在扩频通信技术中，直接序列扩频和跳频是应用最广的两种扩频技术。
In the spread spectrum communication, direct sequence spread spectrum (DSSS) and frequency hopping (FH) are the two kinds of most widely used spread spectrum technologies.
跳频技术是扩频通信中的一种抗干扰的实用技术。
Hopping frequency (FH) communication technology is the important part of spread spectrum communication, which is widely applied in anti-jamming communication.
跳频通信是扩频通信的一个分支，它的突出优点是抗干扰性强，因而很适用于军事领域。
Over the past few decades, frequency-hopping (FH) communication system is widely used in military applications for its well performance.
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