Text and notes a Before we describe and analyze these types of waves we need to consider why RF/microwaves as a subject has become so important that it is placed at the forefront of our modern technology 在游述这类电波之前,我们要考虑这样一个问题:为什 么身频微波学科变得如此重要,以至于们要将归入 现代技术的前沿学科? 上海海学信息工程学院上海海事大学信息工程学院 Text and notes ◼ Before we describe and analyze these types of waves we need to consider why RF/microwaves as a subject has become so important, that it is placed at the forefront of our modern technology. ◼ 在讲述这类电波之前，我们需要考虑这样一个问题：为什 么射频/微波学科变得如此重要，以至于人们要将其归入 现代技术的前沿学科？