According to the signal synchronization of LEO's direct sequence spread spectrum (DSSS) communication, a method based on software radio platform was described.
本文针对低轨卫星直接序列扩展频谱(DSSS)通信中的信号同步问题，提出了基于软件无线电平台的处理方法。
Based on the spread spectrum communication theory, combine digital signal-processing chip DSP and FPGA, this article researches and designs the receiver system for regional radio navigation.
本课题以扩频通信为理论基础，结合目前广泛使用的数字信号处理芯片DSP和FPGA，研究了区域无线电导航系统接收机数字信号处理平台。
This paper presents a new radio station data communication scheme, a DS-GMSK system based on in-band spread- spectrum technology.
提出了一种采用DS-GMSK体制、基于带内扩频技术的无线电台数字通信方案。
In its most basic form, CR is a hybrid technology involving software defined radio (SDR) as applied to spread spectrum communication.
在其最基本的形式，CR是混合动力技术涉及软件定义无线电(SDR)应用于扩频通信。
The band width of the radio-frequency signal for the spread spectrum communication can be spreaded to several times or even thousands of times the band width of the information signal.
扩频通信的射频信号频带宽度，可扩展到信息信号频带宽度的数倍乃至数千倍。
The band width of the radio-frequency signal for the spread spectrum communication can be spreaded to several times or even thousands of times the band width of the information signal.
扩频通信的射频信号频带宽度，可扩展到信息信号频带宽度的数倍乃至数千倍。
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