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【求助】求问NMR原理的一道题
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NMR原理方面，用带有时间间隔的电磁波脉冲打在处于外加磁场的样品上，然后问题如下： Precession of magnetization is often recorded(observed) at uniform time intervals, i.e., with equal time steps between the observations. What the lowest and the highest detectable frequencies with respect to the time step chosen for the observations? 求助啊，这是上次老卷子的一道题，马上要考试了，还是不明白 |
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