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Development of a Low-Cost 3-Axis Fluxgate Magnetometer for Magnetic Measurements

This project explores the design of a compact, low-cost 3-axis fluxgate magnetometer at the Czech Technical University's Department of Measurement. It involves the generation of excitation waveforms and synchronization signals (using DAC and DDS) and examines the effects of phase noise in synchronization signals during synchronous detection. It also compares the (dis)advantages of digital synchronous detection and sampling techniques for measuring magnetic material properties. Ongoing projects include the MIMOSA satellite magnetometer and a navigational tool for drilling applications.

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Development of a Low-Cost 3-Axis Fluxgate Magnetometer for Magnetic Measurements

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  1. MICHAL JANOŠEK Czech Technical University Graduate student Dept. of Measurement Laboratory of Magnetic measurements MAGLAB • compact low-cost fluxgate 3 axis-magnetometer • excitation of fluxgates: generation of excitation waveforms and synchronisation signals (DAC, DDS..) - • effects of phase noise in sync. signal while using synchronous detection • (dis)advantages of digital synchronous detection • sampling techniques of measurement of magnetic materials properties

  2. Czech Technical University, Dept. of Measurement http://measure.feld.cvut.cz/groups/maglab • Some recently finished projects at our laboratory: • MIMOSA satellite magnetometer • DIMADS magnetometer - bomb locator • patented „racetrack“ fluxgate sensor • Current projects : • Fluxgate magnetometer using gated integrator • Navigational tool for drilling (using above) • Sinewave current excitation unit for fluxgates

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