Radiation pattern of patch and array-HIS antennas obtained with HFSS

Citation Author(s):
Alicia
Florez Berdasco
Department of Electrical Engineering, University of Oviedo
Jaime
Laviada
Department of Electrical Engineering, University of Oviedo
Maria Elena
de Cos Gomez
Department of Electrical Engineering, University of Oviedo
Fernando
Las-Heras
Department of Electrical Engineering, University of Oviedo
Submitted by:
Alicia Florez B...
Last updated:
Tue, 01/23/2024 - 09:28
DOI:
10.21227/hfsv-dv39
Data Format:
*.csv
License:
Creative Commons Attribution
474 Views
Categories:
Remote Sensing
Keywords:
antenna pattern, Electromagnetic imaging
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Abstract 

The effect of phase changes along the antenna radiation pattern beamwidth and bandwidth on synthetic aperture radar (SAR) imaging is evaluated by means of electromagnetic simulations. Electromagnetic images have been obtained in order to characterize the effect of the non-uniform phase of the antenna radiation pattern on this type of measurements. Three different situations have been analyzed: i) phase variations across the angular range, ii) nonlinear phase shift across the working frequency band and iii) antenna phase center shift across the bandwidth. Far-field radiation pattern of the patch and the array-HIS antenna used in this study (obtained with Ansys HFSS high-frequency 3D simulation software) are provided.

Funding Agency: 
Ministerio de Ciencia e Innovación of Spain
Grant Number: 
PID2021-122697OBI00

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