條件響應模擬 的英文怎麼說

中文拼音 [tiáojiànxiǎngyīng]
條件響應模擬 英文
conditional response analog
  • : Ⅰ名詞1 (細長的樹枝) twig 2 (條子) slip; strip 3 (分項目的) item; article 4 (層次; 秩序; 條...
  • : Ⅰ量詞(用於個體事物) piece; article; item Ⅱ名詞1. (指可以一一計算的事物) 2. (文件) letter; correspondence; paper; document
  • : 應動詞1 (回答) answer; respond to; echo 2 (滿足要求) comply with; grant 3 (順應; 適應) suit...
  • : 模名詞1. (模子) mould; pattern; matrix 2. (姓氏) a surname
  • : 動詞1. (設計; 起草) draw up; draft 2. (打算; 想要) intend; plan 3. (模仿) imitate
  • 條件 : 1. (客觀的因素) condition; term; factor 2. (提出的要求) requirement; prerequisite; qualification
  • 模擬 : imitate; simulate; analog; analogy; imitation; simulation模擬艙 boilerplate; 模擬電路 [電學] circ...
  1. 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,對自適調制系統中的通道估計問題難點,詳細推導了平衰落通道下和選擇性衰落通道下最大似然( ml )估計和最大后驗概率( map )估計演算法,針對平衰落通道,我們了map估計和ml估計的方差與導頻符號長度的關系,結果表明,錯誤方差受多譜勒頻率的變化影最大,並且對實際的自適調制系統,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。
  2. Abstract : apply computer simulation to the distribution pattern of air - flow without considering the cold condition of the combustion and compare the flow patterns under different designed circumstances. and the effect of the design of the partition in the air way of the burner on the flow and mixture of gas and air is especially studied. the result shows that the design of partition plays a very important role in strengthening the mixture of gas and air, but increases the loss of the resistance in the air way and the total pressure of the air way in same working conditions needs increasing

    文摘:用計算機的方法,在不考慮燃燒的冷態情況下,研究了熱風爐燃燒室內的氣流分佈規律.在此基礎上,比較了2種不同設計方案的氣流流動特徵,尤其是研究了燃燒器空氣通道內阻流板的設置與否對空氣和煤氣的流動和混合的影.結果表明,阻流板的設計對加強空氣和煤氣的混合有著極為重要的作用,同時也增加了空氣管道的阻力損失,在同樣的工況下需要提高管道系統的總壓力
  3. So this base isolation technique has profound prospects. unfortunately there exist definite difficulties in the calculation because of the nonlinear of the base friction force. now, both the equivalent damping method and the numerical calculatin of the vibration response of the base - isolated buildings are frequently used in the calculation of the seismic response of the base - isolated building. however both of them have certain drawbacks. in this paper, the response of the building with base - isolation system is derived by the method of fourier expansion for the friction force and the earthquake response. at the same time, the sliding vibration character of inertia of a single mass structure and the sliding vibration response of a muti - mass structure are discussed. the stable condition of the sliding base isolation system of a structure is given. in the end, two circes of base fixation and base sliding are analyzed by adopting ansys

    本文利用對摩擦力和地震進行付氏級數展開的方法導出了基底具有摩擦隔震系統的地震反。同時,文中從研究單質點結構的滑動振動慣性力入手,進而對多質點結構體系滑動振動反進行探討,分別給出了結構滑動隔震的自身穩定。最後,本文利用ansys對基礎固定和基礎滑移隔震兩種工況進行了動力分析,進一步證實了基礎滑移隔規律。
  4. It shows that the injection quantity and the difference of temperature distribute as a parabola which is at the same load, and the minimum of the parabola corresponds to the optimum quantity of injection ( g ). under the condition that the quantity of injected mass, the air speed and the heat quantity is respectively g, v and q, the research demonstrates that the pentium iv chip ' s temperature variation can be controlled under 40c and work normally when the wind speed overpass 1. 5m / s and the power dissipation of the chip is 60w. otherwise this paper calculates the flooding limit of thermosiphon with several different methods

    對其充灌量、散熱量、電子元( cpu晶元)表面與環境溫度之差及通風、流速的影進行了系統的測試,發現充液量與溫差的關系在負荷不變時呈拋物線分佈,其極小值點對的充液量是最佳充液量g 。在充液量為g時,對風速v 、散熱量q進行的研究表明,當風速超過1 . 5m / s后,奔騰晶元在60w發熱下晶元溫度小於40 ,能滿足長期正常工作。
  5. Its main contributions include the following several aspects : firstly, the dissertation constructs the mathematic model of short baseline orientation determination using two geostationary satellites and analyses the applicable conditions of carrier phase interferometry. orientation determination precision is analysed in depth through both the conventional linearized method and monte - carlo computer simulation method, and the mathematical simulation results show that the linearized method has the shortcoming of fairly low elevation error analysis precision in high latitude area so as not to be very appropriate there. by analyzing the definite factors influencing orientation precision, the dissertation develops the concept of orientation dilution of precision, which uncovers the internal cause of exotic error behavior of bi - satellite orientation, and has important guiding significance for practical engineering applications

    本文系統地研究了基於「北斗一號」衛星載波相位干涉測量原理實現地球靜止雙星定向的相關技術,主要研究成果包括以下幾方面:首先,建立了利用兩顆地球靜止軌道衛星進行短基線定向的數學型,分析了載波相位干涉測量的適用;採用傳統的線性化解析法及蒙特卡洛隨機法兩種途徑對雙星定向的精度進行了詳細分析,數學結果表明在高緯度地區線性化解析法由於俯仰角誤差分析精度略有下降而不太適合;在分析定向精度確定性影因素的基礎上,提出了雙星定向精度衰減因子odop的概念,揭示了雙星定向誤差特殊表現的內部機理,對實際工程用具有重要的指導意義。
  6. In the paper, the finite element simulation software dynafrom is applied to analyze the affect of different blank holder during the forming process of laminose stepped tubular part, predict the possible defects such as wrinkle and break, obtain the rational style of blank holder avoiding the occur of defects and determine the rational configuration of die. the forming affect of thin - wall shallow stepped tubular part is analyzed when using different lubricate condition ( friction coefficient ). by this method, the relationship between friction coefficient and drawing depth of laminose stepped tubular part is obtained

    本文利用有限元軟體dynafrom分析了不同類型的壓邊圈對薄壁階梯筒形成形過程的影規律,預測了採用不同類型壓邊圈時可能出現的成形缺陷如起皺和拉裂,獲得了防止缺陷產生的合理壓邊圈形式,確定了合理的具結構形式;分析了不同的潤滑(摩擦系數)對薄板階梯筒形成形的影,獲得摩擦系數與薄板階梯筒形的拉深深度的關系;分析了階梯筒形成形過程中的不同階段的變分佈、毛坯材料厚度變化情況,並獲得了階梯階梯筒形能一次拉深成形的
  7. Based on it the electromagnetic response under different depths of the 3 dimensional geologic body with different resistivities, magnetic conductivities and dielectric constants is simulated

    據此,可計算任意具有不同電阻率、磁導率和介電常數的三維地質體在不同深度下的電磁
  8. In the second section, three ( 2 co2 ) scenarios only considering climate change alone ( c scenario ) were generated first, using outputs of the giss, gfdl and ukmo gcms, combined with the baseline. then, climate change scenarios including change in climate variability ( c + v scenario ) were produced, based on 3 hypotheses and the weather generator ( wgen ) in dssat. finally, the ceres - wheat model was run under both the ( c + v ) scenarios and the baseline, and the combined effects of climate change and its variability with doubled co2 on whiter wheat production in the studied region were assessed, based on the results simulated comparison

    在上述第2部分,首先利用baseline和國際上通用的3種大氣環流型( gcms )即giss 、 gfdl和ukmo的有關網格點值,生成了研究區域3種不考慮氣候變率變化的( 2 co _ 2 )氣候變化情景(以下簡稱c情景) ;然後,提出了未來氣候變率可能變化的3種假設,並用dssat (農業技術轉化決策支持系統)中的wgen (隨機天氣發生器) ,分別生成了研究區域( 2 co _ 2 )下兼顧氣候及其變率的氣候變化情景(以下簡稱c + v情景) ;再后,在上述( c + v )情景下分別運行ceres - wheat (作物-環境資源綜合系統-小麥) ,還考慮了大氣co _ 2濃度的直接影,並與baseline下ceres - wheat的值進行比較,在此基礎上評價了( 2 co _ 2 )下氣候及其變率變化對研究區域冬小麥生產的影
  9. In this step, first calculate the impulse press with the different triers, find out the influence of triers to the impulse press. then calculate the impulse press with the different pipeline system, hydraulic accumulator, supercharger and oil viscosity. at last, show the result in the forms of chart, also show the main character of the press curve

    最後根據相的數學型進行計算,先計算被試在不同規格參數的下的脈沖壓力結果,總結出被試對脈沖壓力波形的影;再計算管道系統、蓄能器、增壓器和油液的粘度在不同參數的下對脈沖壓力波形的影,以圖形的形式表示,並給出壓力波形主要特徵的計算結果。
  10. The efficiency of the pump are calculated and simulated ; the stability, quickening and sensibility relating to dynamic response are analysized ; the effects of some parameters on system performance are discussed and the way to improve performance is pointed out at the same time

    計算和了不同下對泵效率的影;分析了動態的穩定性、快速性和靈敏性;探討了系統參數對其性能的影,並提出了改善系統性能的途徑。
  11. Using vogel ' s wear index as the rail side wear index, the paper analyzes the side wear variations of rail head when the parameters in the wheel / rail system vary, analyzes the influences of track irregularity on rail uneven wear on gauge corner emphatically. this paper analyzes the rail side wear dates measured by track division of shan hai guan since 1990, then gains the relationship between side wear and traffic volume and sums up the characteristics and regularities in the formation and development of side wear. in the end, some measures for regarding the side wear on curves are put forward

    從輪軌摩擦、輪軌接觸幾何關系、輪軌接觸力和輪軌蠕滑等方面對鋼軌側面磨耗機理進行了探討,從軌道幾何參數、機車車輛運營等方面對鋼軌側面磨耗的影因素進行了重點分析和總結;用輪軌系統動力學,建立了輪軌空間耦合振動時變型,採用vogel側磨指數作為鋼軌側磨指標,系統分析了輪軌參數變化的情況下,軌頭側面磨耗的變化規律,重點分析了軌道不平順對鋼軌不均勻側磨的影;對山海關工務段1990年以後現場測得的曲線鋼軌側磨數據進行了分析,通過合得到了鋼軌側磨量與運量的關系曲線,並總結了曲線上股鋼軌側面磨耗的特徵和發生、發展規律;最後提出了一些減緩曲線鋼軌側面磨耗的措施。
  12. Second, we introduce a two - lane traffic model which is based on the ( 0, 2 ) and ( 0, 1, 2 ) models. we mainly study the coupling effect of lanes. in two - lane traffic, vehicles can change lanes and overpass. the interactin between lanes is considered as coupling effect. the computer simulation indicate that ( dthe current of the system with cupling is greater than that without coupling ; 0for a certain initial density, the average flow and speed are indepent on the coupling coefficient which is greater than zero ; when the initial densities ( speeds ) of lanes are different, the characters of traffic system will be different

    在單車道型的基礎上,建立v _ ( max ) = 2雙車道型,研究車道的耦合效。雙車道型中車輛可以進行轉道、超車,兩道之間有耦合作用。結果說明,有耦合時系統的流量比沒有耦合時大;在固定的初密度下,只要耦合系數b 0 ,兩道間的耦合強弱對流量和速度無影;兩道初密度分佈不均勻和速度分佈不均勻都能使交通系統特性發生變化。
  13. ( 2 ) a series of experiments on time scale distortion are made with real river model, inflow and outflow boundary condition, and continuous simulation. by means of analysis of the experimental data on model water level, water - surface gradient, cross velocity, outflow discharge process and the sediment transportation capacity, the main physical reasons for the above hydraulic parameters deviations caused by time scale distortion are illustrated : response delay of model channel storage capacity and rate of water level with time

    ( 2 )採用真實的河工型和入出流邊界控制以及連續的方法進行了有關時間變態率的系列試驗,通過型水位、比降、流速、出口流量過程線和斷面挾沙力試驗資料的分析,闡明了時間變態引起上述各種水力參數偏離的主要物理原因:型的槽蓄和洪水過程時間變化率的滯后。
  14. 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

    本文用計算機技術,在二維空間內採用單體凝聚和集團? ?集團凝聚兩種型對顆粒凝聚過程進行了,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參數,我們考察了絮體分形維數、密度和孔隙率隨變化的影規律,得到了形成特定形態絮體的控制參數。
  15. By compared with the simulation results and the experiment results, we come to the conclusions that : ( 1 ) circuit with assistant network can widen soft - switching extent in lagging arm, reduces duty - cycle loss on the secondary, diminishes switching dissipation of inverter spot - welding power source. ( 2 ) the range of resonant capacitor, the important factor to soft - switching process, not only affects zero - voltage turn - off of power switches, but also affects the range of zero - voltage turn - on of power switches. so resonant capacitors must be considered according to many aspects ; ( 3 ) it easily fulfils soft - switching condition in lagging arm as leakage inductance of power transformer increases, but bigger leakage inductance of power transformer increases opening dissipation of transformer and decreases efficiency of soft - switching inverter power source

    通過結果與軟開關點焊逆變器試驗結果的對比分析,得到了如下主要結論:採用輔助網路可以完全拓寬全橋軟開關逆變器的滯后橋臂軟開關范圍,減小了次級占空比丟失,降低了逆變電阻點焊電源的開關損耗;諧振電容是影軟開關工作狀態的重要因素,其大小不僅影開關管的零電壓關斷,同時也影開關管的零電壓開通范圍,因此,諧振電容該綜合考慮;功率變壓器漏感越大,越容易滿足滯后橋臂的軟開關,但是大的漏感也使變壓器的通態損耗增加,降低了軟開關逆變器的效率。
  16. Facing to the reduction of the water diversion from the yellow river for hetao irrigation district inner mongolia autonomy, and giving attentin to agriculture production and improvement of salinization, this paper researches optimization model of district water - saving irrigation water management. the paper also quests for the optimization model of crop irrigation system and the optimization irrigation strategy aiming at the short of water for agriculture. in order to save water and use water high efficiently, this paper researches the change regulation of irrigation system of spring - wheat that is the important crop in the irrigation districted establishes the multidimensional dynamic model of irrigation rules of spring - wheat. lt also makes the simulation model of salt leaching of fall irrigation rules during non - growing period, and sorts the elements influencing water - saving of irrigation system

    在內蒙古河套灌區的引黃水量減少又要兼顧灌區的農業生產和土壤鹽漬化向良性發展的形勢之下,本文針對灌區內區域灌溉水管理的現狀,對灌區內區域節水灌溉水管理優化型進行了研究。研究針對農業水資源短缺的現狀,在節水灌溉下,對作物的灌溉制度進行優化型探索,尋求最優灌溉策略。全文圍繞節水與高效用水,綜合用了系統分析、灌溉排水及節水灌溉的原理和知識,研究了灌域內主要作物春小麥的灌溉制度的變化規律,建立了春小麥灌水制度的多維動態優化型;建立了非生育期的秋澆制度的鹽分淋洗型;對節水灌溉水管理的影因素的重要性進行了排序研究。
  17. The new characteristics of borehole compensated ability of two transmitters and two receivers acoustic log system were given under a pulse resource and no attenuation ideal beds by numerical simulation

    摘要通過數值計算給出了點聲源、無衰減各種理想地層下雙發雙收聲系在不同擴徑層段新的聲速測井特徵規律。
  18. Nevertheless, as the simulating technology involves the integrated high - techs and knowledge of computers, networks, images and graphs, multi - medias, software engineering, information processing and automated control, the simulating system is affected by its own characteristic - featured conditions, running environment and training requirements, thus yielding many problems that exist in our marine engine room simulators being currently used. for example : the mers system has poor working stability and high rate of breakdown ; its viewing device is yet to be updated, as the true aspect of the engine room can not be seen during training ; the teaching display board can not display the running state of the system with 3 - d animations, neither can it change the dynamic flow chart, etc. the afore - said problems have been greatly retarding the seafaring teaching and training, and restricting the application value of mers, as a consequence

    但是,由於輪機技術綜合了計算機、網路技術、圖形圖像技術、多媒體、軟體工程、信息處理、自動控制等多個高新技術領域的知識,系統受到了其特有的制約、運行環境和訓練要求的影,現行輪機器在用中還存在著許多問題,如:輪機器系統工作穩定性差,故障率高;視景裝置落後,訓練中見不到機艙真面目;示教板不能用三維動畫來顯示設備運行狀態,不能更換動態流程圖等。
  19. By using nn analogue nature of roadbed mixture, we build a self - adapting mode considering various factors which analogue nature of roadbed under different conditions

    利用神經網路研究了路面基層混合料的性能,建立了一個考慮了各因素影的自適型,能很好地路面基層在不同下的性能。
  20. This paper implements differential formation of quasilinear differential equations, furthermore lumped equivalent circuit mode at boundary and constraints between voltage and current have been incorporated to find boundary conditions. because partial differential equations can transform into ordinary differential equations, it transforms telegraph equations into ordinary differential equations

    本文根據偏微分數值解理論用一階線性方程的差分格式,並根據電壓、電流在始端、終端上的約束關系,運用傳輸線集中參數的等效型確定邊界;最後計算得到波形。
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