In this paper,a completion method of circular codes is given.
文章给出了圆周码的完全化方法,并考虑了圆周码的一系列拟复合性质,从而为其它特殊圆周码的完全化提供了一个新的工具。
Finally,the intercepted signal is divided into multiple windows by sequence period,and the PN sequence is estimated based on the computing multiple cross-correlation.
首先,利用的二次谱方法对PN码周期进行估计,然后根据基带信号能量累积最大化的原理,运用二位搜索算法估计PN码同步起始点,最后,将信号按照PN周期分成多个时段,利用多重互相关方法估计PN码序列。
Period estimation of the PN sequence for direct sequence spread spectrum in multipath environment
多径环境下的直扩信号伪码周期估计
Period Estimation of PN Sequence Based on Spectrum of DS-UWB Signal
DS-UWB信号伪码周期的谱估计
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
PN Sequence Period Estimation of DS/SS Signals Based on the Improved Cepstrum Approach;
基于改进倒谱法的直扩信号伪码周期估计
Estimation of PN code period of DS-UWB signals based on reprocessing power spectrum
基于二次谱算法的DS-UWB信号伪码周期估计
Method of spectra for periodic detection of the PN sequence in the weak DS-SS signals with residual carrier
在残余频偏下微弱直扩信号伪码周期的谱检测
About the λ-period Distribution and the General λ-period Distribution of λ-cyclic Codes
关于λ-循环码的λ-周期分布和广义λ-周期分布
Monocycle Encoder and Its Real-time Error Correction Techniques;
单周期编码器及其误差实时校正技术
Blind estimation of PN sequence of Aperiodic DS/CDMA signals
非周期性DS/CDMA信号PN码序列的盲估计
Approach to Blind Estimation of PN sequence in Non-Peiodic DSSS Signals
非周期性DSSS信号的PN码序列盲估计
Properties of Structure and Period Distribution of Cyclic Codes over F_2+uF_2;
环F_2+uF_2上循环码的结构特征与周期分布
The Cyclicity Reflected on M Power s Addition of Natural Numbers;
自然数数码和的m次方映射数列的周期性
Research on Information Coding of Management Process of Cutting
基于刀具全寿命周期管理的信息编码研究
An Estimation Method for Information Bits Duration of Non-Periodic DS Signals
非周期性DS信号的信息码片时宽估计方法
Business cycle; trade cycle
商业周期,经济周期
period staggering
周期错调, 周期参差调谐
In this paper, the anti-jamming ability is analyzed from resisting noise and jamming signal which use same period m sequence.
从抗噪声和抗同周期不同码型伪码调制的干扰信号两个方面讨论了伪码调相引信的抗干扰性能。
The periodic oscillators at critical state are immune to noise and have sensitive dependence on weak sine signals or phase-coded signals at the same time.
临界混沌状态的周期振子对噪声具有免疫力,而对微弱的正弦信号或相位编码信号比较敏感。