𝔖 Bobbio Scriptorium
✦   LIBER   ✦

A new approach to the design of a dual-band IFA with a metamaterial unit cell

✍ Scribed by Sangwon Kim; Hak Keun Choi; Jae Ick Choi; Jae Hyun Park

Publisher
John Wiley and Sons
Year
2011
Tongue
English
Weight
974 KB
Volume
54
Category
Article
ISSN
0895-2477

No coin nor oath required. For personal study only.

✦ Synopsis

Abstract

This article proposes a new approach to obtaining a dual‐band inverted‐F antenna (IFA) with a novel metamaterial unit cell providing a negative index of refraction. The dual‐resonance characteristic of the proposed IFA can be achieved because of the stop‐band property of the metamaterial unit cell. The novel metamaterial unit cell of the proposed antenna has a positive refractive index (PRI), a negative refractive index (NRI), and the stop‐band property between PRI and NRI. In addition, to control the resonant frequency of the proposed antenna, a capacitor is loaded in the metamaterial unit cell. To prove the validity of the proposed antenna, the properties of a homogeneous frequency‐dependent (HFD) material, which can be represented in the HFSS software, are used. The metamaterial is replaced by the HFD material to confirm the effective constitutive parameters of the metamaterial unit cell. It is confirmed that the results using the metamaterial and the HFD material are similar. To prove the validity of the proposed design approach, a good agreement between experimental results and theoretical predictions is demonstrated, meaning that the approach is usable for practical applications. © 2011 Wiley Periodicals, Inc. Microwave Opt Technol Lett, 54:545–549, 2012; View this article online at wileyonlinelibrary.com. DOI 10.1002/mop.26554

📜 SIMILAR VOLUMES

Design of a new dual-band microstrip ban
Design of a new dual-band microstrip bandpass filter with multiple transmission zeros
✍ Lin Li; Zheng-Fan Li 📂 Article 📅 2008 🏛 John Wiley and Sons 🌐 English ⚖ 186 KB

## Abstract A novel dual‐band microstrip bandpass filter with multiple transmission zeros has been proposed in this article. Dual‐band resonators composed of one shunt short‐circuited stub and one shunt open‐circuited stub are connected by dual‐band admittance inverters (J‐inverters) to create dual

A new approach to the design of coupling
A new approach to the design of coupling networks
✍ E. Zeheb; P. Landau 📂 Article 📅 1984 🏛 Elsevier Science 🌐 English ⚖ 757 KB

Mathematical results are derived, which enable one tojnd a vector of parameters k" such that (PI@, k")c H) n (P2(ko) = 0), where P,(s, k) is a polynomial in s and in the components of k, P, (k) is a polynomial in the components of k, and H is the set of Hurwitz polynomials. The algorithm is based o

A new approach to the design of a fuzzy
A new approach to the design of a fuzzy sliding mode controller
✍ Chi-Ying Liang; Juhng-Perng Su 📂 Article 📅 2003 🏛 Elsevier Science 🌐 English ⚖ 344 KB

By deÿning a new generalized error transformation as a complement to the conventional sliding variable, we derived a novel stable sliding mode control scheme on which the design of a new two-input, one-output fuzzy sliding mode controller is based. A signiÿcant advantage of this control scheme is it

A new approach to the design of internal
A new approach to the design of internal fixation plates
✍ Woo, Savio L-Y. ;Simon, Bruce R. ;Akeson, Wayne H. ;Gomez, Mark A. ;Seguchi, Yas 📂 Article 📅 1983 🏛 John Wiley and Sons 🌐 English ⚖ 749 KB

Mathematical analysis by finite element modeling methods was used in conjunction with laboratory bench experiments in selecting appropriate stiffness parameters for internal fixation plate designs. Bench experiments performed included tests of an idealized plated magnesium tube and of a plated canin