有限擾動 的英文怎麼說

中文拼音 [yǒuxiànrǎodòng]
有限擾動 英文
finite disturbance
  • : 有副詞[書面語] (表示整數之外再加零數): 30 有 5 thirty-five; 10 有 5年 fifteen years
  • : Ⅰ名詞(指定的范圍; 限度) limit; bounds Ⅱ動詞(指定范圍, 不許超過) set a limit; limit; restrict
  • : Ⅰ動詞1 (擾亂; 攪擾) harass; trouble 2 (客套話 因受人款待而表示客氣) trespass on sb s hospital...
  • 有限 : limited; restricted; finite; a little; not much
  • 擾動 : excitation; turbulent motion; turbulence; destabilization; [物理學] perturbation motion; [地質學]...
  1. Integrating the power flow program with the tools matlab simulates the transient response of the distribution networks with the direct combination wind generator under disturbances, it provides the credible rationale to the research on stability and maximal penetrable power

    本文結合配電網潮流程序,利用matlab作為模擬工具,模擬包含直接並網風能轉換系統的配電網路在受到情況下的暫態響應,對含風電場的電力系統穩定性研究及風電場極穿透功率的研究,提供了可靠的理論根據,重要的現實意義。
  2. Finally, convergent geometry had an important effect on the perturbance coupling between the interfaces of the finite fluid. the attenuation factor of perturbance coupling from the outer interface in was greater than the one from the inner out

    本文研究表明:收縮幾何效應對厚度流體的界面之間的耦合重要影響,柱和球幾何中耦合從外界面到內界面的衰減因子大於從內界面到外界面的情況。
  3. In this paper, the finite - element numerical analysis calculation is applied to the foundation of high - rise and multi - floor building and the evolvement law of stress and displacement of tunnel used by urban traffic to explore the mutual influence between the wall rock of underground space and high - rise building foundation, taking account of the specific construction situation in the " sanmu garden " project in dadukou district in chongqing, from the perspective of underground space static - force structure stability analysis to open a underground tunnel with 6m in span and 7. 5m in height for track traffic 20m below the surface. this paper, taking considerations of three different states, i. e. the natural state without any artificial interference, the state of high - rise buildings on the surface, and the underground tunnel state with excavation for track traffic, and four plane lines and four vertical lines, analyzes and studies the distributing law of stress and displacement of calculation section from the following aspects : ( 1 ) the main stress vectorgraph, displacement distribution graph ( ux, uy ) and chromatogram graph of stress isoline ( 1, 2, xy ) of section under different states ; ( 2 ) the contrastive distribution curve of stress ( 1, 2, xy ) of different plane and vertical lines under the same state ; ( 3 ) the contrastive distribution curve of stress ( 1, 2, xy ) of the same plane and vertical lines under different states, wishing to provide references for underground space utilization and project designing and construction of the tunnel under high - rise buildings in the future

    本文結合重慶市大渡口區「三木花園」開發建設項目,從地下空間靜力結構穩定性分析角度出發,針對在該項目中涉及的高層和多層建築物以及在其地下20米處開挖了一個用於軌道交通的跨度6米,高7 . 5米的地下隧道這一具體工程情況,採用2d - 3d -元結構分析程序對高層與多層建築物的地基基礎及其與城市軌道交通使用的地下隧道圍巖的應力與位移演變規律進行了元數值分析計算,探索了地下空間圍巖與高層或多層建築物地基基礎之間的相互影響,通過考慮未受到任何人為影響的天然狀態、地表存在多層或高層建築物狀態和地下開挖用於軌道交通的地下隧道狀態等三種不同狀態以及4個水平剖線和4個垂直剖線等不同情況,從以下幾個方面具體分析研究了計算斷面的應力與位移分佈規律: ( 1 )在各種不同狀態下計算斷面的主應力矢量圖、位移分布圖( ux 、 uy )以及應力等值線色譜圖( _ 1 、 _ 2 、 _ ( xy ) )等; ( 2 )相同狀態下不同水平與垂直剖線的應力_ 1 、 _ 2和_ ( xy )對比分佈曲線; ( 3 )不同狀態下相同水平或垂直剖線的應力_ 1 、 _ 2和_ ( xy )的對比分佈曲線等,為今後在對地下空間的開發利用以及在高層建築物地下開挖硐室時的工程設計和工程施工提供參考依據。
  4. Compared with the behavior of macromolecules in real solution system, the adsorption information in the monte carlo simulation system, such as adsorption isotherm, surface coverage, and bound fraction, was studied for discussing its relation to simulation parameters. five - selection simple cubic lattice, self - avoiding walk, and nearest interaction model were used to construct the homopolymer adsorption model on the solid - liquid interface. periodic boundary conditions were used to reduce the fixed error from limited cubic lattice in size

    模擬中採用五選擇簡單立方格子上的自迴避行走和最近鄰相互作用模型;使用周期性邊界條件以減小大格子空間帶來的系統誤差;用鏈節間相互作用能、界面吸附能、體相濃度和鏈長約束體系中的高分子的吸附行為;用末端轉、 l -翻轉、曲柄運、蛇形運和r - r切除-生長法對模擬體系進行;用系統達到吸附平衡后的樣本來研究模擬體系中的高分子鏈在固液界面上的吸附。
  5. A normal transform is introduced, and there are enough much grids in the region between the critical layer and the wall, where the variation of the disturbance is the quickest. the finite - difference of governing equations with fourth - order accuracy in the normal direction is utilized in full regions including points close the wall, and is very important for accurately discreting equations. the combination of global and local methods is implemented, and a new iterative formula is derived

    對于曲線坐標系下的拋物化穩定性方程,文中發展了求解的高效數值方法:引進法向變換,使得在臨界層與壁面之間的量變化最快的區域更多的法向網格點;導出包含邊界鄰域在內的完全四階精度的法向差分格式,這對方程精確離散至關重要;採用全局法和局部法相結合的方法及其新的迭代公式,大大加速收斂並得到更精確的特徵值。
  6. Digital simulations reveal many valuable characteristics of the power system low frequency oscillation. the limit of conventional analysis and the appearance of new technique such as wams together with the advance of the nonlinear theory, require a new method for oscillation research of power grid, which can combine small and large disturbances analysis effectively

    論文指出,由於傳統小信號穩定分析方法的局性,及態監測設備和非線性理論等新技術與理論的迅速發展,必要研究新的振蕩分析方法,以更加效地揭示互聯系統小、大后的振蕩機理,並研究相應的控制策略。
  7. In this paper, based on the amplitude transport equation of fast varying field and the low frequency disturbance equation of electr on density, the evolutions of the density distribution of charged particles and the collapse of electric field have been calculated numerically in two dimensions with three field components under the condition of transverse wave

    所以本文採用了ftcs差分格式方法,利用二維三分量軸對稱,對空間飛行體與壓縮區內等離子體非穩態相互作用過程進行數值模擬,得到了電荷密度與電場的變化情況。
  8. So. the low speed jitter problem has been the central task in the servo system research. the improvement of the working precision at low speed is hindered by the disturbances of the friction moment and the motor torque wave, while the decrease of the disturbances is restricted by the making technology. for the reason, the research of the low speed properties and corresponding compensation methods means a lot for the optoelectronic tracking system

    轉臺伺服系統低速工作精度主要受到以摩擦力矩、電機波力矩為主的力矩的影響,而摩擦力矩、電機波力矩的減小又受到轉臺製造工藝水平的制,所以,轉臺伺服系統的低速特性以及抖補償研究,對結構簡單、性能優良的精密光電跟蹤系統的研製,具相當重要的意義。
  9. In this paper we address the ghp and propose a finite perturbation analysis ( fpa ) technique that can be used to dynamically solve the problem

    在本文中,採取地面保持策略,並引入有限擾動分析,來解決航班的態分配。
  10. The algebra and generalized tautology in limited disturbing fuzzy propositional logic

    有限擾動模糊邏輯代數及其廣義重言式
  11. Russell ( [ 17 ] ) has showed that, a compact perturbation, generated from unitary operator groups in infinite - dimensional linear hilbert spaces, is unable to make the perturbed semigroup exponentially stable

    Russell ( [ 17 ] )曾指出,無維hilbert空間中的酉運算元群對生成的緊不能使被半群具指數穩定性。
  12. Two conditions a1 and a2 required for using the liftingtechnique in h _ design are given, and it is pointed out that only the disturbanceattenuation design with no weighting functions or with weighting coefficients canmeet these assumptions, hence the practical application of the lifting technique inh _ design is quite limited

    論文分析並給出了提升法h _設計的應用條件a1和a2 ,指出只不加權的抑制設計或加權系數的抑制設計才能同時滿足條件a1和a2 。所以提升法在h _設計中的應用很大的局性。
  13. This paper uses an optically modulated scatterer system to measure microwave field with minimal disturbance. this method is especially adapt to measure magnitude and phase of microwave field close to conductor and microwave field with complex path between source and field. so it can be used to measure radiation antenna ’ s near - field and microwave into slots

    光調制散射器的測量方法最大度地減少了測量裝置對被測場的,特別適合於測量導體附近和具復雜路徑場的幅值和相位分佈,可以用於對輻射天線近場的測試以及孔縫耦合中場的測量,可為天線的設計,微波孔縫耦合效應的研究提供較精確的實驗數據。
  14. This dissertation mainly investigates the properties of solutions of a class of quasi - linear wave equations with a viscosity, a nonlinear perturbation ( source term ) and a dissipative term ( damping term ), which arises from the longitudinal motion of a visco - elastic material. it contains the problems of existence and uniqueness of solutions, global existence, asymptotic behaviour and finite time blow up, etc. this thesis consists of four parts

    本論文主要研究來自於物體的波等應用領域中的一類帶粘性項、非線性項(源項)和耗散項(阻尼項)的擬線性波方程解的定性性質,內容包括解的存在唯一性,解的整體存在性和漸進性態及解在時刻爆破等問題
  15. According to different water phenomena, we use two different method to produce waves source : the first method is by specifying the boundary conditions and initialization conditions, this method simulate the dam breaking, reflection and diffraction of water waves ; the second method is by specifying disturbance model, this method simulate water droplets, waterfall, waves of ship ; in the first part of this thesis, we discuss the prevalent methods of the simulation of water scenes, in the second part of this thesis, we describe the numerical methods of solving the shallow water equations using the finite difference method and the finite volume method respectively, in the third part of this thesis, we simulate some realistically liquid phenomena such as rain droplets, the waves of ship, dam breaking etc

    產生水波首先要波源,設置不同的波源便可以得到不同的水流情形,我們用兩種方法來產生波源:一種是通過設置邊界條件和初始條件產生,這種方法用於模擬潰壩波的反射、折射等現象;另一種是通過控制產生,這種方法用於模擬雨滴、瀑布、船波等自然現象。本論文的第一部分我們討論了目前水畫模擬常用的幾種方法;在第二部分討論了我們所使用的兩類數值方法:差分方法和體積方法;在第三部分我們模擬了雨滴、船波、潰壩波等一些水流現象。
  16. With limited disturbances considered, sliding mode control is used to design the controller, which ensures the sliding mode to be exponentially converged and the sliding manifold to be reached in limited time from any initial states. and an adaptive law is designed for the unknown inertia matrix

    使用魯棒性較強的滑模控制方法設計了控制律:滑模態是指數收斂的;在界干力矩存在時,任意初始狀態都可以在的時間內收斂到滑平面;對于轉慣量未知的情形,設計了自適應律,趨近模態是漸近收斂的。
  17. By using the bifurcation theory of planar dynamical systems and the method of detection functions, this paper gives a configuration of limit cycles forming compound eyes. with the help of numerical analysis ( using maple ), it is shown that there exist parameter groups such that a polynomial vector field of degree 7 has at least 49 limit cycles with z8 - symmetry

    然後,利用平面力系統的分支理論以及判定函數法,考慮z _ 8 -等變的hamilton向量場,在計算機數學軟體( maple )的幫助下,我們得到結論: 8次平面向量場至少49個極環,形成具z _ 8 -對稱性的極環分佈。
  18. 3 ) < wp = 12 > using perturbation analysis, the space - correlation loss and the bearing - estimated error for finite - bandwidth incoherently distributed sources are evaluated analytically, respectively. it is disclosed that bandwidth - induced bearing bias increases monotonously with the signal ' s relative bandwidth. when the relative bandwidth is not small enough to be negligible, the spatially - only processing cannot lead to accurate bearing estimate, that is, the joint space and time processing is necessary for high - precision bearing estimation

    3 )利用分析方法,解析評價了帶寬引起的非相干分佈源的空間損耗及其對波達方向估計的影響;分析表明,帶寬引起的方向估計偏差隨信號相對帶寬單調增加;當相對帶寬無法忽略時,為了得到高精度的波達方向估計,需要進行聯合空時處理。
  19. In this paper periodically perturbed hopf bifurcation to lienard equation with limited time delay is sdudied in detail. that is, the influence of small periodic perturbations on system exhibiting hopf bifurcation is sdudied. in particular, the excitation frequency and the critical natural frequency of hopf bifurcation in the cases of harmonic resonance. subharmonic resonance, ultraharmonic resonance, and ultrasubharmonic resonance is discussed. it is shown that in some parameter regions the sestyms exhibit harmonic solution bifurcation, subharmonic solution bifurcation, ultraharmonic solution bifurcation, ultrasubharmonic solution bifurcation and quasi - periodic solution

    本文詳細研究了具時滯li nard方程的周期hopf分支,即在該系統經歷hopf分支時,研究小周期對系統的影響,特別是討論了頻率與hopf分支周期解的固頻率在共振、次調和共振、超調和共振、超次調和共振的情形。
  20. According to the characteristics that limited dynamic range of images taken in dense fog, dynamic range stretch as a global enhancement method is used. in order to reduce the effect of noise it brings, sparse coding is adopted

    大霧天氣下的圖像由於其本身灰度范圍的特點,採用態范圍拉伸的方法進行全局增強,並對其增強后出現的噪聲干問題利用稀疏編碼技術給予解決。
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