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使用直接序列扩频芯片SX043实现高增益扩频Modem
- 使用直接序列扩品芯片SX043实现高增益扩品的设计方案和原理图-Direct Sequence Spread use goods chip to achieve high gain SX043 expansion goods design and schematics
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.
ds-ss
- 直接序列扩频信号的产生与捕获模拟 调用GoldGenerator.m生成GOLD伪码-GoldGenerator and DS-SS
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
Direct_sequence_spread_spectrum_signal_generation_
- 基于matlab的直接序列扩频信号的产生与捕获模拟-Direct sequence spread spectrum signal generation and capture analog
Direct_sequence_spread_spectrum_communication_syst
- 直接序列扩频通信系统误码率的仿真分析PN码同步方法的比较与仿真-Direct sequence spread spectrum communication system of the simulation analysis of PN Code Synchronization Comparison and Simulation
kuopinxitong
- 程序实现了直接序列扩频通信系统，简单易懂。-Program realization of the direct sequence spread spectrum communication system, straightforward.
SNR-3.95dB-DSSS
- 直接序列扩频的系统仿真，适合理解原理，很实用-Simulation of direct sequence spread spectrum system for understanding the principle, it is practical
DS_CDMA
- 关于cdma的直接序列扩频系统的经典编程，包括发射机，瑞利信道模型，接收机等的程序编写。-On direct sequence spread spectrum cdma classic programming, including the transmitter, Rayleigh channel model, receiver, etc. programming.
kuopin
- 直接序列扩频系统（DS，Direct Sequence）又称为直接序列调制系统或伪噪声系统（PN 系统），简称为直扩系统，是目前应用较为广泛的一种扩展频谱系统。要传送的信息经伪随机序列编码后对载波进行调制。在发信端越冬用扩频序列去扩展信号的频谱，在收信端，用相同的扩频友序列进行解扩，将展宽的频谱扩展信号还原成原始信号。因为伪随机序列的速率远大于要传送信息的速率，所以受调信号的频谱宽度将远大于要传送信息的频谱宽度，帮称之为扩频-Direct sequence spread spectrum (DS
bpsk
- 采用直接序列扩频技术的BPSK接收机matlAB仿真，内含说明。-This is a code for simulation of BPSK receiver using Direct Sequence Spread Spectrum. The performnace is evaluated in presence of AWGN and Rayleigh fading.Jakes Model has been used to obtained coefficients for raylei
DS_SS
- 讲述的直接序列扩频通信系统从信号产生，发射，信道传输，接收整个系统的程序-this is matlab for DS_SS system
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
DSSS
- 基于matlab的直接序列扩频系统抗干扰性能仿真-Simulation of Anti-jamming Performance of Direct Sequence Spread Spectrum Communication System Based on MATLAB
Direct_Sequence_Spread_Spectrum
- 这是关于直接序列扩频通信系统的DS-CDMA方式的仿真设计，系统主要分为发送机和接收机两部分，包括17个可用于SIMULINK仿真的S-FUNCTION代码M文件，和一个MATLAB源程序的DOC文件，程序都有详细的注释。-This is a direct sequence spread spectrum communication system on the DS-CDMA mode simulation design, the system can be divided into two p
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.)
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
DSSS扩频通信
- 直接序列扩频通信系统的matlab仿真。(Direct expansion system)
直接序列扩频水印的嵌入与提取
- 实现直接序列扩频水印的嵌入与提取。基于待嵌入消息生成二进制水印序列,生成扩频码，用消息序列调制生成水印序列。依次处理灰度图像的每一个载体图像像素，根据相应位置 水印序列完成嵌入修改。(Realize the embedding and extraction of direct sequence spread spectrum watermark. The binary watermark sequence is generated based on the message to be embed