Design of pseudo-random sequence generator based on FPGA 基于FPGA伪随机序列发生器设计
An Optimized Algorithm for Pseudo-random Sequence Generation in 3GPP LTE 一种3GPPLTE伪随机序列生成优化算法
In this paper, a measurement method for detecting weak optical signal in polymer fibers is proposed, which utilizes the pseudo-random sequence ( PN) generated with FPGA. 提出了一种利用FPGA发出的伪随机序列检测微弱光信号的方法。
The Measurement of Polymer Fiber Properties Based on Pseudo-random Sequence 基于伪随机序列的聚合物光纤微弱光信号检测
Estimation of Pseudo-Random Sequence Duration of DS Signal Based on Differential Autocorrelation Cumulant 基于自相关差分累积量的长码DS信号伪码周期估计
A Novel Ultrasonic Ranging System Based on the Self-correlation of Pseudo-random Sequence 基于伪随机序列自相关性的新型超声波测距系统
Images Encryption Algorithms Based on the Decimal Prescribing Pseudo-random Sequence 基于小数开方伪随机序列图象加密算法研究
To improve the traditional detection methods related to the accuracy, used embedded watermark embedding two are not related to the pseudo-random sequence, greatly improve the detection accuracy. 为了提高传统相关性检测方法的准确率,嵌入水印时采用嵌入两个不相关伪随机序列的方法,大大提高了检测的准确率。
The Study on Pseudo-random Sequence Generation Method with Variable Parameter of Multistage Chaos Mapping 多级混沌映射变参数伪随机序列产生方法研究
Secondly, a cellular automata with a nesting structure on pseudo-random sequence and HASH function is designed; 然后设计了一种嵌套式细胞自动机用于伪随机序列发生和HASH函数;
Pseudo-random sequence with good randomicity can be generated. 应用该方法能够生成具有良好随机性、符合密码学要求的伪随机序列。
This paper presents a method of generating pseudo-random sequence by processing chaos data and the sequence is applied to the digital speech secure communication. The sequence's ability of anti-decipher is analyzed and its capability of random is tested. 本文提出了对混沌数据进行适当处理产生伪随机序列用于数字语音保密通信的方法,并对该序列进行了抗破译能力分析及随机性测试。
In this paper, based on the binary random coding methods, a fingerprinting algorithm and the corresponding tracing algorithm are proposed by using a pseudo-random sequence to control the embedding of the fingerprint bits. 基于二进制随机编码,通过使用伪随机序列对指纹比特的重复嵌入进行控制,提出了一种有效的抗合谋攻击的数字指纹编码算法及其相应的跟踪算法。
In this paper, the multiple access performances of spread spectrum with chaotic sequence and that with pseudo-random sequence, pseudo-( chaotic) time hopping and conventional time hopping are compared, in terms of theoretical analysis of bit error rate, simulation results and the receiver. 从误码率理论分析、性能仿真和接收机结构等几个方面对混沌序列扩频与伪随机序列扩频、伪混沌跳时与传统跳时多址接入方式进行比较研究。
In this paper, the authors extend the method of blind estimation of the pseudo-random sequence of the spread-spectrum signal, which is provided by literature [ 1], to the chaotic spread-spectrum communication system and improve it. 本文将文献[1]中对伪随机扩频序列盲估计的方法推广应用到混沌扩频通信中,并对其不足提出了改进方法。
Chaos Pseudo-Random Sequence and Digital Speech Secure Communication 混沌伪随机序列和数字语音保密通信
Application of the DSP in the Pseudo-random Sequence Generator DSP在伪随机序列发生器中的应用
Generation and Property Analysis of Pseudo-random Sequence based on Chaotic Theory 基于混沌理论的伪随机序列的产生及性能分析
Known-plaintext Attack on Chaotic Pseudo-random Sequence Generator 对一个混沌伪随机序列发生器的已知明文攻击
A new code generating method based on pseudo-random sequence is proposed. The generation of the absolute encoder as well as its application is described. 提出了一种基于伪随机序列的索引式绝对位置编码,介绍了它在绝对位置角度传感器中的应用和生成方法。
There are some difficulties in the research and implement of pseudo-random sequence parallel encrypt algorithm, that is caused by lack of an effective tool to support it. 伪随机序列并行加密算法存在研究和实现上的困难,主要原因就是没有一个有效对它进行支持的工具。
So the MPI-based pseudo-random sequence parallel encrypt algorithm will provide relevant application and research with new methods and directions. 因此,基于MPI的伪随机序列并行加密算法将会为相关应用和研究领域提供新的方法和方向。
Use the high-quality pseudo-random sequence to create pseudo-random FSK/ PSK signal; 用产生的高质量伪随机数设计伪随机FSK/PSK信号;
Phase control sequence ( PC sequence) is a new kind of pseudo-random sequence with excellent properties. 相控序列为一种性能优越的新型伪随机序列,长为(2~n-1)~2的PC序列可通过(2~n-1)~2的GMW序列和与相控序列相伴的交错序列交织生成。
This protocol adopts a pseudo-random sequence to avoid the unknown key-share attack and the known-key attack. 通过在密钥生成函数中引入伪随机数,防止了未知密钥共享攻击(theunknownkey-shareattack)和已知密钥攻击。
Given the extensive application of FPGA technology and the pseudo-random sequence has the similar correlation of white noise, the measurement process of the interference, noise has little effect on the correlation peak. 鉴于FPGA技术的广泛应用和伪随机序列具有与白噪声相近的相关特性,测量过程中的干扰、噪声对相关峰值影响很小。
First, the paper uses cryptography characteristic of chebyshev chaotic map to design a pseudo-random sequence generator of double chaotic system and analyze performance of the chaotic system. 首先,利用chebyshev混沌映射的密码学特性,设计一种双混沌系统的伪随机序列发生器,并对其进行性能分析和计算机仿真。
This algorithm makes the pseudo-random sequence possess more concealment and noise like characteristic, and overcomes the periodic malpractice caused by the computer precision and single chaotic system. A sequence encryption algorithm based on chaotic switch control. 本算法使伪随机序列的产生更具有隐蔽性和类似噪声的特性,克服了由于计算机精度和单一混沌序列加密所导致的周期性的弊端。基于混沌开关控制的序列加密算法。
M-sequence is a common-used pseudo-random sequence and has been widely studied. m序列作为一种最为常用的伪随机序列,一直是广大学者的重点研究对象。
In frequency hopping system, the carrier frequency of transmission signal is controlled by the pseudo-random sequence in order to improve the anti-jamming ability of the system. 在跳频系统内,通过伪随机序列对传输信号的载波频率进行控制,可提高系统的抗干扰能力。