Noise cancellation method in a biomagnetic measurement system us

Details Noise cancellation method in a biomagnetic measurement system us Noise cancellation method in a biomagnetic measurement system us

1992-03-13

1993-02-16

Snow, Walter E.

Electricity: measuring and testing

Magnetic

Magnetometers

324225, G01R 3302, G01N 2772

Patent

active

051874369

ABSTRACT:
A system and method for noiseless measurement of a biomagnetic field uses magnetic field magnitude and gradient measurement at a reference point together with mathematical extrapolation techniques to provide an effectively infinite order gradiometer response from a lower order physical gradiometer. Such a system has the advantages of potentially lower cost, higher accuracy, and easier adjustment and balancing.

REFERENCES:
patent: 4386318 (1983-05-01), Burbank et al.

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