邊界估計 的英文怎麼說

中文拼音 [biānjiè]
邊界估計 英文
boundary estimation
  • : 邊Ⅰ名詞1 (幾何圖形上夾成角的直線或圍成多邊形的線段) side; section 2 (邊緣) edge; margin; oute...
  • : 名詞1 (相交的地方; 劃分的界限) boundary 2 (一定的范圍) scope; extent 3 (按職業、工作或性別等...
  • : 估構詞成分。
  • : Ⅰ動詞1 (計算) count; compute; calculate; number 2 (設想; 打算) plan; plot Ⅱ名詞1 (測量或計算...
  • 邊界 : boundary; frontier; border; borderline; edge range line; periphery
  • 估計 : estimate; evaluate; take stock of; size up; calculate; appraise; reckon; estimation; forecast
  1. A one - dimensional oceanic mixed layer model with the m - y level - 2. 5 turbulence closure schemes is employed. the rate of energy loss by breaking waves is estimated by parameterization and incorporated into the model as a source of turbulence kinetic energy ( tke ) by modifying the existing surface boundary condition of tke equation. the velocity field and turbulence energy budget are calculated under different forcing conditions ( the results given below are for a wind speed of 20 m / s. )

    採用一維2 . 5階湍封閉混合層模式,根據參數化方法對波浪破碎導致的能量耗散率進行了,通過改變湍動能方程的上條件引入波浪破碎對湍動能生成的影響,算了不同風應力強迫下的混合層流場結構和湍能量收支(下述給出的結果是取風速為20m s得到的) 。
  2. There are three sections in this paper. the first section : we consider the initial boundary value problem on half line and bounded interval, with kato ' s method for abstract quasi - linear evolution equations and a prior estimates of. solution, we get the existence of global smooth solution and the blow - up of solution in finite time under some conditions

    第一部分:考慮了camassa ? holm方程在半無和有區域上的初值問題,用kato關于擬線性演化方程的初值問題的理論及先驗的方法,證明了整體解的存在性,及在一定條件下,解在有限時間內的blow ? up 。
  3. 3, on the base of the traditional spatial filtering, the author present, a new despeckle algorithm, that make use of iterated processing and correlated neighbourhood model, iterated filtering method of the sar image combining the correlated neighbourhood model with maximum a posteriori filter. first, a series of templates refecting direction information are established and every template is present for a kind of neighbour structure. then on the basis of sar images statistical property, the maximum a posteriori estimate of the real intensity under observation image values is got by bayes formulatio - n

    3 、針對傳統空間濾波器的不足,引入迭代處理和相關鄰域模型的概念,提出了基於相關鄰域模型的最大后驗迭代濾波。該演算法引用一系列反映局部特徵的鄰域模型,以描述圖像的細節。引入強度的先驗概率分佈模型,利用bayes方法,對各個結構進行實際強度的最大后驗
  4. The second section : under the conditions of nonlinear boundary controbility, we consider the initial boundary value problem of camassa - holm equations with dissipative. by using the contractive mapping fixed point theorem and a priori estimates, the existence of global smooth s olution, global attractor in h ~ ( 2 ), t ime p eriodic s olution or almost - periodic solution and the global exponential stability are proved

    第二部分:在非線性控制條件之下,對于帶耗散項的camassa ? holm方程的初值問題,用壓縮映射不動點原理及先驗方法,證明了整體光滑解的存在性、整體解的指數穩定性、 h ~ 2空間中整體吸引子的存在性以及時間周期解和殆時間周期解的存在性。
  5. Based on perspective model, it was proposed that drawing camera inner parameters with physics method ; in image processing, especially the particularity of robot object localization and tracking, it was proposed that several effective methods of image smoothing and sharpening, edge detection, boundary tracking ; at the same time, in order to complete object recognition, we introduced the methods of drawing object character parameters ; in object image matching, two kinds of effective object matching arithmetic was proposed ; based on the principle of object 3d information restoration, we proposed two kinds of arithmetic of 3d coordinate restoration of object feature points, and completed object movement parameters estimate and object tracking and prediction, and presented experimental result

    以透視成像模型為基礎,提出了用物理方法來提取攝像機內部參數;從圖像處理角度出發,針對機器人目標定位與跟蹤的特殊性,提出了幾種行之有效的圖像平滑、銳化、緣提取以及跟蹤的方法;同時,為了完成目標的識別,介紹了目標特徵參數的提取方法;在目標圖像匹配上,提出了兩種快速有效的目標匹配演算法;基於目標深度信息恢復原理,提出兩種目標特徵點三維坐標恢復的方法,同時完成了目標運動參數和目標的跟蹤與預報,並最後給出了實驗結果。
  6. Study achievement appears as following aspects : ( 1 ) yellow river estuary gate river flow and tide flow mixed area is not keep standing deposition status, on special income water and sediment conditions, boundary conditions and oceanic power conditions, this area may on the scour status ; ( 2 ) observed from estuary sediment deposition distributing process : delta and sea offing area sediment deposition vary trend is similar, each part sediment deposition scale varies as wave shape ; ( 3 ) on estuary gate, affect the sediment deposition factors, primary factors are tide prop, the gate widens gradually, estuary gate have branches, brine induced flocculation. this paper study the estuary gate widen, estuary gate have branches to affect the river channel deposition in quantity ; ( 4 ) based on field measured data, for the first time, deduce the estuary sediment deposition and distributing regress formula which can estimate estuary different areas sediment deposition volume ; ( 5 ) this subject demonstrate the estuary delta coastline dynamic balance conception, build the relationship between the estuary income sediment with deposition land area, draw the following important conclusion : when estuary years - averaged income sediment keeps at 345 million tons, the delta coastline may on the dynamic balance status. ( 6 ) this subject firstly brings up estuary sediment optimized control conception, and has the primary study on the macroscopically optimized control conception method

    研究認為: ( 1 )黃河河口口門逕流潮汐區域並非持續保持淤積狀態,在特定的來水來沙、條件和海洋動力條件下,該區域可以處于沖刷狀態; ( 2 )從河口泥沙沉積分配的過程來看:三角洲與濱海區泥沙的沉積變化趨勢是基本一致的,各部位的泥沙沉積比例變化基本呈波動狀態,且三角洲與濱海區泥沙的沉積比例與來沙量密切相關,基本成正比關系; ( 3 )在口門處,影響泥沙沉淤的因素主要集中在潮汐頂托、口門逐漸加寬、河口門分汊、鹽水造成絮凝等,本報告主要對口門加寬,口門西妥理工大學工程碩士專業學位論文分漢對河道淤積的影響進行了定量分析: (一扣根據實測資料首次建立了河贖流路泥沙沉積分配的回歸算式,據此可以預算河口不同區域泥沙的沉淤量; 、 5 )本項研究首次論證了河口三角洲岸線動態平衡的概念,並建立了黃河河口來沙量與造陸面積的相關關系,得出了當河口多年平均來沙量維持在3 . 45億t時其河口三角洲岸線則可能處于動態平衡狀態的重要結論; 『 6 )本項研究首次提出了河口泥沙優化調控的概念,並對其宏觀優化調控模式進行了初步探討。
  7. Finally, in the third section, by constructing some functional which similar to the conservation law of evolution equation and the technical estimates, we prove that in the inviscid limit the solution of generalized derivative ginzburg - landau equation ( ggl equation ) converges to the solution of derivative nonlinear schrodinger equation correspondently in one - dimension ; the existence of global smooth solution for a class of generalized derivative ginzburg - landau equation are proved in two - dimension, in some special case, we prove that the solution of ggl equation converges to the weak solution of derivative nonlinear schrodinger equation ; in general case, by using some integral identities of solution for generalized ginzburg - landau equations with inhomogeneous boundary condition and the estimates for the l ~ ( 2 ) norm on boundary of normal derivative and h ~ ( 1 ) ' norm of solution, we prove the existence of global weak solution of the inhomogeneous boundary value problem for generalized ginzburg - landau equations

    第三部分:在一維情形,我們考慮了一類帶導數項的ginzburg ? landau方程,通過構造一些類似於發展方程守恆律的泛函及巧妙的積分,證明了當粘性系數趨于零時, ginzburg ? landau方程的解逼近相應的帶導數項的schr ( ? ) dinger方程的解,並給出了最優收斂速度;在二維情形,我們證明了一類帶導數項的廣義ginzburg ? landau方程整體光滑解的存在性,以及在某種特殊情形下, gl方程的解趨近於相應的帶導數項的schr ( ? ) dinger方程的弱解;在一般情形下,我們討論了一類ginzburg ? landau方程的非齊次值問題,通過幾個積分恆等式,同時解的h ~ 1模及法向導數在上的模,證明了整體弱解的存在性。
  8. The boundary value problems of singular perturbation with boundary layer at turning points are discussed. the asmptotic expansion are constructed. and the uniformly valid asmptolic estimation is obtained

    主要討論了在轉點處出現層現象的奇異攝動值問題,構造了形式級數解,得到了一致有效的漸近
  9. In this part, the first work is pretreatment of a numerical model, including creating calculating grids automatically, improvement of the linear boundary technique and so on. the second work is to estimate the siltation of a basin or channel by liu ' s equation. the third work is to build an edbms ( engineering data base management system ) for the result of mathematical model

    其中主要的工作是:其中主要的工作一是數學模型的前處理,算網格自動生成,線法的優化;二是應用劉家駒公式在長江口深水航道治理工程地理信息系統的支持下實現港池、航槽開挖的實時回淤算;三是將算成果形成gis管理和支持下的工程數據庫系統( engineeringdatabasemanagementsystem ) ,同時嘗試解決時間序列數據如地形沖淤變化,潮位、流速過程的分析、查詢和顯示問題,並實現實時、互動的動態演示及三維可視化。
  10. We must think of three factors to make a best capital structure. first factor is margin tax shield, namely, the ratio of firm value ' s increment for liability and the increment of liability blow. second factor is finance crisis net lost that is bought in future. thirdly. we must make much of the market action and adjust capital structure

    確定一個最優的資本結構主要考慮以下三個要素:第一,際稅盾,即由於負債導致企業價值增量與負債額的增量的比值,以際稅盾為零作為點;第二,未來可能招致的財務危成本;第三,密切關注市場的反應,不斷調整資本結構。
  11. We also apply lyapunov function to evaluate the attraction region of stable fixed point which corresponds to running region of the power system, we give the boundary of stability region by means of article [ 8 ], finally, the numerical simulate results verify the theoretical analysis

    本文還用lyapunov函數對穩定域進行了,給出穩定平衡點的吸引域,這相當于電力系統的穩定運行區域。並且用文[ 8 ]提供的方法,給出穩定區域的。最後,本文用模擬算例驗證說明理論分析結果。
  12. The proposed energy functional can make use of advantages of the region information and the edge information. the region number, region feature parameters and edge position can be estimated simultaneously when this functional is minimized. 2

    所提出的能量泛函,綜合地使用了抗噪性能強的區域信息和定位精度高的信息,可以同時出區域的數目,各區域的特性參數以及位置。
  13. In the thesis the low drag - low noise optimization of the vehicle main form design is realized, main accomplishments are as follows. researched the knowledge of drag and flow noise, the parameters of the boundary layer are calculated by the hess - smith method and boundary layer momentum integral method. the calculation of the length of transition zone and change in boundary layer displacement thickness between laminar and turbulent states in the transition is improved, then the drag coefficient and self - noise from the transition zone are calculated as the objective functions of the optimization

    主要研究內容和成果如下:對航行器繞流流場進行分析,深入研究了阻力和流噪聲產生機理,建立了阻力系數和自噪聲的評數值算模型;採用物面分佈源匯法和層動量積分法對繞流流場的流體動力參數進行算,改進了轉捩區長度和層位移厚度的算,應用於航行器頭部駐點自噪聲的算;最後設了阻力系數和自噪聲數值算程序模塊。
  14. In this paper a system for segmenting and tracking the objects from sequences is designed. this system is mainly made up of three parts that are the motion estimation giving out the motion vectors, the edge detection finding the edge points and contour and the deformable contour achieving the segmentation and tracking for the objects

    本文設了一種基於可變輪廓的序列圖像的分割和跟蹤系統,該系統主要由三個部分組成:運動給出運動向量,緣點輪廓提取得到圖像的圖和外輪廓,而可變輪廓分割方法實現目標分割和跟蹤。
  15. Based on the difference between the corresponding limit of displacement from both side of contacted bodies, a local direct error estimator of bem solution for 3d elastic contact problem is presented, and then a scheme of adaptive bem is suggested

    在此基礎上提出將接觸體接觸單元間與域內解連續的位移之差的某種度量作為三維彈性體接觸問題元法的一種誤差直接,並且提出了三維彈性體接觸問題元法的一種自適應算方案。
  16. In this dissertation, some basic investigations on the bem of 3d elastic contact problem have been carried out, which can be listed as follows : at first, an early investigation of authors " group, on direct error estimation of bem solution for elasticity problem, is extended from 2d problem to 3d elastic contact problem. an accurate and efficient algorithm for the determination of boundary displacement, which is continuous with the displacement solution within the domain of an elastic body, is then presented

    本文對三維彈性體接觸問題的元法做了若干應用基礎性研究,其中主要包括以下幾個部分:作者首先將本研究組提出的彈性力學問題元解誤差的直接從二維推廣到三維問題,給出了確定與域內解連續的位移的一種精確有效的方法。
  17. This paper uses compare principle to show that there exists at most one of classical solution for ( 1 ), while the existance of solution is obtained through continuous method. to get the required a priori estimates except the double normal derivatives, we adopt the method in [ 3 ], and the double normal derivatives on dq are achieved by barrier constructions and applying skill of [ 2 ]

    本文用比較原理證明了問題( 1 )至多存在一個古典解,應用連續性方法,得到了問題( 1 )古典解的存在。在得到所需的先驗時,利用了[ 3 ]中的方法建立了除去二階法向導數外的先驗,通過構造閘函數,用[ 2 ]中的技巧得到在
  18. In the first part, we give the inner radius of univalency for fan - shaped domains and for quadrilateral domains with vertexes on a circumference and sides forming the sequence abba. also we estimate the inner radius of univalency for rectangles

    在第一部分中,我們給出了扇形和四為abba形式的圓內接四形的單葉性內徑,並給出了長方形區域單葉性內徑的下
  19. By means of variational structure and z2 group index theory, we obtain multiple solutions of boundary value problems for second - order ordinary differential equations and lower bound estimate for number of the solutions

    摘要本文利用變分原理和z2不變群指標研究了一類二階常微分方程奇異值問題的多重解,得出了這類解個數的下
  20. The results of this paper extend the existed results of normal systems to descriptor systems. 8. lower and upper matrix bounds for the positive semidefinite solution of discrete - time riccati matrix equation are obtained

    給出離散ricoati方程和統一的耦合代數ricoati方程的半正定解的上、下矩陣邊界估計,並得到求離散ricoat方程和統一的耦合代數ricoati方程的半正定解的兩個迭代演算法。
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