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本文阐述了扩频技术的优点、各种扩频系统(直接扩频、跳频和混合系统)的原理和主要参数,以及国际上的规定。
This paper expounds the advantage of spread spectrum, principle and important parameters of the system, and the international regulation.
根据扩展频谱方式的不同,扩频通信系统分为:直接序列扩频、跳频扩频和混合扩频。
According to different ways of spread spectrum, spread spectrum communication systems are divided into: direct sequence spread spectrum, frequency-hopping spread spectrum and hybrid spread spectrum.
最后用原理图输入方式把OFDM调制系统和跳频系统两个子系统相连构成FH - OF DM混合调制系统。
Finally, the OFDM modulation system and frequency-hopping system are connected by Schematic to constitute FH-OFDM modulation system.
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