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. 2016 Nov 30;16(12):2025. doi: 10.3390/s16122025

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© 2016 by the authors; licensee MDPI, Basel, Switzerland.

This article is an open access article distributed under the terms and conditions of the Creative Commons Attribution (CC-BY) license (http://creativecommons.org/licenses/by/4.0/).

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Comparison of results using the FIR filter and the proposed method. (a) The original waveforms obtained after clutter suppression; (b) respiration waveforms obtained via the FIR band-pass filter; (c) respiration waveforms obtained via the proposed method; (d) heartbeat waveforms obtained via the FIR band-pass filter; (e) heartbeat waveforms obtained via the proposed method.

Comparison of results using the FIR filter and the proposed method. (a) The original waveforms obtained after clutter suppression; (b) respiration waveforms obtained via the FIR band-pass filter; (c) respiration waveforms obtained via the proposed method; (d) heartbeat waveforms obtained via the FIR band-pass filter; (e) heartbeat waveforms obtained via the proposed method.