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微带天线的窄带特性是限制其广泛应用的重要原因之一,如何展宽微带天线的带宽一直受到研究人员的关注.本文提出一种简单、实用、满足工程实际需要的宽频带微带天线的设计方法,实测表明,利用本文提出的设计方法所设计的L波段双层微带贴片天线,其阻抗带宽达到25 .7 % ,在工作范围内增益大于8dB.同时,本文提出的设计方法对于多层贴片微带天线也是适用的
The narrow-band characteristics of microstrip antennas are one of the important reasons that limit their wide application. How to broaden the bandwidth of microstrip antennas has always been the concern of researchers. This paper presents a simple, practical, to meet the needs of engineering broadband microstrip antenna The design method shows that the L-band double-layer microstrip patch antenna designed with the proposed method has an impedance bandwidth of 25.7% and a gain of more than 8dB over the working range. Meanwhile, the design method proposed in this paper is suitable for Multilayer patch microstrip antennas are also suitable