| 释义 |
- abbr.无线电电传打字电报接收机（Radio Teletype Receiver）
- 1
r So, let's remember that the amount by which we moved, t delta r, is approximately equal to v times delta t, OK, and just using the definition of a velocity vector. 所以记住移动的量△,约等于v*△,这是用速度矢量的定义。 - 2
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。 - 3
Has developed the antenna switch, which is used in T-R separate antenna system, also put forward the scheme of designing the switch for T-R community antenna system. 收发分离天线体制下，天线开关的设计与实现，并提出了收发共用天线体制下高频天线开关的设计方案。
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