This paper introduces the structure and basic principles of ultrashort wave frequency hopping station system,analyzes on the TOD and three kinds of frequency-hopping synchronizations,and advances a scheme of deferred-network-entry synchronizationt.

• 介绍了超短波跳频电台系统结构及基本原理,分析了时间信息(TOD)与3种跳频同步分类,提出了一种迟入网同步方案。