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- W1984212640 abstract "The purpose of this work is to study computationally the possibility of the application of a hybrid active noise control technique for magnetic resonance imaging (MRI) acoustic noise reduction. A hybrid control system combined with both feedforward and feedback loops embedded is proposed for potential application on active MRI noise reduction. A set of computational simulation studies were performed. Sets of MRI acoustic noise emissions measured at the patient's left ear location were recorded and used in the simulation study. By comparing three different control systems, namely, the feedback, the feedforward and the hybrid control, our results revealed that the hybrid control system is the most effective. The hybrid control system achieved approximately a 20-dB reduction at the principal frequency component. We concluded that the proposed hybrid active control scheme could have a potential application for MRI scanner noise reduction." @default.
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- W1984212640 date "2008-04-01" @default.
- W1984212640 modified "2023-10-11" @default.
- W1984212640 title "Simulation study on active noise control for a 4-T MRI scanner" @default.
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- W1984212640 doi "https://doi.org/10.1016/j.mri.2007.08.003" @default.
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