橢圓系統 的英文怎麼說

中文拼音 [tuǒyuánxìtǒng]
橢圓系統 英文
elliptical system
  • 橢 : Ⅰ形容詞（卵形） oval-shapedⅡ名詞[書面語] （長圓形的容器） elliptic vessel
  • 系 : 系動詞（打結; 扣） tie; fasten; do up; button up
  • 統 : Ⅰ名詞1 （事物間連續的關系） interconnected system 2 （衣服等的筒狀部分） any tube shaped part of ...
  • 橢圓 : [數學] oval; oval shaped; ellipse; ellipsoid橢圓規 ellipsograph; [圖] elliptic trammel; 橢圓軌道 ...
  • 系統 : 1. （按一定關系組成的同類事物） system 2. （有條理的;有系統的） systematic
  1. 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，兩個演算法均在橢圓曲線上實現。
  2. In the system, the collimation semiconductor laser - scanned beam scanning two perpendiculars direct of one plane of the measured workpiece at the same time is made. the beams with the dimension information of two perpendiculars direct are processed by the scanning receive system, the high - speed photoelectric transition and electronic data process. two measured results of the diametric directs and ellipse tolerance, etc, parameter, of the turning workpiece on the same plane are obtained by non - contact automatic measurement

    在單向激光掃描檢測技術的基礎之上，提出了一種雙向激光掃描檢測系統，其採用激光掃描檢測技術與特殊光學系統相結合，用準直半導體激光掃描光束對被測工件徑向某一截面的兩個相互垂直方向同時掃描，經掃描接收光學系統、高速光電變換、電子學系統和微機數據處理系統，對將攜帶有垂直方向被測量信息的光束進行處理，實現了回轉體工件同一截面兩個垂直方向的徑向尺寸和橢圓度等參數的非接觸自動測量，解決了同時非接觸測量回轉體零件同一截面兩個徑向尺寸的難題，它具有高速，高精度和非接觸自動測量等特點。
  3. Polish or sand the exterior surface of stainless steel or aluminum discal ware products, which are in the shape of squareness, roundness and oblong. it adopts computer numerical control techniques to achieve polishing automatically

    本機器主要用於不銹鋼器皿或鋁製品方形圓形橢圓形等盤狀器皿的外表面拋光或砂光，它採用cnc自動操作系統，數控編程自動加工完成拋光大大降低工人勞動強度，保證產品質量穩定性及拋光亮度一致性，提高生產效率。
  4. 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

    對此文中通過對橢圓擬合約束條件的修改確保擬合的二次曲線為橢圓，從而實現了符號化跟蹤運動物體的系統。
  5. Sealed from water and dust, and employing an optics system consisting of two oval - shaped mirrors to transmit the sight picture to the firer, the oavd is designed to be intuitive to use and more accurate than electronic systems

    離軸式觀察裝置經過密封能防水、防塵，是具有兩個橢圓形反射鏡組成的光學系統，觀察目標更為直觀，與電子系統相比也更為準確。
  6. 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
  7. 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
  8. An electronic cash system with multiple banks based on proxy signature from elliptic curve was proposed

    摘要提出了一個基於橢圓曲線代理簽名的多銀行電子現金系統。
  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 conventional sphere model of earth and circle model of orbit are discarded, and the ellipsoid model and the ellipse model are selected for further research, which achieves a method to determine the target position through the antenna pointing direction. and the spaceborne sar system design and simulation software is brought forth. this software accomplishes sar system coefficients design for antenna area, pulse repetition frequency, signal bandwidth, downlink data rate, radar transmitter power and satellite platform yaw steering

    本文從星載雷達的星地幾何關系入手，舍棄傳統星載合成孔徑雷達研究中的球地球模型和圓軌道模型，研究了在地球橢球模型和橢圓軌道模型下由雷達天線確定目標坐標的方法，並在此基礎上研製了星載合成孔徑雷達系統設計與模擬軟體，完成雷達系統天線尺寸、脈沖重復頻率、信號帶寬、雷達信號數據率、雷達發射功率、衛星平臺的偏航牽引等幾個方面的系統參數設計以及雷達多普勒特性、雷達系統模糊、雷達定位及精度的分析，最後完成雷達回波信號的模擬。
  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. T. r. n. rao and chung - huang yang, " aryabhata remainder theorem : relevance to public - key crypto - algorithms, " proc. 2005 symposium on cryptography and information security, kobe, japan, january 2005, pp. 1111 - 1116

    楊中皇，橢圓曲線密碼系統軟體實現技術之探討，資訊安全通訊，第十一卷第一期，頁15 ~ 25 ， 2005年1月。
  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. Hangzhou grand theater ' s main part is 170m long and 136m wide, and the surface of it is consisted of ellipsoidal surface roof and conical surface gladding. based on wind tunnel test and theoretical analysis, the vibration mechanism, vibration shape, dynamic response and wind load factor of long - span combined structure consisted of ellipsoidal surface roof and conical surface gladding subjected to wind excitation are analyzed systematically in this dissertation, and some valuable results are obtained

    本文採用風洞模型試驗和計算機數值計算相結合的方法，對杭州大劇院大跨度橢球屋蓋和倒圓錐面幕墻組合結構的風振機理、風振形態、風振響應以及風振系數進行了較系統的研究，取得了有意義的結論。
  17. 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）
  18. Water system. oval attached flange. type and size

    水系統.橢圓附接法蘭.型式與尺寸pn 31 . 5mpa
  19. Based on the review, the fluid flow and heat transfer in the curved circular and rectangular pipes have been researched by employing perturbation method and numerical simulation with a physical model under the rotational orthogonal curvilinear coordinate in a rotating curvilinear pipe with multi - parameters. we firstly analyzed the fully developed fluid flow and heat transfer, mixed convection heat transfer, the development of flow and heat transfer in the inlet in different cross section ( circular, elliptical, annular and rectangular crossection ). the variations of the secondary flow, axial velocity, distribution of temperature, the friction force on the wall, the ratio of friction factor as well as the nusselt number with different dimensionless parameters had been examined in detailed

    本文在總結和分析了一個世紀以來有關曲線管道流動和換熱特性的研究成果的基礎上，以旋轉正交曲線坐標系統下的多參數旋轉螺旋管道中的對流傳熱為物理模型，通過攝動方法和有限體積法，首次對各種截面（圓截面、橢圓截面、環形截面、矩形截面）旋轉曲線管道內充分發展流動的流動結構和傳熱特性（包括耦合對流傳熱特性）以及旋轉曲線管道開口段發展流動的流動結構和換熱特性進行了系統的數值模擬和理論分析，詳細討論了各種無量綱參數對管道內軸向速度分佈、二次流結構、溫度分佈、壁面摩擦力、摩擦系數比以及管道nusselt數的影響，獲得了若干創新性成果。
  20. A high - order finite diference scheme for nonlinear convection - diffusion problems on nonuniform grids

    指數的半線性橢圓系統的非平凡解
分享友人
分享到 Line

分享到臉書