跳频通信 扩频通信 扩频序列 扩频谱通信 扩展频谱通信
Frequency hopping communication Spread spectrum communication Spread spectrum sequence spread spectrum communication
以上为机器翻译结果，长、整句建议使用 人工翻译 。
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.
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