搜索资源列表
pn
- PN序列生成器，比较好的demo-PN sequence generator, and better demo
m_PN.rar
- 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。从波形上看，原有信号完全淹没于随机的噪声中，达到隐藏信号和抗干扰的目的。接受方只要有相同的伪随机序列，就可以通过伪随机序列很强的相关性将信号还原出来。而m序列，是扩频系统中最长用的伪随机序列。下面的代码就是基于matlab的生成m序列的代码，通过改变初始多项式的值，就可以生成不同阶数的m序列。,Pseudo-random code or PN code
Goldcodesequence
- Gold 码的自相关序列的生成器以及自相关序列的特性图方面的仿真-the auto-relation sequence generator of the Gold code
randomization
- 随机加扰，本程序为通信系统中一部分主要是给输入信息流加扰，用PN序列对信源输入数据进行随机加扰。-Add a random disturbance, the procedures for the communications system to the input part of the main information flow are scrambling with PN sequence of the input data source to add a random disturbanc
3pn
- 3种pn序列的产生代码，包括：m序列，gold序列，混沌序列。-Three kinds of pn sequences generated code, including: m sequence, gold sequences, chaotic sequences.
pn
- It s a code to generate the PN Sequence upto order 21 so its nice
PacketBuilder
- pn sequence generator is a very good application in matlab
chaos-ds-ss
- 该程序仿真了混沌序列与传统pn序列的扩频系统误码性能。-Simulation of the process of chaotic sequence with the traditional pn sequence spread spectrum system BER.
Interwoven
- 搜寻最短延时的交织m序列伪码，可选择m序列的长度，自动产生生成多项式-Search for the shortest delay interwoven m PN sequence can choose the length of m sequence, automatically generating polynomial
prjct
- this consists the code for acf and ccf for gold code sequence.......generation of pn sequence....etc
direct-sequence-spread-spectrum
- 带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。-the direct sequence spread spectrum with interference communication system
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)
mxu
- 直接序列扩频Matlab程序 直接序列扩频通信可以有效地抵抗来自信道中的窄带干扰。在一个直扩通信系统中,扩频是通过伪噪声序列(PN)对发送的信息数据进行调制来实现 的。在接收端,原伪噪声序列和所收信号的相关运算可将窄带干扰扩展到DS信号的整个频带,使干扰等效为幅度较低频谱较平坦的噪声；同时，将DS信号解扩, 恢复原始信息数据-Direct Sequence Spread Spectrum Matlab program direct sequence spread spectrum comm
f_ENCODER
- CODE DIVISION MULTIPLE ACCESS ENCODER:IT ENCODE THE DATA BY MULTIPLY THE MESSAGE SIGNAL WITH THE NOISE GENERATED BY PN SEQUENCE-CODE DIVISION MULTIPLE ACCESS ENCODER:IT ENCODE THE DATA BY MULTIPLY THE MESSAGE SIGNAL WITH THE NOISE GENERATED BY PN SE
PN_channeldetection
- PN序列信道探测 包括调制、同步、接收计算得到CIR等。-Channel PN sequence including modulation detection, synchronization, and so the reception CIR calculated.
PN_LMS_ECHOcanceller
- 基于PN序列的数字直放站中回波抵消matlab实现代码，信号源采用OFDM调制信号，并有详细的注释说明，可以供大家参考借鉴-Digital repeater stations based on PN sequence in echo offset matlab code, signal source using OFDM modulation signal, and a detailed annotation, can for your reference
pn-sequence-channel-and-coding
- This file have matlab codes for pn sequence generation, modelling of rayleigh channel etc-This file have matlab codes for pn sequence generation, modelling of rayleigh channel etc...
pn序列扩频频谱分析(238248)
- 程序包含CDMA所要用到的pn序列以及其他的m序列，gold序列等在CDMA中长用到的地址码序列的产生程序(The program contains the pn sequence to be used by the CDMA and the generation sequence of the address code sequence used in CDMA for other m sequences, gold sequences, etc.)
pn ca code
- PN Coarse accusation matlab code
序列检测
- CAZAC序列 PN序列介绍 检测算法 以及源代码(the introduction of CAZAC sequence,PN sequence ; detection algorithm of CAZAC sequence,PN sequence; and source codes for matlab simulation.)