模擬的關系 的英文怎麼說
中文拼音 [mónǐdeguānxì]
模擬的關系
英文
modeled relationship- 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
- 的 : 4次方是 The fourth power of 2 is direction
- 關 : Ⅰ動詞1 (使開著的物體合攏) close; shut 2 (圈起來) shut in; lock up 3 (倒閉; 歇業) close down...
- 系 : 系動詞(打結; 扣) tie; fasten; do up; button up
- 模擬 : imitate; simulate; analog; analogy; imitation; simulation模擬艙 boilerplate; 模擬電路 [電學] circ...
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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。This article takes the lagrange equation as the principle, establishes mathematics modeling to the inertia brake vibration when it brakes, then simulates it with matlab. this paper educed the relation equations between, which are the inertia brake ' s friction coefficient of the brake ring and the friction disk, the mean radius, the braking force, rotation inertia of the driving top and the spline shaft, spiral climbing angle of the brake ' s concave - convex helicoid, the mean effort radius of the concave - convex helicoid, elasticity coefficient of the spring, quality of the driving top and the spline shaft, rotations inertia of the brake ' s rotation part besides the driving top and the spline shaft, suppresses sleeve. provides the theory basis for the inertia brake structure optimization
本文以拉格朗日方程為理論基礎,對慣性制動器在制動時的振動進行數學建模,然後用matlab對其進行模擬,得出了慣性制動器在制動時振動角頻率分別與制動環和摩擦片之間的摩擦系數、制動力的平均半徑、主動頂和花鍵軸的轉動慣量、慣性制動器的凹凸螺旋面的螺旋升角、凹凸螺旋面平均作用力的半徑、彈簧的彈性系數、主動頂和花鍵軸的質量、慣性制動器除主動頂和花鍵軸外其他部分的轉動慣量和、頂壓套的質量等慣性制動器各零部件的物理參數之間的關系,為慣性制動器的結構優化提供了理論依據。Second, the starting and stopping behaviors under disturbed condition are analyzed and calculated by using the dynamic concentrative parameter model, which gives some advice to better prescribe refrigeration system and set theoretic foundation for carrying out automatic control of refrigeration system. third, the normal running process is analyzed and calculated by means of rational matching theory, which gives some advice on how to better understand the parameter change under steady state and the affection of inlet - parameter on evaporator. fourth, the simulation software with dynamic characteristic is designed, which can be applied to calculate thernio - parameter of cryogen, air humidity and frost thickness under different initial and boundary conditions, and to carry out dynamic simulation under conditions of dryness, wetness and frostiness, at the same time, to achieve detection and simulation at any stage from starting to stopping
本文的主要內容如下: 1 )對翅片管蒸發器結構特點進行分析,選取適當的微元控制體,就干、濕和霜工況下對每個微元分別進行傳熱傳質分析,基於經驗關系式確定霜的有關參數,對于霜工況下的霜生長建立模型,經適當假設,運用質量守恆、能量守恆和動量守恆方程建立適合動態模擬的蒸發器數學模型,為系統模擬奠定基礎; 2 )對蒸發在大擾動下的開、停機過程,運用動態集中參數模型進行分析和計算,為更好地描述製冷系統運行的全過程奠定基礎,同時也為製冷系統實現自動控制提供一定的理論基礎; 3 )對蒸發器正常運行過程,運用動態分佈參數和參數間定量耦合的觀點來分析和計算,為更好地了解穩態工況下各點參數的變化情況及各入口參數對蒸發器動態特性的影響即蒸發器性能對各參數變化的敏感性; 4 )編寫翅片管蒸發器動態特性模擬計算程序,可以計算不同邊界條件和初始條件下的製冷劑熱力參數、空氣溫濕度和霜厚度分佈場,實現對翅片管蒸發器在干、濕和霜工況下的動態模擬。Recent experiments have succeeded in obtaining oscillations from the new system, with frequencies of 66hz and 23hz for the cases with helium and nitrogen as the working fluids, respectively. the traveling wave system is expected to be one of the good candidates as a driver for pulse tube refrigerator, leading to a thermoacoustically driven pulse tube refrigerator without any moving component
還利用deltae對環路部分進行了數值模擬分析,著重討論了系統的起振臨界溫度與臨界加熱功率、效率與加熱溫度的關系、噴射泵的作用以及不同工質(氮氣和氦氣)的比較等,得出一些有益的結論。Furthermore, based on the proposed new charge pump circuit, a iv to 3. 3v high voltage generator which is used in analog switch circuit and a 3v to 10v high voltage generator which is applied to eeprom or flash memory are designed, the components and design thought of two high voltage generators are also discussed in detail. and the simulations of two high voltage generators are accomplished by tsmc 0. 18uw cmos technology ( t018u ), the outcome testifies that two high voltage generators that take the new charge pump as the core circuit have the higher performance
此外,基於新型的電荷泵電路,設計了用於模擬開關電路的1v到3 . 3v的高壓產生系統和用於flashmemory的3v到10v的高壓產生系統,詳細討論了兩種高壓產生系統的電路組成和設計考慮,並用臺積電0 . 18 mcmos工藝( t018u )對兩種高壓產生系統進行了hspice模擬,結果表明以新型電荷泵電路為核心的兩個高壓產生系統都具有較高的性能。The principle of the interleaver with output spectra similar to cosine function, based on mzi, is analyzed theoretically. by using the tandem of two mzis, we get the flattop spectrum ; last, grounding on the polarized light interference and multi - beam interference, we analysis the principle of bgti interleaver, and simulate the relations between output spectra and reflectance of g - t resonator. furthermore the flattop output spectrum of bgti interleaver is achieved
4 、分析了fmzi型interleaver濾波器的工作原理,其輸出光譜曲線為類餘弦函數;採用級聯fmzi方案,實現了interleaver濾波器的光譜平頂光譜輸出;最後,基於偏振光干涉和多光束干涉原理,分析了bgti型interleaver濾波器工作原理,模擬了g - t腔部分反射系數r與輸出光譜的關系,獲得了50ghzbgti型interleaver濾波器平頂化輸出光譜。Using ansys as analysis tool, and the influence of river water fluctuating on geoelectric observation data in different distance from riverway to geoelectric monitoring observe station is numerically simulated, and the relationship between error of observation data and distance from riverway to the stations is summarized
摘要利用ansys作為分析平臺數值模擬了觀測系統距河道不同距離情況下,由河水漲落引起的淺層局部電性非均勻性對地電觀測數據的影響,總結了觀測系統距河道遠近與觀測數據誤差大小的關系。Secondly, the artificial neural networks and mixed evolutionary computation are employed into the mathematical simulation of complex geological structure, and with gis and visualization technique, the method of geological digital 3 - d modeling and visualization is presented. so, not only the functions of making geological section and querying spatial information could be achieved, but also the spatial distribution of geological structures and their complex relationship could be described visually. thereby an interactive and convenient way for engineering geological design could be actualized
( 2 )提出了復雜地質構造數學模擬的神經網路方法與混合進化方法,並利用gis技術和可視化技術,深入研究了數字地質三維建模及其可視化方法,實現了地質三維任意剖切、信息空間查詢與管理等功能,從而為直觀描述地質構造的空間展布及其相互間的復雜空間關系,以及快捷、交互地進行工程地質設計提供了新的途徑與手段。In this research, the lime - fly - ash bound macadam was joined with steel fibers, glass fibers and polypropylene fibers with the contents of the lime, the fly ash and the macadam fixed in lab tests. the study focuses mainly on the split strength, compression strength, and modulus of compressive resilience and shrinkage property of the lime - fly - ash bound macadam enhanced by different kinds of fibers. based on the test, a detail theoretical analysis was made on the relation of mechanical property, dry shr inkage with the variety and the quantity of fibers, applying the theories of strength, dry shrinkage and the methods of statistics, curve mimesis and variance analysis
本論文主要是研究在同一種二灰碎石混合料(石灰、粉煤灰、集料的含量及比例相同)中分別摻入不同數量的鋼纖維、玻璃纖維、聚丙烯纖維,通過室內試驗對其抗拉強度、抗壓強度、抗壓回彈模量和乾燥收縮性能與纖維摻量和纖維品種之間的關系加以分析和研究,並在此基礎上根據二灰碎石強度形成機理、乾燥收縮機理和數理統計、曲線擬合、方差分析的方法分析纖維品種和纖維數量對二灰碎石的力學性能和乾燥收縮性能的影響,最後得出纖維對二灰碎石的強度、抗壓回彈模量、乾燥收縮有很顯著的影響,並提出了相應的建議。Based on the " fangsheng - i " robot fish of harbin engineering university auv lab, at first the analysis of the relations of pectoral fin ' s attack angle and lift in vertical plane is done in this paper, using the robot fish ' s hydrodynamic results by the panel method ' s, then setting up the motion model in vertical plane is done. finally animation the robot fish ' s motion in horizontal plane is finished
論文以哈爾濱工程大學軍用智能水下機器人國防重點實驗室的「仿生? 」號仿魚機器人為對象,利用面元法計算的仿魚機器人水動力結果,並分析了垂直面內胸鰭的攻角與升力的關系,建立了垂直面內的模型,根據軸變形模擬了仿魚機器人水平面內的直航和偏航。According to the relation between sea sickness and ship motion, the mechanism and hydraulic system of a platform of ship motion simulating for testing of sea sickness is designed by the working set of researching subject
根據暈船病與船舶運動的關系,課題組已經研製了針對暈船病測試研究的船舶運動模擬平臺機械結構和液壓系統。By the check - out, inspection and measurement to start construction the industrial art to this test pile with the examination between stake body mass and bearing power, made sure the stroke reasonable operation method drilling under the dissolved cavern geology term ; the pier foundation loading test expressed the lading and rub the lading that resistance drag a glazing for of relation, and to the borehole cast - in - place concrete pile in the karst terrain deliver with break the mechanism, the characteristic of bearing power, proceeding the spot test job of the full of result ; the test data expresses the stake side friction resistance to rises with a bat batch terminal friction resistance very important function, the of tip of pile resistance drag occupies the proportion very few
通過對本次試樁施工工藝的檢測和樁身質量及承載力的檢驗,確定了沖擊鉆在溶洞地質條件下的合理使用方法;基樁承載實驗表明了荷載與摩擦阻力之間的關系,並對巖溶地區的嵌巖灌注樁的荷載傳遞和破壞機理、承載力特性,進行了富有成果的現場測試工作;試驗數據表明樁側摩阻和支盤端阻起很重要的作用,樁端阻力所佔比例甚少。這與設計樁基時的計算模式相差很大,承載力也較設計增加;使用力學數值分析方法和有限單元法,對鉆孔灌注樁樁端下的巖體強度和結構穩定性方面進行模擬計算和定量研究。Then the structure description model of c4isr system, the edit tool and the integrative simulation platform are designed and implemented. moreover, the approach of analyzing data based on simulation in this thesis separates the analysis of simulation data from the simulation entirely. therewithal, whether a user builds the hierarchical model of evaluation or visualizes the data, he can define them himself after simulation finished
設計並實現c ~ 4isr系統結構描述模型編輯工具,提出基於模擬的數據分析方法將模擬數據分析與模擬的分離,無論是評價層次模型的建立還是數據可視化,均可以在模擬結束後由用戶自己定義,而且可以定義指標與模擬數據之間的關系,層次模型的計算也可以是非線性的或調用已經編制好的模型。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、電子元件( cpu模擬晶元)表面與環境溫度之差及通風、流速的影響進行了系統的測試,發現充液量與溫差的關系在負荷不變時呈拋物線分佈,其極小值點對應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發熱條件下晶元溫度小於40 ,能滿足長期正常工作。Considering the shape of quantum - wires, the modal x - ray diffraction of trapeze quantum - wire is established. the relationship between fourier transforms quantum wires shape and x - ray diffraction is presented to obtain the more exact info of parameters. so the fundamental characteristics of x - ray diffraction for quantum wire array are investigated
考慮到量于線的形狀,建立了梯形量子線的x射線衍射模型,得出量子線的形狀與x射線衍射之間互為傅立葉變換的關系,從模擬的結果得到更為精確的參數信息,從理論上認識了量于線陣列的x射線衍射的最基本特點。Flight simulator plays an important role in hardware - in - the - loop simulation, and a high - quality simulator is critical in developing a high - performance aircraft. flight simulator is very important to the aeronautics and astronautics industry. so, the study of advanced control methods for flight simulator ’ s system is of great social and economical benefit
飛行模擬轉臺是飛行器半實物模擬的關鍵部件之一,其品質的優劣直接關繫到模擬試驗的可靠性和置信度,是保證飛行器精度和性能的基礎,在航空航天工業和國防建設中具有重要的意義,所以對轉臺系統中控制方法的研究具有很大的社會效益和經濟效益。In corresponding chapter, it first describes the key concepts of system simulation, then points out the hot points and general conditions of research home and abroad, at last gives a prediction of its prospect
在相關章節中敘述了系統模擬的關鍵概念,它的發展歷史和應用的現狀,及當前國內外的研究熱點,並通過分析總結指出了模擬技術的發展前景。To our knowledge, for real flip chip packaging under the thermal loading, the paris equation obtained from experiment da / dn and simulation g is firstly reported here, and will be useful practically
本文在熱循環加載條件下對實際倒裝焊封裝給出實驗da / dn和模擬g關系的paris方程,屬首次報導。At the same time, in view of some deficiency of traditional modeling methods, a new approach to system modeling ? ultiresolution modeling and aggregation / disaggregation ? as been developed since 1980 ' s, and is now being used in the simulation and optimizing decision - making for large scale complex systems
針對復雜系統的特點,一種新的建模方法? ?多解析度建模及模型的聚合解聚日益受到人們的重視,並成為復雜系統建模和模擬的關鍵技術之一。According to the basal equation of synchronous generators, a simulation model of synchronous generators is developed by using simulink, which is a software package supplied by matlab and can be used to simulate and analyse a dynamic system
準確模擬同步發電機是飛機電源系統模擬的關鍵之一,本文分析、利用同步發電機的基本方程,用matlab提供的模擬軟體包simulink ,開發出同步發電機的模型。分享友人