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kuopin
- 一个基本利用simulink实现的扩频通信系统,包含扩频、调制、解扩、解调,可以比较全面的了解扩频系统的组成。-Simulink realization of a basic use of spread-spectrum communication systems, including spread spectrum, modulation, despreading, demodulation, can be a more comprehensive understanding of the c
dsss-mdl
- 实现扩频通信,包括了PN码同步,扩频调制解扩-Realize spread spectrum communication, including the PN code synchronization, spread spectrum modulation solution extender
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
SimulationandImplementationofDS-Modem
- 扩频调制解调器的仿真和实现全过程,详细并且可实现-Spread spectrum modem simulation and realization of the entire process in detail and can be realized
qpsk
- QPSK的扩频调制解调的simulink仿真,误码率统计等-QPSK spread spectrum modulation and demodulation of simulink simulation, error rate statistics
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
cdma2000_simulink
- cdma2000的系统建模及实现 包括信源编码,信道编码,扩频,调制。-cdma2000 System Modeling and implementation
kuopin
- 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信道。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 for spreading gain N = 16, the use of Walsh codes for direct sequence spread spectrum, BPSK modulat
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
IS95
- 此函数用于IS-95前向链路系统的仿真,包括扩 频调制,匹配滤波,RAKE接收等相关通信模块。 仿真环境: 加性高斯白噪声信道. 数据速率 = 9600 KBps - This function is used in IS-95 forward link system simulation, including the expansion frequency modulation, matched filter, RAKE receiver and oth
QPSKand16QAM
- 该程序是关于扩频通信在不同调制方式下的抗噪声性能比较-compare in Qpsk and 16 QAM in DSSS
621752841carrier
- dsss用Matlab实现直接序列扩频接收机,包括了扩频解扩,数字调制-dsss with the direct sequence spread spectrum receiver, Matlab, including the despreading of spread spectrum, digital modulation
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)
tongxin
- 涵盖了卷积编码,扩频通信和DPSK调制程序,其中的DPSK部分可酌情参考(It covers convolutional code, spread spectrum communication and DPSK modulation program, in which the DPSK part can be referenced as appropriate)
新技术-扩频-跳频-OFDM-MATLAB仿真程序
- 主要包括扩频、多元扩频、跳频、正交多载波调制OFDM系统的MATLAB仿真(Including MATLAB simulation, spread spectrum and frequency hopping spread spectrum multiple orthogonal multi carrier modulation OFDM system)
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.)
ZHIKUO
- 两用户利用直接扩频采用psk调制,并利用进行MATLAB仿真(Dual-use users use direct spread spectrum using PSK modulation, and use MATLAB simulation.)
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)
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
跳频仿真
- MATLAB跳频仿真源代码,展示了整个跳频通信过程,包括信号源产生、2FSK调制、跳频扩频、跳频解调、2FSK解调、抽样判决、恢复原始信号过程,适合初学者(MATLAB frequency hopping simulation source code, showing the entire frequency hopping communication process, including signal source generation, 2FSK modulation, frequency