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Rodríguez Varela, Fernando and Sierra Castañer, Manuel and Galocha Iragüen, Belén (2018). Multi-level spherical wave expansion for fast near-field to far-field transformation. In: "40th Annual Meeting and Symposium of the Antenna Measurement Techniques Association, AMTA 2018", 04/11/2018 - 09/11/2018, Williamsburg, VA, USA. pp. 1-6.
Title: | Multi-level spherical wave expansion for fast near-field to far-field transformation |
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Author/s: |
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Item Type: | Presentation at Congress or Conference (Article) |
Event Title: | 40th Annual Meeting and Symposium of the Antenna Measurement Techniques Association, AMTA 2018 |
Event Dates: | 04/11/2018 - 09/11/2018 |
Event Location: | Williamsburg, VA, USA |
Title of Book: | Proceedings of 40th Annual Meeting and Symposium of the Antenna Measurement Techniques Association, AMTA 2018 |
Date: | 2018 |
Subjects: | |
Faculty: | E.T.S.I. Telecomunicación (UPM) |
Department: | Señales, Sistemas y Radiocomunicaciones |
Creative Commons Licenses: | Recognition - No derivative works - Non commercial |
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Traditional near-field to far-field transformation algorithms based on modal expansion are unable to deal with arbitrary measurement surfaces. To approach these problems, a matrix inversion method can be used to retrieve the spherical wave expansion (SWE) of the antenna under test (AUT) fields. Modeling the antenna with a set of multiple SWEs centered at arbitrary points over its surface offers a flexible approach for the solution of field transformation problems over arbitrary surfaces. The coefficients of each SWE are obtained using an iterative inversion approach where the matrix-vector products can be replaced by multilevel operators based on recursive aggregations and interpolations of the partial SWE fields, reducing the computational complexity from ?(?) to ? ? ? . The proposed algorithm is tested using synthetic data and measurements showing good scalability and reduced transformation error.
Type | Code | Acronym | Leader | Title |
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Government of Spain | TEC2014-55735-C3-1-R | ENABLING-5G | Unspecified | Unspecified |
Government of Spain | TEC2017-85529-C3-1-R | FUTURE-RADIO | Unspecified | Sistemas y Tecnología Radio para Comunicaciones Terrestres y Espaciales de Gran Capacidad en un Futuro Hiperconectado |
Madrid Regional Government | S2013/ICE-3000 | SPADERADAR-CM | Unspecified | Space debris radar/ radar para detección de basura espacial |
Item ID: | 55282 |
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DC Identifier: | http://oa.upm.es/55282/ |
OAI Identifier: | oai:oa.upm.es:55282 |
Official URL: | https://amta2018.org/ |
Deposited by: | Memoria Investigacion |
Deposited on: | 16 Sep 2019 16:48 |
Last Modified: | 16 Sep 2019 16:48 |