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Journals / Erzincan Üniversitesi Fen Bilimleri Enstitüsü Dergisi / 2026 / Cilt: 19 Sayı: 2

A Novel Narrow Band-pass Frequency Selective Surface Design for Radome Applications

Radom Uygulamaları için Yeni Bir Dar Bant Geçiren Frekans Seçici Yüzey Tasarımı

Orhun Tunç0009-0001-7522-846X
Berkay Yanılmaz(Aselsan)0009-0000-9822-0578
Bora Döken(İSTANBUL TEKNİK ÜNİVERSİTESİ)0000-0002-1874-3844
Pages
445–456
Publication Date
2026-08-31
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AI Summary & Key Takeaways

AI Insight
⚡ TL;DR(Too Long; Didn't Read)

A comparative analysis indicates that the presented structure effectively meets its design goals and offers notable advantages over conventional slot-only FSS configurations.

📌 3 Key Takeaways

🎯
Objective & Hypothesis:This paper proposes a narrow-bandpass frequency-selective surface (FSS) design for S-band radomes that transmits RF signals between 2.7 and 2.9 GHz frequencies while exhibiting fully reflective characteristics for all other frequencies.
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Key Findings & Data:Stable frequency behavior is achieved through a significant reduction in unit cell dimensions.
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Conclusion & Impact:A comparative analysis indicates that the presented structure effectively meets its design goals and offers notable advantages over conventional slot-only FSS configurations.
🔬Design:Araştırma Makalesi
📍Scope:Comprehensive Sample
⚙️Variables:Frekans seçici yüzey · FSY · periyodik yapılar

Abstract

This paper proposes a narrow-bandpass frequency-selective surface (FSS) design for S-band radomes that transmits RF signals between 2.7 and 2.9 GHz frequencies while exhibiting fully reflective characteristics for all other frequencies. The FSS radome protects the sensitive internal components from external RF noise and jamming attempts, improving system robustness and electromagnetic compatibility. The FSS radome reflects the signal out of the band, allowing the radar cross-section to be reduced by shaping. Despite the availability of numerous band-stop and wide-band designs in the existing literature, it is observed that there is a limited number of narrow-band band-pass designs. The intended use of the FSS for radomes has necessitated a narrow pass-band and a stable frequency response for wide oblique incidence angles. A novel band-pass FSS structure is proposed in this work by incorporating complementary resonant elements and an inductive grid. Stable frequency behavior is achieved through a significant reduction in unit cell dimensions. A comparative analysis indicates that the presented structure effectively meets its design goals and offers notable advantages over conventional slot-only FSS configurations.

Özet

Bu çalışma, S-band radom uygulamaları için 2.7–2.9 GHz frekans aralığında RF sinyallerini ileten ve diğer tüm frekanslarda tamamen yansıtıcı özellik sergileyen dar bant geçiren bir frekans-seçici yüzey (FSY) tasarımı önermektedir. FSY radom, hassas iç bileşenleri harici RF gürültüsüne ve karıştırma girişimlerine karşı koruyarak sistemin dayanıklılığını ve elektromanyetik uyumluluğunu artırır. Aynı zamanda, bant dışı sinyalleri yansıtarak elektromanyetik şekillendirme yoluyla radar kesit alanının (RCS) azaltılmasına olanak tanımaktadır. Mevcut literatürde çok sayıda bant-durdurucu ve geniş bant tasarımı bulunmasına rağmen, dar bant geçiren yapıların sınırlı sayıda olduğu gözlemlenmiştir. Radom uygulamaları için öngörülen kullanım, dar bir geçiş bandı ve geniş eğik geliş açıları altında kararlı bir frekans tepkisi gerektirmektedir. Bu çalışmada, tamamlayıcı rezonans elemanları ve endüktif bir ızgara içeren özgün bir bant geçiren FSS yapısı önerilmektedir. Birim hücre boyutlarının önemli ölçüde küçültülmesi sayesinde frekans tepkisi kararlılığı sağlanmıştır. Yapılan karşılaştırmalı analizler, sunulan yapının tasarım hedeflerini etkin biçimde karşıladığını ve geleneksel yalnızca yarık tabanlı FSS yapılarına kıyasla dikkate değer avantajlar sunduğunu ortaya koymaktadır.

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Cite This Article

Tunç, O., Yanılmaz, B., Döken, B. (2026). A Novel Narrow Band-pass Frequency Selective Surface Design for Radome Applications. Erzincan Üniversitesi Fen Bilimleri Enstitüsü Dergisi, Cilt: 19 Sayı: 2, 445–456. https://doi.org/10.18185/erzifbed.1786813

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