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dsnonoise
- 直接序列扩频系统是在发端直接用具有高码率的扩频编码去扩展信号的频谱，而在收端用相同的扩频编码进行解扩使扩频信号还原为原始信号的一种扩频方式。直接序列系统中用的编码序列通常是伪随机序列或叫伪噪声（PN）码。要传送的信息经数字化后变成二元数字序列，它和伪随机序列模二相加(或相乘)后变成复合码去调制载波。在直接序列系统中通常对载波进行二进制相移键控调制(BPSK)。当扩频调制后由天线发射出去，在接收机中要有一个和发射机中的伪随机码同步的本地码，对接收信号进行解扩，解扩后的信号送到解调器取出传送的信息-
mmse_mpsk
- This an adaptive receiver for a direct-sequence spread spectrum (DS-SS) system over an AWGN channel. The adaptive receiver block is modified from the LMS adaptive filter block in DSP Blockset. For DS-SS signal reception, the adaptive filter needs to
BPSK receiver simulation using Spread Spectrum Techniques
- This is a code for simulation of BPSK receiver using Direct Sequence Spread Spectrum. The performance is evaluated in presence of AWGN and Rayleigh fading.
simulink 使用simulink仿真科斯塔斯环
- 使用simulink仿真科斯塔斯环，串并变换，直接序列扩频技术-Costas loop simulation using simulink, string and transformation, direct sequence spread spectrum technology
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.
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
FHSS_DSSS_CDMA.rar
- 直接序列扩频DSSS， 跳频扩频FHSS， 码分多址CDMA编译码， 的实现,the realization of Direct Sequence Spread Spectrum DSSS, frequency hopping spread spectrum FHSS, Code Division Multiple Access CDMA codec,
mydesign.rar
- 基于FPGA的直接序列扩频发射机的设计与仿真。实验中以QuartusII 7.2 为设计和仿真工具， 各模块采用Verilog HDL设计并封装，顶层使用图形设计方式,最后得到的仿真结果使用Matlab描点来绘制出波形。 ,FPGA-based direct sequence spread spectrum transmitter of the design and simulation. Experiment to QuartusII 7.2 for the design and simu
lesson3.rar
- 扩频（直接序列扩频）原理 FDMA/TDMA/CDMA原理 现有系统,Spread Spectrum (Direct Sequence Spread Spectrum) Principles of FDMA/TDMA/CDMA Principles of the existing system
Reviux
- RAKE接收机直接序列扩频系统 一个简单的Simulink的直接序列扩频频谱与RAKE接收系统模型。 -For DS- SS systems RAKE receiver RAKE receiver direct sequence spread spectrum system with a simple Simulink spectrum and direct sequence spread spectrum RAKE receiver model.
DS_CDMA
- 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.
Signal-capture
- 信号的捕获(直接序列扩频系统的matlab仿真实现，包括M,GOLD序列生成，信道建模，噪声，扩频，解扩)-Signal capture (direct sequence spread spectrum system simulation matlab implementation, including M, GOLD sequence generation, channel modeling, noise, spreading, despreading)
AWGN-Rayleigh-BPSK-DSSS
- AWGN-Rayleigh-BPSK-DSSS(BPSK调制解调直接序列扩频系统源代码(白噪声及瑞利衰落误码率比较)并给出误码率曲线的程序-AWGN-Rayleigh-BPSK-DSSS (BPSK direct sequence spread spectrum modulation and demodulation system source code (white noise and Rayleigh fading error rate comparison) and the procedu
dsss.rar
- 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
Carrier_Trace
- 包括载波跟踪和伪码相位跟踪，用Matlab实现直接序列扩频信号的跟踪程序。-Including pseudo-code tracking and carrier phase tracking using Matlab implementation of direct sequence spread spectrum signal tracking procedures.
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
SDR
- 直接序列扩频通信的Verilog仿真代码，在Quartus II中实现。-Direct sequence spread spectrum communication Verilog simulation code, implemented in Quartus II.
dsss
- 直接序列扩频通信系统，实现PN码同步，采用串行滑动相关捕获相关峰-Direct sequence spread spectrum communication system, and PN code synchronization, sliding-related capture serial correlation peak
DSSS
- 基于FPGA的我直接扩频序列发射机的quarters代码，-direct sequence transmitter
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