simulated time 中文意思是什麼

simulated time 解釋
模擬時間
  • simulated : 偽裝的，模仿的
  • time : n 1 時，時間，時日，歲月。2 時候，時刻；期間；時節，季節；〈常pl 〉時期，年代，時代； 〈the time ...
  1. The integral equations governing the three - dimensional viscous flow inside the turbo - machinery in the rotating coordinate system are presented in this paper, the viscous effects are simulated by the distributed body force described by professor denton j. d. the time - marching method and explicit finite volume difference scheme are employed to solve the flow inside the turbo - machinery

    本文給出了相對旋轉坐標系下葉輪機械內部三維粘性流動的守恆型積分型方程組，利用dentonj . d .教授的粘性體積力法來模擬粘性對葉輪機械內部流動的影響，採用時間推進法和有限體積差分格式對葉輪機械內部的流動進行求解。
  2. By comparing the dry plate pressures drop and distributions of velocities simulated on single valve with those of double valves, it was found that there was intense turbulence in the flow fields around fixed - valve, there were eddy areas between valve side orifices and tray wall, there were eddies above the valves too, these led to the complex behaviors of gas perforating valve, these had a great effect on the gas - liquid mass transfer process. at the same time, in order to prevent the disadvantageous effect of gas between one valve with another on the gas - liquid mass transfer, it was very effective to change the fields of gas perforating valve by folding the edges of valve

    通過對數值模擬得出的單閥和雙閥塔板的干板壓降及流場速度分佈分析對比后發現，固定閥周圍流場存在較強的湍動，閥側孔與塔板壁面區域以及閥體的上方空間存在明顯的渦流區，使氣體穿閥后的行為變得復雜，並對氣液傳質過程產生重大影響；模擬結果表明，為防止和削弱固定閥間的對沖造成的「死區」對傳質帶來的不利影響，通過折邊來改變氣體的氣路是非常有效的，模擬值與實驗值基本得到吻合。
  3. Downhole temperature profiles have been simulated under different conditions of fluid output, production time, off production time, formation parameters, geothermal gradient, bed thickness, welibore radius and so on, and simulation results are analyzed and discussed

    本文模擬了產液量、生產時間、停產時間、地層參數、地溫梯度、層厚及井筒半徑等不同條件下的井下溫度場分佈，並對模擬結果進行了分析和討論。
  4. Can technology traits are analyzed, and can technology is applied on the power factor dynamic compensation system. on the basis of analyzing thoroughly the theories and techniques, software module of power factor dynamic compensation system are classed and their time - period is analyzed. the techniques of real time sampling idle current and generating compensation current are simulated with software

    在分析電網的頻率特性和功率因素動態補償系統的性能特點基礎上，對功率因素動態補償系統的軟體功能模塊進行了層次劃分和時序特點分析；對無功電流實時檢測、無功補償電流的產生等技術實現了軟體的模擬。
  5. The three - order modulator has a 2 - 1 cascaded structure and 1 - bit quantizer at the end of each stage, the modulator is implemented with fully differential switched - capacitor circuits. and then, the discussion will begin by exploring the design of various circuit blocks in the modulator in more detail, i. e., ota, switched - capacitor integrator, quantizer, two - phase non - overlapping clock signal, etc., at the same time, these circuits will be simulated in spectre and hspice. at last, the whole cascaded modulator will do behavioral level simulation by matlab soft and simulink toolbox

    本論文中，首先介紹模數轉換器的各種參數的意義，以及一階sigma - delta調制器和高階sigma - delta調制器的原理;給出解決高階單環sigma - delta調制器不穩定性的方案，引入級聯結構調制器，特別針對級聯結構調制器中的失配和開關電容積分器的非理想特性進行詳細的討論;本設計的sigma - delta調制器採用2 - 1級聯結構和一位量化器，調制器採用全差分開關電容電路實現;同時對整個調制器的各個模塊進行了電路設計，包括跨導放大器、開關電容積分器、量化器、兩相非交疊時鐘等，並利用hspice和spectre模擬工具對這些電路進行模擬測試;最後，利用matlab軟體和simulink工具對整個級聯調制器進行行為級模擬。
  6. Shortwave channel is time varying transmission channel. it has dispersion in frequency and time domains. this characteristics hinds the data transmi - ssion at high speed and the correction of received data. in this dissertation i have analyzed the statistic characteristic of shortwa - ve channel, established the model of shortwave channel and simulated the rayl eigh fading distribution. the technology of spreading spetrum has been proved that it has the capability for anti - multipath and discerning multipath

    在短波通信中，由於通道的時間色散和頻率色散，引起多徑展寬和多徑衰落，前者限制了數據的傳輸速率，後者造成短波數據通信中出現突發錯誤，為了解決多徑效應對短波通信的影響，本文所做工作如下：首先詳細分析了短波通道的統計特性，建立其數學模型；其次分析了擴頻通信的特點，從理論上證明擴頻技術不僅具有抗多徑干擾能力，而且具有分離多徑的能力；介紹了傳統的rake分集合併技術的特點。
  7. The results showed the mass abrasion resistance of the wpc was not affected by the immersion time and the saltness of the artificial simulated seawater obviously

    研究結果表明：海水的浸泡時間和海水鹽度對塑木復合材料的質量磨損量均無明顯影響。
  8. 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。
  9. Abstract : the distribution of cooling air which is in the grille - brick of the inner combustion hot air stove has been simulated with three dimension turbulent mathematical model so as to find a method which is used to improve the distribution of cooling air in hot air stove. the influence of differential horizontal plates on the distribution of cooling air is discussed. the results show that original big circle round field of flow in the pillar - cavity is changed into full one - way field of flow and edges gas flow, at the same time, is increased by horizontal plates. there is a different function with horizontal plates and vertical plates. to make the uniform distribution of cooling air in the hot air stove, it is necessary that horizontal plates and vertical plates are used in a combined way

    文摘:應用紊流三維數學模型模擬內燃式熱風爐內冷風在格子磚柱中的分佈，尋求改善其分佈的途徑.討論了加設不同布置的水平導流板對氣流分佈的影響.模擬結果表明，在支柱空腔內加設水平導流板改變了原有大迴旋流場，使迴旋流變成大面積的單向流.通過在支柱空腔內加設水平導流板可以發展邊緣氣流，這恰好與加設豎直導流板的作用相反，水平導流板和豎直導流板的結合使用有望實現冷風在格子磚柱中的均勻分佈
  10. In this paper, besides the simulation of the normal physiological condition, ecg waveforms under pathological conditions due to cell membrane ionic channel mutation such of as long - qt syndrome, short - qt syndrome, t wave alternans and brugada syndrome also be simulated and researched, which validated this ecg model, at the same time be beneficial to further research on

    文中除了模擬正常生理狀態下的心電圖以外，對長qt間期綜合癥、短qt間期綜合征、 t波電交替和brugada綜合癥等幾種由細胞膜離子通道改變所引起的病態心電圖波形也進行了模擬研究，充分驗證了模型的正確性，同時也為進一步在此上進行疾病治療藥物的研究奠定了基礎。
  11. Moreover, hedgerow ecosystems were effective in controlling water and soil loss in june and august. under simulated rainfall, hemercoallis citrina baroni and p. rotation flligg hedgerow ecosystems had a significant effect on reducing water and soil loss in their later stages of plant growth, and there was a significant positive correlation between the effect on reducing water and soil loss and the rain intensities. moreover, hedgerow ecosystems decreased more soil loss than runoff, and the initial time of runoff incidences could well represent the water and soil conservation effects of hedgerow ecosystems

    Rotatumflligg ）植物籬笆生態系統年徑流量、年侵蝕量分別減少10 . 14 11 . 56倍和135 . 34 165 . 84倍；植物籬笆生態系統和大豆單作處理的徑流量、侵蝕量、可產生侵蝕的降雨量之間呈極顯著正相關，建立了相應的降雨產流、降雨產沙、徑流侵蝕模型，通過侵蝕雨量可以了解水土流失的發生特徵； 6月和8月份（多短時暴雨）水土保持能力較明顯。
  12. A transfer model is established, which can be used to study the interaction between the land surface physical processes of inhomogeneous region and the structure of atmosphere boundary - layer over urban and rural terrains. the model has simulated surface heat flux, surface temperature, temperature profiles, height of mixture layer and so on. and the differences between urban area, suburban area and rural area have been compared. this model mainly depends on the parameters below : surface albedo, surface roughness coefficient, moisture available coefficient of soil, thermal capacity and thermal diffusion coefficient of errain, cloudage. the result shows that this model can simulate the structure and eigenvalues of atmosphere boundary layer and their changes in a day. parameters used in this model aim at beijing city, and the time is at the beginning of september. to other cities, or other time, the parameters should be adjusted accordingly. in addition, being adjusted, the model can also be used for other homogeneous and inhomogeneous terrains

    模式主要依賴于以下參數和物理量：地面反照率下墊面粗糙度土壤的可含水量下墊面的熱容量和熱擴散系數雲量等參數。結果表明，本模式能合理地模擬不同地表熱量平衡地表氣溫混合層高度湍流交換系數湍流動能位溫廓線等，以及它們的日變化。該模式所取參數主要針對北京市，時間為九月初，對于其他城市，參數應作相應的調整。
  13. Thermal character of the exchanger was simulated during the frost time, considering both the frost model and the fan - coil performance curve under the engineering situation

    將結霜模型和風機性能曲線聯合起來考慮，在更加切合實際的情況下，模擬了換熱器在結霜工況下的熱力性能。
  14. The change of indoor contaminating material concentration is dynamical simulated by adjusting the flow of fiowrator. at the same time, the path formulas of simulate pollutant source is modified by experiment, and providing theoretical base for dynamic simulation

    通過調節轉子流量計的流量來達到動態模擬室內污染物質濃度的變化情況，並根據對實驗結果的修正得出裝配式潔凈室室內模擬污染源的軌跡方程，為動態模擬提供了理論依據。
  15. Then, the chaser ' s two orbit roots are selected as variable and visualizing the simulation by contour plot. this part of research draws the conclusion the same as the first part when the target ' s orbit is circular orbit, while the selected two variable can be wildly changed if the target ' s orbit is elliptical orbit. next, wait time before orbit maneuver is simulated

    其次，利用可視化的等值線圖研究了追蹤器軌道兩個參數為變量的情況下大范圍軌道機動問題，分析表明對圓軌道目標器交會機動時，追蹤器軌道根數不宜與目標器軌道根數相差過大，而對橢圓軌道目標器交會機動時，追蹤器軌道根數可選范圍較大，機動策略和方法富於彈性。
  16. Through consulting lots of relevant references, present research of direct drive volume control hydraulic servo system is summarized in this paper, the principle and character of this system are expatiated, the principle of vector control is introduced. at the same time, the mathematical model of ac asynchronous motor is set up based on the vector control theory. the mathematical models of both the pump controlled motor and pump controlled cylinder are set up and simulated in this paper

    在查閱大量國內外相關文獻的基礎上，本文綜述了國內外對該系統研究概況，闡述了該類系統原理和特點;闡述了矢量控制的基本原理，並基於這一原理建立交流異步電動機的數學模型;分別建立了泵控馬達系統和泵控缸系統的數學模型，並給出了模擬分析;設計了用於泵控馬達系統的集成閥塊，加工了密閉壓力油罐;針對現有直驅式電液伺服裝置所存在的問題，本文主要針對系統工作過程中所產生的噪音與爬行問題進行了一定的研究。
  17. It will improve analysis efficiency and experimental precision greatly if putting the photoelastic images gotten from experiment into computer, obtaining the isochromatic and isoclinic data automatically and writing it into database directly. but because of the limitation of time and the difficulty of drawing pure isoclinics from images, the paper has only shown the achievements presently and simulated a disk under diametral compression as foundation on further research

    把實驗中拍攝到的光彈性圖像輸入到計算機中，利用自動處理系統獲得等色線和等傾線等原始數據並將其直接輸入數據庫中，再依據本文提供的原理和方法求解結構的彈塑性應力值，可以大大的提高分析效率和實驗精度。
  18. Then, the problem of landing time decision for each plane was solved by disparting and uniting the " compact flights sequence ", and computational results were presented for simulated scenarios

    之後，通過「緊密飛機隊列」分合的方法求解降落時間，同時對提出的演算法進行了計算驗證。
  19. Theoretical analysis of a road simulated test of four - wheel vehicles in the field of time

    四輪汽車道路模擬試驗臺時域控制理論
  20. Object are checking the simulated time at a couple of points, and logging some durations to the

    僅僅是檢查幾個點上的模擬時間，並將持續時間記錄到
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