geometric matrix 中文意思是什麼

geometric matrix 解釋
幾何剛度矩陣
  • geometric : n. 有幾何圖形的東西。adj. 1. 幾何學的,幾何圖形的。2. 按幾何級數增長的。adv. -rically
  • matrix : n (pl matrices 或matrixes)1 【解剖學】子宮;母體;發源地,策源地,搖籃;【生物學】襯質細胞;間...
  1. And then, some common methods of gdm, such as the ahp method, the weighted geometric mean method ( wgmm ), the borda - kendall method, the minimum variance ( mv ) method, the clustering analytic method, the cook - seiford distance measure, cb measure, the maximum and the minimum expected values, the concordance and discordance indices, etc., are used to discuss some consensus problems of gdm, including the consistency of the complex judgment matrix in ahp, the consensus methods of the aggregation of individual preferences ; the aggregation of analytic hierarchy process methods based on similarities in decision makers " preferences, a consensus measure on multiple criteria group decision making

    接著本文採用了群體決策中常用的一些方法(如: ahp法,加權幾何平均法, borda - kendall方法,最小方差法,聚類分析法, cook - seiford距離測度法, c _ b測度法,最大最小期望值法,一致性非一致性指標法等)對群體決策中的幾個一致性問題進行了研究,這些問題包括: ahp中復合判斷矩陣的一致性,個體偏好序集結的一致化方法,基於決策者偏好相似性的層次分析模型的集結中的一致性問題和多準則群體決策的一致性測度。
  2. The influence of prolonging demineralization and geometric architecture of bone matrix on the capacity of osteogenesis

    延時脫鈣和骨基質幾何形態對其成骨能力的影響
  3. The static analysis of the long span plate - truss composite cable - stayed bridges. first, the cr formation on the geometric non - linear structural analysis is introduced. next, the structural discretization of cable - stayed bridge, the stiffness matrix the formation of nodal force and the simulated construction system are introduced

    首先介紹了本文採用的桿系結構幾何非線性問題的分析方法? cr列式法,其次介紹了板桁結合斜拉橋的結構離散及桿單元、梁單元的剛度矩陣以及節點力的形成方法,然後介紹了斜拉橋施工模擬體系的形成。
  4. Property of jacobi matrix and theorem of geometric integral transformation

    矩陣的性質與幾何體上積分變換定理
  5. Main contents include man - made targets extraction based on scattering matrix, man - made targets extraction based on covariance matrix [ c ] and the extraction based on geometric feature. first, this dissertation provides an overview of the polsar theory

    主要內容包括:基於散射矩陣的polsar圖像目標提取演算法,基於協方差矩陣polsar的目標提取演算法和基於幾何特徵的人造目標提取演算法等方面。
  6. By using the method of error analysis of mbs, the identification equation of geometric error parameters is derived and according to the condition that the rank of coefficient matrix of error measurement equation group must be full, we can get 18 terms geometric error of 3 - axis nc machine tools and three displacement error and three position error

    應用誤差辨識軟體,解得各測量點的十八個誤差參數,即每個運動方向的三個位移誤差和三個位置誤差,再根據實際情況獲得三項垂直度誤差,得到了所有的21項誤差。
  7. His students and cooperators construct geometric lattice by means of linear spaces, and discuss the geometric lattice that generated by various orbits or subspaces with the same dimension or rank under the action of classical groups over finite field. but the results on geometric lattice constructed by using matrices are very few. in the present paper, we construct geometric lattice with idempotent matrix

    在國內,萬哲先與他的學生和合作者們利用線性空間的辦法,討論了在有限域上的典型群作用下,由各個軌道或相同維數和秩的子空間生成的幾何格。但是,利用矩陣構造幾何格結果很少。
  8. In this paper, the gdop ( geometric dilution of precision ) expression of area navigation system is deduced. using the matrix theory the lowest gdop and that gdop is smaller with more navigation stations are proved in theory

    本論文推導了區域導航定位系統的幾何精度因子,並用矩陣理論對其最小值及其隨導航臺個數增加而減小進行了證明。
  9. This thesis deduces computational formulations of displacement sensitivity and stress sensitivity in structural shape optimization considering geometric nonlinear element. in the calculation of stress sensitivity, the modules required to cut the stiffness matrix of node coordinates few. in order to simplify calculation and make program conveniently, this thesis uses half - parser method

    在空間剛架結構的形狀優化設計中,關鍵的一項工作就是計算應力靈敏度,在計算應力對剛架結構形狀優化的設計變量? ?結點坐標的靈敏度時,需用到單元剛度矩陣對結點坐標的導數。
  10. It also can use to reduce the computing freedoms of the weight matrix in associative memory designing by applying the symmetry relations of the network. regarding the artificial neural network as a dynamical system with symmetry will bring the corresponding geometric approach

    利用這種對稱性關系,既可以揭示「學習就是尋找樣本集對稱性」這一學習的內涵,又可以在聯想記憶網路的分析與設計中減小連接權計算的復雜度。
  11. A polarimetric sar combines both advantage of measuring full complex scattering matrix for each resolution cell in a scene and producing two - dimensional high resolution images, and is thus playing a more and more important role in gathering the detailed information regarding the geometric and electric structures of surfaces and covers for application in both civil and military areas

    極化合成孔徑雷達( sar )具有可以測量場景中每個分辨單元的全極化散射矩陣以及產生二維高分辨力圖像的兩大優點,因此無論在民用和軍用的採集地表或地面覆蓋物的物理和電磁結構信息的應用中起著越來越重要的作用。
  12. The mass matrix and the coupling matrix of bending and torsion vary with the time concern to the deflections of the system when the nonlinear inertial term and the geometric non - linearity term are comprised in the dynamic formulation

    文中推導的動力學有限元方程中的一致質量矩陣m和彎扭耦合矩陣?都考慮了幾何非線性項和非線性慣性項,因此是與系統變形有關的時變矩陣。
  13. By using some formulae of confluent hyper - geometric function, the results of radial operators on the normalizing radial wave function of a 3 - d isotropic harmonic oscillator are derived, and the ladder operators are given to calculate the matrix elements

    摘要利用合流超幾何函數的遞推關系式得到徑向算符對歸一化徑向函數的作用結果,得出其升降算符通項,便於求解矩陣元。
  14. In order to investigate the relationship between the surface geometric errors and the uncertainty parameters, the sensitivity matrix was deduced

    為了確定曲面誤差與不確定度參數之間的關系,推導了曲面最佳適配的靈敏度矩陣。
  15. The sensitivity matrix was then decomposed by singular value decomposition ( svd ) method, and the relationship between the surface geometric errors and the uncertainty parameters was formulated

    採用矩陣的奇異值分解原理,對曲面最佳適配的靈敏度矩陣進行分解,得到不確定度參數與測點隨機誤差的關系表達式。
  16. But, though considerable process has been made in the last ten years, digital watermarking is still in its infancy, and much interesting work remains to be done this thesis addresses some problems in the gray - scale image digital watermarking that are summarized below : 1 ) whereas the basic theory of digital watermarking is still very poor, a digital watermarking mathematic model based on imperceptibility and robustness is presented by analysising the characteristic of digital watermarking ; 2 ) based on the model constructed above, by defining the measures of capacity and robustness of digital watermarking, an objective method for evaluating the digital watermarking is introduced and used to analysis some algorithms ; 3 ) whereas geometric distortion always influences the restoration of watermark, we advocate to enhance the robustness against geometric distortion by restoring the image which has been distorted by geometric transformation, and a method is designed for estimating the parameters of geometric transformation ; 4 ) based on the conclusion discussed above, and combined with the masking effects of hvs, a novel public meaningful gray - scale image digital watermarking is designed by analysising the characteristics of image gray - scale interpolation and haar wavelet transformation. the experimental results show that the method is indeed powerful ; 5 ) whereas many image digital watermarking schemes, which embed watermark by modifying the values of pixels in spatial domain and transformed domain, are confronted with the conflict between the imperceptibility and robustness, we advocated to use some stable digital characteristics of host image as watermark and a algorithm based on hermite matrix is designed

    本文重點對灰度圖象數字水印技術進行研究,主要工作如下: 1 )鑒于目前數字水印的理論研究比較薄弱的現狀,本文通過分析數字水印的特點,建立了一個數字水印的數學模型,為進一步研究數字水印打下了基礎; 2 )根據以上建立的模型,通過引入容量和穩健度的概念為數字水印提供了一個客觀評價方法,並對一些數字水印演算法進行了分析; 3 )為增強數字水印抵抗幾何攻擊的能力,研究了受幾何攻擊的圖象的復原問題,並給出了一個計算圖象幾何變換參數的方法; 4 )通過分析圖象灰度插值演算法和haar小波變換的特點,結合hvs的掩蔽效應,設計了一個公開的有意義數字水印演算法,實驗結果表明本演算法具有較強的穩健性; 5 )目前許多水印演算法都是通過在空域或頻域修改象素值的方法嵌入水印的,這種方法面臨著透明性和穩健性的矛盾,為解決這個矛盾,本文提出以圖象的某些穩定的數字特徵為水印的觀點,並結合hermite矩陣的特點設計了相應的水印演算法,實驗結果表明該演算法具有較好的穩健性。
  17. The application of finite element method ( fem ) to dynamic stability analysis is described emphatically. the lagrangian equations is used to derive the necessary element matrices ( element stiffness matrix, element mass matrix and element geometric stiffness matrix )

    著重論述了有限元法在動力穩定問題中的應用,並採用lagrangian方程推導出單元矩陣的表達式(單元剛度矩陣、單元質量矩陣和單元幾何剛度矩陣) 。
  18. The orthogonality basis of geometric algebra is used to convert the quantum master equation into state space model ; the equation is divided into several parts matrix is analyzed to show its compact on the evolution and the dynamics of the system

    本文從量子主方程模型出發,選取一組合適的完備正交基將主方程模型轉化為實向量空間上的利於設計控制方案的狀態空間模型,並基於此模型針對一個典型的二能級量子系統設計最優控制方案,模擬結果驗證了方案的有效性。
  19. Resets the geometric transformation matrix for this

    的幾何變換矩陣重置為單位矩陣。
  20. A least squares solution via singular value decomposition is used to solve the matrix equation. computations with synthetic data, where the near field of several typical antenna configurations are got over various geometric surface, illustrate the accuracy of the method

    為了證明本方法的計算準確性,我們給出了幾個不同輻射源在不同近場測量幾何面下的近場和遠場計算結果,與解析公式的計算結果相比較,一致性很好。
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