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FHSS_DSSS_CDMA.rar
- 直接序列扩频DSSS, 跳频扩频FHSS, 码分多址CDMA编译码, 的实现,the realization of Direct Sequence Spread Spectrum DSSS, frequency hopping spread spectrum FHSS, Code Division Multiple Access CDMA codec,
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
matlabkuo
- 扩频通信系统仿真,包括调制解调,解扩全部过程的一个完整通信系统-matlab dss
zhangyong_jun-shi-duan-bo-tong-xi-kang-gan-rao-xin
- 摘 要:建立了几个军事短波通信系统仿真模型,并简要叙述了军事短波通信系统中跳频、扩频的干扰方程。文章给出了仿真物理结构图以及功能模块图,也给出了军事短波通信抗干扰性能仿真评估的指标,提出了利用云模型及云不确定性推理对仿真结果进行评估,并给出了干扰和无干扰条件下军事短波通信的抗干扰性能评估结果。-Abstract: A number of military HF communications system simulation model, and a brief descr iption of
Digtalbasis
- 理解通信系统特别是无线通信系统对基带信号的处理方法及目的,包括基带系统的差错控制,扩频跳频原理,保密通信等基本原理和实现方法。 -Understanding of communication systems, especially wireless communications system to the base-band signal processing methods and purposes, including base-band system for error control
kuopintiaopin
- 直接序列扩频和跳频扩频 -直接序列扩频和跳频扩频
DS_SpreadSpectrum
- 用Simulink搭建的直接序列扩频(DS-SS)系统仿真模型,仿真结果比较理想。-A simulation on DS-Spread Spectrum communication system based on Simulink toolbox.
DS_FH
- 扩跳频通信在QUARTUS7.0开发环境下的VHDL源程序及总体框图实现-Frequency-hopping communication QUARTUS7.0 expanded development environment in the VHDL source code and the achievement of the overall block diagram
communication
- 一些直扩和跳频的程序,还有CDMA的程序-DSS、FH、CDMA
matlab
- 本文介绍了跳频扩频通信系统的原理。应用matlab语言防真和分析了一个1个频点的跳频通信系统的扩频通信过程;仿真和分析了2个跳频信号跳频点的变化。-In this paper, frequency-hopping spread-spectrum communication system principle. Matlab language applications and analysis of anti-truth, a point of a frequency hopping spread
04
- 跳频通信的matlab文件,对学习扩频通信有很大的帮助 -fhss introduction made in matlab
fhss
- 调频扩频,差分跳频技术是近年出现的一种新型扩频通信技术,他集跳频图案、信息调制与解调等功能于一体,构成与传统跳频技术完全不同的技术体制。对近年出现的扩频通信新技术——差分跳频技术进行了全面介绍。在对差分跳频关键技术进行详细分析的基础上,着重说明其优点及尚需解决的问题。-Spread Spectrum Frequency Modulation
m_sequence
- 根据任意多项式生成m序列,就是伪随机序列了,扩频和跳频通信常用-m-sequence generator
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
freq-hop-spread-spectrum
- 跳频扩谱通信matlab代码,实现跳频通信系统仿真。-Matlab code for frequency hopping spread spectrum communications, to achieve frequency hopping communication system simulation.
fh_spr
- 跳频扩频通信系统的主要仿真程序,包括扩频,测试和演示-The main frequency hopping spread spectrum communication system simulation program, including spread spectrum, testing and demonstration
dsss-and-fhss-examples
- 本文件包含了两个直扩和跳频的例子,用MATLAB语言实现,而且还包括例子的原文及大量注释,十分详细-This document contains two examples of DS and FH, with the MATLAB language, but also examples of the original and a lot of notes, very detailed
identify1
- 基于认知无线电的扩跳频通信信号的调制识别-Hopping spread based on cognitive radio communication signal modulation recognition
新技术-扩频-跳频-OFDM-MATLAB仿真程序
- 主要包括扩频、多元扩频、跳频、正交多载波调制OFDM系统的MATLAB仿真(Including MATLAB simulation, spread spectrum and frequency hopping spread spectrum multiple orthogonal multi carrier modulation OFDM system)
跳频仿真
- MATLAB跳频仿真源代码,展示了整个跳频通信过程,包括信号源产生、2FSK调制、跳频扩频、跳频解调、2FSK解调、抽样判决、恢复原始信号过程,适合初学者(MATLAB frequency hopping simulation source code, showing the entire frequency hopping communication process, including signal source generation, 2FSK modulation, frequency