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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
pn42
- 此代码是cdma2000基带信号处理过程中pn长码的产生算法程序。-This code is cdma2000 baseband signal processing algorithms pn long code generation process.
Euler_fuction
- Euler函数: m = p1^r1 * p2^r2 * …… * pn^rn ai >= 1 , 1 <= i <= n Euler函数: 定义:phi(m) 表示小于等于m并且与m互质的正整数的个数。 phi(m) = p1^(r1-1)*(p1-1) * p2^(r2-1)*(p2-1) * …… * pn^(rn-1)*(pn-1) = m*(1 - 1/p1)*(1 - 1/p2)*……*(1 - 1/pn)
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
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.
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.
PN-code-simulation
- 对PN码的同步进行仿真分析,对扩频通信过程进行仿真分析-simulation and analysis of the PN code
spread1_6
- simulink做的BPSK的调制与解调,信号源是随机信号与PN码扩频调制,最后结果与随机信号比较一致-simulink do BPSK modulation and demodulation, the signal source is a random signal with the PN code spread-spectrum modulation, the final result more consistent with the random signal
userthre
- cdma simuklation with differetn users , pn sequences and their characterstics with new codes and also how to simulate it in matlab with different cdma codes for different no of users in the system
PN_synchronization_simlulink
- pn ofdm synchronization matlab
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)
MODELING-OF-SIMPLE-PN-JUNCTION-DIODE
- MODELING OF SIMPLE PN JUNCTION DIODE
PN-CODE
- 本程序是一个PN码仿真程序,采用的是matlab/simulink平台进行仿真,源码及数据全都包括在其中。-This program is a PN code simulation program, using matlab/simulink simulation platform, code and data are all included.
PN-GEN
- 可以产生各种PN码数据文件的程序,一共可以产生PN5 PN9 PN11 PN15 PN23五种数据类型-Can produce a variety of PN code data file program, you can produce a total of PN5 PN9 PN11 PN15 PN23 five data types
pn
- pn码生成,采用移位寄存器的方式,对初始状态进行了遍历-PN code generation, the use of shift register,The initial state is traversed.
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.)