Noise coherence in closely-spaced electrodes: the implications for spatial averaged EGG recordings

Turner, N, Wang, W, English, M J and Vincent, R (1995) Noise coherence in closely-spaced electrodes: the implications for spatial averaged EGG recordings. Journal of Medical Engineering and Technology, 19 (5). pp. 158-161. ISSN 0309-1902

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Abstract

Ensemble signal averaging is conventionally used to reduce the noise content o/ECG recordings. One shortcoming of this technique is that it removes the possibility of registering transient signals. As a consequence the simultaneous averaging of spatially related leads has been used. This relies on the recording electrodes receiving correlated signal components for reinforcement together with uncorrelated noise. We have developed a methodology for studying EMG noise reduction by spatial averaging and present results for different electrode spacings which suggest minimum separations for noise rejection.

Item Type: Article
Schools and Departments: School of Engineering and Informatics > Engineering and Design
Depositing User: William Wang
Date Deposited: 06 Feb 2012 19:38
Last Modified: 09 Jul 2012 11:20
URI: http://sro.sussex.ac.uk/id/eprint/21643
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