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现代通信系统matlab版源代码
- 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
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
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
xiugaideq
- 在一个通信系统中对信源的扩频,信道的指定概率加错并在接收端解扩,计算其误码率-In a communication system in the source of the spread spectrum, channel designated fault probability increases and despreading in the receiver to calculate the BER
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
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.
Rake-receive
- 本文介绍的一种基于多载波扩频通信的Rake接收机工作原理以及设计思想,并用FPGA技术加以实现-This article describes a multi-carrier spread spectrum based communication works as well as Rake receiver design and implementation with FPGA technology to
SpreadSpectrum1
- 直接序列扩频通信的仿真,包括CDMA 系统,以及串并变换-Simulation of direct sequence spread spectrum communication, including CDMA systems, and string and transform
直扩MSK
- 直扩MSK通信链路的仿真程序。PN码采用m序列,周期可自行改动。接收端解扩解调同时进行。亲测可用。(Simulation program of DSSS MSK communication link. PN code uses m sequence, the cycle can be changed by itself. Simultaneous demodulation and demodulation are carried out at the receiver. Pro test ava
DS扩频仿真
- 该系统由matlab实现,包括信号的产生、传输、调制、解调、解码等一系列的过程的模拟。(Direct Sequence Spread Spectrum)
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
DCSK (1)
- matlab实现混沌扩频DCSK的仿真,其中包括调制解调、噪声信道模拟,以及误码率分析。(Chaotic spread spectrum communication: DCSK)
扩频调制
- 本模块是扩频通信调制模块源码,可进行扩频调制仿真及调试
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
dscdmamodem
- 基于MATLAB的扩频通信仿真。完整的代码文件。(Spread spectrum communication simulation)
kuopin
- ①传输的数据随机产生,要求采用频带传输(BPSK调制); ②扩频码要求采用周期为63(或127)的m序列; ③仿真从基站发送数据到三个不同的用户,各不同用户分别进行数据接收; ④设计三种不同的功率延迟分布,从基站到达三个不同的用户分别经过多径衰落(路径数分别为2,3,4); ⑤三个用户接收端分别解出各自的数据并与发送前的数据进行差错比较。((1) the transmission data is randomly generated, requiring frequency band t
TD-SCDMA系统中扩频加扰的实现
- 下行加扰程序,介绍扰码产生及使用。为后续的程序开发、研究打下基础。3G通信典型方式,上行资料较少
基于FPGA的扩频模块设计
- 完整的扩频通信算法设计,包含各种设计文档,毕业论文,开题报告任务书,matlab和modelsim仿真程序,fpga程序,汉明码的fpga实现与应用