橢圓域 的英文怎麼說

中文拼音 [tuǒyuányù]
橢圓域 英文
elliptic domain
  • 橢 : Ⅰ形容詞（卵形） oval-shapedⅡ名詞[書面語] （長圓形的容器） elliptic vessel
  • 域 : 名詞（在一定疆界內的地方; 疆域） land within certain boundaries; territory; region
  • 橢圓 : [數學] oval; oval shaped; ellipse; ellipsoid橢圓規 ellipsograph; [圖] elliptic trammel; 橢圓軌道 ...
  1. 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橢圓曲線加密理論，詳細闡述了有限域上橢圓曲線的結構及其基本運算； 3
  2. 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橢圓曲線加密演算法，主要包括適合於168bit橢圓曲線加密的有限域乘法、加法、除法器的實現； 4
  3. This thesis is composed of following parts : the fundamental theory of the modern cryptology is briefly researched, in which the mathematic model of cryptology, data encrypt principle and galois field theory related with elliptic curve crypto is discussed

    論文的主要內容為： 1研究了現代密碼學相關的基本理論，介紹了密碼系統的數學模型、數據加密原理和與橢圓曲線加密密切相關的有限域理論； 2
  4. Including the importing of the elliptic ctirve, the geometrical meaning of the operation on the curve, the finite fie1ds and domain parameters on the curve

    包括橢圓曲線的引入、曲線上運算的幾何意義、有限域上的橢圓曲線以及橢圓曲線域參數的含義。
  5. Most of the meteoroids of the leonid meteor stream concentrate in an elongated thin ribbon - like region. the stream orbits around the sun in an elliptical orbit with a period of about 33 years

    獅子座流星群聚集於一條狹長的區域內，以極為橢圓形的軌道環繞太陽運行，周期約為
  6. Black paradise fish inhabits in sluggish, swampy of water bodies, with elliptical and laterally compressed body, black to grayish body ; during spawning season, males exhibit a dark colour ; males have a maximum size about 12cm while females about 8cm

    它主要生長在水流緩慢的沼澤水域，身體呈橢圓形，側端扁平，體色偏黑，在繁殖時體色會變得深黑成熟的公魚可長至12公分左右，母魚則長8公分左右。
  7. Based on the method expressing the positional uncertainty of point entities in surveying and mapping, uncertainty ellipse was employed to characterize the uncertainty region for the error dispersal of 2d target ' s position, and uncertainty ellipsoid for the 3d target. 1 - uncertainty ellipse was derived from positional error covariance

    借鑒測繪學科中衡量點元位置不確定性的方法，分別用橢圓和橢球來表示二維目標和三維目標的位置誤差散布的不確定性區域。
  8. Based on the error theory of point measurement are the identifying of the error range set, sketch of the error ellipse, analysis on displacement of the monitoring sites and error detection, providing a fundamental theory infrastructure for dynamic assessment of surface displacement and gray prediction

    根據點位測量的誤差理論，確定定誤差值域范圍，繪出誤差橢圓；對各監測點進行位移與誤差判別分析，為地表位移動態分析和灰色預測提供理論基礎。
  9. A regional satellite navigation system which is made up of geosynchronous satellites and synchronous satellites with elliptical orbit is proposed

    摘要提出了一種用靜止衛星和同步橢圓軌道衛星構造的區域衛星定位系統。
  10. Chapter 3 proposed a constellation scheme for a regional satellite navigation system. the constellation is consist of geosynchronous satellites and synchronous satellites with elliptical orbit

    第三章在分析了適用於構造區域衛星定位系統的衛星軌道類型后，提出了利用靜止衛星和同步橢圓軌道衛星構造星座的方案。
  11. The sufficient safety elliptic curves based on different base field are chosen, including the basic points and orders are chosen

    基於不同基域的安全橢圓曲線選擇，包括基點和階的選取。
  12. Selection of secure elliptic curves, implementation of elgamal encrytion and signature over big prime field ; 2. fpga implementation of point multiplication ; 3. at last put forward two blind signature based on ecc, nyberg - rueppel blind scheme and dsa blind scheme, these two schemes can be used in e - cash svstems

    作者所做的主要工作有： （ 1 ）實現了安全橢圓曲線的選取，實現了基於大素數域上的橢圓曲線的elgamal加解密和數字簽名： （ 2 ）設計了標量乘的fpga功能模擬； （ 3 ）最後提出兩種用橢圓曲線密碼體制實現的盲簽名方案，基於ecc的nvberg - rueppel盲簽名方案和基於ecc的dsa盲簽名方案，這兩種方案可以用於電子現金系統獲得匿名性。
  13. Solvability for certain semilinear elliptic equations in the bounded domain with a hole

    有界洞形區域上一類半線性橢圓型方程的可解性
  14. Firstly, we generalize and analyze the advantages and present research of elliptic curve cryptography ; secondly, we study the basic theory of the ecc ; thirdly, we illustrate the safety of the ecc and discuss the elliptic curve key agreement scheme, elliptic curve encryption scheme and elliptic curve digital signature algorithm ; fourthly, we study fast algorithms of the multiplication and inversion multiplication of the element of in the underlying finite field f2m whose characteristic is two represented by the two basis of optimal normal basis and polynomial basis. we make improvements to the fast algorithm of the polynomial basis multiplication by hankerson and base on the experiments, we describe the properties and compare the advantages of the multiplication and inversion multiplication of the elements in f2m field under optimal normal bases and polynomial basis. results concluding from the study car be used as references in the realization of the elliptic curve cryptosystem ; fifthly, we overview the current fast algorithm of point multiplication, improve the fix base point comb algorithm, advance the speed of the whole system and remark the advantages and disadvantages of the popular algorithms based upon the experimental datas ; sixthly we realize the algorithm library of elliptic curve cryptography based on the f2m. only change slightly in our algorithm library can we realize the ecdh, eces, ecdsa based onf2m of anysize ; seventhly, we realize the ecc on two secure elliptic curves, including ecdh, eces, ecdsa

    本文首先介紹並分析了橢圓曲線密碼體制的優點及研究現狀；其次研究了橢圓曲線密碼體制的基本理論；第三，分析了橢圓曲線密碼的安全性並介紹了密鑰共享，加密，數字簽名等橢圓曲線密碼體制；第四，深入研究了特徵為2的有限域f _ 2m中的元素在多項式基和最優正規基表示下的乘法運算和乘法逆運算的快速演算法，並對hankerson等人提出的多項式基下的乘法運算的快速演算法作了改進，而且在實驗的基礎上不僅分析研究了f _ 2m域中元素在多項式基和最優正規基表示下的乘法和乘法逆運算的性能，還對這兩種基表示下的f _ 2m域中元素運算效率的優劣作了比較和研究，所得的結論可供在實現橢圓曲線密碼體制時參考；第五，研究了目前流行的計算橢圓曲線標量乘法的快速演算法，同時改進了固定基點梳形法，提高了整個系統的速度，並在實驗的基礎上分析研究了流行演算法的優劣；第六，實現了基於f _ 2m的橢圓曲線密碼體制的演算法庫，在我們的演算法庫中只需稍微改變便能實現基於任意尺寸的f _ 2m上的ecdh ， eces ， ecdsa等橢圓曲線密碼體制；第七，實現了兩條安全橢圓曲線上的橢圓曲線密碼體制，包括ecdh ， eces ， ecdsa 。
  15. A systematic summary of previous work has been given first. then this paper presents a novel multi - stage face detection algorithm, which makes a good use of human face pattern ' s valuable information in colour image sequences. the difficult detection task has been divided into four steps : the preprocessing, which is to gain skin colored regions with human skin color model ; the roughly detection and face region refining by elliptic curve fitting ; the fine detection with facial features " detection and location ; the face / non - face classification step based on pca and gaussian density estimation technique

    本文對彩色序列圖像中的人臉檢測和跟蹤技術進行了深入的研究，其具體內容為：對近年來的研究工作進行了系統的介紹；提出了一個由粗到細的多階段的人臉檢測演算法，該演算法充分利用了序列圖像中人臉模式的各種有用信息，將復雜的檢測工作分為了四個部分：膚色區域分割預處理，人臉粗檢及利用橢圓擬和的人臉區域提煉，應用人臉基本特徵檢測和定位的人臉細檢， pca結合高斯概率密度估計的人臉驗證。
  16. In the last part of this chapter, we will summarize the main results of existence, uniqueness and regularity for solution of such kind of problems. in chapter ii, we consider a class of boundary value problem for second order degenerate elliptic equations on a bounded periodic domain ft, which is homeomorphic to the cylindrical surface

    使用橢圓正則化方法分別在每個區域上討論dirichlet問題，即先構造輔助問題，並建立輔助問題的能量不等式，然後由緊性推理方法，利用輔助問題的解的某種收斂性來得到原問題的弱解存在性。
  17. The main task of this article contains : ( l ) compares algorithm and encryption and decryption between the widely - used public key encryption system rsa and ecc ; ( 2 ) directing against present elliptic curve attack algorithm, uses sea algorithm to perform choosing of safe elliptic curve and to achieve based on prime field elliptic curve ' s elgamal encryption and decryption and digital signature ; ( 3 ) discusses elliptic curve ' s application on smart card and proposes two identification plans based on eec

    綜上所述，本論文所作的主要工作有： （ 1 ）對目前應用較廣的公鑰密碼體制rsa和ecc演算法及加解密實現進行比較。 （ 2 ）針對目前已有的橢圓曲線攻擊演算法，使用sea演算法實現了安全橢圓曲線的選取，實現了基於大素數域上的橢圓曲線的elgamal加解密和數字簽名。 （ 3 ）討論了橢圓曲線在智能卡上的應用，並提出了兩種基於ecc的身份認證方案。
  18. The primary advantage that elliptic curve systems have over systems based on the multiplicative group of a finite field ( and also over systems based on the intractability of integer factorization ) is the absence of a subexponential - time algorithm ( such as those of index calculus type ) that could find discrete logs in these groups

    與基於有限域的乘法群系統（及基於整數分解的難解性之上的系統）相比，橢圓曲線系統的優勢在於，迄今為止還沒找到這類群上離散對數的次指數時間演算法（如微積分類）
  19. Stability of solution of a class quasilinear elliptic equation, acta mathematictae sinica, english series. vol. 18, no. 3 ( 2002 ) 461 - 470

    無界域上一類橢圓方程無窮多解的存在性，數學學報， 2002年第4期。
  20. In order to satisfy the new requirement of the police on arresting criminals by on - line information, we took deep research in the recognition of human ' s frontal face, and did lots of experiments in the period of automatic face locating and feature extracting. in this dissertation we proposed a new adaptable two - step face locating algorithm, which combined hbel algorithm and ellipse - model matching algorithm, and men we use eigen - region analysis ( era ) to extract feature

    本文以公安系統的網上追逃為研究背景，著重對人臉正面圖像的靜態匹配做了深入探討，在人臉自動定位和人臉特徵提取方面做了大量的實驗與工作，並獨創性地提出了自適應的二級人臉定位演算法（ hbel演算法+橢圓模板匹配演算法） ，使用基於特徵區域的分析來提取人臉特徵進行識別。
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