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. 2014 Dec 17;13:170. doi: 10.1186/1475-925X-13-170

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© Park and Lee; licensee BioMed Central. 2014

This article is published under license to BioMed Central Ltd. This is an Open Access article distributed under the terms of the Creative Commons Attribution License (http://creativecommons.org/licenses/by/4.0), which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly credited. The Creative Commons Public Domain Dedication waiver (http://creativecommons.org/publicdomain/zero/1.0/) applies to the data made available in this article, unless otherwise stated.

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Frequency response for the inverse of all-pole filter part of the IIR lattice notch filter. Vertical axis unit of left-side is dB and that of right-side is absolute value.