采用正弦讯号的数字相位合成技术,可由简单的电路获得高质量的正弦讯号。它具有独特的优良性能,能直接用于全数字式讯号源、数字综合调制器及数字化锁相环等设备。本文阐述了该技术的工作原理和实现方法,指出其特点和用途。 Sinusoidal signal digital phase synthesis technology, a simple circuit can be high-quality sinusoidal signal. It has unique superior performance, can be directly used for all digital signal sources, digital synthesis modulator and digital PLL and other equipment. This paper describes the working principle of the technology and its implementation, pointing out its characteristics and uses.