This paper introduces the theory of the phase-locked loop (PLL) and the direct digital synthesis (DDS) , a method to improve the precision of DDS and reduce its phase truncation error is also given.是什么意思_This paper introduces the theory of the phase-locked loop (PLL) and the direct digital synthesis (DDS) , a method to improve the precision of DDS and reduce its phase truncation error is also given.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句