Therefore, taking advantage of AD device and digital filtering technique to realize mixing and other frequency transformation function is a comparatively advanced, novel and practical method.
因此，采用AD器件和数字滤波器技术实现混频等频率变换功能，是一种比较先进和新颖并且实际可行的方法。
This paper introduces the course and main contents of the transformation of LB-30 type asphalt concrete mixer's dry rolling system and mixing system.
介绍了LB—30类型沥青混凝土搅拌机烘干滚筒系统及搅拌系统的技术改造过程及主要内容。
In the paper, we advanced the method of mixing function by means of AD and DSP software programming, which is a typical application of frequency transformation with AD and digital filter.
本文提出采用AD和DSP软件编程的方法实现信号的混频功能，作为AD和数字滤波器实现频率变换的一个典型应用。
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