The FH (Frequency Hopping) communication technology is the most important part of anti jamming communication. FH pattern is the key in FH system.

跳频通信技术是一种重要的抗干扰通信技术，跳频图案的设计是跳频通信中的一项关键技术。

youdao

Hopping frequency (FH) communication technology is the important part of spread spectrum communication, which is widely applied in anti-jamming communication.

跳频技术是扩频通信中的一种抗干扰的实用技术。

youdao

Perhaps make GSM more like CDMA. All the researchers noted that CDMA Networks do not have this problem in part because it uses frequency hopping which makes eavesdropping much harder.

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