搜索资源列表
m_sequence
- 使用Matlab软件来产生PN序列的程序-Using Matlab software program to generate PN sequences
pn
- 通过移位寄存器的方法产生m序列。已编译好!-Produced by the method m shift register sequence. Has been compiled!
DSSS
- 设计一个有干扰的直接序列扩频通信系统, PN码由m序列产生器产生,经过高斯白噪声信道。在接收端接收到的信号包括“有用信号+高斯白噪声+干扰”,将接收信号进行解扩,判决,得到用户的信号检测结果,绘制不同的扩频增益(增益值为10,30,50)下,误比特率随信噪比Eb/N0的变化曲线。-Design of a direct sequence spread spectrum interference system, PN code genera
PN_sequence_generation
- 直接序列扩频通信系统建模与仿真 PN码序列产生代码(matlab)-PN code sequence generated code (matlab)
ChaoticSequence
- 用于在MATLAB环境下生成混沌序列(含MATLAB下的源代码)-Generated in the MATLAB environment for the chaotic sequence (including the source code under MATLAB)
pn
- 基于Xilinx的ISE9.0编译的周期为63的m序列-Compiled based on Xilinx' s ISE9.0 63 m sequence of period
AdifferentiallycoherentPNcodeacquisitionreceiverfo
- IEEE经典文章,CDMA PN序列差分捕获技术,文章内容详细,对学习和从事直接序列扩频同步捕获CDMA系统设计人员有很大帮助,推荐-New differentially coherent detectors for acquisition of direct sequence spread-spectrum signals are ntroduced. These detectors are alternatives to the n
Direct_sequence_spread_spectrum_communication_syst
- 直接序列扩频通信系统误码率的仿真分析PN码同步方法的比较与仿真-Direct sequence spread spectrum communication system of the simulation analysis of PN Code Synchronization Comparison and Simulation
kuopin
- 直接序列扩频系统(DS,Direct Sequence)又称为直接序列调制系统或伪噪声系统(PN 系统),简称为直扩系统,是目前应用较为广泛的一种扩展频谱系统。要传送的信息经伪随机序列编码后对载波进行调制。在发信端越冬用扩频序列去扩展信号的频谱,在收信端,用相同的扩频友序列进行解扩,将展宽的频谱扩展信号还原成原始信号。因为伪随机序列的速率远大于要传送信息的速率,所以受调信号的频谱宽度将远大于要传送信息的频谱宽度,帮称之为扩频-Direc
trans_sigPnoisePinterference
- 根据直扩原理,首先有随机数发生器产生一系列二进制信息数据(+1,-1),每个信息比特重复Lc次,Lc对应每个信息比特所包含的伪码片数,包含每一比特Lc次重复的序列与另一个随机数发生器产生的PN序列c(n)相乘。然后在该序列上叠加高斯白噪声和形式为i(n)=Acosw0n余弦干扰下次信号,切余弦干扰信号的振幅满足条件A<Lc。在解调器中进行与PN序列的互相关运算,并且将组成各信息比特的Lc个样本进行求和。加法器的输出送到判决器,将信
Matlab_PN_QC-LDPC
- 包含了QC-LDPC编码、译码 的程序,含有PN序列的实现,欢迎下载-Contains a QC-LDPC codes, decoding procedure, with the realization of PN sequences, welcome to download
gold-sequence
- m序列产生子函数 gold序列产生子函数 自相关函数和互相关函数计算子函数 调用子函数[s,k,pn]=m(c,b0)产生第二条m序列-function [Rm]=Rm(golda,goldb) 自相关函数和互相关函数计算子函数 N=11 n=2^N-1 Rm(1)=sum(golda.*goldb)/n for k=1:n-1 Rm(k+1)=sum(golda.*ci
25880982m_sequence_3
- 伪随机码或称PN码,是扩频通信中不可缺少的一种序列。扩频通信,简单的说来就是通过一组相关性很强的伪随机序列,使原有的信号按照伪随机序列的特性出现。-Said pseudo-random code or PN code, spread spectrum communication is an indispensable sequence. Spectrum, simple to say is highly relevant by a gr
PN_corr
- MATLAB自带的函数XCORR好象有点像卷积,如果要是求一个PN序列的自相关,我看一般的资料都是用我这个办法求PN序列相关的。-MATLAB comes with seems a bit like a function XCORR convolution, if the request if the autocorrelation of a PN sequence, I see the general information are
PN-(2)
- 伪随机序列FPGA 通过仿真 M3-Pseudo-random sequence M3000 FPGA simulation
Analysis-of-PN-Sequence
- 介绍了m 序列和Gold 序列的原理、性能和构造方法,接着在MATLAB 中用M 语言编程实现它们的产生和分析。-Describes the m-sequence and Gold sequence of principle, performance and construction methods, and then using M language in MATLAB programming their generation and
PN_reasearch
- CMMB中PN序列的生成和强自相关特性在各种条件下的保持-The reasearch of PN sequences in CMMB, about its autocorrelation
chu_test
- OFDM中所用的CAZAC序列和PN序列的自相关函数曲线-Used in OFDM CAZAC sequence and the PN sequence autocorrelation function curve
spatial-block-PN-watermarking
- 未经任何变化的原始图像上分块嵌入水印信息,且用伪随机序列作为水印,空域图像水印。-Without any change in the original image block embedded watermark information, pseudo-random sequence as a watermark, the airspace image watermark.
pn-synchronism-simulation
- 直接序列扩频通信系统误码率的仿真分析PN码同步方法的比较与仿真-this is a pn sequences mode