CORDIC算法在DDS中的应用
Journal Title: Science Paper Online - Year 2010, Vol 5, Issue 1
Abstract
直接数字频率合成技术(DDS)是20世纪70年代初提出的一种新的频率合成技术，具有频率分辨率高，切换速度快，并且在改变时能保持相位连续，易实现频率、相位和幅度的调制等特性。在分析CORDIC算法基本原理的基础上，用一种改进的CORDIC算法，实现了直接数字频率合成(DDS)技术中相位/幅度转换模块，避免了用ROM实现相幅转换时硬件开销过大及处理速度受限制的问题。
Authors and Affiliations
Shangyi Dai, Dongxin Li
Keywords
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