方程組簡化型 的英文怎麼說
中文拼音 [fāngchéngzǔjiǎnhuàxíng]
方程組簡化型
英文
reduced form of equation system- 方 : Ⅰ名詞1 (方形; 方體) square 2 [數學] (乘方) involution; power 3 (方向) direction 4 (方面) ...
- 程 : 名詞1 (規章; 法式) rule; regulation 2 (進度; 程序) order; procedure 3 (路途; 一段路) journe...
- 組 : Ⅰ名詞1 (由不多的人員組成的單位) group 2 (姓氏) a surname Ⅱ動詞(組織) organize; form Ⅲ量詞(...
- 簡 : Ⅰ形容詞(簡單) simple; simplified; brief Ⅱ動詞1 (使簡單; 簡化) simplify 2 [書面語] (選擇人才...
- 簡化 : simplify; facilitate; idealization; dilution; simplification; reducing; simplifying; [自動化] red...
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The complex nonlinear pursuit - evasion model of two spacecraft in near - earth coplanar orbit is simplified to linear model, the circular region the radius of which is equal to capture radius is defined as target set, capture is achieved when the evader come into the target set and the game is over ; the boundary of useable part ( bup ) is determined, and the analytical form solution of the linear equations is obtained by backward integration of the state variables from the bup, the linear barrier of the pursuit - evasion model and the optimum thrust of the both sides are thus obtained
本文將近地共面軌道內運動的兩飛行器非線性追逃模型簡化為線性模型,以捕獲半徑的圓域定為目標集,確定目標集邊界上的可用部分,並以此為各狀態變量的起點,對時間進行倒向積分,求得線性方程組的解析解,從而確定了該追逃模型的線性界柵,以及界柵上對策雙方的最優推力,即求得了滿足最優策略時相對運動的軌跡和推力。Secondly, this paper made some theoretic researches on its engineering classfication and applicable scope for this technology ; then combining with project example, this paper carried out scheme design for this technology, and compared some different kinds of underpinning scheme and node and structure design, and put forward the method of " reinforcce steel bar through column " to build pile cap beam, " resistant bend and shear anchored reinforce steel bar " to strengthen column consolidation effect, and the method of " steel plate hoop " to build reinforcing bar connection of the foundation beam, etc. in the process of the consturction scheme research and implement, this paper synthetically elaborated the organizaton for project construction, put forward the construction technical measure of specific aim on the artificial pile, and pile cap beam, and underground adding layer and structure stabilization, and overall structure stabilization and so on. for this project, adopt reinforcing bar concrete to brace hole wall to ensure the safety of engineering in the artificial pile construction, use flexible connection catch to make the cage hoisting easier to simplify the construction process, use the method of earthwork statified symmetrical balance in the process of underground adding layer excavation
本文首先對于基礎托換與結構加固技術的目的和意義、國內外發展狀況進行了綜合闡述;其次對該項技術工程分類及適應范圍進行了理論上的分析研究;然後結合工程實例對該項技術進行了方案設計,對比幾種不同的托換方案和節點及構造設計,提出了「通筋穿柱法」做承臺梁, 「抗彎抗剪錨筋法」強化柱加固效果, 「鋼板箍法」做地基梁鋼筋連接點等多項技術;在施工方案的研究和實施過程中,對于工程施工組織進行綜合闡述,並就人工挖孔樁、承臺梁、地下加層及結構加固、整體結構穩定等專項施工方案提出有針對性的施工技術措施,人工挖孔樁施工採用鋼筋砼護壁確保挖孔樁的安全成型,使用柔性連接鉤進行鋼筋籠吊裝簡化施工工序;承臺梁施工採用梁主筋橫穿柱身化學膠錨固等;地下加層綜合施工技術採用土方分層對稱平衡開挖,分段挖土做筏基結構自穩等;最後對于該工程實施后的效果分析,說明該項綜合施工技術的可行性。The manufacturability includes many aspects, such as geometry structure of parts, the rationality of the tolerance specification, fixturability and the assemblability etc. in the research, the main research topics are focused on the following aspects : the study on the incremental evaluation approach during the detailed design process, the study on the entireness evaluation after the design has completed and the study on the fixturability evaluation of the machined parts for modular fixture
本文的研究內容主要涉及以下幾個方面:詳細設計過程中的可製造性逐步評價方法、基於簡化加工工藝規劃的整體可製造性評價方法、面向組合夾具的零件可裝夾性評價方法等。在本研究中,零件的設計方案以b _ rep實體模型表示,零件的公差和表面質量以實體模型中各個相關面的屬性表示。According to the guidline, two nd : yag lasers have been designed and set up, one is end - pumped by lower output power ld using a selfoc micro lens, and the other is end - pumped by high output power ld using a pair of lenses are designed, and the characteristics such as output power and power stabilization of both solid - state lasers are investigated. thirdly, when an empty liquid crystal cell is inserted in the cavity of the nd : yag laser pumped by high power ld, the laser can operates in single axial mode. finally, according to the relationship between the laser output power and the longnitudinal a ld - end - pumped nd : yag laser sensor for displacement measurement has been investigated theoretically and demonstrated experimently, the results indicate that when the mean radius of pumping inside the laser cavity is far less than that of the oscilating laser mode, the exponential of the output power is a gauss function of the longitudinal positon of focused spot of ld pumping beam, both the measurement range and the sensitivity are dependent on the incident pumping power, as the incident pumping power is increased, the measurement range is enlarged and the sensitivity is improve d
本文首先介紹了ld泵浦nd : yag激光器的發展狀況、主要特性及其應用,從四能級速率方程出發,推導了ld泵浦nd : yag激光器的閾值、輸出功率和斜效率的表達式,並簡述了激光器的工作原理、結構型式和倍頻方法;其次,以空間相關的速率方程為基礎,提出了ld端面泵浦nd : yag激光器的設計方法,給出了一定泵浦耦合方式下,振蕩光模尺寸、最佳輸出耦合率、泵浦光模尺寸、泵浦光焦斑位置等參數的選取依據,以此為依據,設計了自聚焦透鏡耦合小功率ld泵浦nd : yag激光器和透鏡組耦合高功率ld泵浦nd : yag激光器,對激光器的輸出功率和功率穩定性等特性進行了實驗研究;再次,在帶尾纖輸出的高功率ld泵浦nd : yag激光腔內插入一隻空液晶盒,觀察到了激光器以單縱模運轉;最後,根據泵浦光焦斑端面位置對激光輸出功率的影響規律,提出了ld端面泵浦nd : yag激光位移傳感新方法,並進行了理論和實驗研究,研究結果表明:當激光晶體內泵浦光平均光斑半徑遠小於振西安理工大學碩士學位論文蕩光束腰半徑時,激光輸出功率的自然指數與泵浦光焦斑的縱向位置成高斯變化規律,測量范圍和靈敏度依賴于泵浦功率,隨著泵浦功率的增加,測量范圍擴大,靈敏度提高,當端面泵浦功率為7 . 24w (最大輸出功率為1 . 926w )時,激光位移傳感器的測量范圍和靈敏度分別是13 . 045mm和0 . 148mw / pm 。We use rac ( radial alignment constraint ) of imaging process to decompose camera parameters. by organizing the solving sequence of the parameters rationally, we can obtain all parameters through solving systems of linear - 3 - abstract equations. accordingly we have changed the situation that ? he former camera calibration rac methods should depend on the non - linear optimization and has strict requirement to illumination, the situation that the calibrating distance is too short
演算法考慮到攝像機模型中的一階徑向畸變,巧妙地利用成像過程中的徑向約束( rac )分解攝像機參數,同時通過合理地組織參數的求解次序,使得經由求解線性方程組就可以得到全部的攝像機參數,從而改變了以往攝像機rac標定方法依賴于非線性優化,以及對光照條件要求嚴格和標定測定距離短的情況,使得rac方法較以往的演算法更為精確、快速、簡便,並且更加具有推廣價值。Target state estimater ( tse ) is an important and indispensable part of integrated flight and fire control system ( iffcs ). this article takes the ground mobile object as the study model. it established the system state equation and observation equation from the perspective of promoting system accuracy, simplifying the calculation and facilitating the engineering realization, the tse was set up by using the kalman filtering calculation method in the wake of linearizing the observation equation to make it adapt the precondition
目標狀態估計器是綜合飛行/火力控制系統中的一個重要組成環節,本文以地面機動目標為模型,從提高目標估計精度、簡化計算以及便於工程實現為出發點,建立目標的狀態方程及觀測方程,並對其進行線性化,利用自適應卡爾曼濾波演算法構造目標狀態估計器。In the research task supported by the key technologies r & d program in the 9th five - year plan of jiangsu province, the study focuses on the nc milling programming software development method and the corresponding algorithms on the basis of acis. by using the development interfaces provided by acis, the author has made some innovation to tool path generation algorithms. based on acis, a new set operation method of loops is presented in this paper
藉助acis提供的開發介面實現對一些刀具軌跡生成演算法的創新:提出了一種基於acis的環集合運算方法,該演算法充分利用了acis的功能,使演算法實現過程大大簡化,並提高了演算法效率;設計了一種加工區域識別演算法,該演算法可以識別出由存在復雜嵌套關系的多個型腔環和島嶼環組成的零件幾何模型中的待加工區域;提出了一種實體精加工刀具軌跡生成演算法,該演算法可以自動計算出待加工零件在一個加工方向上所有的刀具軌跡,從而在某些情況下,大大方便數控編程人員完成nc代碼的生成。In the studying of the dielectric recovery mechanism, the dielectric process of high - power repetitive gas switches was analyzed theoretically, the conditions of full recovery of dielectric capability, and some qualitative results were obtained. then, a dynamic mathematical model of the dielectric recovery process was made, and a group of equations, including mass conservation equation, momentum conservation equation, energy conservation equation and state equation, were built. also, a mathematical model of the dielectric recovery process of a axially - blown gas spark gap, and a group of simplified hydromechanical equations were made
在絕緣恢復機理研究中,首先對高功率重復氣體火花開關絕緣恢復過程進行了理論分析,提出了開關絕緣強度完全恢復的判據,得到了一些定性結論;然後建立了一般吹氣式氣體火花開關絕緣恢復的動態數學模型,得到了包括質量守恆方程、動量守恆方程、能量守恆方程和狀態方程等的一個完備方程組;建立了縱吹式氣體開關絕緣恢復過程的數學模型,得到了一個簡化流體力學方程組。The strength is a main mechanics performance index of the concrete. it has always been a focus of material scientific research of concrete. models about mechanics characteristic of concrete were mostly the understanding based on material macroscopical level of concrete in the past. its main characteristic turns the material ideal with heterogeneous, nonuniform nature into the even, continuous body and carry on modeling. this kind simplified and met project practice ' s demands to a certain extent, but it is difficult to study the influence produced toward strength of material of structure of the microcosmic or the mescoscopic within the concrete material with this kind of method
以往有關混凝土力學特性的模型大多是基於混凝土材料宏觀層次的認識,其主要特點是把具有多相、非均勻性質的材料理想化為均勻、連續體進行建模,這種簡化盡管在一定程度上滿足了工程實踐的需要,卻難以用這種方法來研究混凝土材料內部微觀或細觀結構對材料強度所產生的影響,不能說明材料內部結構如孔結構變化時強度的變化規律,也不能用於指導如何改進材料的組成和微觀結構而達到提高混凝土強度的目的。In this article, constituting some the equations which reflect the flow law and building and applying many mathematical models of physical and chemical reactions in the the plasma ignition : applying k - two equations turbulence model to calculate the turbulence parameter supplying simplied reaction systerm model and applying eddy break - up model and p - i thermal radiation model. with these reasonable simplied modles, numerically simulating the flow field in the plasma ignition. during the numerical simulation, applying the body - fitted coordinates for the complex geometry of the computional field ; using the mixing format to disperse the equations ; applying simplec algorithm method to solve the equations ; using above models and methods, it can get flow field distribution ; including temperature, pressure, turbulent kinetic energy and its dissipation rate, turbulent viscosity, velocity, density. these results are significant to design and improve the plasma ignition
本文旨在通過構造反映等離子點火器內部流動規律的基本方程組,建立描述等離子點火器內部的復雜物理化學過程機制數學模型:模擬等離子發生器內部燃燒的-雙方程湍流流動模型;模擬氣體燃料在燃燒時中化學反應的簡單化學反應系統模型;模擬等離子點火器內部湍流預混燃燒的漩渦破碎模型;模擬等離子點火器高溫燃氣及其壁面的p - i輻射換熱的模型等等,對模型進行一定的合理的簡化,然後數值模擬等離子點火器內部流場的流動。Firstly, the contributing factors leading to reignition and over - voltage are briefly discussed. then, with the aid the systematic simplified model and circuit equation, the thesis analyzes in detail the types and range of over - voltage of the capacitor banks under different circuit and switching conditions. the damage and the expected control level are identified
論文首先簡要論述了重燃現象及過電壓的成因;然後藉助系統簡化模型和電路方程,具體分析計算了不同電路和操作條件下投切電容器組過電壓發生的類型和幅值,明確了危害的程度和需要控制的目標水平。But in the process of lessening the decoupling degree, the ranks of equivalent controlled channels will be augmented. thus, the reduced model is exploited in decoupling process in order to resume the plant prosperity which are distorded. it has greatly lessen the difficulty in group decoupling
本文結合生產實踐,在分析系統耦合度的基礎上,利用分組解耦來弱化系統的耦合度,並利用模型降階方法簡化解耦網路模型,較好地解決在逐次弱化過程中使解耦后的等效控制通道的階次增大的問題。If the technicians applied technology in the wrong, even achieving the business logic, but probably leading to many vices including low performance, low scalability, close coupling, low software duplication. so how to assemble the j2ee technology reasonable and achieve a system with high performance and high expansibility is my research emphasis in the thesis. in order to solve the problems and implement efficient web application, the paper put forward ejs _ mvc model according mvc pattern and we can assemble component by using ejs _ mvc model, it can solve many problems of web application and improving system with clear flow and clear function partition, in addition, due to controller is the most importance in the ejs _ mvc model, so the thesis also discuss some problems about controller design ; if the model is not designed accurately, system performance will encounter fatal influence, so the article lucubrate ejb technology from ejb choice, ejb optimized design, database access, design pattern etc and bring forward some strategies and methods about how to build efficient business tier ; finally based on ejs _ mvc model, a example that contains simple business logic is developed according to the object - orient software engineering thinking and some strategies and methods proposed by the thesis, in the process of achieving system function, the emphasis is probing into how t o assemble and apply technology reasonable and providing a new thinking thread and method contributing to build high effective and flexible j2ee application
由於j2eeweb應用是由組件組成,因此為了解決上述問題,實現高效的應用,本文首先從如何合理組合組件入手,找到一種方法使各組件能具體分工而又緊密合作,在深入研究各組件基礎上,根據mvc模提出了ejs _ mvc模型概念,指出可按此模型組合各層組件,該模型可以解決傳統web開發中存在的問題,而且具有系統流程與系統功能劃分清晰,可擴展性、可維護性強等優點,另外由於控制器是ejsmvc模型的重中之重,它起到承上啟下的作用,它設計好壞直接關繫到整個應用的性能、伸縮性與擴展性,因此又探討了控制器設計的有關問題;另外如果模型設計不當的話,對系統性能造成的影響可能是致命的,因此本文又從ejb組件選擇、 ejb調優設計、數據庫訪問和設計模式等方面對ejb技術作了全面的分析研究,指出在業務層中如何避免太多網路遠程調用和提高業務層性能,特別是根據前面的分析總結出了業務層的優化分層組合模型,這個模型的使用無疑會使業務層具有較高的性能與伸縮性;最後選擇一個業務邏輯較簡單的系統,使注意力集中到運用的j2ee技術上來,按照ejs _ mvc模型與軟體工程流程以及本論文所提出的方法與策略實現業務邏輯,在實現過程中具體探討如何合理運用組合技術,就多層j2ee體系結構的設計思想作深入的探討實踐,為實現高效、靈活的多層j2ee應用提供一種新的思路及方法。Abstract : a thermo - economical diagnostic mathematical model for pressurizedwater reactor ( pwr ) nuclear cogeneration plant is proposed based on heat assignment method. this model simplifies the calculation of thermal system and can be used to calculate the index variations caused by heating steam parameters as temperature, return percentage and return place of the return water. some examples are given to show the usefulness of this model
文摘:基於熱電聯產機組熱量法分配的特點,建立了熱電聯產壓水堆機組熱力系統發生變化對熱經濟性指標影響的計算模型,提出了供熱系統參數? ?供熱回水率、回水溫度、回水地點變化對壓水堆機組熱經濟性影響的定量診斷數學模型,可將復雜的熱力系統全面計算簡化成3個一次方程.通過實例計算,驗證了所提數學模型是正確可行的,同時具有概念清晰、計算簡捷的特點Finally according to the load - capacity superposition concept, a simplified design equation for determination of the load capacity of circular composite columns with h - shaped and box - shaped structural steel is proposed. through comparison with the accurate computer - based method, it is found that the proposed simplified equation is accurate enough and can meet the requirement of practical applications
同時基於承載力疊加的概念,提出了配置工字型和箱型結構鋼的圓形截面組合柱在單向和雙向偏壓荷載下的承載力簡化計算公式,通過與精確的計算機數值迭代方法的比較發現,當荷載偏心較小時該簡化計算公式具有足夠的準確度,能夠滿足工程應用的要求。Based on the above contribution the method is used to evaluate the accuracy and limitation of the simplified design methods proposed by the chinese jgj 138 - 2001 specification and yb9082 - 97 specification, which are only suitable for concrete encased composite columns of rectangular cross section with doubly symmetric structural steel. several valuable conclusions and suggestions for practice design are obtained
在此基礎上,利用計算機程序對國內兩個組合柱設計規程,建設部頒布的《型鋼混凝土組合結構技術規程》 ( jgj138 - 2001 )和冶金部頒布的《鋼骨混凝土結構設計規程》 ( yb9082 - 97 )中建議的配置對稱結構鋼的矩形截面型鋼-砼柱的簡化設計方法進行了分析和評估,獲得了一些對工程設計有價值的結論和建議。According to the practical situation of production logging in fields, simplification of the functions are introduced so that the basic mathematical model of the oil / water two - phase profile interpretation based on temperature and flowmeter logs as well as its characteristics has been presented
根據現場生產測井實際隋況,對該方程組進行了簡化求解,從而提出了利用流量、溫度信息確定油水兩相產出剖面的基本數學模型,並對模型的數學特點進行了分析。It is a powerful way to improve the cost performance ratio by integrating several kinds of navigation systems. the sins / casp / tans integrated guidance system has been researched, including constructing models of subsystems and integrated system, designing the federated filter, analysising the fusion scheme with the inconsistent subsystems. also a simple algorithm for the federated kalman filter is presented
3 、研究了捷聯慣導北斗星地形輔助組合系統的實現問題,建立了各子系統及組合系統的模型方程;設計了組合系統聯合濾波器;研究了子系統不同維情況下的兩種濾波融合方案;提出了一種組合濾波簡化演算法;對濾波實現中的具體問題進行了探討,並給出了相應的解決方案。Thirdly, this article concludes the main equation set by the means of two - control - volume, and then defines the non - solution variable quality, and finally simplifies the main equation set
3 、用兩控制容積模型建立方程,推導出主導方程組,對非求解變量進行了確定,同時對主導方程組進行了化簡。Then introduce some corresponding research work on water modeling briefly, expatiate the generating method of water wave in chapter 3, viz. simulate water wave with physical modeling method. we use the integrated kinetic equations, take wave as countless compact water columns, simplify the top surface of these columns, and get the numerical result
論文完成的主要工作包括:在第二章介紹了相關的研究背景之後,第三章首先簡要介紹了目前對水波模型生成所做的研究,在此基礎上,作者採用武漢理工大學博士學位論文完整的動力學模型方程組,將水波當做無數緊密排列的水柱,對水柱的頂平面高度進行簡化、求解,從而得到波形模型。分享友人