为了能够方便地产生波形平滑、频率稳定的正弦信号波形，提出了一种基于DDS技术的正弦信号发生器的设计方法。
To produce the smooth waveform with the stable frequency, this paper presents a design method of sine signal generator's function circuit which is based on the DDS theory.
这种方法有节制的信号分解成一系列的波形正弦和余弦的组成部分。
This method decomposes a measured signals waveform into a series of sine and cosine components.
本文所设计的正弦信号发生器主要由DDS波形产生模块、单片机控制模块、键盘输入模块和数码管显示模块组成。
This system consists of DDS signal generator module, MCU control module, keyboard input module and nixie tube display module.
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