介绍了跳频扩频通信系统的原理。应用matlab语言防真和分析了一个1个频点的跳频通信系统的扩频通信过程；防真和分析了2个跳频信号跳频点的变化情况。-The principle of frequency-hopping spread spectrum communication system. Application matlab language and analyzed the anti-true process of a spread spectrum communication frequency hopping communication system　anti-truth and analyzed changes in two frequency-hopping signal hopping points.