏斗?地面沉降現較為嚴重的常州、武進地區作為研究評價區域,在評價區域的含水層分佈、邊界條件和動態特徵等水文地質條件分析的基礎上,概化了其水文地質條件,構建了相應的地下水資源評價概念模型與數學模型,並給出其數值解法和相應的計算流程;論文在介紹數學模型的兩種常用數值解法和模型空間的矩形網格生成技術的基礎上,實現了基於gis的評價模型空間矩形網格的自動生成;最後,論文從基於gis的評價模型基本信息管理、模型空間時間方法、子程序包與模型計算參數可視化賦值、模型的擬合等方面實現了gis與評價區域的地下水資源評價模型的集成,並將模型評價結果可視化。
  19. The elliptic curve digital signature algorithm ( ecdsa ) is the elliptic curve analogue of the digital signature algorithm ( dsa ). it was accepted in 1999 as an ansi standard, and was accepted in 2000 as ieee and nist standards. unlike the ordinary discrete logarithm problem and the integer factorization problem, no subexponential - time is known for the elliptic curve discrete logarithm problem. for this reason, the strength - per - key - bit is substantially greater in an algorithm that uses elliptic curves

    橢圓曲線數字簽名演算法( ecdsa )是數字簽名演算法( dsa )的橢圓曲線等。它先後成為ansi , ieee , nist和iso的標準,而且其它的一些組織正在考慮成為其標準。不普通的數問題和因數分解問題,橢圓曲線數問題沒有已知的亞指數演算法,所以使用橢圓曲線的演算法在密鑰的位強度是足夠高的。
  20. A dataset can contain multiple tables of results, which it maintains as discrete objects

    一個數據集可以包含多個結果表,它將這些表作為離散對象維護。
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