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。
In experiment teaching, the design of digital electronic system with EDA technology has the advantages of rapid design, convenient debugging, short development cycle and reliable system.
在实验教学中，用EDA技术设计数字电子系统，具有设计快速、调试方便、研制周期短、系统可靠性高等优点。
Taking the experiment stope of a metal mine as example and combining with digital mine software DIMINE, application of 3d visualized modeling technology in this mine is introduced.
以某金属矿山的试验采场为例，结合DIMINE数字矿山软件，介绍了三维可视化建模技术在该矿山的应用。
The technology of variable frequency speed governing was used in the driving system of the experiment stand. And the advanced stepping digital overflow valve was adopted in the part of loading.
该试验台的驱动系统采用交流变频调速技术，加载部分采用先进的步进式数字溢流阀进行加载。
The technology of variable frequency speed governing was used in the driving system of the experiment stand. And the advanced stepping digital overflow valve was adopted in the part of loading.
该试验台的驱动系统采用交流变频调速技术，加载部分采用先进的步进式数字溢流阀进行加载。
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