Title
Array aperture extrapolation using sparse reconstruction
Author
Anitori, L.
van Rossum, W.L.
Huizing, A.G.
Publication year
2015
Abstract
In this paper we present some preliminary results on antenna array extrapolation for Direction Of Arrival (DOA) estimation using Sparse Reconstruction (SR). The objective of this study is to establish wether it is possible to achieve with an array of a given physical length the performance (in terms of accuracy, resolution and sidelobe level) of an equivalent larger array by using SR. The difference between our work and previous publications on DOA estimation using SR lies in the fact that we do not use SR as a beamformer, but instead we use the sparse solution for aperture extrapolation. We adopt an approach similar to the one of Swingler and Walker in [1], where the extrapolated sensor data are first tapered and then beamformed to suppress sidelobes of strong interfering targets, resulting in improved detection of weak targets. © 2015 IEEE.
Subject
Observation, Weapon & Protection Systems
RT - Radar Technology
TS - Technical Sciences
Radar
Antenna arrays
Extrapolation
Radar
Beam formers
Direction of arrivalestimation(DOA)
DOA estimation
Interfering targets
Physical length
Sidelobe levels
Sparse reconstruction
Sparse solutions
Direction of arrival
To reference this document use:
http://resolver.tudelft.nl/uuid:6b294bef-82b1-4f8b-8c13-d2030b0b9e16
DOI
https://doi.org/10.1109/radar.2015.7131002
TNO identifier
527759
Publisher
Institute of Electrical and Electronics Engineers Inc.
ISSN
1097-5659
Source
IEEE National Radar Conference - Proceedings, 2015-June (June), 237-242
Article number
7131002
Document type
conference paper