It mainly contains the digital modulate system, the SS communication theory and the direct sequence spread spectrum (DSSS) system.
主要是数字调制系统、扩展频谱通信原理和直接序列扩频系统等内容。
The rejection techniques of broadband interference have caused more and more attention in Spread Spectrum(SS) communication systems.
扩频通信系统中宽带干扰的抑制技术越来越引起人们的重视。
Spread Spectrum (SS) communication is a kind of communication system with excellent performance, and has attracted wide attention and interest of researchers since it was born.
扩频通信是一种有着极其优异性能的通信方式，自其诞生之日起就受到了广泛的关注。
FSK-SS communication system has higher transmission efficiency as compared with direct series spread spectrum (DS-SS) communication system.
与通常的直接序列扩颗通信方式(DS - SS)相比，移频键控多值传送扩颗通信方式(FSK - SS)具有传输效率高的特点。
The author proposed a scheme that applying the spread spectrum (SS) communication to the strong noise environment to solve this problem.
本文作者在分析了矿井通信技术难题的基础上，提出了将扩频通信应用到强噪声环境中的方案。
The author proposed a scheme that applying the spread spectrum (SS) communication to the strong noise environment to solve this problem.
本文作者在分析了矿井通信技术难题的基础上，提出了将扩频通信应用到强噪声环境中的方案。
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