- 固定基础
- 固定基面
- 固定碱
- 固定营业基地
- fixed: adj. 1.固定的；确定的，不变的，固执的。 2.【化 ...
- base: adj. 1.贱的，劣的；卑下的，低级的；卑鄙的。 2. ...
- current with fixed base: 固定式接电器
- depreciation proportional on fixed base: 定数比例折旧
- fixed base current bias: 固定基极偏流
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fixed base中文什么意思
- 固定基础
- 固定基面
- 固定碱
- 固定营业基地
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例句与用法
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- 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
本文首先介绍并分析了椭圆曲线密码体制的优点及研究现状；其次研究了椭圆曲线密码体制的基本理论；第三，分析了椭圆曲线密码的安全性并介绍了密钥共享，加密，数字签名等椭圆曲线密码体制；第四，深入研究了特征为2的有限域f _ 2m中的元素在多项式基和最优正规基表示下的乘法运算和乘法逆运算的快速算法，并对hankerson等人提出的多项式基下的乘法运算的快速算法作了改进，而且在实验的基础上不仅分析研究了f _ 2m域中元素在多项式基和最优正规基表示下的乘法和乘法逆运算的性能，还对这两种基表示下的f _ 2m域中元素运算效率的优劣作了比较和研究，所得的结论可供在实现椭圆曲线密码体制时参考；第五，研究了目前流行的计算椭圆曲线标量乘法的快速算法，同时改进了固定基点梳形法，提高了整个系统的速度，并在实验的基础上分析研究了流行算法的优劣；第六，实现了基于f _ 2m的椭圆曲线密码体制的算法库，在我们的算法库中只需稍微改变便能实现基于任意尺寸的f _ 2m上的ecdh ， eces ， ecdsa等椭圆曲线密码体制；第七，实现了两条安全椭圆曲线上的椭圆曲线密码体制，包括ecdh ， eces ， ecdsa 。 - The paper is divided into five sections : chapter one is introduction . in this section , the subject of the study is offered through generalizing the developing process of smes " internationalization , and the confine of the study is fixed based on the aim of the research . also , the theoretic and practical significance of this study is discussed
本文共分五个部分：第一部分为引言，在简单地概括了中小企业的国际化发展历程后，提出了本文的研究问题，并从研究目的出发对本文的研究范围作了一个界定，从理论和现实两个方面阐述了研究中小企业国际化发展能力的意义。