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QPSK.rar
- 使用matlab程序实现了由随机序列到码元电平、m序列直接扩频解扩、qpsk调制解调，射频调制解调一个完整的qpsk系统过程,Matlab program to use by the random sequence to the symbol level, m direct sequence spread spectrum despreading, qpsk modulation and demodulation, RF modulation and demodulation of the QP
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。
cdma-matlab
- 用matlab程序模拟实现cdma系统的整个过程。包括并串、串并转换，m序列的产生，直接扩频、解扩，qpsk的调制解调，载波调制解调等。-Matlab simulation procedures used to achieve the whole process of cdma systems. Including and string SERDES, m sequence generation, direct spread spectrum, despreading, qpsk the mod
work
- Matlab 模拟 CDMA 直接扩频。m序列生成矩阵为p(x) = 1 + x^5 + x^7 + x^8 + x^9 + x^13 + x^15。能画出每阶段的时域、频域图。-Matlab simulation of CDMA Direct Spread Spectrum. m sequence generated matrix for p (x) = 1+ x ^ 5+ x ^ 7+ x ^ 8+ x ^ 9+ x ^ 13+ x ^ 15. To draw each stage of t
dsss_code
- dsss直接扩频通信源代码.便于学习.内含4个m文件-DSSS direct spread spectrum communication source code. easy to study. containing 4 m file
Q_DSSS
- 直扩码分多址DS-CDMA是利用高速的WALSH正交码序列作为地址码，与多用户信息数据相乘得到信息数据的直接扩频信号，再经过BPSK调制后发送出去，经过AWGN无线信道的传输后，在接收端与本地产生的地址码进行相关检测，从中将地址码与本地码一致的用户数据选出，把不一致的用户数据删除。-DS-CDMA DS-CDMA is the use of high-speed WALSH orthogonal code sequences as address code, with multi-user in
DSsystem
- 直接扩频系统常用函数，有助于对直接扩频系统的算法研究。-functions for Direct spread spectrum system,guod referense for the study for Direct spread spectrum system
walsh_array_spreadspectrum
- 实现用walsh进行直接扩频的代码，老师给的，不个好像很简单的-Walsh directly using spread-spectrum code, the teachers to not like a very simple
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
bpsk_Awagn_Rayleigh
- 实现了一个直接扩频系统，使用BPSK作为调制解调方法。并比较白噪声AWGN及瑞利衰落(rayleigh fading)环境下，误码率的影响。-There are two files in the zip folder. bpsk_spread.m and jakesmodel.m Steps for simulation: 1] Run jakesmodel.m first 2] Then run bpsk_spread.m . 3] Note that during the f
dsss
- 直接扩频源码，超级有用的哦，呵呵,一定要顶啊。-spread，very good
communicatoin
- 扩频通信毕业论文+通信实验综合系统为目的，从硬件实现和系统仿真两个方面对直接扩频工作方式进行研究-Spread Spectrum Communication Experiment thesis+ integrated system for the purpose of hardware implementation and system from two aspects of simulation work to study the direct spread spectrum
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
kuopintongxin
- 这是直接扩频通信系统的PPT课件，清楚讲解了扩频技术的来源，理论依据等，让人能快速了解扩频技术的原理。-This is a direct spread spectrum communication system, PPT courseware, clearly explained the source of spread spectrum technology, the theoretical basis so people can quickly understand the principl
时反直扩
- 被动时间反转镜和直接扩频相结合，有效克服多途环境。(The combination of passive time reversal mirror and direct spread spectrum can overcome multipath environment effectively.)
模二加法直接序列扩频
- 模二加法直接序列扩频，matlab仿真实验。模二加法直接序列扩频，matlab仿真实验。模二加法直接序列扩频，matlab仿真实验。
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
cx
- 直接扩频通信系统的整个流程，调制使用的是bpsk,信道为awgn(The whole process of direct spread spectrum communication system)
直接扩频matlab
- 直接扩频序列的matlab代码及其仿真，用PN序列实现，计算误码率，频谱，通过瑞利信道，AWGN信道。
扩频通信仿真代码
- 扩频通信系统下，直接扩频通信系统的仿真代码(Spread spectrum communication system, the simulation code of direct spread spectrum communication system.)