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. 2010 Aug 5;9:37. doi: 10.1186/1475-925X-9-37

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Copyright ©2010 Neto et al; licensee BioMed Central Ltd.

This is an Open Access article distributed under the terms of the Creative Commons Attribution License (http://creativecommons.org/licenses/by/2.0), which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.

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Signal processing architecture for user's intent component separation. F_ijis the force signal obtained from axis (j), sensor (i). $F_{{(ι f)}_{i j}}$ denotes the force signal obtained after the high frequency noise cancelation and $F_{{(c a d)}_{i j}}$ is the periodical, cadence-dependent component of force. Finally, $F_{{(f i l t)}_{i j}}$ is the processed final signal related to user's navigation intent.