A Wideband Square Spiral Antenna for Multiple Airborne Applications

In this article, we designed a wideband square spiral antenna with an impedance matching part that operated between 1500 – 5500 MHz (covering L, S, and C bands) for airborne uses such as Aeronautical Mobile Satellite Service, radar altimeters, Microwave Landing System, and airborne weather radars. The impedance matching part was a designed wideband balun. We obtained simulation results for scattering parameters, radiation patterns, antenna and system input impedances and gain values. The results confirmed that the antenna showed good matching and radiation characteristics within the mentioned frequency range.

Çoklu Hava Uygulamaları İçin Bir Geniş Bantlı Karesel Sarmal Anten

Bu makalede, Hava Mobil Uydu Servisi, radar altimetreleri, Mikrodalga İniş Sistemi ve hava radarları gibi hava aracı üzerinde taşınan kullanımlar için 1500-5500 MHz (L, S, ve C bantlarını kapsayan) aralığında çalışan, bir empedans uydurma kısmına sahip bir geniş bantlı karesel sarmal anten tasarladık. Empedans uydurma kısmı, tasarlanmış bir geniş bantlı balun idi. Saçılma parametreleri, ışıma örüntüleri, anten ve sistem giriş empedansları ile kazanç değerleri için benzetim sonuçlarını elde ettik. Sonuçlar, antenin bahsedilen frekans aralığında iyi uyumlandırma ve ışıma karakteristikleri gösterdiğini doğrulamıştır.

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