Numerical algorithm suitable for calculating VRMS uniformity of magnetic field
A uniformity and magnetic field technology, which is applied in the field of simulation and design of MRI system components, can solve the problems that the uniformity of the imaging area cannot be described and the difference is large, and achieve the effect of high application range and high calculation accuracy
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[0019] The present invention will be further described below in conjunction with the accompanying drawings. The following examples are only used to illustrate the technical solution of the present invention more clearly, but not to limit the protection scope of the present invention.
[0020] This application is supported by the Youth Fund Project of the Natural Science Foundation of Jiangsu Province (Project Approval No.: BK20130854).
[0021] In the prior art, the traditional peak-to-peak uniformity is basically used to measure the uniformity of the magnetic field generated by the MRI main magnet. The following example is used to illustrate. First, a superconducting magnet coil is designed, and then the magnetic field uniformity distribution generated by the coil in space is calculated. . The coil design requirement is that the peak-to-peak uniformity in the spherical imaging space of 45cm DSV is 6ppm, and the sampling points are 24 Gaussian distribution points on the spher...
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