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DSSS.rar
- 一个四用户的扩频通信系统,扩频增益为N=16,采用Walsh码进行直接序列扩频,BPSK调制,无线信道为AWGN(加性高斯白噪声信道)信道(AWGN信道:不考虑通信信道信号时,由宽频范围描述的统计随机无线噪声。)。在接收端进行解扩,解调,判决,通过仿真得到其中一个用户的误比特率与信噪比的仿真结果。,A four-user spread spectrum communication system, spreading gain for N = 16, using Walsh code Direct
mydesign.rar
- 基于FPGA的直接序列扩频发射机的设计与仿真。实验中以QuartusII 7.2 为设计和仿真工具, 各模块采用Verilog HDL设计并封装,顶层使用图形设计方式,最后得到的仿真结果使用Matlab描点来绘制出波形。 ,FPGA-based direct sequence spread spectrum transmitter of the design and simulation. Experiment to QuartusII 7.2 for the design and simu
cdma.rar
- 直接序列扩频的缩写(DS-SS ) 二相相移键控(BPSK) matlab源代码,An acronym for Direct Sequence Spread Spectrum (DS-SS) two-phase phase shift keying (BPSK) matlab source code
Walsh_Mod
- CDMA中正交walsh码,用来扩频的matlab 仿真程序。-CDMA in the orthogonal walsh code for spreading the matlab simulation program.
Carrier_Trace
- 包括载波跟踪和伪码相位跟踪,用Matlab实现直接序列扩频信号的跟踪程序。-Including pseudo-code tracking and carrier phase tracking using Matlab implementation of direct sequence spread spectrum signal tracking procedures.
daimahekuangtu
- ,用MATLAB实现快跳频通信系统的仿真。主要应用了SIMULINK和COMMUNICATION BLOCKETS两个模块。整个设计包括了信源产生部分、发送部分、跳频调制部分、信道部分、接收部分和结果分析部分共六个模块,核心技术是伪随机序列的产生和频率合成器的设计,而关键技术是收发两端的伪随机码元的同步。伪随机码的产生用S-函数编程来开发自己的SIMULINK模块。同步的实现是收发两端采用相同的扩频脉冲触发。而且在设计中每个模块都采用了模块封装技术,从而简化了框图结构-Using MATLAB
kuopin
- 扩频系统,首先随机产生01序列,然后通过扩频,脉冲成型,BPSK调制发送,接收端接收进行解扩解调-The wide frequency system, first stochastically has 01 sequences, then through the wide frequency, the pulse formation, the BPSK modulation transmission, the receiving end receive carries on the despre
DSSS1
- 基于matlab的直序扩频通信系统仿真模型-Matlab-based direct-sequence spread spectrum communication system simulation model
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 generated by the m sequence generato
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
carrier.m
- 讲的是扩频通信系统中载波同步和码同步算法的Matlab程序-About the spread spectrum communication system, synchronization and carrier synchronization algorithms for Matlab program code
chen
- 基于MATLAB的直接序列扩频的研究与仿真代码-MATLAB-based direct sequence spread spectrum code and Simulation Study
ds
- 直序扩频系统的matlab仿真,可以让读者清楚的了解扩频通信的概念以及波形效果-DSSS matlab simulation system that allows readers a clearer understanding of the concept of spread spectrum communication, as well as the effect of waveform
kuopinxinhaojiance
- 利用MATLAB对扩频信号进行检测和参数估计,结果表明本方法具有在低信躁比下检测的优势-The use of MATLAB for spread spectrum signal detection and parameter estimation results show that this method is in the low than under the letter impatient edge detection
shiyan5
- Matlab通信系统的建模仿真 实验五 直接序列扩频系统的建模与仿真-matlab
dsss-mdl
- 实现扩频通信,包括了PN码同步,扩频调制解扩-Realize spread spectrum communication, including the PN code synchronization, spread spectrum modulation solution extender
直接扩频通信系统与MATLAB仿真
- DSSSdoc.doc 摘要:扩频通信系统具有的较强的抗干扰能力,保密性好、易于实现多址保密通信等特点,正从军事应用向民用通信发展。本文主要介绍了直接序列扩频系统的模型,并利用MATLAB对直扩系统实现仿真。
BPSK-speading
- BPSK直接序列扩频系统仿真程序,扩频码为64位m序列-BPSK direct sequence spread spectrum system simulation program, spreading code sequence for the 64 m
qpsk
- 就是qpsk用matlab实现调制解调以及扩频接扩-Is the QPSK modulation and demodulation using matlab to achieve, as well as expanding access spread spectrum
kuoping
- fpga嵌入式设计 扩频接收机设计 有matlab 和vhdl 对比情况-Design of spread-spectrum receiver embedded FPGA design and VHDL contrast matlab