線形符號法 的英文怎麼說

中文拼音 [xiànxíngfúháofǎ]
線形符號法 英文
line symbols method
  • 線 : 名詞1 （用絲、棉、金屬等製成的細長的東西） thread; string; wire 2 [數學] （一個點任意移動所構成的...
  • 符 : Ⅰ名詞1 （符節） tally （with two halves made of wood bamboo jade metal issued by a ruler to gener...
  • 號 : 號Ⅰ名1 （名稱） name 2 （別號; 字） assumed name; alternative name3 （商店） business house 4 （...
  • 法 : Ⅰ名詞1 （由國家制定或認可的行為規則的總稱） law 2 （方法; 方式） way; method; mode; means 3 （標...
  • 符號 : 1 （記號; 標記） character; sign; symbol; mark; code; notation; expression; denotation; sentinel ...
  1. We propose a combined slf method to extrapolate feeder load growth by using feeder ' s history peak value and the merits of gray theory and genetic programming ( gp ). at first, we adopt load transfer coupling method to correct load history and its error for load transfer. secondly, we get the real power - supply area by using layer overlap analysis, based on practical feeder path and distribution gis map layer

    將gis的空間信息分析功能應用於配網空間負荷預測的研究：綜合利用灰色理論及遺傳規劃（ geneticprogramming ， gp ）的優點，提出了一種根據饋線的歷史峰值負荷進行外推的組合slf法：首先採用負荷耦合回歸法來修正負荷歷史，消除由於負荷轉移引起的誤差；然後根據實際饋線路徑和配網gis圖形分層，運用圖層疊加分析得到饋線的實際供電范圍；接著採用灰色關聯度聚類方法對饋線負荷增長曲線進行聚類分析；最後採用gp來對灰色聚類結果進行符號回歸，分別得到每一類曲線的最佳擬合曲線形式。
  2. Topographical maps are the principal frame form of gis, and realization map digitizing and offering gis basic spatial data is one of the important research fields in surveying and gis, which is also necessity of development of science and technology. based on building gis - oriented topographical mapping system theories, this themes apply the advanced objectarx technology, aim at topographical mapping and exporting to gis, and resolve several key problems, such as symbols analysis and building, dtm and contour line automatic drawing, topographical map adjoining, digital image rectifying etc. and it offers models and arithmetic, realizing the general functions of gis - oriented topographical mapping system

    本文以建設面向gis的測量繪圖平臺理論為基礎，以autocad平臺下objectarx開發技術為核心，圍繞地形圖的成圖和入庫（ gis數據庫）這一課題，對其中的關鍵技術難題? ?符號庫的建立與實現、 dtm與等高線的自動繪制、地形圖接邊、數字化柵格圖像的定向與糾正、介面數據文件的生成等進行了研究分析，提出了相應的模型和演算法，實現了面向gis的測量繪圖系統的基本功能。
  3. Firstly, an eigenvector - fitting algorithm is used in contour lines color segmentation for extracting the color keys of map features ( include contour lines ) in order to reduce the phenomena of color - alias and color - misalignment

    具體工作如下:第一，採用本徵向量擬合演算法提取各類地圖符號（包括等高線）樣本的顏色特徵，用以克服掃描彩色地形圖中的顏色混淆和假彩色現象。
  4. The theory of normal form are used to investigated the normal forms in the four dimensional nonlinear systems with cubic nonlinearities. we give the computing results of maple programs by using the adjoint operator method

    利用共軛運算元法和逐項消去法等規范形理論研究了含有三次非線性項的四維系統的規范形，給出了利用maple符號推導程序所得到的計算結果。
  5. The distribution gis data management methods and its application in distribution running are systematically researched, which compose distribution gis network topology analysis ( nta ) and optimal rush - maintain path ( orp ), and distribution planning, which composes distribution spatial load forecasting ( slf ) : ( 1 ) with systematic analysis on the relationship between spatial data model and spatial data structure, the distribution feature and the two common gis data models are analyzed, which are vector and raster data models. then the conceptual and logic data models of distribution gis are designed. the spatial data storage structure is given by using vector method, and their detailed data management methods are proposed

    （ 4 ）將gis的空間信息分析功能應用於配網空間負荷預測（ saptialloadforecasting ， slf ）的研究：綜合利用灰色理論及遺傳規劃的優點，提出了一種根據饋線的歷史峰值負荷進行外推的組合slf法：首先採用負荷轉移耦合法來修正負荷歷史，消除由於負荷轉移引起的誤差；然後根據實際饋線路徑和配網gis圖形分層，運用圖層疊加分析得到饋線的實際供電范圍；接著採用灰色關聯度聚類方法對饋線負荷增長曲線進行聚類分析；最後採用遺傳規劃來對灰色聚類結果進行符號回歸，分別得到每一類曲線的最佳擬合曲線形式。
  6. By using the solutions of a new auxiliary elliptic equation, a direct algebraic method is proposed to construct the exact solutions of some nonlinear evolution equations. the main difference between this method and previous auxiliary elliptic equation methods is that the balance order becomes smaller after using the new auxiliary elliptic equation. therefore, the derived algebraic equations are greatly simplified. meanwhile, the obtained new solutions contain more parameters to be chosen. for some special cases, they give the previous known solutions. it is shown that some new exact periodic solutions of some nonlinear evolution equations are explicitly obtained with the aid of symbolic computation

    利用一個新的輔助橢圓方程將求解非線性發展方程精確解的問題轉化為一個代數方程組進行求解，與已有的輔助橢圓方程法的主要不同是，應用這一新的輔助橢圓方程后降低了平衡次數，減少了所得的代數方程組的個數和方程的項數，從而大大地簡化了代數方程組的求解.同時，由於輔助橢圓方程的解中包含了更多的可選參數，從而給出了非線性發展方程的更多形式的解.作為應用，藉助于計算機的符號計算，求得了一些非線性發展方程的新的精確周期解
  7. Finally, we study the ( 2 + l ) - dimension nonlinear dispersive long wave equation skillfully, we find the self - transformation between the two equations and turn the ( 2 + l ) - dimension nonlinear dispersive long wave equation into a simple ( 2 + l ) - dimension pde. then, with the homogeneous balance method we obtain the hopf - cole transformation between the ( 2 + l ) - dimension pde and the heat equation. through it, we obtain abundant exact solutions of the ( 2 + l ) - dimension nonlinear dispersive long wave equation with the matlab, including the multi - solitary wave solutions

    ） : = 0 . （ 2 ）巧妙的發現了（ 1 ）與（ 2 ）之間的自變換，將這個方程組轉化為一個簡單的偏微分方程，並利用齊次平衡法得到了此方程與熱傳導方程之間二維形式的物pf - cofe變換，從而藉助m胡ab的符號運算得到了2 + l維非線性色散長波方程包括多孤子解在內的多種新精確解。
  8. Design information modelling is an important problem in engineering design. aimed at the shortage of information description of multi - types & complex pipeline system design and management in 2d environment, a dynamic modelling method for design and management information based on the object encapsulation is firstly presented in this chapter by defining all sort of design symbols in object. following, the encapsulation models of different kinds of design symbols are designed distinguishingly in terms of their functional characteristics

    通過引用對象概念對各種設計符號進行定義，提出了基於圖形實體對象封裝的動態信息建模方法，並根據多類型復雜管線系統規劃布置中使用的不同功能符號的特點，分別建立了不同類型符號的封裝信息模型，同時設計了面向多類型復雜管線系統規劃信息管理的對象-關系模型映射機制。
  9. We give two methods to compute the normal form for the four dimensional nonlinear systems. the corresponding maple programs are also given in the appendix. the results obtained in this dissertation have a completely agreement with the results obtained in other papers

    利用共軛運算元法和規范形理論研究了含有三次非線性項的四維系統的規范形，給出了計算四維非線性規范形的兩種演算法，給出了相應的maple符號推導程序，所得到的結果與其它文獻所得結果完全一致。
分享友人
分享到 Line

分享到臉書