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Corre_for_xianxingtiaopin
- 扩频通信中采用的线性调频算法用的复相关算法-spread spectrum communications using the linear FM algorithm of multiple correlation algorithm
dsss
- 直接序列扩频通信系统,实现PN码同步,采用串行滑动相关捕获相关峰-Direct sequence spread spectrum communication system, and PN code synchronization, sliding-related capture serial correlation peak
up_buhuo
- 这是一个VERILOG接收端捕获模块,扩频码32倍,可以检测到相关峰-This is a VERILOG receiver capture module ,the spreader is 32,it can test the correlation peak
2008_5
- 在三条径的瑞利信道中,对于直接序列扩频: (1) 请设计DS-CDMA一种具体的码分导引辅助的信道估计方法,接收机分别采用等均益合并、最大比合并。用Simulink进行仿真,测量BPSK的误码率性能,画出比特信噪比与信道估计均方误差的关系曲线,画出比特信噪比与误码率的关系曲线,请解释在误码率为0.01时,两种合并方式所表现的不同的物理意义。 (2) 设频率已经同步,请设计DS-CDMA一种具体的单停顿滑动相关时间同步方法,用Simulink进行仿真(自己编写代码S-Function
Q_DSSS
- 直扩码分多址DS-CDMA是利用高速的WALSH正交码序列作为地址码,与多用户信息数据相乘得到信息数据的直接扩频信号,再经过BPSK调制后发送出去,经过AWGN无线信道的传输后,在接收端与本地产生的地址码进行相关检测,从中将地址码与本地码一致的用户数据选出,把不一致的用户数据删除。-DS-CDMA DS-CDMA is the use of high-speed WALSH orthogonal code sequences as address code, with multi-user in
dsICI
- 直接序列扩频的相关文章及matlab程序,以及ofdm中ici消除的论文。-Direct Sequence Spread Spectrum matlab relevant articles and procedures, as well as the elimination of ofdm thesis in ici.
auto_mseque1
- CDMA扩频通信仿真以及其相关仿真,可帮助读者解决CDMA信号的通信仿真问题-Simulation of CDMA spread spectrum communication and its associated simulation, can help readers solve the CDMA communication signal simulation
bishe
- 实现扩频 解扩以及相关滤波器的设计,给出直观的图形和文档解释-Achieve spread spectrum despreading and related filter design, graphics and documents gives an intuitive interpretation of
far_near
- 程序使用了自相关性和互相关性较好的gold码作为扩频序列,直扩,扩频增益设置为31,模拟用户数为4-Program uses a self-correlation and cross-correlation of the better gold code as spreading sequence, direct expansion, spreading gain is set to 31 to simulate the number of users of 4
009
- 利用matlab对IS-95前向链路系统的仿真,包括扩频调制,匹配滤波,RAKE接收等相关通信模块,仿真环境为加性高斯白噪声信道. -Using matlab on the IS-95 forward link system simulation, including the spread spectrum modulation, matched filter, RAKE receiver and other related communication module, the simula
dsss_signal_detection_and_parament_estimate
- 自相关检测方法是利用信号和噪声在相关域上的差别来构造检测器的。自相关检测是将信号与自身延迟一个时延后的信号作相关处理,或用双通道接收机的输出进行相关,得到扩频信号的自相关函数-Auto-correlation detection method is the use of signal and noise in the relevant field to construct the difference detector. Autocorrelation test is a time delay
Thejammingofspreadspectrumcommunicationssystemandt
- 西电毕业论文,文章详细的阐述了直扩原理并且进行了仿真。扩展频谱技术有多种基本实现方式,本文主要介绍的是直接序列 扩频技术,特别针对二进制的 PSK调制解调技术,直接序列扩频系统的抗干 扰能力分析与直接序列扩频系统的同步方法,并进行了相关仿真分析。-Spread spectrum communications has many basic manners of implementation, this paper main introduces the dir
07950213
- 扩频通信系统仿真 ——系统将基带信号(即信息)的频谱扩展至很宽的频带上,然后再进行传输,即将欲传输的信息数据用伪随机序列编码调制,实现频谱扩展,然后通过信道编码发送出去;接收端采用与发送端完全相同的伪随机序列作为本地解扩信号进行相关处理,以恢复信息,最后进行解调,完成整个系统的接收。-Simulation of spread spectrum communication system- the system baseband signal (ie, information) be extende
DSSS
- 在Matlab下实现直扩仿真。九阶扩频序列。相关解扩。(Implementation of direct spread simulation under Matlab. Nine order spread spectrum sequence. Correlation despreading.)
DSSS
- (1)编程建立Gold序列,仿真Gold序列的波形; (2)仿真Gold序列的自相关和互相关特性。 (3)编程仿真直接扩频通信系统模型,画出扩频前后信号波形及频谱。((1) programming Gold sequence and simulating the waveform of Gold sequence; (2) the autocorrelation and cross correlation characteristics of the simulated Gold sequ
资料
- 一些扩频通信相关的论文,详细的介绍了扩频通信,也有一些是提供的算法,可以直接用matlab仿真(Some papers related to spread spectrum communication, in detail, introduce the spread spectrum communication. There are also some algorithms that can be provided, which can be directly simulated by MATL
-扩频通信实验f
- 产生m序列 画出其自相关函数和功率谱密度曲线 利用m序列模二产生gold序列 计算gold序列的互相关函数(Generating M-series Draw the autocorrelation function and power spectral density curve Generating gold sequence by m-sequence module two Calculating the cross correlation function of gold seque
M序列扩频码相关性分析
- M序列扩频码相关性分析,对随机二值信号进行M序列扩频,分析了其自相关和互相关特性
Gold
- MATLAB代码生成Gold码、m序列并得到自相关、互相关函数。之后进行BPSK调制,验证扩频通信的错码率的降低。(Gold code and m sequence are generated and autocorrelation and cross-correlation functions are obtained. Then BPSK modulation is carried out to verify the reduction of error rate of spread spe
代码
- 基于MATLAB编程实现m序列、gold序列、kasami小集序列,并分析各自的自相关,互相关性能。(Based on MATLAB programming, m-sequence, gold sequence and Kasami small set sequence are realized, and their autocorrelation and cross-correlation performance are analyzed.)