介绍了脉冲线测量插入件磁场一二次积分的原理和测量装置的组成, 分析了重力、噪声和反射波等因素对测量精度的影响, 并采用对称安装金属线、夜间测量、油滴吸收反射波等方法减小了这些因素对测量的影响。脉冲线测量系统的测量结果与霍尔点测法相比符合得较好。利用该装置对实验室即将投入应用的电磁型圆极化波荡器进行了测量, 验证了校正线圈和主线圈电流之间的关系。

The theory and the devices of the pulsed wire magnetic measurement system are described. And the effects on the measurement accuracy of wire gravity, noise and reflected signal are theoretically analyzed. Some methods such as symmetric wire mounting, night measuring and low-noise circuit design are proposed for optimizing various components of the device to reduce the effects. The results of magnetic measurement of the pulsed wire system are compared with Hall probe method. It is applied to measure a practical electromagnetic undulator to be put to use in NSRL and verify the current relationship between the correction coils and main coils．