Localizing two acoustic emission sources simultaneously using beamforming and singular value decomposition
Sign Up to like & getrecommendations! Published in 2018 at "Ultrasonics"
DOI: 10.1016/j.ultras.2017.10.019
Abstract: HighlightsThe weak AE source is easy to be lost when only the beamforming method is used to localize simultaneous double AE sources.A SVD‐beamforming method is proposed to localize double AE sources with significant different energy.A… read more here.
Keywords: beamforming singular; beamforming method; acoustic emission; emission sources ... See more keywords
A New Approach to User Scheduling in Massive Multi-User MIMO Broadcast Channels
Sign Up to like & getrecommendations! Published in 2018 at "IEEE Transactions on Communications"
DOI: 10.1109/tcomm.2017.2786670
Abstract: In this paper, a new two-phase-feedback-based user-scheduling-and-beamforming method is proposed for multi-user multiple-input multiple-output downlink in the context of two-stage beamforming. The key ideas of the proposed method are: 1) to use a set of… read more here.
Keywords: user; beamforming method; scheduling beamforming; multi user ... See more keywords
Beamforming Method for Extracting the Broadband Noise Sources of Counter-Rotating Open Rotors
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DOI: 10.2514/1.j058934
Abstract: Counter-rotating open rotors (CRORs) are known to have advantageous propulsive efficiency properties but, at the same time, many noise emission issues related to this technology still need to be in... read more here.
Keywords: beamforming method; method extracting; extracting broadband; open rotors ... See more keywords
A Fast Beamforming Method to Localize an Acoustic Emission Source under Unknown Wave Speed
Sign Up to like & getrecommendations! Published in 2019 at "Materials"
DOI: 10.3390/ma12050735
Abstract: The beamforming method is capable of localizing the acoustic emission source in a large-scale structure but its accuracy relies strongly on the assumed propagation speed and it is quite time consuming to apply in online… read more here.
Keywords: wave speed; beamforming method; acoustic emission; method ... See more keywords