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本文介绍一台测量磁四极透镜的磁中心和各次谐波的测试仪器和设备。它是采用旋转长线圈的方法来测量四极透镜孔径内场形分布,测量线圈长500 mm,线圈的旋转速度为
This article describes a measuring magnetic quadrupole magnetic center and each harmonic test equipment and equipment. It is the use of long rotating coil method to measure the quadrupole lens aperture field distribution, measuring coil length 500 mm, the coil speed of rotation