The influence of the oscillation frequency of the nuclear magnetic resonance oscillator on the amplitude, frequency and parameter measurement of the resonance signal is discussed. According to the measurement data, the law of the influence of the oscillation amplitude on the resonance signal of some common samples is obtained through drawing, analysis and calculation, and the best oscillation amplitude range of some samples is given. The results of this study have a good guiding significance for the observation, analysis and measurement of nuclear magnetic resonance.
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