Mathematical model of a fluxgate magnetometerīaranov Pavel F. The instrument is a single-range, triaxial- fluxgate magnetometer capable of measuring fields of up to 1 mT along each orthogonal axis, with a maximum resolution of 1 microT. This magnetometer was designed to complement the low-field measurements provided by a helium vector magnetometer and utilizes magnetic ring core sensors with biaxial orthogonal sense coils. This extremely simple instrument was used to extend the spacecraft's upper-limit measurement capability by approximately an order of magnitude (from 0.14 mT to 1.00 mT) with minimum power and volume requirements. The high field fluxgate magnetometer experiment flown aboard the Pioneer XI spacecraft is described. The Pioneer XI high field fluxgate magnetometer The comparison is realized on the modular magnetometer. the application of the A-E modulation to the sensor feedback loop theoretically derives the main advantage of this method-increasing of the modulation order and shows its real potential compared to the analog magnetometer with consequential digitalization. The relevant part of the paper demonstrates some pitfalls of their application studied during the design of the magnetometer for the new Czech scientific satellite MIMOSA. the Delta-Sigma ADCs are mostly used for the digitalization of the highly precise fluxgate magnetorneters. This paper describes the theory behind all three known ways of digitalizing the fluxgate magnetometers: analogue magnetometers with digitalized output using high resolution ADC, application of the delta-sigma modulation to the sensor feedback loop and fully digital signal detection. The instrument is designed to measure the medium-Earth orbit geomagnetic field with precision of 0.1ĭigitalization of highly precise fluxgate magnetometers PROJECT.axis fluxgate magnetometer for the AFRL-mission. Fluxgate Magnetometer (VMAG) Development for DSX 5b. Vector Fluxgate Magnetometer (VMAG) Development for DSXĪFRL-RV-HA-TR-2010-1056 Vector Fluxgate Magnetometer (VMAG) Development for DSX Mark B.
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