Study on single sided comb shaped patch antennas with arm rotation allowing resonant frequency shift and pattern pivoting adaptable for sensing operations

Abstract

In this paper single sided comb shaped patch antennas having different number of arms with various arm rotations are reported. With simulations S11 parameter changes and the far-field radiation patterns of the antennas are calculated. Results show that the first and the second resonances of the designed antennas shift to higher frequencies and their patterns pivot in certain directions as the antenna arms rotate. Among the designed antennas, the antennas having three arms on the side with different arm rotations are manufactured, too. Measured 𝑆11 parameter change results agree well with the simulation results. The findings indicate that the designed antennas are promising for size critical systems as well as sensing operations.

Keywords

• Patch antenna
• Comb shape
• Arm rotation
• Resonance shift
• Pattern pivoting

Algılama uygulamaları için uyarlanabilir rezonans frekans kaymasına ve yayılım örüntüsü yönlenmesine olanak sağlayan kol dönüşüne sahip tek taraflı tarak şekilli yama antenler üzerine çalışma

Abstract

Bu makalede farklı kol sayısına ve farklı kol dönme açılarına sahip tek taraflı tarak şeklindeki yama antenleri incelenmektedir. Simülasyon araçları kullanılarak antenlerin S11 parametre değişiklikleri ve uzak alan yayılım örüntüleri hesaplanmıştır. Sonuçlar, tasarlanan antenlerin anten kolları döndükçe ilk ve ikinci rezonanslarının daha yüksek frekanslara kaydıklarını ve uzak alan yayılım örüntülerinin belirli yönlere doğru döndüğünü göstermektedir. Tasarlanan antenler arasında, farklı kol dönüş açılarına sahip üç kollu antenlerin üretimleri gerçekleştirilmiştir. Ölçülen 𝑆11 parametre değişikliği sonuçları, simülasyon sonuçlarıyla iyi bir uyum göstermektedir. Bulgular, tasarlanan antenlerin boyut açısından kritik/sınırlı sistemler ve algılama uygulamaları için gelecek vadettiğini göstermektedir.

Keywords

• Yama anten
• Tarak şekli
• Kol dönmesi
• Rezonans kayması
• Örüntü dönmesi

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