摘要
讨论了直接数字频率合成技术,阐明了采用直接数字频率合成器产生扫频信号源的原理及具体实现方法,具体描述了AVR单片机与DDS芯片的间接访问方式、硬件接口及相应的软件设计方法。
Discusses the technology of Direct Digital Frequency Synthesis (DDFS&DDS) .The theory of adopting DDS to generate the swept signal source and the specific realization methods are clarified. And the interface for AVR microcontroller and DDS chip by indirect accessing mode and corresponding software design means are described in detail.
出处
《煤矿机械》
北大核心
2006年第8期18-20,共3页
Coal Mine Machinery
关键词
直接数字频率合成
扫频信号源
AVR
direct digital frequency synthesis
swept signal source
AVR