Method and device for measuring inhomogeneous magnetic field, method and device for phase calibration, and magnetic resonance image apparatus.
磁场非均匀性测量方法和设备，相位校正方法和设备，以及磁共振成像设备。
It can be seen from the formula: for a certain Hall device, the magnetic field B0 can be indirectly measured through measuring the Hall device if only the passing current I is constant.
从公式中可以看出，对于一定的霍尔器件，只要通过的电流i恒定不变，便可以通过霍尔器件的测量而间接测定磁场B0。
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