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使用直接序列扩频芯片SX043实现高增益扩频Modem
- 使用直接序列扩品芯片SX043实现高增益扩品的设计方案和原理图-Direct Sequence Spread use goods chip to achieve high gain SX043 expansion goods design and schematics
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
BPSK
- 经过BPSK调制解调 直接序列扩频 误码率仿真图-After BPSK modulation and demodulation Direct sequence spread spectrum BER simulation map
dsss
- 简单实用的扩频系统MATLAB源程序,包括直接序列,调频和CDMA-Spread-spectrum systems simple and practical MATLAB source, including direct sequence, frequency modulation and CDMA
cdma
- 这是一个完整的无线通信系统中物理层的仿真程序,通过扩频技术(直接序列扩频)让信号通过高斯,瑞利等信道进行信噪比分析,得出结论-This is a complete wireless communication systems in the physical layer of the simulation program, through the spread-spectrum techniques (Direct Sequence Spread Spectrum) to signal throu
DsSpreadSpectrumSimulation
- 有关直接序列扩频仿真的小程序,自己编写,可以运行-Simulation of the Direct Sequence Spread Spectrum of small procedures, I have written, you can run
DS_SS1_5
- 基本直接序列扩频系统,考虑了RAKE接收-Basic direct sequence spread spectrum systems, consider a RAKE receiver
zhikuo
- 该程序是在matlab环境下对加性高斯白噪声信道的无线通信中的直接序列扩频系统进行仿真。-The program is in the matlab environment of additive white Gaussian noise channel in the wireless communications system for direct sequence spread spectrum simulation.
ds_programme
- 直接序列扩频通信系统仿真程序,包括伪随机序列产生、扩频、加噪、接收等。-Direct sequence spread spectrum communication system simulation program, including the pseudo-random sequence generator, spread spectrum, plus noise, the receiver and so on.
Needtostudy
- 直接序列扩频代码。。。包括15位的伪随机序列生成器-DSSS communication system s simulation code,include 15-bit persudo code generator
wsss
- 通过扩频通信系统仿真进行直接序列扩频是最好的手段,也是必备的技巧,这里给出了一个好的例子-here is a good help for research frequency spread
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
zslsimu
- 基于MATLAB的直接序列扩频仿真程序代码。-MATLAB-based simulation of direct sequence spread spectrum code.
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)
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
zhijiexuliekuopin
- 直接序列扩频 实现扩频、解扩还有。MATLAB实现环境。其中解调用的是BPSK。-Spread Spectrum Direct Sequence Spread Spectrum, despreading there. MATLAB implementation environment. One solution is called BPSK.
bpsk
- 直接序列扩频,调制部分采用2psk,通过瑞利信道-Direct sequence spread spectrum, modulation part is 2psk.
DS
- 实现直扩系统的simulink仿真,采用BPSK调制,可以直观理解直接序列扩频通信系统的工作原理(The realization of direct sequence spread spectrum communication system can be understood intuitively by the realization of Simulink simulation of DSSS and BPSK modulation.)
DSSS_Matlab程序
- 所谓直接序列扩频,就是直接用具有高码率的扩频码序列在发送端去扩展信号的频谱。而在接收端,用相同的扩频码序列去进行解扩,把展宽的扩频信号还原成原始的信息。(Direct sequence spread spectrum (DSSS) is used to expand the spectrum of the signal directly at the transmitter side with high bit rate spread spectrum code sequence. At the
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