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chengxu9.rar
- 有关扩频通信系统的MATLAB程序----直接序列扩频系统，PN序列的产生。,On the spread spectrum communication system in MATLAB procedures---- Direct Sequence Spread Spectrum Systems, PN sequence generation.
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
kuopin
- 扩频系统，首先随机产生01序列，然后通过扩频，脉冲成型，BPSK调制发送，接收端接收进行解扩解调-The wide frequency system, first stochastically has 01 sequences, then through the wide frequency, the pulse formation, the BPSK modulation transmission, the receiving end receive carries on the despre
kuoping
- 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-Capture the problem in spread spectrum communication, spread spectrum codes with GOLD, PN code phase acquisition, the use of capture phase, the receiver generates offset GOLD code, for d
DSSS
- 设计一个有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。-Design of a direct sequence spread spectrum interference system, PN code generated by the m sequence generato
oneuserdscdma
- 单用户dscdma的仿真，使用类编程。包含发送，信道，接收3个类。有扩频，调制，高斯信道和瑞利，解调，解扩，统计误码率等功能，减小仿真点数可使程序运行更快。-Single-user dscdma the simulation, the use of programming. Send contain, channel, receiving three categories. There are spread spectrum, modulation, Gaussian and Rayleigh
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
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
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
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
CDMA-2USER
- 二用户CDMA系统，信道为加性高斯信道，使用BPSK调制，15位M序列扩频，可以正确解扩解调。 输出为2用户的基带信号、扩频信号、PSK调制信号、解调信号的时域和频域特性，给出两个用户分别的误码率。 -Second, the user CDMA system, channel for the additive Gaussian channel, using BPSK modulation, 15 M Sequence Spread Spectrum, you can correct demo
xi1
- 设计了一个扩频 系统，具有扩频解扩的功能。系统中采用的是瑞利衰落的信道。仿真的结果很好，系统的误码率很小-Designed a spread-spectrum system with spread spectrum despreading function. System is used in the Rayleigh fading channel. Good simulation results, the system bit error rate of the small
QPSK15
- QPSK编码解码,扩频解扩,长码、短码产生-QPSK mode demod despread spectrum
BPSK_matlab
- BPSK直扩通信系统仿真，包括调制解调/扩频解扩，MATLAB工具-bpsk system simulation in matlab
BPSK_PN_simulink
- matlab环境下用simulink模拟BPSK扩频解扩过程-matlab environment simulation BPSK spreading despreading process using simulink
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
77853427
- cdma 系统级仿真,包括好几十个子程序,有调制解调,扩频,解扩,滤波器设计,功能强大！()
kldkqm
- cdma 系统级仿真,包括好几十个子程序,有调制解调,扩频,解扩,滤波器设计,功能强大！()
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