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现代通信系统(matlab版)随书代码。提供信道容量和编码,扩频通信系统载波调制的数字传输等仿真源代码。-modern communication system (Matlab version) with the code book. Provide channel capacity and coding, spread-spectrum communication system carrier modulation digital transmission simulation source
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扩展频谱通信系统是指待传输信息的频谱用某个特定的扩频函数扩展后成为宽频带信号,送入信道中传输,再利用一定手段将其压缩,从而获取传输信息的通信系统。
在传输同样信息时所需的射频带宽,远比我们已熟知的各种调制方式要求的带宽要宽得多。扩频带宽至少是信息带宽的几十至 几万倍。-spread spectrum communication systems refer to the transmission of information with a particular spectrum of spre
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直接序列扩频通信系统误码率的仿真分析PN码同步方法的比较与仿真-direct sequence spread spectrum communication system BER simulation analysis PN code synchronization method of comparison and Simulation
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扩频通信中小波包变换的抗干扰性能的分析,MATLAB源程序-Spread Spectrum Communication WPT anti-jamming performance analysis of MATLAB source
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直接序列扩频通信的基本源代码,对学习扩频通信有很大帮助-direct sequence spread spectrum communication the basic source code, to learn spread spectrum communication will be of great help
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扩频通信中的捕获问题,用GOLD码进行扩频, PN码相位捕获,利用捕获的相位,接收机产生偏移的GOLD码,进行解扩和误码率计算-Spread Spectrum Communication capture issue, GOLD spread spectrum code, PN phase acquisition. The capture phase, the receiver have offset the GOLD code for despreading and bit error rate
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描述扩频通信中的同步问题,是一个很好解决同步的方法,可以借鉴。-Descr iption Spread Spectrum Communication synchronization problems is a very good solution to the synchronization method, we can draw on.
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线性自适应预测滤波算法,用于扩频通信中的窄带干扰信号的抑制,对搞窄带干扰抑制的朋友会有所帮助!-linear adaptive filter algorithm forecast for the spread spectrum communication signals in the narrow band interference suppression to engage narrowband interference suppression friends will help!
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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
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伪随机码或称PN码,是扩频通信中不可缺少的一种序列。扩频通信,简单的说来就是通过一组相关性很强的伪随机序列,使原有的信号按照伪随机序列的特性出现。从波形上看,原有信号完全淹没于随机的噪声中,达到隐藏信号和抗干扰的目的。接受方只要有相同的伪随机序列,就可以通过伪随机序列很强的相关性将信号还原出来。而m序列,是扩频系统中最长用的伪随机序列。下面的代码就是基于matlab的生成m序列的代码,通过改变初始多项式的值,就可以生成不同阶数的m序列。,Pseudo-random code or PN code
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直接序列扩频通信系统建模与仿真编程,直接序列扩频通信系统建模与仿真编程。-Direct sequence spread spectrum communication system modeling and simulation programming, direct sequence spread spectrum communication system modeling and simulation programming.
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直接序列扩频通信系统在AWGN信道下的误码率性能分析,Direct sequence spread spectrum communication system in the AWGN channel BER performance analysis
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systemview 做的小m序列的扩频通信系统仿真,可以直接显示示波器结果进行分析-systemview done little m sequence spread spectrum communication system simulation, you can directly display the results of analysis of the oscilloscope
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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
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扩频通信常用的 平衡gold序列生成matlab m文件 希望可以上传-Spread spectrum communication sequence used to generate the balance of gold want to matlab m files can be uploaded
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通过matlab建立码分多址通信系统的仿真平台,并仿真了扩频通信的性能-Matlab code division multiple access communication system through the establishment of the simulation platform, and simulated the performance of spread spectrum communication
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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
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Ebook and papers for spread spectrum communication
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基于simulink模块的直接序列扩频系统的仿真设计 保护扩频及信道-Research and simulation of direct sequence spread spectrum communication system
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跳相扩频通信,用8PSK信号,包含单用户和多用户,瑞利信道-
Phase-hopping spread spectrum communication, with 8PSK signal, including single-user and multi-user, Rayleigh channel
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