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Adaptive beamforming for quadrupole resonance
Uppsala University, Disciplinary Domain of Science and Technology, Mathematics and Computer Science, Department of Information Technology, Automatic control.
2007 (English)In: Digital signal processing (Print), ISSN 1051-2004, E-ISSN 1095-4333, Vol. 17, no 3, 634-651 p.Article in journal (Refereed) Published
Abstract [en]

We present several adaptive beamforming approaches to improve the quadrupole resonance (QR) signal detection performance via exploiting both the spatial and temporal correlation of radio frequency interferences (RFIs). We operate in the framework of signal amplitude estimation with known signal waveform and make use of three adaptive beamforming approaches, viz., the standard Capon beamformer (SCB), the robust Capon beamformer (RCB), and the amplitude and phase estimation (APES) algorithm, to develop several new approaches for mitigating the spatially and temporally correlated RFIs. Simulated and experimental results are provided to demonstrate the effectiveness of the proposed approaches.

Place, publisher, year, edition, pages
2007. Vol. 17, no 3, 634-651 p.
Keyword [en]
Adaptive beamforming, Standard Capon beamformer (SCB), Robust Capon beamformer (RCB), Amplitude and phase estimation (APES), Constant false alarm rate (CFAR), Landmine detection, Quadrupole resonance (QR)
National Category
Computer and Information Science
URN: urn:nbn:se:uu:diva-13456DOI: 10.1016/j.dsp.2005.11.007ISI: 000246607900006OAI: oai:DiVA.org:uu-13456DiVA: diva2:41226
Available from: 2008-01-23 Created: 2008-01-23 Last updated: 2011-02-01Bibliographically approved

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Stoica, Peter
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