矢量模的基底 的英文怎麼說
中文拼音 [shǐliángmódejīde]
矢量模的基底
英文
basis of a vector module-
The article illuminates mainly two segments color - separation model based on three dimensions, gives a model conception on a knowledge base of unification technology and analyse and design digital prepress system from the whole on the problem of systemic requirement analysis. second, the article brings forward new data compress method based on memory stream and sets up new data structure to realize undo and redo methods based on analyzing all kinds of datas referred to on systemic based construction. because printing and dyeing cad system deals with many arithmetics on graphics ans image and production technics, the article illuminates vector conception, expatiates gray graphic vectorization and brings forward to graphic component ' s conception to enhangce the systemic stability and manipulating speed and improve graphic transmission
在印染cad系統的需求分析問題中,結合目前印染行業的發展和實際cad系統的整體構架,著重闡述了基於三維空間的二段法分色模型,提出了一體化工藝知識庫這個模型的概念,對數字印前系統做了整體的分析、設計在系統的底層架構問題上,著重分析了cad系統涉及到的各類數據,提出一種新型的基於內存流的數據壓縮方法,同時設計了自己的數據結構,用以實現系統的undo 、 redo操作,由於整個系統涉及眾多的圖形圖像演算法和實際工藝,為了提高系統的穩定性和操作速度,以及增強圖像的網路傳輸功能,在部分演算法中採用了矢量的概念,著重講解了灰度圖像矢量化,並且提出了圖像組件這一嶄新的概念。In this paper, based on summarizing previous numerical studies on wave transformations, several works are documented : based on the mass conservation equation and euler ' s equation, the extended form of boussinesq equations is derived by using the velocity at an arbitrary water depth as the independent variable, and several terms are added into governing equations to model the effects of bottom friction, wave breaking and subgrid turbulent mixing
本文在總結概述前人關于boussinesq方程波浪數學模型研究進展的基礎上,主要做了以下幾點工作:從質量守恆方程和euler方程出發,以某一水層處水平速度矢量作為獨立變量,推導出包含底摩擦耗能、波浪破碎效應和子網格湍流效應的改進型boussinesq方程。Basis of a vector module
矢量模的基底Aim to the special model nc bend tube, use the modeling method that essential parameter drive product sample model ; 3 ) in the foundation that summing up a rule of optimized welding assembly underside of tube, develop the nc bend tube welding underside optimization design tool, then complete the optimization design united with two application methods : rotation method and the least squares method ; 4 ) propose a design method of nc bend tube welding jig bottom base, then establish model storehouse according to the design rules, and endow the foundation model with assembly feature
針對多數通用型數控導管,運用矢量轉換演算法反求得導管關鍵特徵,並據此創建導管模型,針對特殊造型數控導管,使用關鍵參數驅動產品庫樣本模型的方法完成建模; 3 )在歸納總結了焊接底面創建規則的基礎上,開發數控導管焊接底面優化設計工具,分別應用旋轉法和最小二乘法兩類方法完成底面的優化設計; 4 )提出了一種數控導管焊接底座設計方法。分享友人