A triaxial AC magnetic field analyzer/dosimeter instrument measures the field strength of three mutually orthogonal AC magnetic field components at a plurality of different frequencies in a frequency range of interest and stores corresponding data which may be processed to indicate the field strength...http://www.google.fr/patents/US5418460?utm_source=gb-gplus-shareBrevet US5418460 - Compact triaxial AC magnetic field analyzer/dosimeter using swept bandpass filters
Compact triaxial AC magnetic field analyzer/dosimeter using swept bandpass ...
