Abstract
Nuclear quadrupole resonance is a solid-state spectroscopy technique that enables highly specific detection and non-invasive measurement. Its disadvantages, like very low signal-to-noise ratio and susceptibility to radio frequency interferences, are generally compensated by signal pre-processing techniques. This work studies the improvement in data acquisition given by the signal pre-processing techniques used in nuclear quadrupole resonance spectroscopy. Specifically, this paper evaluates and discusses the signal-to-noise ratio enhancement due to signal averaging and quadrature detection on a custom-designed spectrometer.
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