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upds
- 直接序列扩频通信可以有效地抵抗来自信道中的窄带干扰。在一个直扩通信系统中,扩频是通过伪噪声序列(PN)对发送的信息数据进行调制来实现的。在接收端,原伪噪声序列和所收信号的相关运算可将窄带干扰扩展到DS信号的整个频带,使干扰等效为幅度较低频谱较平坦的噪声；同时，将DS信号解扩,恢复原始信息数据。-direct sequence spread spectrum communication can be effective resistanc
FHSS_DSSS_CDMA
- 实现在加性高斯白噪声下直扩系统的调制与解调-DS-SS modulation
genzong
- 提供直扩系统的跟踪环路的matlab程序，并对其误差进行分析-Direct expansion system to provide tracking loop matlab program, and its error analysis
dsss-and-fhss-examples
- 本文件包含了两个直扩和跳频的例子，用MATLAB语言实现，而且还包括例子的原文及大量注释，十分详细-This document contains two examples of DS and FH, with the MATLAB language, but also examples of the original and a lot of notes, very detailed
DSSS
- 该程序主要说明直扩系统抑制正弦干扰方面的有效性。绘出不同幅度的正弦干扰信号及无干扰时的误码率.- This procedure mainly showed that expands the system to suppress the sine disturbance aspect straight the validity. Draws the different scope the sine unwanted signal and
Thejammingofspreadspectrumcommunicationssystemandt
- 西电毕业论文，文章详细的阐述了直扩原理并且进行了仿真。扩展频谱技术有多种基本实现方式，本文主要介绍的是直接序列 扩频技术，特别针对二进制的 PSK调制解调技术，直接序列扩频系统的抗干 扰能力分析与直接序列扩频系统的同步方法，并进行了相关仿真分析。-Spread spectrum communications has many basic manners of implementation, this pap
zhikuo
- 一个完整的直扩通信系统matlab实现，已编译通过-DSSS communication system complete matlab implementation, compiled by
recieve
- 一个直扩同步的模块，用于伪码的捕获和多普勒频移的提取-A synchronous DS module for pseudo-code capture and extraction of Doppler frequency shift
FPGA_DSSS
- 基于FPGA的直扩调制解调器的设计与实现，挺好的！-DS FPGA-based modem design and implementation, good!
1
- 直扩系统，适合学生毕业设计，结构简单，使用方便-DS system, suitable for graduate students to design, simple structure, easy to use
DS-and-matlab
- 直扩频通信中的伪码仿真及其matlab仿真-Direct Spread Spectrum Simulation and matlab simulation of pseudo code
DSSS
- 在Matlab下实现直扩仿真。九阶扩频序列。相关解扩。(Implementation of direct spread simulation under Matlab. Nine order spread spectrum sequence. Correlation despreading.)
差分能量检测
- 差分能量检测直扩程序，直扩的基础上加了差分编码和能量检测，而不是相关检测。(Differential energy detection DSSS, based on DSSS, adds differential encoding and energy detection instead of correlation detection.)
时反直扩
- 被动时间反转镜和直接扩频相结合，有效克服多途环境。(The combination of passive time reversal mirror and direct spread spectrum can overcome multipath environment effectively.)
signal
- 一个直扩通信系统的仿真，其中采用BPSK调制，包含有解扩和解调过程，以及各信号的频谱分析(Simulation of DSSS signal)
直扩信号盲识别
- 估计接收到的直扩信号的载频，码速率，以及扩频增益(Estimate the carrier frequency, code rate, and spread spectrum gain of the received DSS signals)
DS
- 实现直扩系统的simulink仿真，采用BPSK调制，可以直观理解直接序列扩频通信系统的工作原理(The realization of direct sequence spread spectrum communication system can be understood intuitively by the realization of Simulink simulation of DSSS and BPSK modulation
倒谱
- 对直扩信号采用倒谱法进行功率谱分析，检测高端周期脉冲谱线(Cepstrum signal power spectrum analysis using cepstrum method, detection of high-end periodic pulse line)
MATLAB
- 直扩系统实现,主要用于信号抗干扰，扩展频谱(to make the jdsai jsaiohffb sioahfsdn ksa)
DSSS扩频通信
- 直接序列扩频通信系统的matlab仿真。(Direct expansion system)