Array interpolation based on multivariate adaptive regression splines

Marinho, Marco A. M. (author): University of Brasília (UnB), Brasília, Brazil & German Aerospace Center (DLR), Cologne, Germany

da Costa, João Paulo C. L. (author): University of Brasília (UnB), Brasília, Brazil; llmenau University of Technology, Ilmenau, Germany & Fraunhofer Institute for Integrated Circuits IIS, Erlangen, Germany

de Almeida, André L. F. (author): Federal University of Ceará (UFC), Fortaleza, Brazil

Del Galdo, Giovanni (author): llmenau University of Technology, Ilmenau, Germany & Fraunhofer Institute for Integrated Circuits IIS, Erlangen, Germany

de Freitas, Edison Pignaton, 1979- (author): University of Brasília (UnB), Brasília, Brazil & Informatics Institute, Federal University of Rio Grande do Sul (UFRGS), Porto Alegre, Brazil

Vinel, Alexey, 1983- (author): Högskolan i Halmstad,Centrum för forskning om inbyggda system (CERES)

(creator_code:org_t)

Piscataway, NJ : Institute of Electrical and Electronics Engineers (IEEE), 2016
2016
English.
In: 2016 IEEE Sensor Array and Multichannel Signal Processing Workshop (SAM). - Piscataway, NJ : Institute of Electrical and Electronics Engineers (IEEE).

Related links:: https://urn.kb.se/re...; show more...; https://doi.org/10.1...; show less...

Abstract Subject headings

Many important signal processing techniques such as Spatial Smoothing, Forward Backward Averaging and Root-MUSIC, rely on antenna arrays with specific and precise structures. Arrays with such ideal structures, such as a centro-hermitian structure, are often hard to build in practice. Array interpolation is used to enable the usage of these techniques with imperfect (not having a centro-hermitian structure) arrays. Most interpolation methods rely on methods based on least squares (LS) to map the output of a perfect virtual array based on the real array. In this work, the usage of Multivariate Adaptive Regression Splines (MARS) is proposed instead of the traditional LS to interpolate arrays with responses largely different from the ideal.

By the author/editor: Marinho, Marco A ...; da Costa, João P ...; Antreich, Felix; de Almeida, Andr ...; Del Galdo, Giova ...; de Freitas, Edis ...; show more...; Vinel, Alexey, 1 ...; show less...

About the subject

ENGINEERING AND TECHNOLOGY: ENGINEERING AND ...; and Electrical Engin ...; and Communication Sy ...

ENGINEERING AND TECHNOLOGY: ENGINEERING AND ...; and Electrical Engin ...; and Signal Processin ...

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