Method for designing low-field nuclear magnetic resonance biplanar gradient coil
A low-field nuclear magnetic resonance, gradient coil technology, applied in magnetic resonance measurement, computer-aided design, design optimization/simulation, etc., to achieve the effect of simple derivation and solving the problem of limited size coils
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[0014] The present invention will be described in further detail below in conjunction with the accompanying drawings.
[0015] All the embodiments listed below are designed with the following parameters: the gradient coil maximum radius is ρ m =42mm, the minimum radius is ρ 0 =1mm, the distance from the plane of the gradient coil to the origin a=23mm, the magnetic field gradient value G i =25mTm -1 , i=x, y, z. In theory, the larger the Q value, the better the linearity, but the larger the calculation amount, the greater the efficiency and impedance of the coil. Finally, Q=3, and the number of coil turns N=16.
[0016] Such as figure 1 — Figure 5 Shown, a kind of method for low-field nuclear magnetic resonance biplane type gradient coil design is characterized in that, comprises the following steps:
[0017] (1) Given the preset condition of the planar gradient coil and the size of the plane, the preset condition includes the area range of the gradient coil, the gradien...
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