approximate simulation 中文意思是什麼

approximate simulation 解釋
近似模擬
  • approximate : vt 1 使接近。2 接近；走近。3 近似，約計。4 模擬。5 估計。vi 近於。 His income this year approxima...
  • simulation : n. 假裝；模擬；裝病，裝瘋；【生物學】擬態，擬色。
  1. The ultimate goal of a simulation is to approximate chamber pressure so as to detect and define the source of undesired pressure variation.

    模擬的主要目標是在接近室壓下探測和確定不希望有的壓力變化的來源。
  2. No. 2, a fast simulation technique is proposed to approximate the filtering effects of the implicit method in order to alleviate the heavy computation brought by the implicit integration method. no. 3, an algorithm to dynamically regulate the time step is detailed

    柔體模擬過程中一直存在的瓶頸問題首先是為保證模擬過程的穩定性而不得不採用較小的時間步長，其次是求解微分方程時耗費的計算量過大。
  3. In addition, the approximate formula for coefficient k p, ki, kd is also suggested by using characteristic index of forecast control. finally, through emulation, the fractional - order pi ~ d ~ arithmetic is compared with the integer - order pid arithmetic. the availability of the strategies and stability of systems are proved by doing some analysis and simulation

    然後利用根軌跡的方法分析了擁塞控制系統的穩定性，並在此基礎之上採用廣義預測控制方法所應用的特性指標求出了k _ p ， k _ i ， k _ d的近似計算公式。
  4. Abstract : a new approach, gate - capacitance - shift ( gcs ) approach, is described for compact modeling. this approach is piecewise for various physical effects and comprises the gate - bias - dependent nature of corrections in the nanoscale regime. additionally, an approximate - analytical solution to the quantum mechanical ( qm ) effects in polysilicon ( poly ) - gates is obtained based on the density gradient model. it is then combined with the gcs approach to develop a compact model for these effects. the model results tally well with numerical simulation. both the model results and simulation results indicate that the qm effects in poly - gates of nanoscale mosfets are non - negligible and have an opposite influence on the device characteristics as the poly - depletion ( pd ) effects do

    文摘:提出了一種新的建立集約模型的方法，即柵電容修正法.此方法考慮了新型效應對柵電壓的依賴關系，且可以對各種效應相對獨立地建模並分別嵌入模型中.另外，利用該方法和密度梯度模型建立了一個多晶區內量子效應的集約模型.該模型與數值模擬結果吻合.模型結果和模擬結果均表明，多晶區內的量子效應不可忽略，且它對器件特性的影響與多晶耗盡效應相反
  5. Test results indicate : formula in american code is very conservative and with low reliability ; formula in bridge code, westergaard formula and sanko - bakht formula can be only used in narrow range ; the result of space numeric simulation is approximate to test one, and with high accuracy

    試驗結果表明：美國規范公式計算結果過于保守、可接受程度低；橋規公式、魏斯特加公式以及沙柯公式計算結果單一、適用范圍偏窄；空間數值模擬分析的結果與試驗結果比較接近，準確度高。
  6. Their learning and training rules have been analyzed profoundly and their abilities to approximate arbitrary nonlinear function have been testified and compared by the simulation. a new rbf neural network has been presented which uses a raised - cosine function as activation transfer function. it provides a wider generalization in comparison with gaussian rbf neural networks by simulation as well as strong approximation ability, fast convergence, a rule to select the parameters of the networks

    本文詳細研究了兩種典型的前向神經網路（ bp網路和rbf網路）的學習和訓練演算法，提出了一種新穎的基於緊支集餘弦函數的徑向基神經網路，其克服了常用的高斯型rbf神經網路雖具有緊支集但各基函數非正交的不足，其收斂速度快、網路參數選取有理論依據且相比于高斯型rbf神經網路具有更強的泛化能力，模擬驗證了其有效性。
  7. Now we shall list our contribution to the transportation problem : ( 1 ) expected value goal programming, chance - constrained goal programming model and dependent - chanced goal programming model of random transportation are constructed ; ( 2 ) expected value goal programming, chance - constrained goal programming model and dependent - chanced goal programming model of fuzzy transportation are constructed ; ( 3 ) expected value goal programming, chance constrained goal programming model and dependent - chance goal programming model of rough transportation problem are constructed ; ( 4 ) enlightened by liu ’ s thought that solve the uncertain programming with hybrid intelligent algorithm, we design a hybrid intelligent algorithm, that is, genetic algorithms based on simulation to achieve the approximate best solution of the nine above mentioned models

    得到如下主要結果: （ 1 ）建立了隨機運輸問題目標規劃的期望值模型、機會約束規劃模型、相關機會規劃模型; （ 2 ）建立了模糊運輸問題目標規劃的期望值模型、機會約束規劃模型、相關機會規劃模型; （ 3 ）建立了粗糙運輸問題目標規劃的期望值模型、機會約束規劃模型、相關機會規劃模型; （ 4 ）受liu等人提出的用混合智能演算法求解不確定規劃的思想的啟發，結合運輸模型的特殊結構，設計了一種基於模擬的、求解不確定性運輸問題的遺傳演算法。
  8. Based on an analysis of the mechanism of flow pattern alternation, approximate criterion for flow pattern alternation was formulated, and a numerical model was worked out for simulation of free overfall and submerged overfall alternation by combination of the above two models

    分析兩種不同水流形態的交替機理，建立兩種水流的轉換條件，聯立兩種不同形態的數學模型構成保水堰的堰流和滿流交替的非恆定流數學模型。
  9. The hspice simulation results indicate that the charging current is up to 2a and the precision of termination voltage is very high with the error only around 10 - 3. the efficiency is approximate 68 % when the ic is powered by fix voltage source and up to 95 % when the ic is powered by current limited source

    Hspice模擬結果表明，該晶元恆流模式下最大充電電流為2a ;對充電終止電壓的控制精度高達10 - 3 ;當採用恆壓作為電源時，充電效率為68 %左右;當採用具有電流限制功能的電源時，充電效率可達到95 % 。
  10. Artificial neural network ( ann ) is a approximate simulation of biologic nerve system, which is a network model with a special algorithm got from biologic prototype after abstractly research

    人工神經網路是對生物神經系統的近似模擬，是把生物原型通過理論研究抽象成為具有某種特定演算法的網路模型。
  11. Applying the above - mentioned method, the author developed an approximate developing - mapping system based on catia v5 using vb, realized the development computing of panel surface and auto - drawing of developed shape in catia, dealt with the problem : getting mesh data from analysis & simulation module of catia, picking up structure information data in iges, showing 2d developed model in catia

    應用上述幾何展開演算法，作者基於windowsnt 2000 xp系統和catiav5平臺用visualbasic開發了一套「不可展曲面近似展開和內部結構信息映射系統」軟體，簡稱demaps系統，實現了飛機壁板類零件的展開計算和展開圖形自動繪制。
  12. Monte - carlo method is called mcm for short. it is base on the probability theory and the computational mathematics, so mcm is also named statistical simulation approximate computation method

    蒙特卡羅方法（ mcm ）是基於概率理論和計算數學的，因此也稱為統計模擬近似計算方法。
  13. Approximate analysis of channel utilization is presented. simulation results show that the proposed protocol can support smart antennas effectively and provide high channel utilization and qos for voice and data traffics

    結果表明， qasama協議能有效支持智能天線應用，具有很高的通道利用率，並能為話音與數據業務提供良好的qos支持。
  14. A new model of structural approximate analysis based on rbf nn is proposed on the level of global simulation. the numeric tests show that rbf nn has very good calculate characters and it is more suitable for structural approximate analysis than other feed - forward nns, such as bp nn

    構造了一個整體模擬層次的基於rbf網路的結構近似分析模型，數值試驗表明， rbf網路比bp網路等前饋神經網路更適合於用來進行結構近似分析。
  15. The paper makes simulation studies into the field oriented control systems based on multiplayer feedforward networks and dynamic recursive networks respectively, and compares the convergence speed and approximate extent between the two learning algorithms

    對採用多層前向網路和動態遞歸網路的矢量控制系統分別進行了模擬實驗，比較了兩種學習演算法收斂的快速性和逼近程度。
  16. The contrasting analysis is carried out against approximate calculation, numerical simulation and the real measuring result of flow - in direction stress along the die - entrance in the rectangular drawing. it is considered that in the condition of non - uniform solution, part calculation has credibility to some extend

    摘要針對矩形盒拉深中凹模口流人方向應力的近似計算、數值計算和實際測量結果進行了比較分析，認為在尚未得到統一解的情況下，分割計算具有一定的可信度。
  17. The simulation proves the approximate method can greatly reduce the structural displacement. third, the adrc is used in the structural seismic response control

    2 、將時滯線性系統h _控制的近似方法應用到結構減振主動控制中。
  18. ( 2 ) the theory basis and realization methods of the computer simulation approximate approach are discussed in this paper

    （ 2 ）研究了計算機模擬逼近法的理論依據和實施的技術方法。
  19. However, the computer simulation approximate approach not only clearly indicates the changes of mechanism position, velocity and acceleration orientation by means of figures, but also obtains the closely same accuracy of the analytics without the boring calculation

    計算機模擬逼近法既能以圖的形式展示機構位置、速度加速度的方位變化，又能得到與解析法非常相近的求解精度，又不需推導繁瑣的解析公式。
  20. In this dissertation, the author has accomplished the simulation of the dtc system and analyzed the corresponding results. the software of the digital control system, in which the digital signal processor ( dsp ) is used, has also been designed in the thesis. the direct torque control scheme is studied in the paper, and the simulation models of hexagon flux control system and approximate circle flux control system are presented based on the application of matlab / simulink

    本文對異步電機直接轉矩控制變頻調速方法進行了研究，採用mathworks軟體公司為matlab開發的系統模型圖形輸入和模擬工具simulink對直接轉矩控制的六邊形和近似圓形兩種定子磁鏈控制方法進行了模擬，實現了有速度傳感器的直接轉矩控制系統的構建，從理論上證明了這兩種方法的可行性。
分享友人
分享到 Line

分享到臉書