查询词典 quadratic

By the age of 19 Gauss had discovered for himself proved a remarkable theorem in number theory known as the law of quadratic reciprocity.

将number theory 误为"数理"，系不了解专业所致，其实8ttt8.com 它在数学上是指"数论"，与"数理"是两个不同的概念。

Quadratic reciprocity.

明了数理定理——二次互反律。

In Chapter 3, we study a special cyclic code over ring—quadratic residue code over ring.

第三章研究了环上的一类特定循环码－－二次剩余码。

Al(1984) as generalized quadratic residue cyclic codes over fields.

在纠错码理论中，duadic码是一类重要的线性码。

At the end of this chapter, we will present the basic rules for designing the cryptosystem, whose security of these crytosystems is based on quadratic residue problem.

在新的攻击方法之下，N-S数字签名方案是不安全的。

The generation of watermark information is based upon quadratic residue theory and Rabin cipher system.

水印信息的产生基于二次剩余理论和Rabin密码体制，该算法在多个水印与宿主程序之间建立功能性的依赖关系，对真实水印起到防篡改的作用，增加了攻击难度，从而可对该类水印进行有效保护。

He and Wu proposed fast digital signature scheme, which is based on quadratic residue (called H-W digital signature scheme).

Shao设计的方案进行分析，并提出两种攻击方法。

And the quantum quadratic residue codes. Isometries and equivalences of quantum codes also are researched.

详细研究了量子二次剩余码与经典二次剩余码的关系，并对量子二次剩余码做了好的扩展。

And then, this dissertation proposed a secret sharing scheme of secure vector space based on quadratic residue.

利用特定条件下计算二次剩余的困难性，恢复秘密时验证各参与者提供的份额的有效性，也=肖清华二杜绝了恶意参与者欺诈的可能性；(2)在秘密共享一多重签名方面，本论文针对数字签名的可跟踪性，以及确认签名是否来自同一个参与者授权子集这两个问题，指出了秘密共享和多重签名各自存在的不足，在此基础上，把两者结合起来，并从门限秘密共享一多重签名、矢量空间秘密共享一多重签名两方面对秘密共享一多重签名技术进行探讨，把 Sunder一Kumar门限秘密共享一多重签名方案推广到更为广泛的矢量空间上，并独立地提出了一个双通道的安全矢量空间秘密共享一多重签名方案。

The first kind of the digital signature schemes is based on the discrete logarithm problem and second kind of the digital signature scheme is based on discrete logarithm and factorization problem, the third kind of the digital signature schemes is based on quadratic residue problem.

本文第一章对数字签名方案进行分类，根据数字签名方案所基于的数学问题，将签名方案分为：基于离散对数问题的数字签名方案，基于素因子分解问题的数字签名方案和基于二次剩余问题的签名方案。

According to the clear water experiment, aeration performance of the new equipment is good with high total oxygen transfer coefficient and oxygen utilization ratio.

曝气设备的动力效率在叶轮转速为120rpm～150rpm时取得最大值，此时氧利用率和充氧能力也具有较高值。

The environmental stability of that world - including its crushing pressures and icy darkness - means that some of its most famous inhabitants have survived for eons as evolutionary throwbacks, their bodies undergoing little change.

稳定的海底环境─包括能把人压扁的压力和冰冷的黑暗─意谓海底某些最知名的栖居生物已以演化返祖的样态活了万世，形体几无变化。