High order noncircularity restoral diagonal loading robust adaptive beamforming: HNRDL
High order noncircularity restoral diagonal loading robust adaptive beamforming: HNRDL
- Author(s): Yougen Xu ; Bingjie Yin ; Jingyan Ma ; Zhiwen Liu
- DOI: 10.1049/cp.2015.1291
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- Author(s): Yougen Xu ; Bingjie Yin ; Jingyan Ma ; Zhiwen Liu Source: IET International Radar Conference 2015, 2015 page ()
- Conference: IET International Radar Conference 2015
- DOI: 10.1049/cp.2015.1291
- ISBN: 978-1-78561-038-7
- Location: Hangzhou, China
- Conference date: 14-16 Oct. 2015
- Format: PDF
A robust adaptive beamformer utilizing noncircularity restoral of the signal-of-interest (SOI) is proposed. In contrast to the existing second-order noncircularity restoral schemes, this new robust beamformer, called HNRDL, is applicable to the case of higher than second-order noncircular SOI, such as QPSK signal and QAM signal. Unlike the popular uncertainty-set schemes, the diagonal loading level in HNRDL can be determined adaptively which involves no user-parameters. Simulation results are included to illustrate the robust filtering performance of the proposed HNRDL beamformer.
Inspec keywords: array signal processing
Subjects: Signal processing and detection; Signal processing theory
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