搜索资源列表
fhss 扩频信号
- 扩频信号
扩频调制模块及仿真
- 扩频调制模块设计及仿真(包括仿真参数设置及调制模块分析)
QPSK.rar
- 使用matlab程序实现了由随机序列到码元电平、m序列直接扩频解扩、qpsk调制解调,射频调制解调一个完整的qpsk系统过程,Matlab program to use by the random sequence to the symbol level, m direct sequence spread spectrum despreading, qpsk modulation and demodulation, RF modulation and demodulation of the QP
cdma.rar
- 直接序列扩频的缩写(DS-SS ) 二相相移键控(BPSK) matlab源代码,An acronym for Direct Sequence Spread Spectrum (DS-SS) two-phase phase shift keying (BPSK) matlab source code
DSSS1
- 基于matlab的直序扩频通信系统仿真模型-Matlab-based direct-sequence spread spectrum communication system simulation model
carrier.m
- 讲的是扩频通信系统中载波同步和码同步算法的Matlab程序-About the spread spectrum communication system, synchronization and carrier synchronization algorithms for Matlab program code
1
- 用matlab来实现扩频通信仿真 很完整的仿真过程-Spread spectrum communication using matlab to achieve a very complete simulation of the process simulation
chen
- 基于MATLAB的直接序列扩频的研究与仿真代码-MATLAB-based direct sequence spread spectrum code and Simulation Study
kuopinxinhaojiance
- 利用MATLAB对扩频信号进行检测和参数估计,结果表明本方法具有在低信躁比下检测的优势-The use of MATLAB for spread spectrum signal detection and parameter estimation results show that this method is in the low than under the letter impatient edge detection
Spread_Spectrumrar
- 扩频通信系统,包括直接序列扩频,PN序列产生,以及调频扩频-Spread spectrum communication system, including direct sequence spread spectrum, PN sequence generation, as well as spread spectrum frequency modulation
BPSK-speading
- BPSK直接序列扩频系统仿真程序,扩频码为64位m序列-BPSK direct sequence spread spectrum system simulation program, spreading code sequence for the 64 m
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
cdma
- cdma的扩频通信的matlab的仿真,用程序编写的-cdma spread spectrum communication matlab simulation, using procedures for the preparation of the
work
- Matlab 模拟 CDMA 直接扩频。m序列生成矩阵为p(x) = 1 + x^5 + x^7 + x^8 + x^9 + x^13 + x^15。能画出每阶段的时域、频域图。-Matlab simulation of CDMA Direct Spread Spectrum. m sequence generated matrix for p (x) = 1+ x ^ 5+ x ^ 7+ x ^ 8+ x ^ 9+ x ^ 13+ x ^ 15. To draw each stage of t
matlab_ydtx
- 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, spreading gain for N = 16, using Walsh code Direct Sequence Spread Spectrum, BPSK modulation, AWGN
YYY_DSSS
- 设计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。-Designed a four-user spread spectrum communication system, spreading gain for N = 16, using Walsh code Direct Sequence Spread Spectrum, BPSK modul
kuopintiaopin
- 直接序列扩频和跳频扩频 -直接序列扩频和跳频扩频
dspsk_MOD
- 多用户检测算法直接序列扩频码 调制部分-multiuser detesion
扩频系统通信仿真
- 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,然后送入信道中传输,再利用相应手段将其解扩,从而获取传输信息的通信系统。它在传输同样信息时所需的射频带宽,远比大家熟悉的各种调制方式要求的带宽要宽得多。扩频前的信息码元带宽远小于扩频后的扩频码序列的带宽,信息己不再是决定调制信号带宽的一个重要因素,其调制信号的带宽主要由扩频函数来决定。一般常用的扩频函数是伪随机编码信号。与常规的通信系统相比,扩频系统具有很强的抗人为干扰、抗窄带干扰、抗多径的能力,此外还具有信息隐蔽多址
DSSS扩频通信
- 直接序列扩频通信系统的matlab仿真。(Direct expansion system)