Direct Sequence Spread Spectrum 直接序列扩频 ; 直接序列展频技术 ; 直接序列展频
direct sequence spread spectrum signal 直扩信号
direct sequence spread spectrum communication 直序扩频通信 ; 直扩通信
direct sequence spread spectrum modulation 直接序列扩频调制
Direct Sequence Spread Spectrum DSSS 直接序列展频技术 ; 直接序列扩频
Direct Sequence Spread Spectrum system 直接序列扩频系统 ; 直接序列扩频通信
direct sequence spread spectrum ranging 直接序列扩频测距
Direct Sequence Spread Spectrum Encoding 直接序列扩频编码 ; 直接序列扩频编码方法
M-ary direct-sequence spread spectrum M进制直接序列扩频
This paper simulates the direct sequence spread spectrum system for doublephase sequence through different modulation mode (BPSK,QPSK) by simulink toolbox in matlab and then gives the simulation diagram and the parameters and the emulate running result of the whole system.
本文利用matlab里的simulink工具箱,分别采用了BPSK和QPSK两种不同的调制方式,对二相序列的直接扩频系统进行了仿真,给出了仿真设计框图、参数及仿真运行结果。
参考来源 - 扩频系统的Simulink仿真·2,447,543篇论文数据，部分数据来源于NoteExpress
The paper introduces the basic composition of transmitter and receiver in direct-sequence spread spectrum system and gives the detailed design block diagram of the receiver.
针对直接序列扩频信号，介绍了其发射和接收部分基本组成，给出了系统接收部分的具体设计框图。
We put forward a method which can easily be realized in DSP and direct sequence spread-spectrum system based on QPSK, it achieved a good performance in tests.
提出了易于在DSP以及QPSK的直接序列扩展频谱系统中实现的方法，并在测试中达到了较好的性能。
Aiming at the acquisition problem of direct sequence spread-spectrum (DSSS) signals with large Doppler offset, a new method based on fast Fourier transform (FFT) is proposed.
针对具有大多普勒偏移的直接序列扩频信号捕获问题，提出一种基于快速傅里叶变换(FFT)的多普勒和伪码分别并行搜索的捕获新方法。
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