linear feedback shift register meaning in English
线性反馈移位寄存器
Examples
- Lfsr : linear feedback shift register
线性反馈移位寄存器 - In this paper , we discuss a kind of filter generator whose filter functions have less input bits than the degree of the linear feedback shift register ( lfsr ) . by analyzing the structure of the filter generator and its equivalent system , we give out a conditional search algorithm ( csa ) to attack this kind of filter generators
针对滤波函数f ( x )的输入比特数m少于线性反馈移位寄存器级数n的滤波生成器,本文通过分析其等价的组合生成器的结构,以及不同节拍上驱动序列的各个符号之间的制约关系,给出了广义解序列的概念,并提出了类似遍历二叉树的条件搜索算法csa ,用于攻击该类特殊的滤波序列。 - 4 . the spreading sequences estimation algorithms based on linear feedback shift register ( lfsr ) , matrix eigenvalue decomposition ( evd ) , neural networks ( nn ) have been systematically studied in this paper . and the performance of these algorithms is analyzed by many simulations
4 、系统地研究了现有的扩频码序列估计算法,介绍了它们的理论基础,重点推导和证明了基于线性反馈移位寄存器( lfsr ) 、特征值分解( evd ) 、神经网络( nn )的pn码序列估计算法,并对这些算法进行了仿真验证,分析了它们的优缺点。 - After deeply studying all kinds of problems of current actualization methods , we put forward to a new actualization method of the technology of physical isolation on the base of cpld . we make a lot of research on data encryption and describe the design method of the encryption chip on the base of lfsr ( linear feedback shift register ) . after putting forward to the whole design procedure , we design an encryption chip on the base of lfsr , which can provide the high - quantity data stream of encrtption
在深入研究了常见物理隔离技术实现方案中存在的各种问题后，提出了一种基于cpld的全新实现方案；同时，对于存储信息的加密也进行了研究，详细阐述了基于移位寄存器的非线性组合序列密码的设计方法，提出了完整的设计流程，并设计了一个基于fpga的非线性组合反馈序列密码芯片，该芯片能提供高质量的伪随机密钥流。 - At first , some basic knowledge in stream cipher and cellular automata has been introduced ; second , properties of one kind of cellular automata such as its periodicity , its topologies and the connection between its states have been deeply researched ; third , the algorithms base on cellular automata and their security have been discussed ; finally , i have implemented one simple cellular automata and one simple linear feedback shift register , and have analyzed the advantage and the disadvantage of cellular automata
文章首先介绍了序列密码及细胞自动机的相关知识；然后对一类简单的加法细胞自动机的周期性、拓扑结构以及各状态之间的相互关系进行了研究；对利用细胞自动机构造序列密码和分组密码的方式及其安全性进行了研究；最后实现了一类简单的ca和lfsr ，分析了细胞自动机在硬件实现上的优点。