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Gabler, Bernd and Lorente Catalan, Diego and van de Coevering, Leopold G.T. (2021) Synthesis of a Phased Array with Planar Near-Field Techniques Based on Far-Field Measurements of a Sub-Array n a CATR. In: 2021 Antenna Measurement Techniques Association Symposium, AMTA 2021. Institute of Electrical and Electronics Engineers (IEEE). Antenna Measurement Techniques Association (AMTA), 2021-10-24 - 2021-10-29, Daytona Beach, FL, USA. doi: 10.23919/AMTA52830.2021.9620679. ISBN 978-1-7362351-1-9. ISSN 2474-2740.
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Official URL: https://ieeexplore.ieee.org/document/9620679
Abstract
Phased array antennas are often built from sub-arrays with identical or symmetrical layout. At an early project stage, performance verification measurements of the sub-array are valuable to proof the single module design. However, the characteristics of the final antenna are questionable without further processing. This work presents a concept that is based on far-field measurements of a sub-array in a Compact Antenna Test Range (CATR) in conjunction with planar near-field (PNF) processing to synthesize the entire phased array antenna characteristics. The procedure is explained with an example of a dual linear polarized L-band planar phased array antenna for an airborne synthetic aperture radar application. It is shown that the measured sub-array can be complemented by the synthesized twin to evaluate the characteristics of a final antenna that is not yet available in this form. The resulting performance of the synthesized entire phased array is presented and compared with simulations. The presented post-processing method would be beneficial to characterizing radiation patterns of large phased arrays by measuring only sub-arrays in a limited test-zone with any measurement principle. URL: https://ieeexplore.ieee.org/stamp/stamp.jsp?tp=&arnumber=9620679&isnumber=9620537
| Item URL in elib: | https://elib.dlr.de/143292/ | ||||||||||||||||
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| Document Type: | Conference or Workshop Item (Speech) | ||||||||||||||||
| Title: | Synthesis of a Phased Array with Planar Near-Field Techniques Based on Far-Field Measurements of a Sub-Array n a CATR | ||||||||||||||||
| Authors: |
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| Date: | 25 October 2021 | ||||||||||||||||
| Journal or Publication Title: | 2021 Antenna Measurement Techniques Association Symposium, AMTA 2021 | ||||||||||||||||
| Refereed publication: | Yes | ||||||||||||||||
| Open Access: | No | ||||||||||||||||
| Gold Open Access: | No | ||||||||||||||||
| In SCOPUS: | No | ||||||||||||||||
| In ISI Web of Science: | No | ||||||||||||||||
| DOI: | 10.23919/AMTA52830.2021.9620679 | ||||||||||||||||
| Editors: |
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| Publisher: | Institute of Electrical and Electronics Engineers (IEEE) | ||||||||||||||||
| Series Name: | Antenna Measurement Techniques Association Symposium (AMTA), 2021 | ||||||||||||||||
| ISSN: | 2474-2740 | ||||||||||||||||
| ISBN: | 978-1-7362351-1-9 | ||||||||||||||||
| Status: | Published | ||||||||||||||||
| Keywords: | Antenna Measurements, Compact Antenna Test Range, CATR, Planar Near-Field, Phased Array, Planar Antennas, Radar antennas | ||||||||||||||||
| Event Title: | Antenna Measurement Techniques Association (AMTA) | ||||||||||||||||
| Event Location: | Daytona Beach, FL, USA | ||||||||||||||||
| Event Type: | international Conference | ||||||||||||||||
| Event Dates: | 2021-10-24 - 2021-10-29 | ||||||||||||||||
| Organizer: | Antenna Measurement Techniques Association, Inc. (AMTA) | ||||||||||||||||
| HGF - Research field: | Aeronautics, Space and Transport | ||||||||||||||||
| HGF - Program: | Space | ||||||||||||||||
| HGF - Program Themes: | Earth Observation | ||||||||||||||||
| DLR - Research area: | Raumfahrt | ||||||||||||||||
| DLR - Program: | R EO - Earth Observation | ||||||||||||||||
| DLR - Research theme (Project): | R - SAR Expert Support Lab | ||||||||||||||||
| Location: | Oberpfaffenhofen | ||||||||||||||||
| Institutes and Institutions: | Microwaves and Radar Institute Microwaves and Radar Institute > SAR Technology | ||||||||||||||||
| Deposited By: | Gabler, Bernd | ||||||||||||||||
| Deposited On: | 13 Sep 2021 08:34 | ||||||||||||||||
| Last Modified: | 20 Nov 2023 10:17 |
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- Synthesis of a Phased Array with Planar Near-Field Techniques Based on Far-Field Measurements of a Sub-Array n a CATR. (deposited 13 Sep 2021 08:34) [Currently Displayed]
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