重力正演法 的英文怎麼說

中文拼音 [zhònglìzhēngyǎnfǎ]
重力正演法 英文
gravity direct method
  • 重 : 重Ⅰ名詞（重量; 分量） weight Ⅱ動詞（重視） lay [place put] stress on; place value upon; attach im...
  • 力 : Ⅰ名1 （力量; 能力） power; strength; ability; capacity 2 [物理學] （改變物體運動狀態的作用） forc...
  • 正 : 正名詞（正月） the first month of the lunar year; the first moon
  • 演 : 動詞1 （演變; 演化） develop; evolve 2 （發揮） deduce; elaborate 3 （依照程式練習或計算） drill;...
  • 法 : Ⅰ名詞1 （由國家制定或認可的行為規則的總稱） law 2 （方法; 方式） way; method; mode; means 3 （標...
  • 重力 : [力學] gravity; force of gravity; gravity force; power of gravity; pull of gravity; gravitational...
  1. Study of sorbitol modified medium oil alkyd resin

    計算流體力學與傳熱中的多重網格塊修正演算法
  2. A regularization algorithm of the integral equation for an gravity anomaly inverse problem of faultage effect

    斷層模型重力異常反演的正則化演算法
  3. The asteroids are the most important small bodies in the solarsystem, and they mainly lies in the two locations - a main belt between the mars ' s orbit and the jupiter ' s and the near - earth space. the most feature of the orbits of near - earth asteroids ( neas ) is that the semi - major axes of the orbits are nearly equal to that of the earth or the perihelia distances are approximate to or even less than the mean distance between the sun and the earth, thus they could move into inside of the earth ' s orbit, so that they might close approach or even colliside with the earth ( or other planets, such as the venus, the mars, etc. ). the characteristic brings about some difficulties in the numerical research during their orbital evolution, which leads to the failure of the normalization technique in the general removal impact singularities of celestial mechanics methods and the symplectic algorithm which is successfully applied to the investigation in quality. by comparing the computation effects of several common numerical methods ( including symplectic algorithm ), and considering the nature of the movement of the small bodies, the corresponding treatments are provided here to improve the reliability of the computation

    小行星是太陽系最重要的一類小天體，主要分佈在兩個區域；火星和木星軌道之間的一條主帶和近地空間.近地小行星軌道的最大特點是其軌道半長徑與地球軌道半長徑相近，或近日距離接近甚至小於日地平均距離，其運動可深入到地球軌道的內部，這將導致該類小行星與地球（還有金星、火星等）十分靠近甚至發生碰撞.這一特徵給其軌道演化數值研究帶來一些困難，包括天體力學方法中一般消除碰撞奇點的正規化處理以及對定性研究十分成功的辛演算法都將在不同程度上失效.通過對幾種常用數值方法（包括辛演算法）計算效果的比較，根據小天體運動自身的特性，給出了相應處理措施，從而可提高計算結果的可靠性
  4. The main studies are as follows : ( 1 ) the hamiltonian mechanics and equations are deduced from the lagrange mechanics. the symplectic quality of the hamiltonian system is discussed. the formulations of the symplectic integrator method are constructed, especially the explicit symplectic schemes for the separable hamiltonian system and the symplectic partitioned runge - kutta ( prk ) method for the generic hamiltonian system

    本文對該方法進行了初步的研究和計算應用，具體展開了以下幾方面的工作： （ 1 ）從lagrange力學出發引入hamilton力學和hamilton正則方程的概念，討論了hamilton系統的辛性質，給出了構造辛演算法的基本原理，並重點介紹了線性可分hamilton系統的顯式辛格式和一般hamilton系統的辛prk方法。
  5. In this paper, the standard three - dimensional k - two - equation turbulence model which modifies the item of buoyant effect and simple algorithm are adopted, wall functions are used to deal with the boundary condition and a simplified method - box method is used to model the supply air boundary condition

    本文數值計算採用經過浮升力項修正的k -兩方程模型和simple演算法，壁面邊界條件採用標準壁面函數，風口邊界條件採用盒子方法。廠房內的氣流運動主要受風口出流動量的制約，因此選擇合理描述入流邊界條件的風口模型對數值模擬至關重要。
  6. Using cfx4. 3 code with finite difference and simplec methods, the temperature distribution of ladle lining baked at different preheating temperature of combustion gas was studied numerically and experimentally

    利用計算流體力學軟體cfx4 . 3 ，採用有限差分方法和修正的速度壓力耦合演算法simplec ，計算了某廠蓄熱式鋼包內襯的溫度分佈，重點分析了不同氣體預熱溫度下鋼包內襯溫度的變化規律，並進行了實驗驗證。
  7. The ability of global searching and extensive application in other scopes of genetic algorithm had proved that it is attracting goal for us to study how to apply genetic algorithm to network reconfiguration

    遺傳演算法的全局搜索能力和在其它領域的應用證明，研究遺傳演算法進行網路重構應該是有巨大潛力的。這正是本論文研究的初衷。
  8. The first part discusses the theoretic connotation and historical evolvement of power, taking the ex planation of power in different times and different countries into account, discussing that " serving people " still is the core tenet for leaders and cadres " coming into power under the greatly changed political and economical circumstances. the second part discusses the issue that how to make use of power correctly, discussing the following issues in turn : the impersonal political and economical circumstances of the use of power ; the four factors which often cause the happening of the mistakes of power - using ; the basic demands n principles and requirements of the use of power, and discusses the fundamental measure of the right use of power - - - - - - the establishment of systems, attaching more importance on the system of cadre and person, the system of decision - making of important matters, the system of supervision. at last the thesis discusses the safeguard of the right use of power - - establishment of professional morality of the leaders and cadres

    第一部分通過論述權力的理論概念及歷史演變，結合古今中外人們對權力的不同解釋，論述了我黨在執政環境發生重大變化的今天，領導幹部掌權用權的核心和宗旨依然是「執政為民」 ；第二部分論述了如何正確行使權力的問題，依次論述了權力行使的客觀政治經濟環境，權力得到正確行使的基本要求，導致權力運行失誤的四種經常性因素，以及保障權力得以正確行使的制衡性原則、公開性原則、法制性原則、自製性原則，並以幹部人事制度、重大問題決策制度與監督制度為重點論述了權力得以正確行使的根本? ?制度建設，最後討論了權力得以正確行使的有力保障? ?領導幹部職業道德建設，分別論述了幹部職業道德建設的主要內容及途徑。
  9. With the development of the electrical power enterprise and computer technology, it is important to design a highly efficient ， better maintainable and graphic interface based software package for power system analysis and computing in the paper ， the author put forward a kind of new sensitivity analytical method which take into account load characteristic to fix on the weak bus, and with example to prove the exactness of the algorithm ; developed the visual electrical power system analysis and computing and graphic sporting system, the software package was developed by using the idea of object oriented programming ， the method of class ' s inheritance ， polymorphism and virtual function, and set up equipment - chart element - the interreaction between class this make it easy to expand, maintain and replant

    隨著電力事業和計算機技術的發展，研製高效率、可維護性強、具有良好用戶界面的圖形化計算分析軟體成為電力系統分析計算研究的重要任務之一。本文提出了一種計及負荷特性的靈敏度分析方法來對薄弱母線進行確定，並用算例驗證了演算法的正確性；開發了圖形化的電力系統分析計算軟體和圖形支持系統，該軟體完全採用面向對象的設計方法，充分利用了類的繼承、多態性質和虛函數的方法，建立起設備圖元類之間的相互關系，使軟體具有高度的開放性、可維護性、可移植性。
  10. What the practical problems is often gotten is a single variable time series which has a time interval of t, reflect by a lot of interactive physics factor, containing the mark of all variates participating in movement, traditional time series analysis is to analyse going from this array to the form directly it ' s time develops, one dimension analysis loses useful information, the characteristics of phase space reconstruction method is to construct one dimension scalar quantity to high dimension vector, prop the geometry space of the state, show all dynamical information of system in phase space. the characteristic that just constructs again according to the phase space in this text, analyse the time series of responding, use the relevant knowledge of symbol dynamics and reconstruct phase space, put forward a kind of relation degree analysis method of the systematic mathematics model which has theory basis, so reach the correction of calculation mathematics model, make it accord with the actual systematic state

    實際問題中常常得到的是一個時間間隔為t的單變量的時間序列，它是許多物理因子相互作用的綜合反映，蘊藏著參與運動的全部變量的痕跡，傳統的時序分析是直接從這個序列去形式地分析它的時間演變，一維分析必然喪失許多有用信息，相空間重構方法的特點是把一維標量數據構造成高維矢量，支起狀態的幾何空間，在相空間中展示系統全部動力信息。本文正是根據相空間重構的特點，對響應時間序列進行分析，利用符號動力學、重構相空間等方法，提出一種有理論依據的系統數學模型關聯度分析方法，從而達到修正計算數學模型，使其更符合實際系統狀態的目的。
  11. Data warehouse is a hot research area in 90s its main motif is to provide the decision - maker a powerful tool : gathering the data in pure consistent, relevant pattern, and making use of the data in managing analyzing, data - mining purposec that means that the decision - maker can use the tool to understand, grasp the situation of the business from different directions and forecast the future of it when using data warehouse, the processing speed determines data warehouse ' s practicability and processing ability the hoc ( highway decision center ) system realized before solves some key problems about intermediate scale data, mainly concentrating data warehouse performance coefficient when using hdc in large scale data, it encountered processing speed problem then the settlement of this problem becomes a major research point so, based on the former research achievements, the present task is to construct the renowned data warehouse architecture and its relevant algorithms, then adapts the system to the large scale dataset with data mining functions c this paper is a part of the research in order to construct the powerful system, a key problem is to cope with the processing - speed problem and the data space problem, etc, - caused by the large scale dataset and magnificent dataset this is also the core in the present data mining research this paper ' s motive is to design and realize a decision - tree classifier in the data warehouse system for large - scale dataset

    大型數據倉庫的處理速度問題目前是制約其推廣應用的關鍵所在，也是這一領域的一個重要研究課題，也正是我們當前工作的重點：在前期研究工作的基礎上圍繞提高大型數據倉庫處理速度問題，建立改進的數據倉庫系統模型和相關演算法，開發出面向中級以上企事業單位的、具有數據挖掘和分析能力的大型數據倉庫系統。建立大型數據倉庫所面臨的關鍵問題，是如何妥善解決實際業務數據的大規模、海量特徵所帶來的處理速度和空間等問題，這也是當前挖掘技術研究必然面對的核心問題。本研究的目的是設計並實現大型數據倉庫系統中的分類數據挖掘工具? ?決策樹分類器，主要工作是在綜合了解現有決策樹分類演算法的研究情況的前提下，對決策樹演算法適應大規模數據集的問題進行探討，力求設計出能較好地適應大規模數據的分類器演算法。
  12. Abstract : in this paper, a variety of encryption methods for optical image security are comparatively studied. according to the different method, the encrypted image can be transformed into white or color noise. the encryption phase can be the random phase or the chaotic sequence as well as the calculated result by used of the phase retrieval algorithm. the image quality and the correlative recognition ability of decrypted image are affected by the different part of the decryption phase and the amount of high frequency or low frequency used in the process of decryption

    文摘:本文分析比較了多種實現光學圖象相位加密的方法，發現不同方法獲得的加密圖象有不同類型的噪音分佈.無論加密相位是隨機相位模板、渾沌序列的相位列陣，還是用相位重構迭代演算法計算的結果，它們都能起到加密圖象的功能.解密圖象的質量或被相關識別的能力與解密過程中所使用正確解密相位的不同部分以及高低頻分量多少有關，且其依賴程度是由不同的加密方法自身決定
  13. Considering the gravity and tectonic stress as the main factors of in - situ stress of rock mass, a multivariate regression method, based on 3 - d fem direct modeling, is summarized

    摘要介紹了基於三維有限元正演分析和將巖體自重及構造應力作為地應力的主要組成因素的地應力多元回歸反演方法。
  14. The emphasis on the applications of constrained regularization method is the identification of weight density distribution of hanging cable and rotating shaft, inversion of particle size distribution from light scattering data, the reconstruction of the atomatic radial distribution in exafs spec - troscopy

    其中，我們的重點是約束正則化方法在懸索與旋轉桿的重力密度識別、顆粒粒徑分佈的光散射反演、 exafs光譜學中原子徑向分佈的重構等問題中的應用，並同時進行了數值試驗。
  15. ( 2 ) a information weighting model based on the methods of pca and new ppa is presented. the combined model is set up on the principle of optimization. owing to the predominance of dealing with nonlinearity and uncertainty of wuirn net, the back - analysis model of information weighting is established by use of experts " ability of harmonization

    （ 2 ）研究了主成分法及新型投影追蹤演算法，建立信息賦權的正分析模型，並在最優化準則下，建立了信息賦權整合模型；基於偏差單元遞歸神經網路的處理大壩監測中非線性和不明確性等問題的獨特優勢，憑借專家對指標權重的協調能力，建立了指標信息賦權的反分析模型。
  16. As a project financed by yunfeng and ming tomb hydroelectric power station, the study on " mathematical model for dam safety monitoring and dynamic inverse model for underground power house " was conducted. according to the data observed in - situ, the under - fitting problems in regression models for dam safety monitoring were discussed, and the computational parameters and boundary conditions of underground structures were determined on the base of dynamic inverse mathematical model

    本文利用大壩運行監測資料和水電站廠房結構的振動測試數據，對水工建築物的正反分析模型中的相關問題進行了探討，分析了大壩安全監測回歸模型存在的欠擬合現象，建立了通用的結構動力最優化反分析模型，實現用戶優化演算法對復雜結構的直接調用和優化計算，在計算模型方法的基礎上對雲峰寬縫重力壩的安全狀況和十三陵抽水蓄能電站的動力反演問題進行實例分析。
  17. It is a combination of tikhonov regularization and algebraic reconstruction technique ( art ). it is found that the algorithm is stable and the influence of data fluctuation on image reconstruction is eliminated. furthermore, the qualities of the images reconstructed by using the proposed algorithm are improved

    建立了新的ert圖像重建演算法的數學模型，提出了一種將tikhonov正則化方法和代數重建演算法（ art相結合的組合型圖像重建演算法，研究表明該演算法是一種較為穩定的演算法，具有克服測量數據波動對圖像重建的影響的能力，同時模擬研究表明該演算法在一定程度上提高了圖像重建的質量。
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