本文選題：微帶陣列天線(xiàn) + 寬帶微帶天線(xiàn)��； 參考：《微波學(xué)報(bào)》2014年01期

【摘要】：寬帶微帶天線(xiàn)多使用縫隙結(jié)構(gòu)和多層結(jié)構(gòu),在擴(kuò)展阻抗帶寬的同時(shí)天線(xiàn)方向圖副瓣與后瓣電平變大,降低了天線(xiàn)性能,限制了應(yīng)用。小型化金屬EBG結(jié)構(gòu)反射板具有高阻抗表面特性,可利用其減小天線(xiàn)厚度提升方向圖性能。通過(guò)結(jié)構(gòu)設(shè)計(jì)與優(yōu)化,相對(duì)于普通反射板結(jié)構(gòu),天線(xiàn)前后比提升了1.29dB,最大副瓣電平降低了3.16dB。天線(xiàn)至反射板的距離也被縮小至14mm(λ/4),降低了天線(xiàn)剖面。測(cè)試結(jié)果說(shuō)明,對(duì)于改善多層天線(xiàn)、縫隙耦合天線(xiàn)方向圖特性,提升天線(xiàn)前后比,縮小天線(xiàn)厚度這種結(jié)構(gòu)天線(xiàn)非常有效。
[Abstract]:Wideband microstrip antenna uses slot structure and multilayer structure. The sidelobe and rear lobe level of antenna pattern become larger while the impedance bandwidth is extended, which reduces the antenna performance and limits the application. The miniaturized metal EBG reflector has high impedance surface characteristics, which can be used to reduce the antenna thickness and improve the performance of the pattern. Through structural design and optimization, compared with the conventional reflector structure, the antenna front and back ratio is raised by 1.29 dB, and the maximum sidelobe level is reduced by 3.16 dB. The distance from the antenna to the reflector is also reduced to 14mm (位 / 4), reducing the antenna profile. The test results show that this kind of structure antenna is very effective in improving the pattern characteristics of multi-layer antenna, slot coupling antenna, raising the ratio of antenna to front and back, and reducing the antenna thickness.
【作者單位】： 哈爾濱工程大學(xué)信息與通信工程學(xué)院;集美大學(xué)信息工程學(xué)院;
【基金】：福建省科學(xué)技術(shù)廳重點(diǎn)項(xiàng)目(2013H0035) 廈門(mén)市科技計(jì)劃項(xiàng)目重大科技創(chuàng)新平臺(tái)項(xiàng)目(3502Z20123028) 黑龍江省自然科學(xué)基金重點(diǎn)項(xiàng)目(ZD201115)
【分類(lèi)號(hào)】：TN822

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相關(guān)期刊論文 前3條

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本文編號(hào)：2118203