Magnétomètres : tous les sites
An educational project, constructed using easily obtained electronic parts. A frequency counter is used to measure the post-polarizing pulse proton precession frequency. The measured frequency is related, by a physical constant, to the magnitude of the local geomagnetic field.
http://www.exstrom.com/magnum.html
Site ajouté le 1 janvier 2006, 479 visites
Notes d'applications sur des capteurs de champ magnétique très sensibles (Magnetic Field Nulling System/Gauss Meter, Vehicle Detector, Self Calibrating Compass, Single Axis Earth Field Magnetometer, Gradiometer Application Note).
http://www.fatquarterssoftware.com/appnotes.aspx
Site ajouté le 1 janvier 2006, 269 visites