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DSSS-Transmitter
- 北斗定位系统卫星下行信号的基带处理部分——基于FPGA的直接序列扩频发射机的设计与仿真。-Beidou Positioning System satellite downlink of the baseband signal in part- based on direct sequence spread spectrum FPGA Design and Simulation of the transmitter.
CompletethedirectsequencespreadspectrumsystemPNpre
- 完成直接序列扩频系统的伪码精确同步，并用FPGA进行实现-Complete the direct sequence spread spectrum system PN precise synchronization, and implementation with FPGA for
Costas
- 介绍了某直接序列扩频、QPSK调制系统接收通道中四相Costas 载波跟踪环的原理及其基于 DSP+FPGA 的实现-Introduced a direct-sequence spread spectrum, QPSK modulation system, receive path Costas carrier tracking loop four-phase principle and its implementation based on DSP+ FPGA
mps-
- 1． 伪随机序列概述 在扩展频谱通信系统中，伪随机序列起着十分关键的作用。在直接序列扩频系统得发射端，伪随机序列将信息序列的频谱扩展，在接收端，伪随机序列将扩频信号恢复为窄带信号，进而完成信息的接收。 -1. The pseudo-random sequence Overview, pseudo-random sequence plays a very crucial role in the spread spectrum communication system. Obtained i
cdma_sim
- cdma直接扩频系统，扩频码长度可配置，码速率可配置，仿真已经通过-CDMA