The zero-crossings of the AC voltage and digital frequency synthesizer are used in solving the two main problems in frequency hopping system-synchronization and fast frequency synthesizing.
利用电力系统三相交流电压过零点和高速数字频率合成器解决了跳频系统中同步和快速频率合成的两个关键问题。
This paper will discuss a new way to speed frequency hopping of frequency synthesizer. This way will assure that loop circult is locked in a very short time.
本文介绍一种加快频率合成器跳频速度的新方法，该方法能确保环路的初始频差在快捕带以内，使环路迅速捕获锁定。
The paper introduces the composition and the operation mode of frequency hopping (FH) communication system and the design requirement of frequency hopping synthesizer.
介绍了跳频通信系统的基本组成、工作方式以及跳频通信系统中跳频综合器的设计要求。
Based on AD9954, a highly integrated frequency synthesizer, the operation and application theory of AD9954 in frequency hopping system are introduced.
在研究高集成度频率合成器ad9954的基础上，给出了AD 9954在跳频系统中的应用方案。
Based on AD9954, a highly integrated frequency synthesizer, the operation and application theory of AD9954 in frequency hopping system are introduced.
在研究高集成度频率合成器ad9954的基础上，给出了AD 9954在跳频系统中的应用方案。
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