超實時模擬 的英文怎麼說

中文拼音 [chāoshíshímónǐ]
超實時模擬 英文
faster than real time simulation
  • 超 : Ⅰ動詞1 （越過; 高出） exceed; surpass; overtake 2 （在某個范圍以外; 不受限制） transcend; go beyo...
  • 實 : Ⅰ形容詞1 （內部完全填滿 沒有空隙） solid 2 （真實; 實在） true; real; honest Ⅱ名詞1 （實際; 事實...
  • 時 : shí］Ⅰ名1 （比較長的一段時間）time; times; days:當時at that time; in those days; 古時 ancient tim...
  • 模 : 模名詞1. （模子） mould; pattern; matrix 2. （姓氏） a surname
  • 擬 : 動詞1. （設計; 起草） draw up; draft 2. （打算; 想要） intend; plan 3. （模仿） imitate
  • 模擬 : imitate; simulate; analog; analogy; imitation; simulation模擬艙 boilerplate; 模擬電路 [電學] circ...
  1. And the deficiencies are pointed out in present researches, such as highway capacity, level - of - service, influence factor of road alignments, etc. from these, it has confirmed that the thesis should be studied from rational analysis, quantitative analysis of level - of - service, impact on capacity of road alignments, setting - up simulation model, etc. the high - accuracy gps dynamic data acquisition appearance is proposed to be used for the first time to carry on the experiment of overtaking on two - lane highways, and experiment scheme is designed according to the driver ' s perceive to judge each overtaking course. based on the experiment data, it can get two important parameters of acceptant gap ? the critical gap of overtakable time headway and returnable time headway through data processing, which can offer the strong support to the research of two - lane highway capacity with qualitative and quantitative analysis. besides, the experiment methods is provided to observe overtaking ratio and to measure the

    研究中首次提出了運用高精度gps動態數據採集儀對雙車道公路上的超車行為進行觀測，設計了根據駕駛員感受度來衡量超車過程的實驗方案，並通過後期數據處理得到了超車過程中兩個重要的可接受間隙參數-可超車車頭時距和可回車車頭時距的臨界間隙值，為定性和定量分析雙車道公路通行能力提供有力的數據支持;同時，還提出了觀測超車率的實驗方法以及測量加速度干擾的實驗方案，統一了計算加速度干擾的時間統計間隔，為雙車道公路的服務水平量化研究奠定基礎;最後還簡單介紹了駕駛員問卷調查法和模擬程序中模型參數標定和驗證的數據採集方法。
  2. And then facing the problem of the channel estimation of the adaptive modulation system, we conclude out the channel estimation algorithms on maximum likelihood ( ml ) estimation and maximum a posteriori ( map ) estimation under the condition of flat fading channel and selective fading channel in detail. to meet flat fading channel, we simulate the relationship of the ratio between the error covariance in map estimation and ml estimation and pilot symbol message length. the conclusion can be drawn from these results

    接著，對自適應調制系統中的通道估計問題難點，詳細推導了平衰落通道條件下和選擇性衰落通道條件下最大似然（ ml ）估計和最大后驗概率（ map ）估計演算法，針對平衰落通道，我們模擬了map估計和ml估計的方差與導頻符號長度的關系，模擬結果表明，錯誤方差受多譜勒頻率的變化影響最大，並且對實際的自適應調制系統，導頻符號長度的取值超過20個符號長度時， map通道估計明顯優于ml通道估計。
  3. The optical near - field distribution and propagation properties of solid immersion lens system are analyzed in detail when illuminated by linearly polarized focusing gauss beam. the change of the optical intensity and beam dimension at the bottom of solid immersion lens with different refractive index and different distance are discussed. the simulated results reveal that the higher the refractive index is, the stronger the optical intensity and the smaller the beam dimension at the bottom of the solid immersion lens will be

    編制了對固體浸沒透鏡近場超高密度光存儲系統進行模擬的二維時域有限差分程序，實現了對固體浸沒透鏡光存儲系統的數值模擬；著重研究了線偏振的高斯光束通過固體浸沒透鏡的光傳輸和近場光場分佈特性；分析了固體浸沒透鏡底面出射光強、光斑直徑隨固體浸沒透鏡折射率的變化、光透過固體浸沒透鏡后的強度、光斑直徑隨離開固體浸沒透鏡底面距離的變化。
  4. So it can simplify the computation. it is fast and effective. along with development of electronic technology, especially vlsi and mixed signal circuits, where there are physical or functional blocks and subnetworks which are indiscerptible in the network, it shows its practical value

    隨著電子技術的發展，特別是超大規模模擬電路和模數混合電路發展，對于電路中存在著物理上或功能上具有不可分割的功能塊或子網路時，該方法更顯其工程實際意義。
  5. Using local piston theory based on cfd to solve hypersonic unsteady aerodynamic loads, the hypersonic aerothermoelasticity is simulated in time domain

    在時間域內實現了高超音速熱氣動彈性的模擬。
  6. It is shown that the proposed refinement approaches have the commonly expected properties : the behaviour of the refined process can be inferred compositionally from the behaviour of the original process and from the behaviour of the processes substituted for actions ; the timed extensions of pomset partially ordered multiset trace equivalence and history preserving bisimulation equivalence are both congruences under the refinement ; the syntactic and semantic refinements coincide up to the aforementioned equivalence relations with respect to a cpo - based denotational semantics

    然而，對于並發系統來說，時間指標是一個至關重要的因素，很多現實生活中的並發系統都跟時間密切相關，另外，緊急事件在實時並發系統中也是常見的現象，在已研究的動作精化理論當中緊急事件都僅僅只限於用來模擬超時事件，並且是不能被精化的，這對于很多現實系統來說是一個很大的限制。
  7. The representation and real - time simulation of large - scale virtual scene is studied and experimented on a silicon graphics multiprocessor, onyx 3200, with four mips r12000 processors and infinite reality3 graphic accelerator, under irix 6. 5 operating system

    本文利用sgionyx3200超級圖形工作站結合openglperformerapi ，以鄱陽湖地區作為研究區域，進行大規模虛擬場景實時模擬技術的研究。
  8. A method of fuzzy optimization design based on genetic algorithm is presented as a new method of parameter optimization design for dc double closed loop speed adjusting system. the method covers three steps. firstly, speed overshoot rate and settling time are chosen as performance indice according to the demand of engineering. these indice are normalized by using fuzzy membership function and then weighted to form objective function of optimization model of the system. secondly, the dynamic response curve of the system with corresponding parameters and peoformance indice are obtained by computerized numerical calculation and simulation. finally, parameters of engineering design are expanded as searching space ; and parameters of speed regulator and current regulator are taken as genes in chromosome. these genes in searching space are optimized to get best solution by way of genetic algorithm. as shown by experimental results, the parameters designed by this method are capable of significantly improving performance indice of the system, which proves that it is a practical and effective method

    提出一種基於遺傳演算法的直流雙閉環調速系統參數優化設計方法.根據工程技術的要求，選用速度超調量和過渡時間作為參數優化性能指標.將該指標用模糊隸屬度函數歸一化，再加權平均形成系統優化模型的目標函數.採用計算機數值計算方法，通過模擬獲得系統對應參數的動態響應曲線及其性能指標.最後以工程設計的參數為搜索范圍，以速度調節器和電流調節器的參數為染色體中的基因，通過遺傳演算法在搜索范圍中優化這些基因，獲得優化解.實驗結果表明，所設計的參數能使系統性能指標有顯著提高
  9. Sensitive element is one of the important to measure the concentration of mathane, and it " s export is a little voltage signal, little signal amplify circuit is to transform the analogue signal to digital signal, display circuit is to display the concentration of mathane, monitoring circuit is to monitor the overstep limit of mathane concentration. the feature is new design, accurately measure parameter, convenient to operate and so on

    其中cpu是監控儀的核心，完成數據採集、處理、輸出、顯示等功能；敏感元件是準確檢測甲烷氣體含量的主要元件之一，其輸出是與甲烷濃度相對應的電壓信號；小信號放大電路則是用來放大敏感元件輸出的電壓信號； a d轉換電路把放大了的電壓信號由模擬信號變為數字信號送入cpu ；顯示電路則顯示實時甲烷濃度；報警電路對超限甲烷濃度進行報警。
  10. Compared with the pid controller in the real - time experiment and off - line simulation, it shows that not only the output of system is small overshoot and rapid respond time when the logical rule controller acts, but also its control strategy is easy to be performed

    與傳統的pid控制器作用相比，離線模擬和在線實驗表明，邏輯規則控制器作用下的系統輸出不僅超調量小，響應時間快，而且控制策略簡單易行。
  11. And classic pid control method and numerical pid control method have been introduced in the paper. the paper adopt stabilization border method to set the pid parameters and simulates the control system which is based on matlab / simulink. simulation results indicate that pid control ’ s simulation results have a good effect in low - frequency stage, but it is not perfect in mid - frequency and high - frequency stage

    採用穩定邊界法實現對pid參數的整定，並基於matlab / simulink對控制系統進行了模擬，模擬結果表明:低頻段pid控制正弦跟蹤曲線取得了良好的效果，而在中頻和高頻段時的跟蹤效果不是很好， pid控制的階躍響應超調量較大， pid控制三角波曲線的高頻性能也不理想。
  12. In this paper, with the available computer method, theauthors have obtained the stress distribution acrosssections of reinforced concrete composite beams under two stages ofloading, and show that the stress redistribution under two stages ofloading results in a reduction of stress discrepancy in thetensile steel and of strain discrepency in the compressed concrete between thecomposite beam and the corresponding casting beam

    本文運用成熟的電算模擬方法，計算得到二階段受力鋼筋砼疊合梁在不同受力階段的截面應力分佈規律及鋼筋的應力變化規律，分析得到二階段受力時鋼筋砼疊合梁1的受拉鋼筋應力超前、受壓區砼應變遲后逐漸緩解的實質為截面應力重分佈的結果
  13. Theoretical analysis and simulation experiment showed that this kind of controller can improve the dynamic characteristic of the positioning table with a short setting time, little overshoot and a fast dynamic response, and can also restrain disturbance and high frequency vibration

    理論分析和模擬實驗證明，該控制器能較好地改善此類平臺的動態特性，具有調節時間短、無超調和動態響應準確快速等優點，並能夠有效提高系統的杭干擾和高頻振動能力，所得結論對此類平臺控制器的設計具有一定指導意義。
  14. Based on analyzing the mechanism of direction finding triangulation location and location accuracy for two - ship passive locating, the acquisition probability model of anti ship missile terminal guidance radar is presented for two - ship passive locating : and the effects of the key factors to the probability are analyzed, and then the primary factors are pointed not by analyzing the results in different conditions

    摘要首先簡要介紹了無源定位技術，然後著重分析了雙艦無源測向交叉定位以及其誤差產生的機理，在此基礎上，給出了雙艦無源定位情況下實施超視距攻擊時，反艦導彈末制導雷達開機時刻對目標的捕捉概率模型，並通過模擬分析雙艦距離。
  15. The main advantage of this method is that it can be realized easily in engineer. the numerical studies and circuit experimental simulations show that this method is correct and efficient. in our circuit experimental simulations, the other variables of hyperchaotic systems synchronize precisely when a variable synchronizes generally

    電路實驗模擬中出現一種新的同步現象，即超混沌振蕩器的一個電流達到廣義同步時，其它的電壓和電流還可以實現精確同步，我們對此同步現象的物理機制進行了定性分析。
  16. Fuzzy inference system ( fis ) module, control system module and simulink module are used in the simulation of mrfac system and a set of lest and best control rules are found by " error trial ". it proves that high precision control is realized and the hydraulic mrfac system can achieve dynamic and static performance in this paper

    本文就是利用matlab軟體中的模糊推理系統工具箱、控制系統工具箱和simulink工具箱對液壓伺服模型參考模糊自適應控制系統進行模擬，用「試錯法」找出一組數目最少且能夠實現最優控制的條件語句，使系統的動穩態性能得到了大大地提高，基本上實現了超調小，響應速度快地實時控制。
  17. The real - time simulation with dspace of control for nano - system

    對超精密並聯結構機器人控制實時模擬
  18. Faster - than - real - time simulation

    超實時模擬
  19. In order to decrease the over - adjusting in temperature and transaction time, a multi - model selector was provided to different scenarios of ascending temperature to make this system be simulated under simulink ' s circumstances. the result of simulation demonstrated that the effect of the system temperature control with model selector is superior to that of the system with pid controller or with pure lag compensation

    為了進一步降低滲氮爐到溫前的溫度超調量及過渡時間，又提出用一個模式控制器來進行多種升溫方式的選擇並在simulink環境中對帶有模式控制器的溫控系統進行了模擬實現，模擬結果表明帶模式控制器的滲氮爐溫控系統的控溫效果又要優于帶純滯后補償的pid控制系統。
  20. The realizing methods for the algorithms are presented also. a hydraulic experiment system is established to simulate the different states of hydraulic system, with a pump, several valves, turbo - flowmeter, pressure gauge, and many hydraulic pipelines of different diameter

    利用液壓泵、各種控制閥門、標準表及不同管徑液壓管路構建了一個液壓實驗系統，可實時模擬武器裝備液壓系統的各種工作狀態，為超聲波的壓力、流量測量提供了一實驗平臺。
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