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Antenna In-Situ Performance Analysis for the Hypersonic Flight Vehicle HEXAFLY Employing Measurement Data in a Simulation Model

Möhring, Björn and Gabler, Bernd and Limbach, Markus (2020) Antenna In-Situ Performance Analysis for the Hypersonic Flight Vehicle HEXAFLY Employing Measurement Data in a Simulation Model. IEEE Antennas and Propagation Magazine. IEEE - Institute of Electrical and Electronics Engineers. DOI: 10.1109/MAP.2020.3003226 ISBN Print ISSN: 1045-9243; Electronic ISSN: 1558-4143 ISSN 1045-9243

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Official URL: https://ieeexplore.ieee.org/document/9162139

Abstract

An antenna in-situ performance analysis for the hypersonic flight vehicle HEXAFLY is presented. Two simulation tools and a Compact Antenna Test Range (CATR) measurement facility are employed to obtain the embedded radiation characteristics of two different antenna systems. In a first step, both antenna types are simulated and measured without the impact of the flight vehicle, but in an environment supporting correct functioning, e.g. on a finite conducting ground plane or on top of a vertical conducting stabilizer. A finite element method (FEM) solver is used for this detailed full-wave analysis of antenna structures with fine geometrical and material details. Next, the FEM solver and a method of moments (MoM) solver with multilevel fast multipole algorithm (MLFMA) acceleration are used to obtain the in-situ radiation characteristic of both antennas mounted on the flight vehicle. The FEM solver is now utilized to simulate the complete setup, whereas the MoM solver works with an equivalent radiation source, which is obtained from CATR measurements of isolated antennas. The results confirm the effectiveness of the measurement data based twostep-approach, which helps to overcome the limitations of pure simulations that are often not feasible for off-the-shelf antennas, and allows the overall validation process to be viewed with added confidence.

Item URL in elib:https://elib.dlr.de/134844/
Document Type:Article
Additional Information:IEEE Antennas & Propagation Magazine Early Access
Title:Antenna In-Situ Performance Analysis for the Hypersonic Flight Vehicle HEXAFLY Employing Measurement Data in a Simulation Model
Authors:
AuthorsInstitution or Email of AuthorsAuthor's ORCID iD
Möhring, Björnb.moehring (at) tum.dehttps://orcid.org/0000-0001-7691-2012
Gabler, BerndBernd.Gabler (at) dlr.dehttps://orcid.org/0000-0003-1477-1829
Limbach, MarkusMarkus.Limbach (at) dlr.dehttps://orcid.org/0000-0003-3686-5535
Date:2020
Journal or Publication Title:IEEE Antennas and Propagation Magazine
Refereed publication:Yes
Open Access:No
Gold Open Access:No
In SCOPUS:Yes
In ISI Web of Science:Yes
DOI :10.1109/MAP.2020.3003226
Editors:
EditorsEmailEditor's ORCID iD
UNSPECIFIEDInstitute of Electrical and Electronics Engineers (IEEE)UNSPECIFIED
Publisher:IEEE - Institute of Electrical and Electronics Engineers
Series Name:IEEE Antennas and Propagation Magazine
ISSN:1045-9243
ISBN:Print ISSN: 1045-9243; Electronic ISSN: 1558-4143
Status:Published
Keywords:Antenna Measurement, Antenna Simulation, Compact Antenna Test Range (CATR), Finite Element Method (FEM), Method of Moments (MoM), Spherical Wave Expansion (SWE)
HGF - Research field:Aeronautics, Space and Transport
HGF - Program:Space
HGF - Program Themes:Earth Observation
DLR - Research area:Raumfahrt
DLR - Program:R EO - Erdbeobachtung
DLR - Research theme (Project):R - Vorhaben SAR-Expert-Support-Lab
Location: Oberpfaffenhofen
Institutes and Institutions:Microwaves and Radar Institute > SAR Technology
Deposited By: Gabler, Bernd
Deposited On:25 May 2020 09:02
Last Modified:17 Aug 2020 08:06

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