grid interpolation 中文意思是什麼

grid interpolation 解釋
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  • grid : n 1 格子,格柵。2 (蓄電池的)鉛板。3 【無線電】柵級。4 鐵道網;【電學】電力網;〈英國〉(全國)...
  • interpolation : 補入
  1. Perfect pre - processing and post - processing function is one of the main factors to evaluate the vitality and market value of the finite element analysis system surveying today development of finite element analysis technology, most of which concentrate on establishing fine user interface, also has some limitation on application, and especially, the research on the visualization of arbitrary cut - plane is always in ascendants to realize the visual processing on cut - plane needs reprocessing the results of finite element analysis which have get, so the algorithm is two parts : seeking the physical value of cut - plane and drawing 2d contours, the former, based on the theory of stress on " arbitrary inclined plane " in physical mechanics, use the method of linear interpolation method to get the coordination and physical value of intersection between cut - plane and element arris ; the latter, based on the tables on elements, nodes, stress and strain, summarize a rapid algorithm of generating 2d contours based on the grid. this thesis synthesizes there two parts and get a visual processing program under fortran

    縱觀有限元分析技術的發展,目前大多集中在建立良好的用戶界面上的研究仍存在許多應用上的局限性,其中對任意剖面上可視化的研究仍處于方興未艾的階段。要實現任意剖面上可視化處理,必須先將得到的有限元計算結果進行再處理,因此在演算法上分為兩部分:求任意剖面上物理量值的演算法及二維等值線演算法。前一部分以彈性力學中「任意斜截面的應力」為理論基礎,利用線性插值方法得到截面與單元棱邊的交點坐標及交點物理量值;在此基礎上;根據已得到的單元及節點序號表、應力應變物理量表,總結出一種基於有限元剖分網格的快速生成二維等值線的演算法。
  2. In the end, cluster - analysis - based floating control historical regression method with uniform precipitation and atmospheric precipitable water as metoorological covariates could more validly evaluate efficiency of cloud seeding operations and significant level of ca - fcm method was higher than the other methods, because it adopted cluster analysis which highly improved the correlativity between rainfall distributions in the control area and target area, and used grid interpolation which enhanced exactness of calculating precipitation rainfall, and chose atmospheric precipitable water as the covariant which increased the inferential accuracy of natural rainfall on the cloud seeding operational area

    最後,得到以降水量和整層大氣可降水量為協變量的ca - fcm方法,由於採用聚類分析( ca )方法,提高了對比區和影響區相關性;採用網格插值技術提高了雨量的計算準確度;引入了不受催化影響的物理協變量(整層大氣可降水量) ,提高了作業區自然降水量估計值的準確性;所以評估效果最好,顯著水平高於0 . 05 。
  3. In overset grids, there are not only physical boundary but also inter - grid boundary. each grid block is solved independently and the communication between the grids is realized through the area interpolation

    流場求解時,我們在每塊網格上單獨解算,網格之間的通信採用邊界上面積插值,由此獲得全局變量。
  4. The curved grids are generated by using the transfinite interpolation and the so - called multiblock techniques that originally developed for computation fluid dynamics. the curved grid is taken to constitute a generalized curvilinear system

    該方法結合了多塊映射和超限插值技術,這項技術出自計算流體力學,它可使產生的網格網線沿著地下所有界面變化。
  5. The main aspects of this dissertation are as follows : 1. employing the moving grid technique, a 3 - d moving grid based on the transfinite interpolation is developed. this grid has better adaptation than the deforming grid for flapping wing

    本文的主要工作表現在以下幾個方面: 1 、引入運動網格技術,發展了一套基於廣義無限插值理論的適合撲翼計算的三維運動網格,提高了網格對撲動機翼的適應性。
  6. This article in the unidimensional interpolation foundation, according to the different data ( grid data and scattered in disorder data ), divides the two - dimensional interpolation into the grid node interpolation and the scattered in disorder data interpolation, realizes the imagery processing and the data visualization with the matlab software

    摘要本文在一維插值的基礎上,根據不同的數據(網格數據和散亂數據) ,將二維插值劃分為網格節點插值和散亂數據插值,用matlab軟體實現圖像處理和數據可視化。
  7. Applying spatial interpolation and data topographty model, realizes that isoline data create grid data, forms surface and makes three - dimensional geological body, according to the actual demands in oil and gas field development

    運用空間插值、數字地形模型等方法,根據油氣田開發中的實際需要,實現由等值線數據生成網格數據,形成構建表面,最終得到三維地質體。
  8. It realized the spatial interpolation software grounded on geostatistics seamlesslly integrated with the system using the way of oop and the technology of ole / activex based on com. using vector - grid spatial - overlap analysis to solve the limitation of the grid and general vector data structure in the course of creating prescription, it made fertilizer prescription founded on the main factor of soil nutrient and yield - target. also it effectively integrated comgis with exper t system using the technique of loose coupling

    以面向對象的設計方法為基礎,利用「組件對象模型」基礎上ole / activex技術實現基於地統計學的空間插值軟體實現及與施肥處方系統的無縫集成;應用基於矢量網格的空間疊加分析方法解決柵格和常規矢量數據結構在處方生成中的局限,生成了基於土壤養分和目標產量為主要因素的施肥處方;利用鬆散耦合技術將comgis與施肥專家系統進行有效集成;充分考慮施肥機對施肥處方數據結構要求,在wgs - 84坐標系下採用具有柵格單元的矢量施肥處方。
  9. Through the analysis of mapping relation between pixel point and a point of space, the paper pose a demarcate method based on grid interpolation. this method transform complicate nonlinear problem to many little regional linear problems and realize emendation on problems of linear and nonlinear deformation in image

    通過對圖象中的象素點與空間中的一點之間的映射關系的分析,提出了一種基於網格插值的標定方法,該方法將復雜的非線性的問題轉化為一個個小區域的線性問題,實現了圖象平面的線性和復雜非線性變形問題的校正。
  10. A hardware independent image acquisition interface is designed. aimed at grid images, a reasonable image processing procedure is employed, including segmentation, binarization, close, thinning and sub - pixel image processing technique based on b - spline interpolation

    基於網格標記圖象,設計了一系列的合理的圖象處理步驟,包括圖象分割並二值化、二值圖象閉運算、細化以及基於b樣條插值的亞象素圖象處理技術。
  11. In this paper a new method of evaluating the efficiency of non - randomized artificial precipitation enhancement - cluster - analysis - based floating control historical regression method ( ca - fcm ) was presented, which made use of cluster analysis and grid interpolation of precipitation

    本文利用聚類分析和雨量網格插值技術,對非隨機區域歷史回歸試驗進行了重要改進,提出了一種新的試驗方案?基於聚類的浮動對比區歷史回歸人工增雨效果統計檢驗方法( ca - fcm ) 。
  12. We generated its grid surface on the fuselage or missile body according to the geometry projection relation between aerodynamic components and the bilinear interpolation approach. finally, we successfully developed a new algebra grid generation technique in virtue of the improved four - boundary interpolation. in this thesis, we put emphasis on the researches of aerodynamic inverse design and drag reduction questions for airfoil and wing using euler equations and control theory proposed by jameson

    ( 2 )進行了應用控制理論和二維歐拉方程的翼型氣動反設計,以及有升力約束情形下翼型跨音速減阻問題研究,分別推導了相應的共軛方程及邊界條件的數學形式,並給出了相應的梯度求解公式形式,研究發展了共軛方程及梯度的數值求解方法,成功進行了多個翼型的反設計和減阻問題研究。
  13. Nonuniform mesh grid algorithm for lattice boltzmann method based on interpolation

    方法非均勻網格演算法
  14. Later on, after elaborating the disadvantages of the old methods in detecting and recognizing moving objects, a series of corresponding approaches are proposed, such as grid scan, local tracking bug and dynamic window in object tracing to reduce the huge data needed to be processed, maximum and minimum for selecting a proper segmentation threshold and improved conversion from rgb model to hsv and so on to decrease the influence of inhomogeneous lighting and the color noise, a bilinear interpolation in each quadrant to eliminate the bad effect on the recognition precise because of the distortions of the camera. after that, much emphasis is given on application study in pattern recognition with a feed - forward neural network. both the basic bp algorithm and improved bp algorithm in the study process are described in detail, and the later is used to quicken convergence speed and improve validity of the network

    然後,分析和闡明了傳統的運動目標檢測方法的不足,並在此基礎上結合研究中的實際實驗環境,提出了一系列解決方法,包括針對降低龐大數據量而提出的網格掃描、局部「跟蟲」追蹤和動態窗口掃描等目標檢測方法,針對實驗環境中光照不均和顏色干擾提出基於人機交互的最大最小值閾值選取方法和引入改進的rgb模型到hsv模型的轉換方法,為消除圖像畸變對識別精度的惡劣影響而採用的通過控制點進行雙線性插值進行畸變校正的方法;緊接著,概述了神經網路的發展歷史和幾種常用神經網路模型的特點,重點研究了前饋型神經網路在模式識別中的應用問題,詳細闡述了基本的bp演算法和學習過程中bp演算法的改進,從而使網路收斂速度更快,解決問題更有效,並在此基礎上,設計了一個基於bp神經網路的運動目標識別系統,給出了實驗結果。
  15. Two - stage - fitting ( tsf ) method is obtained, which consists of evaluating the function values of regular - grid points by using local weighted least square methods or radial function interpolation, and smoothly and quickly interpolating those points by using multivariate splines. the result is a hyper - surface of c1 or c : continuity

    基於上述結果,提出了h - d空間散亂數據超曲面構造二步法,第一步應用局部最小二乘法或局部徑向基函數擬合法插補立方體網格點上的函數值,第二步應用多元樣條光滑快速插值計算,使所得超曲面具有c ~ 1或c ~ 2連續。
  16. The main contents are as follows : it discusses and simulates several problems of digital map technique in aviation : including random terrain, mountain simulation, fractal surface generation, by those we can get statistic data of the terrain. we can get the data not on the grid by fractal interpolation surface

    具體內容包括以下幾個方面:針對數字地圖技術,本文討論並研究了隨機地形演算法、山峰模擬演算法、分形曲面生成演算法,通過這些演算法可以得到具有不同統計特性的地形數據;使用基於分形插值曲面演算法可以得到不在網格點上的地形數據。
  17. The algorithms employed in this paper are redesigned or improved for grid images. for example, an adaptable moving window gray scale threshold image segmentation method is proposed originally, a parallel template matching thinning algorithm is improved greatly, a sub - pixel image processing algorithm based on b - spline interpolation is present independently. 3

    其中獨立設計了自適應的移動窗口灰度閾值圖象分割法,優化設計了并行模板匹配細化演算法,獨立提出了基於三次均勻b樣條插值放大局部圖象的亞象素圖象處理演算法,並都取得了較好的處理效果。
  18. Data quality control including sidelobe contamination, data ' s filling and smoothing, nyquist velocity of bistatic doppler radar, interpolation of velocities from a polar grid to a cartesian grid and problems found during simulating data and solusion to them

    介紹了數據質量控制,包括旁瓣污染、資料的填補與平滑、雙基地最大不模糊速度、從極坐標到直角坐標的轉換以及在模擬風場過程中發現的問題和解決辦法。
  19. The elevation of the contour line and the density of rock will be get from the digital maps ( now there are many digital maps ). basing on it, we can get the elevation of grid by interpolation and calculate the vertical inclination

    在數字地形圖和數字巖石密度分布圖(有相當數量的數字圖已建成)的基礎上,利用gis技術對數字化地形圖的等高線和巖石密度數據進行提取,自動獲取大量的分塊高程數據和巖石密度數據,在此基礎上,對格網的頂點採取等高線內插的方法提取出它們的高程,並計算出垂線偏差。
  20. For convenience of grid refinement implementation the nonstaggered grid system based on the structured orthogonal grid scheme is adopted. in order to eliminate the possible pressure wiggles when nonstaggered grid is used, except for the use of the momentum interpolation method ( small wiggles still appear when the method is adopted alone ), a new method is proposed and applied in the same time. in the new method a pressure - gradient difference term is added to the flow velocity in each control volume interface when dealing with the pressure - correction equation

    本文基於結構化正交網格,為便於實施網格加密,採用了變量同位存儲的同位網格體系;為平抑該網格體系下的壓力振蕩問題,除採用動量插值方法外(單純採用該方法不能完全平抑振蕩) ,首次提出了在壓力校正方程的界面流速中添加壓力梯度差值項的方法,從而完全解決了建築風場模擬中同位網格下可能出現的不合理壓力場的問題。
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