等積映射 的英文怎麼說

中文拼音 [děngyìngshè]
等積映射 英文
equiareal mapping
  • : Ⅰ量詞1 (等級) class; grade; rank 2 (種; 類) kind; sort; type Ⅱ形容詞(程度或數量上相同) equa...
  • : Ⅰ動詞(積累) amass; store up; accumulate Ⅱ形容詞(長時間積累下來的) long standing; long pending...
  • : 動詞1. (因光線照射而顯出物體的形象) reflect; mirror; shine 2. (放映) project a movie
  • : Ⅰ動詞1 (用推力或彈力送出) shoot; fire 2 (液體受到壓力迅速擠出) discharge in a jet 3 (放出) ...
  1. We reduce the cauchy problem of equations ( 8 ), ( 9 ) to an equivalent integral equations by the fundamental solution of a second order partial differential equation. then using the contraction mapping principle and the extension theorem of the solution we prove the existence and uniqueness of the global generalized solutions and the existence and uniqness of the global classical solution

    先是通過一個二階偏微分方程的基本解,把imbq型方程組歸) , p )的初值問題轉化為價的分方程組,然後利用壓縮原理、解的延拓定理證明了歸) ,問的初值問題的整體廣義解和整體古典解的存在唯一性
  2. The explicit finite element method ( fem ) based on the varying time - step was selected to analyse the dynamic roll - pass process ; the nodes on the leading face of the steady - state elements set was extracted and projected onto a plane to give the required mesh, also called the origin mesh ; the implicit fem was selected to analyses the inter - pass transient thermal process ; a geometric part from the mesh was generated and meshed by using the quadrilateral elements, a heat transfer analysis was selected to transfer the node temperature data ; a new model was created by using hexahedral elements, mapping the node temperature and the equivalent plastic strain on the integration points

    利用基於變步長中心差分格式的顯式分方法分析瞬態軋制過程;提取穩態單元集節點形成截面網格;利用隱式分方法分析軋制道次間隙瞬態溫度場;對型鋼斷面進行平面四邊形網格劃分並節點溫度數據;利用六面體單元構建有限元分析模型,單元節點的溫度、分點的效塑性應變,進行數值分析。
  3. Also, jian wang and xiao - ling ding found a special property named " quasi - dissipative " in a system concatenated by two area - preserving maps. the system can be viewed as a model of an electronic relaxation oscillator with over - voltage protection

    王健、丁曉玲人在一個描述有過壓保護功能的電子張弛振子的分段光滑保面中發現了一種被稱為「類耗散性」的特殊性質。
  4. Its content may be separated into two parts. the first part contains chapter one and chapter two, which treat of the harmonic maps from surface into symplectic groups and quaternion grassmann manifolds. the second part contains chapter three and chapter four, which treat of local isometric immersions from space forms or riemannian products of space forms into space forms

    全文分四章,內容可分為兩部分:第一部分包括第一、二章,主要論涉從曲面到辛群及四元grassmann流形的調和;第二部分包括第三、四章,主要論涉從空間形式或空間形式的局部riemann到空間形式的局部距浸入。
  5. In the third chapter, we will study the existence and uniqueness of the classical global solution and generalized global solution to the periodic boundary value problem and the cauchy problem for this kind of equation. in the second chapter, we study the following nonlinear wave equation of higher order : with the initial boundary value conditions or with where a1, a2, a3 > 0 are constants, ( s ), f ( s0, s1, s2 s3, s4 ) are given nonlin - ear functions, u0 ( x ) and, u1 ( x ) are given initial functions. for this purpose, by green ' s function of a boundary value problem for a fourth order ordinary differential equation we first reduce the problem ( 1 ) - ( 3 ) to an equivalent intergral equation, then making use of the contraction mapping principle we prove the existence and uniqueness of the local classical solution for the intergral equation

    本文分三章,第一章為引言;第二章研究一類非線性高階波動方程的初邊值問題的整體古典解的存在性和唯一性,以及古典解的爆破;第三章研究此方程的周期邊界問題和cauchy問題的整體廣義解和整體古典解的存在性和唯一性,具體情況如下:在第二章中,我們研究一類非線性高階波動方程的如下初邊值問題:或或其中a _ 1 , a _ 2 , a _ 3 0為常數, ( s ) , ( s _ 0 , s _ 1 , s _ 2 , s _ 3 , s _ 4 , )為已知的非線性函數, u _ 0 ( x ) , u _ 1 , ( x )為已知的初始函數,為此,我們先用四階常微分方程邊值問題的green函數把上述問題轉化為價的分方程,然後利用壓縮原理證明此分方程局部古典解的存在性和唯一性,又用解的延拓法證明上述問題整體古典解的存在性和唯一性,主要結果有:定理1設u _ 0 ( x ) , u _ 1 ( x ) c ~ 4 [ 0 , 1 ]且滿足邊界條件( 2 ) ,若以下條件滿足:其中a , b月0為常數, w
  6. On the assumption of ignoring the distortion of thickness, this paper determines the rough shape by the geometric modeling method of equal area developing using mixed mesh cell of triangle and quadrangle for the first time, presents the equal area developing arithmetic of quadrangle - triangle. on the virtual geometric symmetry axis, we puts forward the method of determining the developed coordinate of the point on the base band in the development of using regular quadrangle cell, determines the developed shape of internal structure in plane utilizing point - to - point mapping theory. furthermore, we realize the approximate developing of undeveloped - irregular boundary surface using a few triangle cells

    本文結合型號研製中小曲率機翼整體壁板類零件坯料展開課題,基於板料厚向變形忽略不計的先驗假設,首創混合四邊形-三角形網格展開的幾何模擬法確定壁板類零件毛坯外形,給出了混合四邊形-三角形網格展開演算法;提出了虛擬分割線的概念,採用虛擬幾何對稱軸,給出了規整四邊形單元展開基帶上結點的計算方法;採用原理和求交演算法確定了壁板內部結構信息的展開定位。
  7. The exact design methods of switched - current filters are summarized, such as the director synthesis of z - plane, euler mapping, state variable analysis, matrix decomposition, and signal - flow - graph simulation of the lc and switched capacitor prototypes. at the same time, a modified left decomposition matrix method is proposed to overcome the usual problems of large silicon area, high sensitivity and component spreads by minimizing the input circuits. examples of switched - current low - pass, high - pass and band - pass filters are given to verify the feasibility of these methods

    總結分析了實現高精度開關電流濾波器設計的各種實用方法,包括z域綜合法、歐拉法、模擬無源lc網路和開關電容網路的狀態變量法、矩陣分解法和信號流圖轉置法,並對左分解法加以整理改進,提出一種更為簡潔的設計結構,通過減化輸入電路克服一般電路中存在的佔用矽片面大、靈敏度高問題。
  8. The streamlines of the flow are obtained from an exact analytical treatment of the stokes equations by making use of finite element methods and complex function theory. based on the calculations, the formation and evolution of vortices in the flow are visualized

    運用有限元方法,從斯托克斯方程,連續性方程和流函數方程出發,通過有限元離散、參元、數值分和牛頓迭代,得到有限元方程的精確數值解,利用后處理軟體對得到的數值結果進行了可視化處理。
  9. With the help of successful experiences the space with - hereditarily closure - preserving cs * pair - networks and the space with - hereditarily closure - preserving psedobases have gained, this thesis makes a research of the space with - hereditarily closure - preserving pair - networks at the aspects of the yan pengfei ' s question of space with - hereditarily closure - preserving pair - networks and discusses the equivalent depiction of this space and the connection between this space and related generalized metric space and the topological properties of this space. at the same time, it make further consideration of the similar structure of space with - weakly hereditarily closure - preserving pair - networks

    本文圍繞燕鵬飛關于遺傳閉包保持雙網路空間的問題,藉助具有遺傳閉包保持cs ~ *雙網路空間和具有遺傳閉包保持偽基空間已取得的成功經驗,對具有遺傳閉包保持雙網路的空間進行研究,探索該空間的價刻畫及與相關廣義度量空間的聯系,並由此討論這類空間的可加性、遺華南師范人學碩十學位論文傳性、可性及性質拓撲運算性質
  10. The image generated by this method takes on continuity and fine. the method relates to spot noise, filter, convolution, render and texture mapping

    該方法涉及噪聲選取、慮波、卷、繪制、紋理技術,具有廣闊的發展前景。
  11. Since these are given by maps a # h - - > h a # h, and since h a # h is itself a smash product, all we have to do is how to use the characterization of maps between smash products obtained in section 2, and give the constituents of the comodule axioms

    因為a # h上左h -余模結構由a # h ha # h給出,而ha # h是smash,所以我們可利用第2部分中的兩個smash間的特徵,給出相應的分支所滿足的價條件。
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