查询词典 congruential

The thesis brings forward Random Number Sequence Shuffling Technology in a creative way,it can reduces the Linear Congruential Generator pertinency and discrete grid phenomena prominently.

创造性地提出在遗传算法中随机数序列处理的新方法——随机数序列洗牌技术，有效克服了线性同余发生器产生的随机数序列相关与离散网格现象。

Three uniform random sequences are built by the linear congruential method, of which two are used to form integer num, ber and decimal fraction parts of the new random sequence respectively and the third to shuffle the new sequence.

采用线性同余法生成3个均匀分布随机序列，其中两个分别组成新的随机序列的整数和小数部分，第3个用来对新序列进行混洗。

Design random number generators with good independence and good uniformity is the key in reliability parallel simulation. Four algorithms of parallel random number generators are introduced. They are segmented parallel algorithm and leapfrog parallel algorithm of multiplicative congruential generator and generalized feedback shift register generator, parallel algorithm of lagged Fibonacci generator, and parallel algorithm of combined generator.

可靠性并行仿真的关键问题是设计独立性、均匀性良好的并行伪随机数序列，本文给出了基于分段并行算法和跳跃式并行算法的乘同余发生器、GFSR发生器和延迟Fibonacci发生器、组合发生器等的并行算法，组合发生器能够产生周期为2.3×10〓的伪随机数序列，且品质良好。

aim: to generate random sequences that can fit the anticipated probability distribution based on the thinking of mc, methods: we establish a method in the ide of visual studio by the way of linear congruential method to generate random sequences.we also test the homogeneity and independence by the chi-sqare goodness of fit test and self-correlation test.

v+\$oXb；L^7h_0 目的：基于mc法生成符合预期概率分布的随机序列，以便应用在以后的仿真系统中。方法：应用线性同余法在visual studio环境中建立随机模型模拟随机序列生成。并采用χ2拟合优度检验法和自相关检验法检验生成的随机序列的均匀性、独立性。

Two major linear random number generators, the linear congruential generator and the multiple recursive generator, have been widely studied and used for many decades. Nowadays, as the price decreasing of computer processors, parallelization of the generators is being concerned for, at least, the computational efficiency purpose.

线性同余法（linear congruential generator，LCG）与k阶乘余法（multiple recursive generator，MRG）至今仍为乱数产生器常使用的两大线性方法；而近日，由於电脑处理器成本下降，平行化计算因而被广泛研究与使用，以改善因分析与模拟资料量与日俱增，电脑运算效率降低之问题。

This dissertation investigates the construction of pseudo-random sequences (pseudo-random numbers) from elliptic curves and mainly analyzes their cryptographic properties by using exponential sums over rational points along elliptic curves. The main results are as follows:(1) The uniform distribution of the elliptic curve linear congruential generator is discussed and the lower bound of its nonlinear complexity is given.(2) Two large families of binary sequences are constructed from elliptic curves. The well distribution measure and the correlation measure of order k of the resulting sequences are studied. The results indicate that they are "good" binary sequences which give a positive answer to a conjecture proposed by Goubin et al.(3) A kind of binary sequences from an elliptic curve and its twisted curves over a prime field F_p. The length of the sequences is 4p. The "1" and "0" occur almost the same times. The linear complexity is at least one-fourth the period.(4) The exponential sums over rational points along elliptic curves over ring Z_ are estimated and are used to estimate the well distribution measure and the correlation measure of order k of a family of binary sequences from elliptic curves over ring Z_.(5) The correlation of the elliptic curve power number generator is given. It is proved that the sequences produced by the elliptic curve quadratic generator are asymptotically uniformly distributed.(6) The uniform distribution of the elliptic curve subset sum generator is considered.(7) We apply the linear feedback shift register over elliptic curves to produce sequences with long periods. The distribution and the linear complexity of the resulting sequences are also considered.

本文研究利用椭圆曲线构造的伪随机序列，主要利用有限域上椭圆曲线有理点群的指数和估计讨论椭圆曲线序列的密码性质——分布、相关性、线性复杂度等，得到如下主要结果：(1)系统讨论椭圆曲线-线性同余序列的一致分布性质，即该类序列是渐近一致分布的，并给出了它的非线性复杂度下界；(2)讨论两类由椭圆曲线构造的二元序列的&良性&分布与高阶相关性(correlation of order κ)，这两类序列具有&优&的密码性质，也正面回答了Goubin等提出的公开问题；(3)利用椭圆曲线及其挠曲线构造一类二元序列，其周期为4p(其中椭圆曲线定义在有限域F_p上)，0-1分布基本平衡，线性复杂度至少为周期的四分之一；(4)讨论了剩余类环Z_上的椭圆曲线的有理点的分布估计，并用于分析一类由剩余类环Z_上椭圆曲线构造的二元序列的伪随机性；(5)讨论椭圆曲线-幂生成器序列的相关性及椭圆曲线-二次生成器序列的一致分布；(6)讨论椭圆曲线-子集和序列的一致分布；(7)讨论椭圆曲线上的线性反馈移位寄存器序列的分布，线性复杂度等性质。

Connectors are lines that can be anchored to particular places, called glue points , on the graphic object.

连接符，可固定在图形对象的特定的地方的线条。

Another way of putting it, too many agents have a say in each other's work, and bureaucratic rigor mortis sets in.

另一种表达是，太多的作用物在彼此的工作里都有话语权，官僚的僵尸开始抬头。