橢圓線 的英文怎麼說

中文拼音 [tuǒyuánxiàn]
橢圓線 英文
ellipse line
  • : Ⅰ形容詞(卵形) oval-shapedⅡ名詞[書面語] (長圓形的容器) elliptic vessel
  • : 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...
  • 橢圓 : [數學] oval; oval shaped; ellipse; ellipsoid橢圓規 ellipsograph; [圖] elliptic trammel; 橢圓軌道 ...
  1. For a class of quadratic finite element diseretization systems of an elliptic boundary problem with jump coefficients under the unstructured quadrilateral grids, we are concerned with two kinds of quadratic lagrangian finite element equations, by analyzing the relationship between the linear finite element and quadratic finite element basis functions, a hew amg method is designed

    摘要針對一類帶間斷系數的邊值問題,在非結構四邊形剖分下,討論了兩種二次拉格朗日有限元方程的代數多重網格法,通過利用雙性元和二次元基函數之間的表示關系,給出了一種新的網格粗化演算法和構造提升運算元的代數途徑。
  2. Elliptic - beam antennas in satellite communications

    衛星通信中的波束天
  3. They not only inherit the advantages of bezier curves and b - spline curves, also can be used to represent straight lines precisely and some remarkable transcendental curves precisely, such as circular arc, ellipse, cardioids and twisted pair line etc. especially, the uniform t - b - spline curve of three degrees is smoother than b - spline curve and c - b - spline curve of the same order

    此外由於它們還具有三角函數的優點,故既可以精確表示直段、二次多項式曲段又可以精確表示弧、弧等二次曲以及心臟、雙紐等超越曲。特別地, 3次均勻t - b樣條曲曲面比同階均勻b樣條( c - b樣條)曲曲面具有更高的光滑度。
  4. With the concavity and integrability of sublinear terms near zero, the symmetry results for a class of sublinear elliptic equations are given by making use of the moving - plane method

    本文利用次性項在零點附近的凹性和可積性,用移動平面法給出了一類次方程正解的對稱性
  5. The digital signature based on elliptic curve crypt system

    基於密碼體制的數字簽名
  6. Ecc : elliptic curve crypto

    加密
  7. Ecc elliptic curve crypto

    加密
  8. In this paper, the security of the wtls is analysed. now elliptic curve and ripemd160 cryptograph algorithm is two latest methods and do not easily attack

    法和ripemd ? 160是兩種目前較新的加密演算法,且不易被破解,本文初步分析和研究了這兩種方法。
  9. This thesis mainly analyses security in the wtls and reasons for defects, study two solutions of security in the wtls which are elliptic curve and ripemd160 cryptograph algorithm

    本文主要分析了wtls的安全漏洞及其存在的原因,並在此基礎上研究了兩種解決wtls安全問題的方法? ?和ripemd ? 160演算法。
  10. Then the author focus on schemes including identification, digital signature and deniable authentication, and several classical algorithms are addressed as well. in addition, we analyze the differences between standard security paradigm and random oracle paradigm. based on all above, by using elliptic curve, we establish a new identification scheme and its corresponding digital signature scheme under random paradigm

    文章詳細的分析了認證系統的三種類型,即身份認證、數字簽名和消息認證,剖析了一些經典的方案,並對標準安全模式與隨機oracle模式做出比較,並基於隨機oracle模式提出了一個新的身份認證演算法及其相應的數字簽名變形,兩個演算法均在上實現。
  11. The main contributions of this dissertation include : firstly, deeply research on underlying techniques of pki system, emphatically analyze dissymmetrical public - key cryptography ecc and compare it with other cryptography techniques

    本文首先對pki體系的底層技術進行深入研究,重點分析了非對稱密碼密碼體制,並將它與其他密碼技術進行了比較。
  12. Adds three lines, a rectangle, and an ellipse

    添加三段直、一個矩形和一個
  13. Discuss the elliptic curve cryptosystems mainly

    主要討論公鑰密碼體制。
  14. A group signature scheme based on elliptic curve

    一個基於的群簽名方案
  15. Digital signature based on elliptic curve

    數字簽名在電子政務中的應用
  16. Asymptotic behavior of solutions to dissipative nonlinear evolution equations with ellipticity

    具有性質的耗散非性發展方程組解的漸近行為
  17. Under the assumption that the elastic tensor satisfies the strong - ellipticity condition, we reduce the two - dimensional equations of linearly elastic membrane shells to a first order linearly symmetric hyperbolic system

    摘要在彈性張量滿足強性條件的假設下,把2 -維性動態膜殼方程組化為一階性對稱雙曲組。
  18. Previous algorithms either fitted general conies or were computationally expensive. by modifying the ellipticity constraint, we can ensure what we get is an ellipse, so that we can get the symbol to track moving objects

    對此文中通過對擬合約束條件的修改確保擬合的二次曲,從而實現了符號化跟蹤運動物體的系統。
  19. Also we study the ecc crypto theory in the field of public crypto system, in which the ecc encrypt principle, safety, reliability, as well as the structure of ecc based on galois field is focused on

    研究了公鑰加密系統中的加密理論,詳細闡述了有限域上的結構及其基本運算; 3
  20. Then we show an algorithm design of the elliptic curve crypto based on galois field. as a main part, the design theory and concrete solution of it are presented step by step, ic chip design method for implementation of the algorithm is described in detail

    設計完成了一種基於有限域的加密演算法,主要包括適合於168bit加密的有限域乘法、加法、除法器的實現; 4
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