首先，本文对数字频率直接合成(DDS)技术的特点进行介绍，提出一种基于DDS技术的任意波形发生器(AWG)的改进结构。
First of all, this thesis introduces the features of Direct Digital Frequency Synthesis (DDS) technique and gives a new structure of the Arbitrary Waveform Generators (AWG) base on DDS technology.
该技术尤其适合于UWB应用，可直接合成的超宽带波形，而无需搅拌机或高精密过滤器。
The technology is particularly well-suited for UWB applications, allowing direct synthesis of UWB waveforms without the need for mixers or high-precision filters.
最终实现频率、相位、复合波形皆可调节的直接数字合成的信号发生器。
The DDS signal generator which can adjust signal phase, signal frequency and complex wave is designed.
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