simulation speed 中文意思是什麼

simulation speed 解釋
模擬速度
  • simulation : n. 假裝;模擬;裝病,裝瘋;【生物學】擬態,擬色。
  • speed : n 1 快,迅速。2 速率,速度。3 (汽車的)變速器,排擋。4 (膠片,照相紙)感光速度。5 〈古語〉興隆...
  1. Depend on the comprehensive analysis and study of the structure, principle, and exterior characteristic of the motor, through the methods of system modeling and digital simulation analysis, two kind of control device that work for the low voltage ( lvdc ) and the high voltage ( hvdc ) in avigation are researched respectively. point to the control technique of close - loop speed stabilization at a limited adjustment speed range, we bring out the close - loop speed control method that using the rotor position sensor indirectly measure the speed of the motor

    在全面分析了稀土永磁無刷直流電動機的結構特點、工作原理、運行方式以及外部特性的基礎上,通過系統建模和數字模擬分析,分別針對航空低壓直流( lvdc )和高壓直流( hvdc )兩種電動機構用永磁無刷電動機,在小范圍轉速連續調節下的閉環穩速控制技術進行了詳細理論研究,提出了利用轉子位置傳感器信號間接測量電機轉速進行電機轉速閉環穩速控制的策略。
  2. The method proposed in this thesis do well in solving the problems of multi - damping - ratio - spectra simulation. it is convenient to obtain the pareto optimal solution set of the multi - object question by using implicit parallel genetic algorithms and the method can meet the practical needs for simulating ground motions coinciding with multi - damping - ratio - spectra in seismic design. the crossing rate and variance rate are important parameters of genetic algorithms which affect the rate of convergence, the adapting rate of cross and variation in this paper can auto - adapt and according to stand or fall of current sample, it assures the sample approach to the pareto optimal solution set in fast convergent speed

    較好地解決多阻尼比反應譜擬合問題;本文方法通過一次運行就能獲得一組具有集系特性的地震動,在擬合多阻尼比反應譜的人造地震波集系的模擬方面有傳統方法所不能比擬的優勢,產生的人造波或人造波集系可滿足工程抗震設計需要;在遺傳演算法中,交叉概率和變異概率是影響收斂速度的重要參數,本文採用的改進自適應交叉概率和變異概率,可以根據當前樣本的好壞程度來自動地選擇適當的交叉概率和變異概率,以保證演算法始終以較好的速度向pareto最優解集逼近。
  3. The thesis focuses on the development of the dynamic simulation model of evaporators, the accomplishment of the stable and dynamic simulation of the parameters of cryogen - side, air - side and how to carry out dynamic simulation on the refrigerating effect of evaporators under different evaporating temperature and the realization of the analyses and calculations of the main parameters, such as, the wind speed of air - side and specific humidity etc, which affect the function of evaporators

    本文重點是對蒸發器建立動態模擬模型,並對製冷劑側和空氣側參數進行穩態和動態模擬,同時對蒸發器在不同蒸發溫度下的製冷量進行了動態模擬,而且對影響蒸發器性能的主要參數(空氣側入口風速、入口含濕量等)進行了分析和計算。
  4. The calculation of the37 # transonic compressor rotor shows that the simulation results of the author ' s multi - grid scheme fit fairly well with those of professor denton j. d. ' s, however, the author ' s converging speed is faster

    與nasarotor37的計算結果對比表明,本文多重網格演算法的計算結果與dentonj . d .的計算結果十分接近,而在提高計算效率方面比dentonj . d的多重網格演算法更加有效。
  5. In this dissertation, through computer simulation, the problems of modeling, control and guidance of auvs are presented. the first part of this dissertation addresses the problem of dynamically modeling of auvs, and derives thrusters " two - dimension nonlinear dynamic model, which has axial flow speed and propeller rotational velocity as two state variables, voltage or current of motor as inputs, and thruster force and torque as output. the second part focuses on the nonlinear adaptive sliding mode control of auvs in diving plane and steering plane

    本論文系統研究了自主式水下航行器的建模、非線性自適應滑模控制、以及深度調整和水平面導引方法等問題,具體成果和創新點如下1 、根據流體力學理論,建立了螺旋槳推進器的動態模型,它以螺旋槳來流速度v _ p和螺旋槳轉速n為狀態變量,以電機施加轉矩為輸入,螺旋槳推力t和轉矩q為輸出。
  6. Then following reality constituent of engine and connecting component interface, a nonlinear signal cylinder engine model has been created, though fire interval and fire order, a control - oriented four cylinders engine is build. following dynamometer is seen as load, performance of engine is simulated and researched under the condition of constant torque and speed, validation of the math and simulation model have been confirmed by comparison result between simulation with test result of engine performance simulation software dyno

    按照發動機的實際組成,根據各部件的介面類型連接模型庫中的部件,建立了單缸發動機非線性模型,在此基礎上,依據發動機實際發火間隔和順序,建立了面向控制的四缸汽油機模型,並以測功器為負載,通過恆轉矩和恆轉速方式進行了發動機性能模擬和研究,模擬結果和發動機動力性能模擬軟體dyno測試結果的對比驗證了數學模型和模擬模型的正確性。
  7. With the development of photography technology, the data of photography will increase, we have adopted segmentation of the data model to the display of the photography picture. we adopt technology of segmentation of mesne data, have solved the problem of carrying on the picture with slower processing speed, and make the performance of the 3d virtual simulation system promoted

    隨著航拍技術的不斷發展,航拍圖像的數據量將不斷快速增加,針對航拍遙感圖像的顯示,採用了數據模型的分塊。通過採用中間數據分塊技術,很好地解決了海量航拍圖像在進行處理操作中速度較慢的關鍵性問題,使三維虛擬系統的性能得到提升。
  8. Traffic accident simulation and control technology are simulating the environment and driving process, simulating the operation situation of accident vehicle on the road, making kinematic analysis based on data such as vehicle collision, stop location and collision narks, to determine the normally running line and the speed of vehicle before the accident, presume the collision speed course reversely, use 3d graphics technology to reappearance accidents process, provide scientific theory for the analysis of the cause, make corresponding protect safety technology and strategy

    交通事故模擬與控制技術是對駕駛環境與駕駛行為進行模擬,模擬車輛在道路上發生事故的運行情況,根據車輛碰撞位置和停止位置、車身碰痕等事故現場數據進行運動學分析,確定車輛在事故前正常行駛時的速度和路線,逆向推定碰撞車速及事故過程,應用三維圖形技術再現交通事故過程,為分析事故成因,提出相應的交通安全保障技術和策略奠定科學理論依據。
  9. In the algorithm, the concept is more clearly and more perspicuous. simulation results show the algorithm has more rapid convergent speed and high fitting precision

    該方法概念更加清晰,透明性強,模擬結果也表明了其有較強的收斂和逼近性能。
  10. Now with the development of computer control technique applied in it, computer control technique has had a profound influence on pneumatic system structure / control performance / control theory etc. this thesis deeply researches on the task - computer control smart high - speed pneumatic cushioning system. which mainly includes the design of mechanical structure / electronical circuit / pneumatic loop and the researches of system modeling / simulation / control strategy

    計算機控制技術和電-氣比例伺服控制技術的結合,更是對控制系統的性能、系統的結構以及控制理論等多方面都產生了極為深刻的影響。本文對計算機控制智能高速氣動緩沖系統進行了機械、電氣、氣路系統的設計以及系統建模方法、系統辨識研究和控制策略研究。
  11. The calculation methods of shelters ’ capacity and the discount method of road capacity under the situation of emergency evacuation were given. then, taking emergency evacuation of the beijing 2008 olympic games as an example, we make out the emergency evacuation preplan for olympic games. on the aid of the advanced computer system simulation techniques, using emergency evacuation simulation software to animate the whole process of olympic evacuation for the fist time, and got some key parameters that can provide decision making supports for decision - makers, such as, the whole evacuation time, the average evacuation speed etc. and the simulation results were analyzed

    本文首先分析了我國大城市的交通狀況和突發事件發生狀況,在分析國內外應急疏散研究現狀的基礎上,借鑒國內外應對突發事件應急疏散的經驗和教訓,結合我國大城市突發事件應急疏散的具體特點,提出了大城市突發事件應急疏散研究的總體框架,提出了突發事件應急避難所和應急疏散道路的選擇原則,給出了應急避難所的容量計算方法和疏散道路在應急狀態下的道路通行能力的折算方法;然後以北京2008年奧運會突發事件的應急疏散為例,制定了奧運會突發事件應急疏散預案,藉助先進的計算機系統模擬技術,首次利用應急疏散模擬軟體orems對整個疏散過程進行了模擬,得到了總體疏散時間、平均疏散速度等可以為決策者提供決策支持的關鍵參數,並對模擬結果作了分析。
  12. Through the simulation of large - scale circuit simulation proved that use the crossover tearing technology could detailed network structure, simplify the diagnostic process, and the neural network can parallel deal with the diagnosis information, and the logic operation can judge the information of the multi - fault. the illustrative simulation shows that it can increase the diagnosis speed and decrease the workload before test

    通過對大規模模擬電路的模擬證明,使用交叉撕裂明細網路結構,簡化診斷過程,且運用神經網路組對信息進行并行處理,邏輯分析運算對多故障信息進行處理判斷,大大提高了故障診斷速度,減小了測前工作量。
  13. From a numerical simulation on a practical possible mode : uniform acceleration - uniform speed - uniform deceleration, we obtain the relationship between the measurement error and the acceleration value

    以勻加速勻速勻減速運動為例,分析了測量誤差與加速度之間的關系,模擬結果驗證了該方法的可行性。
  14. The paper, which is based on the " research and development of the speed - up train ' s manipulation of optimization and train simulator " project, concerns the sound system in the train simulator. in the paper, the sound system includes two parts contents : firstly, improving the sound effect of the sound simulation system in the train simulator and enhancing 3d sound effect, such as sense of distance, sense of orientation, doppler effect etc, to make the sound of training environment more verisimilar ; secondly, realization of the speech communication in network between teacher and student in the train simulator

    本文是以鐵道部科技發展項目「提速列車優化操縱與機車模擬器研究開發」為依託,對機車模擬器的聲音系統進行研究:第一,對機車模擬器中聲音模擬系統的音效進行改進,增加3d音效,如聲音的距離感、方位感、多普勒效應等,使得訓練環境音響更加逼真;第二,實現機車模擬器中教員與學員間的語音網路通訊。
  15. On this basis, puts forward a kind of scheme and idea of displacement ventilation using in high - speed railway air - conditioned car, makes numerical simulation on the flow field of the car and calculates the pmv value of the typical section

    在此基礎上,提出了下送風用於高速列車空調的一種方案和構想,並對設計方案的流場進行了數值模擬與典型斷面的pmv值計算。
  16. The detecting and imaging processing scheme is presented and described detailedly. the typical computer simulation results are given and illustrate its validity. some problems such as receiving channels mismatch and blind speed are discussed and solved

    文中對動目標檢測和成像過程中存在的一些問題如接收機通道失配、盲速等進行了深入細致的分析,對盲速問題給出了有效的解訣方案。
  17. As to the stochastic simulation of stochastic biological processes, if only use stochastic petri net, although it has standard graphics expression, which is isomorphic to markov chain, along with the increase of models ’ scale and complexity, the number of states will increase exponentially, so it is very difficult to analyze models by the method which stochastic petri net has ; if only use stochastic algorithm, which has rapid simulation speed, but lack of intuitive graphical expression

    對于隨機生物過程的模擬,如果只採用隨機petri網模擬生物隨機過程,其優點是形象、直觀,缺點是隨著模型的規模和復雜性的增加,狀態的數量呈指數性地增長,出現模型狀態空間的爆炸問題,用隨機petri網本身的分析方法很難分析整個系統的性能;如果只採用隨機模擬演算法模擬,其優點是速度較快,但是缺少形象的圖形表達,不利於模擬技術的應用。
  18. We also explored many options in terms of parallel architectures, including workstation clusters, distributed memory architectures, shared memory architectures, and supercomputers. qualnet was implemented on shared memory for optimized simulation speed

    我們還研究了平行結構的許多選項,包括工作站群集、分散式內存結構、共享式內存結構和巨型計算機。為優化的模擬速度,
  19. So the thesis proposes that use stochastic petri net as the expression of them in the front - end, use gillespie - gibson algorithm to perform the simulation processes in the back - end. thus not only can express biological processes intuitively, but also obtain rapid simulation speed

    因此提出前臺用隨機petri網描述,后臺採用gillespie - gibson隨機模擬演算法進行模擬,進而分析系統的性能,這樣既保留了生物過程描述的直觀性,又大大提高了模擬的速度。
  20. This paper mainly introduce distribution and parallel vhdl simulation which use lots of processors to parallel simulate vhdl model circuit according to the parallel characteristic of circuit itself. so this method can greatly improve simulation speed. however, further research is needed

    本文主要介紹了并行分散式vhdl模擬演算法,根據電路本身的并行特性,這種方法使用多個處理單元并行模擬vhdl模型電路,因此可以極大的提高模擬速度,但是仍需要進一步的研究。
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