摘要
介绍直接数字式频率合成器(Direct Digital Synthesizer,DDS)的基本原理和基于DDS技术的Digit CD数字激励器的频率调制实现过程,并通过对DDS技术和传统的频率合成技术的比较,定量分析选择DDS技术的优势。
The basic principle of direct digital synthesis frequency technology(DDS)and the realization process of frequency modulation of Harris Digit CD digital exciter of DDS and PLD technology are introduced.By comparing DDS technology with traditional frequency synthesis technology,the advantages of choosing DDS technology are quantitatively analyzed.
作者
丘杰宏
叶伟明
李建威
QIU Jiehong;YE Weiming;LI Jianwei(Guangdong Province Broadcasting TV Technical Center,Guangzhou 510030,China)
出处
《电声技术》
2020年第8期87-90,共4页
Audio Engineering
