零維空間 的英文怎麼說
中文拼音 [língwéikōngjiān]
零維空間
英文
zero-dimensional space- 零 : Ⅰ數詞1 (零數) zero2 (數的空位) zero sign (0); nought 3 (表示沒有數量;無) nil; nought 4 (...
- 維 : Ⅰ動詞1 (連接) tie up; hold together; link 2 (保持; 保全) maintain; safeguard; preserve; keep ...
- 空 : 空Ⅰ形容詞(不包含什麼; 裏面沒有東西或沒有內容; 不切實際的) empty; hollow; void Ⅱ名詞1 (天空) s...
- 間 : 間Ⅰ名詞1 (中間) between; among 2 (一定的空間或時間里) with a definite time or space 3 (一間...
- 空間 : space; enclosure; room; blank; interspace
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For solving all these problems, through applying visualization technology of engineer design to the design of oil - feed unit, this paper constructs the entity model of oil - feed unit, establish the three - dimensional standard parts, implement the semi - automated and automated connect, and produce automatically the 2d or 3d part drawings. using this system the designer can observe and evaluate the space model of the unit, discuss the feasibility of space layout and the probable errors, so that the decision can be optimized and the competition of enterprise can be improved greatly
針對船舶供油單元設計、製造中的上述問題,本系統擬將工程設計可視化技術應用於船舶供油單元的設計,構造船舶供油單元的三維實體模型,建立三維標準件庫,實現管路的自動、半自動連接,自動生成管路的二維和三維零件圖,使得設計人員在設計階段就可觀察、評判單元的空間模型,直觀地探討空間布置的合理性和存在的問題,從而幫助決策的優化,提高企業競爭力。This paper introduces the methods of hyperspectral images band selection based on the property of hyperspectral remote sensing images, utilizes the projection pursuit approach to find optimal solutions for a selected projection index based on dynamical evolutionary algorithm and then project a high dimensional data set into a low dimensional data space to produce a sequence of projection images, explores zero - detection method to threshold projection images to detect anomaly tar get
摘要運用基於波段間相關性的高光譜影像波段選取方法進行波段的預選取,採用投影尋蹤的方法在動力演化演算法的基礎上尋找最佳投影方向,將高維數據投影至低維數據空間,在各投影分量圖像上採用零點檢測閾值化的方法進行異常目標的提取。Using the numerical computation method to simulate the pure air flowing in the plasma generator and using zero dimension theory and continuous medium hypothesis to establish the mathematical model of the plasma generator and applying the curvilinear coordinate to disperse the space of the plasma generator, applying simplec method to solve the set of discredited equations
應用數值計算的方法模擬了等離子發生器內部的純空氣流動,應用零維理論分析模型和連續介質假設建立了描述等離子發生器內部流動和傳熱的數學模型;採用貼體坐標系對等離子發生器的流場空間進行空間離散;採用simplec演算法來求解離散方程,獲得流場的數值解。Spline curves defined in the space constructed by polynomial and hyperbolic functions are studied in this paper. the main research contents and achievements are as follow : firstly, we generate the cardinal extended complete chebychevian ( ect ) - systems on the space constructed by polynomial and hyperbolic functions, then introduce the algebraic - hyperbolic b - spline space and identify the dimension law and zero properties. the existence of a basis of splines with minimal compact supports is demonstrated, and functions named non - uniform algebraic - hyperbolic b - splines are obtained by solving certain linear equations with a block matrix
本文主要研究定義在多項式和雙曲函數構成的空間上的樣條曲線,其內容和完成結果如下:一、生成由多項式和雙曲函數構成的空間上的一組典範式ect ( extendedcompletechebychevian )組及其對偶, ,證明非均勻代數雙曲b樣條空間的維數定理和零點定理,直接通過解塊矩陣線性方程組得到具有最小緊支撐的非均勻代數雙曲b樣條函數,進而構造非均勻代數雙曲b樣條曲線,還具體給出低階的表示Therefore, it can be used as an efficient new model for geometric design in the fields of cad / cam. at last, the spatial definition of periodic spline and natural spline constructed by polynomial and hyperbolic functions is given ; the dimension law and zero properties are demonstrated ; and therefore the non - uniform algebraic - hyperbolic period and natural spline curves are obtained. the applications of the low order are given in details
三、給出代數雙曲周期樣條及自然樣條空間定義,證明其維數定理和零點定理,構造具有最小緊支撐的非均勻代數雙曲周期及自然樣條函數,進而定義非均勻代數雙曲周期及自然樣條曲線,最後具體給出低階的表示和應用Two perpendicular polarized light states and a no - light state are applied to express information in the ternary optical computer. the three states are transformed via two - dimension liquid crystal element and polarizators, and ternary arithmetic operation and ternary logical calculus completed directly in this way. the ternary optical computer will possess enormously number of bit ( easy to 104 ), light processor, light transmission path and electric control system
三值光計算機用相互垂直的兩個線偏振光和零光強三個獨立的光狀態表示信息;用二維液晶器件和偏振器實現此三個狀態間的轉換;採用三進制算術運算;直接處理三值邏輯運算;擁有巨大的數據位數(容易超過10 ~ 4位) ;具有光運算、光傳送、電控制等結構特色,具有很強的空間、時間并行性。Trough comparing the analysis results of two kinds of calculation model, drawing the following conclusion : ( 1 ) this structure - design satisfies the standard ; ( 2 ) in analyzing the complicated high - rise building with transfer - floor, it is very necessary to adopt at least two three - dimension - space analysis procedures with different mechanic model and use the response - spectrum analysis and time - history analysis to analyze the structure earthquake response ; ( 3 ) the calculation model with elastic slab is better than the other with being infinitely rigid in the internal slab and zero in the external slab, which reflects the real load - function situation of the structure
通過比較兩種分析軟體的計算結果,得出以下結論: ( 1 )本結構設計滿足規范要求。 ( 2 )比較satwe和sap2000分析結果可知,對于復雜的帶轉換層的超高層建築結構應採用至少兩個不同力學模型的三維空間分析軟體進行整體計算以及採用振型分解反應譜法和時程分析法進行地震反應分析是必要的。 ( 3 )在sap2000分析中,將樓板模擬成彈性板,與satwe分析中的樓板平面內無限剛平面外剛度為零的模擬方式相比,這種模擬方式能更真實的反應結構的實際受力情況。4 ) the three - dimensional solid models of the spatial cam sliding tooth transmission are built up ; the assembling and exploding on the solid modes of those components are made ; the construction of this transmission device is described directly, and the checkout of the assembling coordination between the components of the spatial cam sliding tooth transmission can be done in the design stage
4 )建立了空間凸輪活齒傳動裝置的三維實體模型,並對實體模型進行裝配和爆炸處理,直觀地描述了該傳動裝置的結構,實現了在設計階段對空間凸輪活齒傳動零部件裝配協調性的校驗。The cnn with based - term will be restudieiin chapter 3. under certain parameters, the stationary solutions " iteration map is topological conjugate to a beruonulli shift of certain symbolic space. moreover, the spatial entropy function of the map is two - dimensional and can be obtained explicitly as a space devil - staircase
在本文第三部分,我們在閾值非零的情況下,重新對其定態解誘導的一維迭代映射進行了細致分析,得知在不同的參數范圍內,迭代映射拓撲共軛于不同的符號空間的有限子移位。Then we come to the nonlinear advection - dominated transport problem, only the one - dimensional case is discussed. it is shown that the unknown c and the adjoint p are optimally approximated when it is discretized with the lowest order mixed finite element space
擴散項均為非線性的情形,對一維問題採用零次混合元空間進行離散,得到了l ~ 2范數意義下關于c , p的最優誤差估計。A characteristic for the stability of the dimensions of the null - spaces of fredholm operators
運算元零空間維數擾動不變的特徵Hence, the transformation matrix composed with the eigenvectors corresponding to the largest eigenvalues of the transferred between - class scatter can maximize the fisher criteria
然後在這個零空間里,尋找對應于樣本類間離散度矩陣的較大特徵值的特徵向量作為最終降維的轉換矩陣。Based on the vector of point, the formula of moving envelope surface of the assembly part is given. according to determinant and vector theory, the method of working out the three - dimensional space arbitrary polyhedron volume is described
基於三維矢量理論和行列式理論,解決了計算三角面片的任意多面體體積及評估零件所需的實際裝配空間等問題。分享友人