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。

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Lamarr termed the technique "frequency hopping, " a forerunner of the spread-spectrum technology that is used today in communications applications such as Wi-Fi.

WSJ: Book Review: Hedy's Folly