Applying least square based technique to proton magnetometer

Abstract

A proton magnetometer has been designed using a microcontroller. Microcontroller is used to implement a least square based signal processing technique to estimate the precession frequency of proton precessions. The dependence of accuracy on the signal to noise ratio and decay of the signal is discussed. The processing technique used to estimate the frequency is discussed. Results are compared with data from other standard magnetometers. Results show a considerable amount of increase in the measurement accuracy compared to conventional methods.