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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
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。
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
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.
1
- 建立了信号从扩频、加干扰信号到解扩、求误码率的仿真模型系统。 经过小波镜像处理的与理想的状况的比较。-Established from the spread spectrum signal, plus interference signal to the de-spread, and the bit error rate system simulation model. After wavelet image processing and comparison of the ideal si
Thedirectsequencespreadspectrumsimulation
- simulink 实现了直接序列扩频通信系统,含详细模型图-simulink realization of the direct sequence spread spectrum communications systems, including a detailed model
WCDMAMATLAB
- WCDMA物理层matlab仿真程序,包含信道编码,交织,速率匹配,调制,扩频,信道模型,RACK接收机和相应的解码程序。-A simulation of the 3GPP FDD proposal for 3G wireless. The simulation can run on Simulink or as a stand alone C-coded program. It includes the channel encoding, interleaving, rate matching
DS_CDMA
- 直接序列扩频系统仿真模型,通过学习仿真程序设计的函数运算,可以对其他类似扩频系统举一反三-Direct Sequence Spread Spectrum system simulation model, by learning a function of simulation programming operation, you can learn by analogy to other similar spread-spectrum systems
TheApplicationofSimulinkSoftwareinDSSS
- 用MATLAB中的SIMULINK工具建立直接扩频的仿真模型并进行仿真-The SIMULINK with MATLAB tools for the establishment of direct spread spectrum simulation model and simulation
model_and_code
- 直接序列扩频通信系统建模与仿真 模型及所有仿真代码-Direct sequence spread spectrum communication system modeling and simulation model and simulation code for all
fh
- 本文阐述了扩展频谱通信技术的理论基础和实现方法,利用MATLAB 提供的可视化 工具Simulink 建立了扩频通信系统仿真模型,详细讲述了各模块的设计,并指出了仿真建模 中要注意的问题。在给定仿真条件下,运行了仿真程序,得到了预期的仿真结果。同时,利 用建立的仿真系统,研究了扩频增益与输出端信噪比的关系,结果表明,在相同误码率下, 增大扩频增益,可以提高系统输出端的信噪比,从而提高通信系统的抗干扰能力。 -This paper describes the theory
fangzhen
- 一种直接扩频序列的SIMULINK仿真模型 MATLAB6.5及以上环境可完美运行 发射部分和接受部分的频率图波形图均以给出-A direct sequence spread spectrum and above MATLAB6.5 SIMULINK simulation model of the environment can be run perfectly and accepted part of the transmitter frequency waveforms are gi
DS_CDMA
- 关于cdma的直接序列扩频系统的经典编程,包括发射机,瑞利信道模型,接收机等的程序编写。-On direct sequence spread spectrum cdma classic programming, including the transmitter, Rayleigh channel model, receiver, etc. programming.
CDMA
- MATLAB工具建立的DS-CDMA 扩频通信模型 -MATLAB tools to create a DS-CDMA spread spectrum communication model
ds
- DS系统仿真模型 先调制后扩频的方法 建立模型 绘制误码率曲线-System Simulation Model DS spread spectrum modulated first approach to model the bit error rate curves drawn
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
直接序列扩频系统仿真
- 建立了直接序列扩频系统的matlab仿真模型,在信道中存在高斯白噪声和干扰的情况下,对系统的在不同扩频增益下的误码率性能进行了仿真及分析,分析了扩频码的自相关性、误码率、性噪比。(A matlab simulation model of the direct sequence spread spectrum system, the existence of Gauss white noise and interference in the channel under the condition
直接序列扩频通信仿真
- 使用simulink搭建一个直接序列扩频调制系统模型,能够正常运行,有时域波形和频谱波形。(Simulink is used to construct a direct sequence spread spectrum modulation system model, which can operate normally, with time domain waveform and spectrum waveform.)
Desktop3
- 主要研究了直接序列扩频系统,建立了直接序列扩频系统的matlab仿真模型,在信道中存在高斯白噪声和干扰的情况下,对系统的在不同扩频增益下的误码率性能进行了仿真及分析。(The direct sequence spread spectrum system is studied, and the MATLAB simulation model of direct sequence spread spectrum system is established. Under the condition o
基于matlab的直接序列扩频通信系统仿真
- 学习扩频通信系统技术理论基础及直接序列DS扩频系统基本原理,并设计出直扩通信系统模型。此基带通信系统具体包括信源模块、、数据调制模块、扩频码产生模块、扩频模块、信道模块、解扩模块、解调模块,并在AWGN信道下对系统进行性能仿真研究。(Wireless communications is vulnerable to jamming attacks due to the shared use of wireless medium. A jammer can simply take advantage