本文主要研究了数字系统频带展宽原理及频带展宽中的三个关键技术。

In this paper, the extension theory of bandwidth in digital system and three key points of frequency band extension technology are studied experimentally by simulation.

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本文首先介绍了微带天线的理论分析方法和数值分析方法，并总结了微带天线小型化、多频段以及展宽频带的各种技术。

First, this article introduces some theoretical methods and numerical methods to analyze microstrip antenna and sum up some techniques for miniaturization, multi-frequency and broadening the band.

youdao

本文首先介绍了微带天线的理论分析方法和数值分析方法，并总结了微带天线小型化、多频段以及展宽频带的各种技术。

First, this article introduces some theoretical methods and numerical methods to analyze microstrip antenna and sum up some techniques for miniaturization, multi-frequency and broadening the band.

youdao