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直接数字式频率合成(DDS)作为一种新的频率合成技术,它可以实现从信号参数到信号波形的转换。本文介绍了DDS的基本原理以及DDS芯片AD9852的结构、特点,并给出了基于AD9852的数字频率合成系统中的设计与实现。
Direct digital frequency synthesis (DDS) as a new frequency synthesis technology, which can be achieved from the signal parameters to the signal waveform conversion. This article describes the basic principles of DDS and DDS chip AD9852 structure, characteristics, and gives the design and implementation of digital frequency synthesis system based on AD9852.