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。
The generating of pseudo random sequence is one of the key subjects to realize the spread spectrum technique upgrade for BPC low frequency time code radio station.
伪随机序列的产生是实现BPC低频时码发播台扩展频谱技术升级的一个重要环节。
The near field spread spectrum ranging algorithm based on software radio is investigated.
对基于软件无线电的近距离扩频测距算法进行了研究。
Presented in this paper is a direct sequence spread spectrum radio based on virtual technique in which direct sequence spread spectrum, software radio and virtual technique are combined.
文中提出的虚拟式直接序列扩频通信电台将直接序列扩频通信、软件无线电和虚拟技术相结合。
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。
The availability of low orbit satellite spread-spectrum communications is impacted by the complicated radio environment in China and Southeast Asia.
由于中国国内和东南亚地区电磁环境复杂，影响了低轨卫星扩频通信的可用性。
Based on MATLAB, the primary concepts of the spread spectrum are simulated. The system design and interface technology of a spread spectrum radio device is simply discussed.
基于MATLAB，对扩频通信技术有关概念进行了仿真分析，并简要讨论了点对点扩频电台的系统设计和接口技术。
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。
A design of spread spectrum and ranging code in radio measurement and its control system are given in the paper.
本文给出了无线电测控系统中扩频和测距编码的设计方法。
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。
Network channel is base on frequency hopping and spectrum spread radio stations.
网络信道基于跳频和扩频超短波电台。
A distributed multiple access protocol, which is based on spread spectrum code switching technique, for the integrated voice and data in packet radio networks is proposed.
本文提出了一种以扩频多址为基础的在信包无线网中实现话音和数据综合服务的分布式多址协议。
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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