triangular basis 中文意思是什麼

triangular basis 解釋
三角形基
  • triangular : adj 三角（形）的；由三個部分構成的，三重的；三方面的（斗爭等）；三國間的（條約等）。 triangular c...
  • basis : n. （pl. bases ）1. 基礎；基底；臺座；【地質學；地理學】坡基。2. 根據，基準。3. 主要成份；主藥。4. 【數學】基。
  1. On the basis of experimental research, this thesis applies 2 - dimensional non - linear finite element method to the analysis of transient temperature field on the section by means of relatively high precision triangular element of six joints. when the temperature field is analyzed, finite element reseaus are divided in space field and finite difference reseaus are divided in time field, and then the program is compiled. the computing results are in good agreement with the test data

    在試驗研究的基礎上，本文採用精度較高的三角形六結點單元對構件截面二維非線性瞬態溫度場進行了有限元分析，即在空間域內採用有限元網格劃分，在時間域內採用有限差分網格劃分，據此編制了計算程序，計算結果與試驗數據符合較好，程序穩定性好，精度滿足要求。
  2. The rao - wilton - glisson basis function based on triangular patches is used in the moment method. a junction basis function based on triangular patches is adopted to deal with the key problem of the junction between the wire and patches

    在使用矩量法的過程中，採用基於三角面元的rwg電流基函數；對于線天線和面元間的連接這個關鍵問題，採用了一種連接處基函數。
  3. On the basis of summarizing current fractal dimension algorithms, the random midpoint replacement algorithm was employed to obtain interpolating point according to the fractal features of remote sensing image, so the current widely used triangular prism method was improved

    摘要在總結現有分形維數計算方法的基礎上，根據遙感影像的分形特性，利用隨機中點替代法獲取插值點，從而對目前普遍使用的三稜柱面法進行了改進。
  4. In the method, linguistic assessment information is transformed into the form of triangular fuzzy number and an optimization model is constructed through calculating the distance between every alternative and positive ideal point to determine unknown attribute weights, on the basis of which fuzzy appraisal value of each alternative and possibility about triangular fuzzy numbers are calculated to rank alternatives

    給出了求解具有部分指標權重信息的語言多指標決策問題的計算步驟，其核心是將語言評價信息轉化為三角模糊數，通過計算每個方案與理想點之間的距離，構建最優化模型，求得未知的指標權重值，進而可計算出每個方案的模糊評價值，相應地通過計算兩兩模糊評價值比較的可能度，得到所有方案的排序結果。
  5. Firstly, by the method of laplace transform, one dimensional consolidation of one - layer gibson soils under time - depend loading is studied and the analytical solutions in frequency domain are obtained. on the basis of the solutions obtained and the computation through programming, the influence of some parameters and loading conditions on the consolidation behavior under trapezoidal, triangular and rectangular cyclic loading, is investigated. secondly, one - dimensional consolidation of one - layered gibson soils with semi - pervious boundaries is studied in this paper, and according to numerical examples, some characters of consolidation such as the effective stress and settlement in the soils under arbitrary loading are found

    首先運用了laplase變換獲得了單層gibson地基（壓縮模量隨深度線性增加的地基）在任意荷載下頻域內的一維固結解析解，通過laplace逆變換，基於以上解答用數值方法編製程序對單層地基在常見荷載（驟加荷載、緩加荷載、矩形波載、三角形波載）作用下的一維固結性狀進行了討論，並與傳統的太沙基理論進行了比較。
  6. The moment method is used to calculate the rcs of three - dimensional targets in this paper. these targets include conducting targets, dielectric targets and coat targets. triangular patches are used to model the surface of the target, then electric field integral equation ( efie ) and magnetic field integral equation ( mfie ) are built which satisfy the boundary conditions. the rwg vector base functions are used to denote equivalent electric current and magnetic current on the surface of the target. finally use the galerkin method ( rwg vector base functions are basis function and test function ) to transform integral equations into matrix equation. when obtain the equivalent electric current and magnetic current, we can calculate the scattering field and the rcs of the target

    本文利用矩量法計算了三維導體目標、介質目標、塗層目標的雷達散射截面。首先採用三角形面元對物體表面幾何形狀進行模擬，然後建立滿足邊界條件的電場積分方程（ efie ）和磁場積分方程（ mfie ） ，將物體表面的等效電磁流用rwg矢量基函數表示，最後利用伽略金法（ rwg矢量基函數既作為基函數又作為檢驗函數）將電磁場積分方程轉化為矩陣方程求解未知電磁流系數，得到了表面的等效電磁流后，可以計算散射場和目標的雷達散射截面。
  7. Construction and classification of a set of complete orthogonal basis functions in the arbitrary triangular domain

    任意三角形區域中一組完備正交基的構造與分類
  8. First, we present the equivalent variatial formulations of the least - squares mixed method and prove the existence and uniques for the weak problems. on the basis of l2 - projections and raviart - thomas projections, we obtain the superconvergence of the least - squares mixed finite element approx - imations on uniform triangulations, where triangular mixed finite elements of the lowest order raviart - thomas spaces are used to approximate the flux p. in the second chapter, we briefly recall the standard and mixed finite methods for second order elliptic problems, and introduce a modified least - squares mixed method

    作者首先導出了最小二乘混合元方法的等價變分形式，並且證明了變分問題廣義解的存在唯一性；在此基礎上，我們採用強一致三角形剖分，選取最低階的raviar - thomas空間對未知函數的通量進行逼近，利用l ~ 2投影和raviart - thomas投影，得到了插值投影和最小二乘混合元解之間的超收斂結果。
  9. The main research works of the dissertation are as follows : 1 ) preprocessing technology of unorganized diserete points : the relative research works were focused on two issues : boundary extracting from unorganized discrete points and generating of original surface, boundary extracting were realized on the basis of rules that disctete points are on the form of triangular mesh and the number of neighbor triangle of border points and inner points are different

    論文的主要研究內容如下： 1 ）離散數據點集的預處理技術研究了離散數據點的邊界檢測和初始曲面擬合問題。離散數據點的邊界檢測是根據有限元分析所得到的三角網格離散點，利用它的特點，使用離散點的相鄰三角網格的個數判斷是否是邊界點。
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