并对匀场电源、匀场线圈的精度和稳定性等要求作了估算。
The precision and stability required for the coil power supplies, coil positions and dimensions are also evaluated.
实验与计算结果表明，改进后的方法能够快速有效地完成匀场过程。
The results of experiment and computation indicate that the shimming process can be completed effectually by the reformative method.
本文对高匀场磁体的轴向和径向校正线圈的设计方法进行了讨论。
A design method of axial and radial shim coils for highly homogeneous field magnets is presented.
针对永磁型MRI系统设计了一种平板式匀场线圈，用以改善成像区的磁场均匀性。
A set of tabulate shim coils is designed to improve the homogeneity of the imaging field for permanent magnet MRI (Magnetic Resonance imaging) system.
通过对Z轴磁场梯度和匀场线圈电流的多项式拟合，以获得磁场不均匀而引起的相位分布。
The phase mapping method of a field inhomogeneity based on an Z axis pulse field gradient and polynomial fitting procedures of the axial shimming coil currents were described.
该方法不仅简化了具有多重强峰时匀场最优化过程，而且能够扩展到包括非轴向的三维自动匀场。
This method proposed herein greatly simplifies the shim optimization and is readily to be extended to three dimensions to include off- axis shimming.
通过磁体的测试，可知磁体的均匀度、磁场场强的温度稳定性、磁体的总体稳定性良好，完全可以给核磁共振全直径岩心分析仪营造一个合适的匀场环境。
By testing, homogeneity of magnetic field, magnet stability in temperature, integral stability is good. Magnet can create a proper a uniformity region for NMR core analyzer.
针对激光系统对光束匀滑的需求，设计了高斯型连续相位板，并对其远场特性进行了研究。
According to the requirement of beam smoothing in laser systems, the continuous phase plate with Gaussian distribution is designed.
正交波罗棱镜腔存在腔内振荡光束线偏振运行条件，匀化了内腔OPO的抽运光光场。
A linear polarized-oscillating condition exists in the resonator, and the field of the pump laser for the OPO can be homogenized.
本文分析了带电粒子在匀强电场、匀强磁场、复合场中的运动。
The motion of charged particle in uniform electrical field, uniform magnetic field and complex field is analysed in this paper.
本文分析了带电粒子在匀强电场、匀强磁场、复合场中的运动。
The gauge invariance of a charged particle motion in uniform magnetic field;
本文分析了带电粒子在匀强电场、匀强磁场、复合场中的运动。
The gauge invariance of a charged particle motion in uniform magnetic field;
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