此系统是基于椭圆曲线离散对数表示问题的。
The system is based on expression question of elliptic curve dispersed number.
它们的安全性都是基于椭圆曲线离散对数问题。
All of their security is based on elliptic curve discrete logarithm problem.
两种方案的安全性都是基于椭圆曲线离散对数问题的难解性。
Both of their security are based on the intractability of elliptic curve discrete logarithm problem.
方案的安全性基于求解有限域上椭圆曲线离散对数的困难性。
The scheme is efficient and practical, and its security is based on the difficulty of computing ellipse curve discrete logarithms problem.
协议的安全性是建立在目前尚未存在有效攻击方法的有限域上非超奇异椭圆曲线的椭圆曲线离散对数问题之上的。
The safety of this protocol is based on the elliptic curve discrete logarithm of non-supersingular elliptic curve over finite field, on which there has been no efficient attack method up to now.
该文描述了代数几何与ecc的数学基础及椭圆曲线离散对数问题困难性，讨论了ECC在电子商务中的安全应用。
This paper describes the mathematics base of algebraic geometry and ECC. It also discusses the elliptic curve discrete logarithm problem (ECDLP) and the security applications of ECC on E-commerce.
在NURBS曲线离散逼近算法的基础上，进一步提出了NURBS曲面离散逼近算法，并得出曲面面积近似计算方法。
Depended on the approximating subdivision algorithm of curve, the subdivision algorithm of NURBS surface has further proposed. And it draws the approximate calculating method of NURBS surface areas.
基于椭圆曲线离散对数问题，纪家慧和李大兴提出了一个代理签名方案和一个代理多签名方案，陈泽雄等人给出了另外两个代理多签名方案。
Based on the elliptic curve discrete logarithm problem, Ji and Li proposed a proxy signature scheme and a proxy multi-signature scheme and Chen et al. proposed two proxy multi-signature schemes.
超椭圆曲线密码体制是以超椭圆曲线离散对数问题的难解性为基础的，具有安全性高、操作数短等优点，相对于其他密码体制有明显的优势。
The hyperelliptic curve cryptosystem is based on the hyperelliptic curve discrete logarithm problem, and has the higher safety and the shorter operands compared to other cryptosystems.
应用连续曲线离散化思想，介绍了一种从已知工件轮廓曲线出发，按加工成形原理计算出YX-173A专用凸轮铣床仿形靠模轮廓数据的实用方法。
This paper introduces a practiced method of calculating the tracer contour data of YX-173A cam milling machine from the discrete curve of brake cam contour, based on the copying principle.
样条方法是当前自由曲线曲面造型最为常用的方法，动态规划为解决离散最优化问题的有效手段。
B-spline is the most popular method to present free-form curve and surface, and DP algorithm is the effective approach for solving discrete optimization problems.
通过合理地选择坐标轴，使对称连杆曲线的离散数据满足共轭对称性。
By properly setting the coordinate axis, the discrete data of a symmetric coupler curve are made to satisfy the conjugate symmetry.
介绍一种基于离散傅里叶变换(DFT)的全方向M型超声心动图运动曲线频域滤波技术。
The paper presents a method of motion curve frequency domain filtering in Omni-directional M-mode echocardiography images based on Discrete Fourier Transform (DFT).
本方法可用于平衡关系以曲线、离散的数据点或数学表达式形式给出的高、低浓度气体的吸收计算。
It can be used th the high or low concentraTion gas absorption processes with the equilibrium data given as curves, dispersed data or mathematical exPressions.
自由曲线的轮廓常用离散点来表示，而不是已知的数学方程，评定其轮廓度误差非常困难。
The profile of the random curve is expressed not by mathematical equation but by discrete points, which makes it very difficult to evaluate the profile error.
提出了一种应用于非开挖管线测量，在已知离散点曲率的情况下进行空间曲线重构的方法。
A reconstruction method of using the discrete curvature data for space curve was proposed on underground pipeline detection.
通过合理地选择坐标轴，使对称连杆曲线的离散数据满足共轭对称性。
By properly setting the coordinate axis, the discrete data of a symmetric coupler curve is made to satisfy the conjugate symmetry.
本文提出将给定函数或离散坐标点定义的曲线，分段用二次曲线拟合的计算方法。
A new calculation is presented, in which the given functions or curves defined by dispersed coordinate points are approximated by quadratic curve in several parts.
研究了用圆弧曲率估算截面数据离散曲率的方法和特征点提取方法，提出了基于曲线拟合的截面特征识别方法。
Other preprocessing methods such as discrete curvature estimation and feature point extraction are also studied, and a section-feature recognition algorithm, based on curve fitting, is proposed.
有时也把椭圆曲线类归为离散对数类。
Sometimes, the elliptic curve problem is also included into the discrete logarithm problem.
从离散数据点入手，得到了AK630舰炮理论凸轮曲线。
The theoretic CAM curve of AK630 Gatling naval gun was obtained from the analysis of discrete points.
当考虑到发电机报价曲线的影响时，发电计划偏差优化问题是一个高维、离散、约束条件复杂的非线性最优化问题。
Considering the generators bidding prices curves, the generation scheduling error optimization problem is high dimensional, disperse, complex constrained, non-liner problem.
通过对离散点进行短线段拟合的基础上，再利用曲线拟合的最小二乘法对圆和直线进行二次拟合。
On the basis of short straight-line fitting, this dissertation USES the least-square method of curve matching to discern circle and straight line.
同时，离散曲线演化模型有效的抑制了冗余骨架支的产生，得到了符合人类视觉规律的多尺度骨架。
Meanwhile, the redundant skeleton branches are eliminated by Discrete Curve Evolution model, the visual branches are remained completely, the skeleton from this algorithm satisfy human vision.
根据作者此前提出的离散解析原理，给出实现共轭曲线自适应综合的模型与算法。
On the basis of discrete analysis principle former ly put forward by the authors this paper presented the model and algorithm for realizing the adaptive synthesis of conjugate curves.
由于曲线往往不能够按要求被完全离散，因此需要对离散原则进行调整。
Because the curves always cannot be discretized completely pursuant to the given criterions, the discretization rules must be modified.
由于采集到的数据是离散的，须进行适当的曲线拟合才能保证满足系统要求的重量和电压之间的转换精度。
Owing to the discrete acquisition data, we should use fitted curve to find the optimal transformation between weight and volt.
由于采集到的数据是离散的，须进行适当的曲线拟合才能保证满足系统要求的重量和电压之间的转换精度。
Owing to the discrete acquisition data, we should use fitted curve to find the optimal transformation between weight and volt.
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