Background and related topics ■ Fourier optics
Background and related topics ◼ Fourier optics
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？
Text and notes with the invention of the transistor in the 1 950s and the advent of microwave integrated circuits in the 1960s,the concept of a microwave system on a chip became a reality ■随着20世纪50年代体管的发明和60年代微波集成电路 出现,片级微波系统的设想已经变成了事实 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 ◼ With the invention of the transistor in the 1950s and the advent of microwave integrated circuits in the 1960s, the concept of a microwave system on a chip became a reality. ◼ 随着20世纪50年代晶体管的发明和60年代微波集成电路 的出现，芯片级微波系统的设想已经变成了事实
Text and notes a Due to the exact and all-encompassing nature of these laws in predicting electromagnetic phenomena, along with the great body of analytical and experimental investigations performed since then we can consider the field of RF and microwave engineering a mature discipline at this time 由于麦克斯韦定律可准磅预测各种电磁现象,加之后续进 行的大星理论分折和实验研究工作,可以说身频微波工 程现在是一/7熟的学科 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 ◼ Due to the exact and all-encompassing nature of these laws in predicting electromagnetic phenomena, along with the great body of analytical and experimental investigations performed since then, we can consider the field of RF and microwave engineering a “mature discipline” at this time. ◼ 由于麦克斯韦定律可准确预测各种电磁现象，加之后续进 行的大量理论分析和实验研究工作，可以说射频/微波工 程现在是一门成熟的学科
Text and notes The use of Maxwells equations at these higher frequencies becomes imperative 子是,人们迫切需要将麦克新韦方程应用于这些更高的频 段。 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 ◼ The use of Maxwell’s equations at these higher frequencies becomes imperative. ◼ 于是，人们迫切需要将麦克斯韦方程应用于这些更高的频 段