約化坐標 的英文怎麼說
中文拼音 [yāohuàzuòbiāo]
約化坐標
英文
reduced coordinate-
The high entropy of the real and imaginary parts of sar raw data makes lossless - coding compression techniques unfit for sar raw data. in chapter 4, some compression algorithms for sar raw data compression, such as baq, upq, bavq and wt - subbandcade are analyzed and discussed. an improved unrestricted polar quantizer ( upq ), which can enhance the performance of the quantizer is put forward
第四章分別對塊自適應量化（ baq ）演算法、非約束式極坐標量化（ upq ）演算法、塊自適應矢量量化（ bavq ）演算法和小波變換子帶編碼演算法進行了分析和研究，並詳細討論了這些演算法在工程實際中的應用。A parallel coordinate descent method for unconstrained optimization
無約束優化的并行坐標下降法The main task of this paper concentrates on such parts as calibration of measurement sensor, high speed and accuracy image collection and processing, data fusion of different angle of view, visualization of measuring results. to accomplish sensor calibration, a pinhole model of the camera is employed and an equation of a light plane is setup. parameters such as the m array of the pinhole model and the normal vector of the light plane arc acquired through experiment. in image processing, we adopt the template - changing parallel thinning method to improve processing speed and accuracy
主要研究了攝像機針孔模型的建立及測量傳感器的標定；圖像的快速高精度的採集和處理，在圖像處理中採用多幀平均演算法，很好地解決了速度和精度之間的矛盾制約；根據旋動理論建立空間坐標變換數學模型，進而建立其不同視角下的測量數據融合演算法，生成完整的物體三維數據集合；在vc平臺下編寫三維顯示軟體模塊，完成三維測量結果的可視化，實現了三維物體的任意角度的觀察、任意倍數的放大和縮小、任意方向平移及動畫效果。The kinematic performance of the macpherson suspension on a real vehicle is studied, and the changes of the front wheel alignment and the motion of the front wheel in the longitudinal and the transversal directions are figured. based on the requirements of general layout, a constrained optimization design model is set up with the steering cross rod ball joint position as the optimization variables ( design parameters ), and the sum of steering cross rod length interference while the left front wheel turning and bouncing as the objective function. and the optimization results are worked out by programming on computer
針對一種實際車型上的麥弗遜式懸架，計算分析了轉向輪跳動時前輪定位角和車輪橫向、縱向滑移量的變化情況，並根據實際車型上麥弗遜式懸架的空間布置要求，建立了以轉向橫拉桿斷開點空間位置坐標為優化變量，轉向橫拉桿斷開點空間布置坐標可變化范圍為約束條件，車輪轉向和跳動時轉向橫拉桿長度干涉量為目標函數的約束優化設計模型。To reduce the weight and cost of finishing mill to the minimum, optimum design computes the important parameters with constrained cyclic coordinate method, and precision is improved further. database is used to maintain data user puts into and infer
而輥系優化推理部分以降低精軋機重量和減少造價為目的，採用約束坐標輪換法對輥系和機架參數進行優化推理，進一步提高設計精度。By analyzing all sorts of data involved in the drawing of plane arrangement of the contact net, the paper then presents and realizes the sub - systems of drawing data management, which includes setting up the data structure, programming and managing of the data and provides the drawing data for the whole system used for the later drawing, finally by introducing the concerned theories of the parameterized design explains the similarities and differences and their applied scope of all kinds of parameterized technologies, and by associating with the features of the plane arrangement maps of the railway contact net analyzing size restraint of contact net
它是針對鐵路接觸網平面布置圖的特點來完成選擇區間或站場繪制、圖紙設定、圖型設定、字元高度、圖型坐標點、繪圖基點和圖型數據文件保存路徑的設置以及布置圖的標注欄和明細表尺寸設置；緊接著通過對接觸網平面布置圖的繪圖中所涉及的各種類型數據進行分析，提出並實現繪圖數據管理子系統，它包括建立繪圖系統的數據結構，對數據進行編輯管理，向整個系統提供繪圖數據，供其後的圖形繪制使用；最後通過對參數化設計的相關理論進行介紹，闡述了各種參數化技術的異同點和適用范圍，並結合鐵路接觸網平面布置圖的特點具體分析了接觸網線路的尺寸約束。In this paper, we convert the complex third order eigenvalue problems into the real third order eigenvalue problems. then, based on the euler - lagrange equation and legendre transformation, a reasonable jacobi - ostrogredsky coordinate system have been found, then using nonlinear method, the lax pairs of the real bargrnann and neumann system are nonlinearized, so as to be a new finite - dimensional integrable hamilton system in the liouville sense is generated. moreover, the involutive representations of the solution for the evolution equations are obtained
本文將復的三階特徵值問題轉化為實的三階特徵值問題，利用euler - lagrange方程和legendre變換，找到一組合理的實的jacobi - ostrogredsky坐標系，從而找到與之相關的實化系統，再利用曹策問教授的非線性化方法，分別將三階特徵值問題及相應的lax對進行非線性化，從而得到bargmann勢和neumann勢約束系統，並證明它們是liouville意義下的完全可積系統，進而給出了bargmann系統和neumann系統的對合解。Annual synthetical cost or power loss, etc. ) with physical constraints, such as load demand, line ' s capacity, substation ' s capacity etc. as we know, it is difficult to get differential function of a nonlinear objective function, so for simplifying the problem, a layered optimal strategy for multi - constrained substation positioning is proposed
變電站站址優化是在滿足諸如負荷需求、線路容量、變電站容量等約束的情況下，尋優新建變電站的位置坐標，使某目標值（例如，年綜合計算費用、線損等）達到最優。Secondly, the problem of the curve - surface mutual transforming and smooth - finishing have been analyzed farther. for the surface intersecting problem : owing to the introduction of the boundary points, as long as the intersecting points on a certain line, the full intersecting line can be gained. the intersecting line either intersects at the boundary of the triangle surface or forms the loop ; during the course of tracking, the selecting of the pace is restricted by the curvature, the number of the gained intersecting points are not in proportion as the chord - length ; the intersecting points not only record the coordinate and store the parameter
對兩曲面求交問題，當曲面細化足夠小時，曲面求交可近似看成曲面與平面相交問題，引進了邊界點的概念，因此只要知道交線上的任意點，就可以將跨越許多曲面片的整條交線計算出來，所求出的交線或者跨越曲面的邊界，或者形成交線環；從初始點出發跟蹤求解整條交線的過程中，步長的選擇採用了通過曲面片曲率來約束的方法，用該方法求出的交點在不同曲面片上的分佈數目不與弦長成正比；該求交方法包含了各曲面片的邊界線與交線的交點的求解，可獲得邊界交點的坐標值及其參數值。Present two constrain - based texture mapping methods using rbf and harmonic model interpolation respectively, which are expressed in explicit formulation and satisfy c1 or c2. combining wavelet decomposition and eri ( expression ratio image ), we propose a new parameterized algorithm for transforming facial expressional details
提出並實現了基於rbf 、 harmonicmodel插值的兩種基於約束的紋理映射演算法，可以實現形式化表示的、滿足一階或二階連續的紋理坐標插值。分享友人