학술논문

Characterization of an Eight-Element Circular Patch Array for Helical Beam Modes
Document Type
Periodical
Source
IEEE Transactions on Antennas and Propagation IEEE Trans. Antennas Propagat. Antennas and Propagation, IEEE Transactions on. 67(12):7348-7355 Dec, 2019
Subject
Fields, Waves and Electromagnetics
Aerospace
Transportation
Components, Circuits, Devices and Systems
Antenna measurements
Probes
Helical antennas
Antenna arrays
Receiving antennas
Convolution
Antennas
conformal finite-difference time domain (CFDTD)
helical beams (HBs)
near-field measurements
Language
ISSN
0018-926X
1558-2221
Abstract
This paper reports on a new method for characterizing intermodal isolation, power penalty, and reception zone area of helical beam (HB) antennas. As an example, an eight-element circular patch array is fully characterized and its performance is critically assessed. Validation through beam measurements is accompanied with precise electromagnetic modeling using conformal finite-difference time domain computation on a graphics processing unit.