Direct digital synthesis (DDS) is an advanced all digital frequency synthesis technology, based on the PM function of DDS, this paper gives the design scheme of a DDS digital phase shifter.
直接数字式频率合成技术(DDS)是一种先进的全数字频率合成技术,本文基于DDS的相位调制功能,给出了一种DDS数字移相器的设计方案。
AIM: to compare the performance of two exciting sources based on direct digital synthesis (DDS) technology and to present some advice for the future system design.
目的:比较两种基于直接数字合成技术的阻抗激励源的性能,为以后阻抗系统设计提供指导。
According to the technology of direct digital synthesis(DDS), a kind of low frequence signal source was introduced based on the Complex Programmed Logical Device(CPLD)and Single Chip Micyoco(SCM).
介绍了一种应用直接数字频率综合器(DDS)技术,基于可编程逻辑器件(CPLD)和单片机设计的低频信号源。
The principle of digital T/R module based on direct digital synthesis (DDS) technology is proposed, and the experiment results on the digital T/R module are given in this paper.
简要介绍了基于直接数字合成(DDS)技术的数字T/R组件的基本原理,对基于DDS的相控阵数字发射组件进行了实验研究,文章给出了实验结果,并进行了分析。
Direct Digital frequency synthesis (DDS) technology has always been the hotspot of study on frequency synthesis technology, since it was introduced in 1971 firstly.
自1971年第一次被引入以来,直接数字频率合成(DDS)技术一直是频率合成技术研究的热点。
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.
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。
Then the work theory, system structure, technology index, spectrum characteristic, merits and defects of Direct Digital Synthesis (DDS) are introduced mostly in the second chapter.
在第二章中,主要介绍直接数字频率合成器(DDS)的工作原理,对DDS的系统结构,工作原理,技术指标,频谱特性,优缺点进行了阐述。
With the appearance of DDS ASIC, Direct Digital Synthesis(DDS) technology is wide ranging applied.
目的:设计一个采用直接数字合成技术的电流模式多频阻抗激励源。
With the appearance of DDS ASIC, Direct Digital Synthesis(DDS) technology is wide ranging applied.
目的:设计一个采用直接数字合成技术的电流模式多频阻抗激励源。
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