Optical Magnetometer Employing Adaptive Noise Cancellation for Unshielded Magnetocardiography | Zendy

Valentina Tiporlini | Zendy; Kamal Alameh | Zendy

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Optical Magnetometer Employing Adaptive Noise Cancellation for Unshielded Magnetocardiography

Author(s) -

Valentina Tiporlini,

Kamal Alameh

Publication year - 2013

Publication title -

universal journal of biomedical engineering

Language(s) - English

Resource type - Journals

eISSN - 2333-2662

pISSN - 2333-2654

DOI - 10.13189/ujbe.2013.010104

Subject(s) - magnetocardiography , magnetometer , active noise control , noise (video) , acoustics , physics , computer science , electronic engineering , noise reduction , engineering , magnetic field , artificial intelligence , quantum mechanics , image (mathematics)

This paper demonstrates the concept of an optical magnetometer for magnetocardiography. The magnetometer employs a standard Least-Mean-Squares (LMS) algorithm for heart magnetic field measurement within unshielded environment. Experimental results show that the algorithm can extract a weak heart signal from a much-stronger magnetic noise and detect the P, QRS, and T heart features and completely suppress the common power line noise component at 50 Hz.

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