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Multimodal Human Spacecraft Interaction in Remote Environments Read chapter Read first chapter

2010 | OriginalPaper | Chapter

27. A Wideband DOA Estimation Method Based on Arbitrary Group Delay

Authors : Xinggan Zhang, Yechao Bai, Wei Zhang

Published in: Machine Learning and Systems Engineering

Publisher: Springer Netherlands

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Abstract

Direction-of-arrival (DOA) estimation is an important algorithm in array processing. Most traditional DOA estimation methods focus on narrow-band sources. A new wideband DOA estimation approach based on arbitrary group delay is proposed in this paper. In the proposed algorithm, echo gain at each direction is calculated based on digital group delay compensation. Digital group delay can realize time delay precisely, and has no restriction on delay step. The proposed method is able to operate arbitrary waveform and is suitable for linear frequency modulation signals, nonlinear frequency modulation signals, and even carrier free signals. Simulations with Gaussian function are carried out to show the effectiveness of the proposed algorithm.

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Metadata
Title
A Wideband DOA Estimation Method Based on Arbitrary Group Delay
Authors
Xinggan Zhang
Yechao Bai
Wei Zhang
Copyright Year
2010
Publisher
Springer Netherlands
Book
Machine Learning and Systems Engineering

Print ISBN: 978-90-481-9418-6

Electronic ISBN: 978-90-481-9419-3

Copyright Year: 2010

DOI
https://doi.org/10.1007/978-90-481-9419-3_27

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