史密斯圆图图解法是通信中微波传输系统设计中的重要工具之一。
The illustrating method via Smith Chart is one of the important tools for the design of the transmission line problem in microwave communication.
对运城微波传输系统数字化改造情况进行了简单介绍，并对相关数字设备原理进行了具体分析，指出数字微波设备使用与维护应注意的几个方面。
It also analyzes the relevant principles of digital devices and points out several problems of maintenance which should be noted when the digital equipment is in use.
所研制的接收机用在传输电视和数字通信的微波转发系统中，已获得良好的试验结果。
The experimental receiver has been used in a microwave relay system for TV transmission and digital communication, with satisfactory performances.
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