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Sensor noise in low-level flux-gate magnetometers

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1 Author(s)
D. Scouten ; Iowa State University, Ames, Iowa

The noise mechanism in a well-designed magnetometer is shown to be due to small-scale magnetic moments which are probably small volumes of the core material that are not oriented by the drive field. Design developments include the sense coil radius and the development of a drive waveform which yields considerably improved performance over the commonly used sine wave drive.

Published in:

IEEE Transactions on Magnetics  (Volume:8 ,  Issue: 2 )