搜索资源列表
DSSS
- （1）编程建立Gold序列，仿真Gold序列的波形； （2）仿真Gold序列的自相关和互相关特性。 （3）编程仿真直接扩频通信系统模型，画出扩频前后信号波形及频谱。((1) programming Gold sequence and simulating the waveform of Gold sequence; (2) the autocorrelation and cross correlation characterist
00-AudioReader&Writer
- 1. Spread Spectrum matlab code audio-steganography-algorithms Conventional Algorithm for DSSS Improved Spread Spectrum
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
firso-mackward
- BPSK-DSSS-CDMA-FFT 四个基本系统的代码()
90915781hvvCDMA
- 扩频代码，利用walsh进行的扩频，可以修改其中的参数(DSSS CDMA,walsh code)
dsss_spreadspectrum
- 主要实现直接序列扩频调制，解调。信道采用高斯白噪声信道。(The main realization of direct sequence spread spectrum modulation, demodulation. The channel adopts gaussian white noise channel.)
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.)
kxmem
- BPSK-DSSS-CDMA-FFT 四个基本系统的代码()
二次谱法
- 对DSSS/BPSK信号进行二次功率谱估计，可以估计出载频信息(The two power spectrum estimation of DSSS/BPSK signal can estimate carrier frequency information.)
平方倍频法
- 对DSSS/BPSK信号进行平方倍频法，可以对其载频进行估计(The frequency doubling method of DSSS/BPSK signal can be used to estimate its carrier frequency.)
时域自相关法
- 对DSSS/BPSK信号进行自相关处理，可以对其伪码周期进行估计(Autocorrelation of DSSS/BPSK signals can be used to estimate the PN code period.)
延时相乘法
- 对DSSS/BPSK信号进行延迟相乘，可以估计其伪码速率并检测(The DSSS/BPSK signal can be multiplied by delay, and its pseudo code rate can be estimated and detected.)
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
Desktop
- 直接扩频通信系统在瑞利信道下的研究，一些比较有用的文献(research on direct spread spectrum communication system under Rayleigh channel, some useful literatures.)
DSSSDQPSK无同步M文件
- 基于DQPSK的直接序列扩频系统，包括调制解调等模块。(Direct sequence spread spectrum system based on DQPSK, including modulation and demodulation module.)
DSSS扩频通信
- 直接序列扩频通信系统的matlab仿真。(Direct expansion system)
DSSS and FHSS and communication blocks
- simulation of matlab code for all communication blocks and links , essential for comm. engineeres.