擬形數 的英文怎麼說

中文拼音 [nǐxíngshǔ]
擬形數 英文
figurate number
  • 擬 : 動詞1. （設計; 起草） draw up; draft 2. （打算; 想要） intend; plan 3. （模仿） imitate
  • 數 : 數副詞（屢次） frequently; repeatedly
  1. We build a ride comfort testing graphics database regarding real proving ground, which contains the objects, e. g. road surface, river, grassland, house, trees, cordillera and so on

    參照道路試驗場景，建立了模擬隨機道路的包括路面、河流、草地、房屋、樹木、山脈等對象的車輛平順性試驗場圖形數據庫。
  2. In this paper, a workflow model simulation environment based on object petri net is constructed. under this environment, a workflow model can be parsed and transformed to an opn - based simulation model, then the simulation parameters should be set and the simulation model can be put to use

    本文構建了一個基於面向對象petri網的工作流模型模擬環境，將建模工具生成的工作流模型解析出來后，再轉換成面向對象petri網形式的模擬模型，然後設置模擬參數，將該模型投入模擬運行。
  3. The effects of reynolds number, back surface of nozzle, aft - dome configuration and degree of submergence on aft - end internal flow were studied by both cold gas simulation and numerical simulation. it is showed that the separated flow is sensitive to the change of reynolds number and aft - end cavity configuration

    最後，利用冷流模擬與數值模擬相結合的方法，研究了雷諾數、噴管背壁形狀、后封頭形狀和潛入深度對燃燒室尾部流場的影響，結果表明流動的分離對雷諾數和背壁區幾何邊界的變化很敏感。
  4. Numerical simulation analysis on extrusion molding of rings of tapered roller bearings

    圓錐滾子軸承套圈擠壓成形數值模擬分析
  5. Basesd on finite element analysis it presents the technology for numeric simulation of tube hydroforming, introduces the construction approach of analytical mode in numeric simulation of tube hydroforming

    基於有限元法的管材液壓成形數值模擬技術發展的時間更短，有待進一步研究和發展。
  6. The development for the digital simulation software of 3d terrain in dredging project can assist the dredging and manage the dredging project with high - tech fruits

    開發三維地形數字模擬軟體，就是運用先進的科技成果來輔助疏浚作業，管理疏浚工程。
  7. The particles aggregation was simulated using particle - cluster and cluster - cluster aggregation model. several type of floes was reached and its morphological characteristics was analyzed the fractal dimension, density and porosity of floes was studied by changing sticking probabilities, sticking position, particle number, particle concentration, difrusion coefficient and motion trajectory. the parameters by which special floes growth were determined. in the study of morphology, floes of yellow river ' s loess particles was observed by tv - microscope. its morphological characteristics were obtained by image analysis. the effect of fractal dimensions by stirring time strring speed, macromolecule flocculant dosage, flocculant concentration and particle concentration was studie. its rule of change was obtained. on the basis of other studies, the flocculation kinetics and floes structure was studied

    本文應用計算機模擬技術，在二維空間內採用單體凝聚和集團? ?集團凝聚兩種模型對顆粒凝聚過程進行了模擬，得到了多種形態的絮體，並對絮體進行了形態分析，通過改變粘附概率、粘附位置、顆粒數量、顆粒濃度、擴散系數和運動路徑等模擬參數，我們考察了絮體分形維數、密度和孔隙率隨模擬條件變化的影響規律，得到了形成特定形態絮體的控制參數。
  8. The effect of different yield criteria on the finite element simulation of deep drawing formability for different thickness tailor welded blanks

    屈服準則對差厚鋁合金拼焊板拉深成形數值模擬的影響
  9. Sedimentation simulation can be divided into physical simulation and numerical simulation based on the methods of study utilized. chapter 4 of this dissertation has carried out a physical simulation study about the processes of formation and laws of evolution of the fan delta in baimiao gas field

    沉積模擬研究按其研究方法不同，可以分為物理模擬和數值模擬，本論文第四章系統開展了白廟氣田扇三角洲形成過程及演化規律的物理模擬研究。
  10. The memory method and file storage of the scenery emulation system and graphics data structure to analyze some commonly used three - dimensional graphics data are designed

    分析了一些常用的三維圖形數據的存儲方法和舞臺布景模擬系統的文件存儲以及圖形數據結構設計。
  11. The pulse width trigger circuit, trigger delay circuit are discussed. and a new kind of peak detection module which is implemented by verilog hdl in fpga and greatly enhances the performance of catching glitch is discussed in the dissertation. the waveform recorder function accomplished in the scopemeter can test, monitor slow analog signals and record the characteristic value of signals continuously for a long time

    本文討論了脈寬觸發電路和觸發釋抑電路的實現，採用veriloghdl在fpga中實現了一種峰值檢測模塊，提高了示波表的毛刺捕捉能力，設計的波形記錄（ recorder ）功能模塊能夠對輸入的模擬信號進行長時間連續不斷的采樣量化，並記錄波形數據和及時送顯示。
  12. Abstract : the propagation of waves passing over the abrupt changing topograghy can be simplified as a wave passing over a step. this flow process can be reasonably simulated by a 2 - d numerical wave flume developed in this paper, especially for the nonlinear transformation of the wave on the step. numerical results have been verified by experimental data

    文摘:波浪在水深劇變地形上的傳播，可以簡化為波浪在臺階地形上的傳播.利用二維數值波浪水槽可以很好地模擬這一過程，特別是對波浪在臺階上的非線性變形.數值計算結果與實驗測量進行了比較，結果吻合良好
  13. The numerical simulation technology of metal forming is one of the pop domain in metal plastic forming, play a great effect in industry

    金屬成形數值模擬是金屬塑性加工領域的熱門課題之一，在工業中發揮著巨大的作用。
  14. Connectors with assessed quality, for use in d. c., low - frequency analogue and in digital high speed data applications - rectangular connectors - detail specification for 8 - way, shielded free and fixed connectors for data transmissions with frequencies up to 600 mhz minimum

    直流低頻率模擬及數字高速數據系統用的已進行過質量評定的連接器.矩形連接器.最低頻率為不大於600mhz的數據傳輸用8道無屏蔽固定連接器的詳細規范
  15. Numerical simulation and experimentation cup - shaped thin - walled inner rectangular gear formed by spinning

    杯形薄壁矩形內齒旋壓成形數值模擬與試驗
  16. Punch forming of sheet is used widely in the industries of auto, electric appliance and aviation, etc. the numerical simulation technology of sheet forming has been developed rapidly since 1970s. especially with the rapid development of computer, the numerical simulation technology of sheet forming has tended towards the practical stage and changed the traditional design of sheet punch forming

    板料沖壓成形廣泛應用在汽車、電器、航空航天等工業部門， 20世紀70年代以來，板料成形數值模擬技術得到了迅速發展，特別是隨著計算機技術的飛速發展，板料成形數值模擬逐漸走向實用化階段，改變了傳統的板料沖壓成形的設計過程。
  17. By employing cole ' s classical theory of bubble dynamics, the motion of bubble produced by the underwater explosion and the corresponding bubble pulsating pressure are calculated. a profile function of the shock wave and its parameters are determined according to the principle of wave profile similitude and the equality of impulses. finally an analytic formula is derived to simulate the whole time history of the pressure from the front shock wave to the bubble pulsation, representing the fluid loadings of the underwater explosion

    木文首先應用庫爾的經典水下爆炸氣泡運動理論計算出氣泡的運動和脈動的壓力波形，再依據波形相似的原則尋找波形模擬函數，用沖量相等的原則確定波形參數，得出了從沖擊波到氣泡脈動壓力整個過程對水下爆炸載荷進行模擬的解析公式。
  18. Abstract : a numerical model for wave propagation in water of varying topography and current is proposed, and time - dependent wave mild - slope equation with a dissipation term and corresponding equivalent governing equations are presented. two different expressions of parabolic approximations for the case of the absence of current are also given and analyzed. examples of numerical simulation for wave transformation in large estuarine water areas are provided

    文摘:提出了水深與流場緩變水域波浪傳播數學模型水流中依賴時間變量並考慮能耗的波浪「緩坡方程」及其等價的控制方程組，分析比較了無水流情況此理論模型與其相應的兩種拋物型近似的差別，提供了長江口波浪變形數值模擬計算工程實例.實例表明，該模型能適應河口三角洲大范圍水域波浪傳播數值計算
  19. The optimization problem of parameters, example hourglass coefficient, mesh size, jointing simulation and so on, which affect the result of crash simulation, is solved. the size and number projects of steel panel and square column, which make deceleration curve of sled reach the requirement, are found by simulation

    模擬分析研究成功地解決了影響碰撞模擬結果的「砂漏」系數、網格大小、焊接模擬參數等各種相關參數的優化處理問題，為臺車碰撞試驗中得到符合要求的臺車減速度曲線提供了鋼板或方形梁的最佳尺寸及組合方案。
  20. This kind of controller is easy to design and operate, and has improved convergence rates and less overshoot than pid controller, but has stable error. in order to improve the properties of the fuzzy controllers, fine - tune - rule fuzzy controller, fine - tuned parameter fuzzy controller and fuzzy - pi controller were designed respectively based on the simple fuzzy controller. then fuzzy logic inferential system is established by using toolbox of fuzzy logic in matlab7. 0. secondly, in simulink6. 0, through the instance of the template of s - function, the module of s - function for optimizing fuzzy control and corresponding control model are constructed, and the parameters of simulation are set

    這種控制器易於設計、實現方便，較傳統pid控制有更快的響應速度和更小的超調，但其存在靜態誤差;為了進一步提高模糊控制器的控制特性，在此基礎上分別設計了可調整控制規則模糊控制器、參數自整定模糊控制器和模糊- pid復合控制器;然後利用matlab7 . 0模糊邏輯工具箱圖形用戶界面建立模糊邏輯推理系統，在simulink6 . 0系統模擬設計平臺中通過實例化s函數模板創建旨在優化模糊控制的s函數功能模塊，並構建模糊控制系統框圖模型，設置系統模擬參數，最終對系統進行動態模擬。
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