Method of determining the spatial field distribution

Details Method of determining the spatial field distribution Method of determining the spatial field distribution

1995-11-07

1997-07-01

O'Shea, Sandra L.

Electricity: measuring and testing

Magnetic

Magnetometers

324244, 1286531, 36457102, G01R 33022, A61B 504

Patent

active

056442297

ABSTRACT:
The invention relates to a method of determining the spatial field distribution and/or the spatial position of a useful field source, producing said field distribution, by means of a multichannel field measuring device which comprises a plurality of spatially distributed sensors which produce measured values which contain on the one hand useful measured values stemming from the useful field source and on the other hand noise measured values stemming from at least one noise field source, correction values being formed and superposed on the measured values so that compensated measured values are obtained which are compared with similarly compensated, mathematically derived reference values which are produced by a fictitious reference field source by means of the field sensors, the reference field source being determined for which the pattern of compensated reference values corresponds best to the pattern of compensated measured values.

REFERENCES:
patent: 4974602 (1990-12-01), Abraham-fuchs et al.
patent: 5136242 (1992-08-01), Abraham-fuchs
patent: 5417211 (1995-05-01), Abraham-fuchs et al.

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