Richards uzayında band geçiren devre fonksiyonu gerçeklemesi ve yama anten uyumlaştırmada kullanımı
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Dosyalar
Tarih
2014-04-23
Dergi Başlığı
Dergi ISSN
Cilt Başlığı
Yayıncı
IEEE
Erişim Hakkı
info:eu-repo/semantics/closedAccess
Özet
Literatürde çok iyi bilinmektedir ki, Richards-düzlemi, Laplace-düzleminde tanjant hiperbolik eşlemesi uygulanarak elde edilen dönüştürülmüş bir uzaydır. Richards frekansı cinsinden üretilen devre fonksiyonları gerçek frekans ekseninde π periyoduna sahiptir. Richards uzayında alçak geçiren prototip devre fonksiyonu tasarlandığında, bu periyodik özellik nedeniyle, karşı gelen periyodik band geçiren devre fonksiyonu frekans ekseninde belirli bandlarda tekrarlanarak ortaya çıkmaktadır. Tasarımcı, uygulamanın gereksinimlerine göre bu tekrarlanan bandlar arasından ilgilendiği bandı seçebilir. Bu çalışmada, 3.2448-3.744 GHz bandında çalıştırılmak üzere tasarlanmış UWB uygulamaları için elverişli bir mikroşerit yama anten için eş-uzunluklu (commensurate) iletim hatları ile oluşturulmuş uyumlaştırma devresi tasarımı ele alınmaktadır. Tasarımda, SRFT (Simplified Real Frequency Technique: Basitleştirilmiş Gerçel Frekans Tekniği) kullanılmaktadır ve teorik tasarım ile MWO (AWR) benzeşimleri arasında çok iyi uyum olduğu gözlenmiştir.
In the literature, it is well known that complex Richards-Plane is a transformed domain of Laplace-Plane which is obtained under a tangent hyperbolic mapping. Network functions generated in terms of Richards frequency are periodic in actual frequencies with periodicity pi. Once a lowpass prototype network function is designed in Richards domain it is this periodic feature that makes the corresponding periodic bandpass network function to appear at certain bands repetitively in the frequency axis. Designer can choose the interested band among these repetitive bands depending on the application requirements. In the work, a matching network built with microstrip commensurate transmission lines is designed for a microstip patch antenna which is designed to operate in 3.2448-3.744 GHz band, potentially to be used in UWB applications. SRFT (Simplified Real Frequency Technique) is used in the design and very good agreement found between the theoretical design and simulations done in MWO (AWR).
In the literature, it is well known that complex Richards-Plane is a transformed domain of Laplace-Plane which is obtained under a tangent hyperbolic mapping. Network functions generated in terms of Richards frequency are periodic in actual frequencies with periodicity pi. Once a lowpass prototype network function is designed in Richards domain it is this periodic feature that makes the corresponding periodic bandpass network function to appear at certain bands repetitively in the frequency axis. Designer can choose the interested band among these repetitive bands depending on the application requirements. In the work, a matching network built with microstrip commensurate transmission lines is designed for a microstip patch antenna which is designed to operate in 3.2448-3.744 GHz band, potentially to be used in UWB applications. SRFT (Simplified Real Frequency Technique) is used in the design and very good agreement found between the theoretical design and simulations done in MWO (AWR).
Açıklama
Anahtar Kelimeler
Çok genişband uyumlaştırma, Gerçel frekans teknikleri, Mikroşerit iletim hatları, Yama anten, Antenna radiation patterns, Application requirements, AWR, Band notch, Broadband networks, Complex networks, Complex Richards-Plane, Conferences, Design, Frequency 3.2448 GHz to 3.744 GHz, Frequency axis, High electron mobility transistors, Laplace-Plane, Lowpass prototype network function, Lowpass prototypes, Matching network, MATLAB, Microstip patch antenna, Microstrip antennas, Microstrip commensurate transmission lines, Microstrip lines, Microstrip transmission lines, Microwave antennas, Monopole antenna, Monopole antennas, MWO, Network functions, Patch antenna, Patch antennas, Periodic bandpass network function, Real frequency technique, Real frequency techniques, Richards domain, Richards frequency, Signal processing, Simplified real frequency technique, Simplified real frequency techniques, Slot antennas, SRFT, Tangent hyperbolic mapping, Theoretical design, Transformed domain, Ultra wideband antennas, Ultra wideband communication, Ultra wideband matching, Ultra-wideband (UWB), UWB applications
Kaynak
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Cilt
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Künye
Köprü, R., Aydın, Ç. & Yarman, B. S. B. (2014). Bandpass network function realization in richards domain and its application to UWB patch antenna matching. Paper presented at the 2014 22nd Signal Processing and Communications Applications Conference (SIU), 714-717. doi:10.1109/SIU.2014.6830329
