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Resonant Antennas Based on Coupled Transmission-Line Metamaterials
Antenna radiation patterns metamaterials microstrip antennas patch antennas propagation constant
2014/12/8
A novel microstrip patch antenna topology is presented for achieving a dual-band response with arbitrarily closely spaced resonances. This topology is based on a coupled transmission line structure in...
THE RADIATION QUALITY FACTOR OF VERTICALLY POLARIZED SPHERICAL ANTENNAS ABOVE A CONDUCTING GROUND PLANE
Antennas
2014/12/8
The radiation quality factor of small vertically polarized antennas above a ground plane is investigated. Although the quality factor of small antennas in free space has been investigated extensively ...
Impedance Measurement of Small Antennas Over a Ground Plane Without Direct Cable Attachment
Antenna impedance measurement small antennas
2014/12/8
An indirect impedance measurement approach that does not require direct cable attachment or large space using a two-port network is presented. Using a straight wire monopole as an interrogating antenn...
A Summary of Recent Developments on Metamaterial-based and Metamaterial-inspired Efficient Electrically Small Antennas
Metamaterial-based Metamaterial-inspired Electrically Small Antennas
2009/7/28
This paper summarizes our recent research efforts to realize efficient electrically small antenna (EESA) systems based on ideal analytical and numerical metamaterial-based antenna systems, and physica...
Artificial Neural Design of Microstrip Antennas
Microstrip antennas artificial neural networks reverse modeling
2009/7/28
A general design procedure is suggested for microstrip antennas using artificial neural networks and this is demonstrated using rectangular patch geometry. In this design procedure, synthesis is defin...
This paper will describe the topology of wireless micro-systems networks and some of their key components. In particular we will deal with the antennas: loops, helices, F-antennas, patches and dielect...
Broadband Wireless Access With Optically Controlled Phased Array Antennas
Broadband Wireless Access Phased Array Antennas
2000/4/15
The rapid extension of communication requires systems having higher transmission capacity and lower infrastructure cost than is currently the case. For terrestrial communication, a very promising way ...
Vector Kirchhoff Analysis for The Study of Rectangular Microstrip Antennas Immersed in a Plasma
Vector Kirchhoff Analysis Rectangular Microstrip Antennas a Plasma
1994/5/11
The radiation properties of a microstrip antenna immersed in an ionized medium have since been studied using potential function technique and linearized hydrodynamic theory. In the present paper, Vect...