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In order to improve the precision and anti-interference ability of traditional proton magnetometer, and provide reference basis for developing Overhauser magnetometer, a high precision proton magnetometer based on a multi-channel frequency measurement was designed. This paper introduces the basic principle of larmor precession effect, makes a detailed description about the signal disposal system and...
The accuracy of measuring a magnetic field using a proton magnetometer depends on the accuracy of frequency measurement of the free induction decay (FID) signal generated by the proton magnetometer. Increasing the accuracy of frequency measurement could increase the accuracy of measuring magnetic fields. In this paper, we propose a multichannel frequency measurement to improve the accuracy after analyzing...
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