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为了获得精准的磁场测量数据,基于磁探针测量磁场的基本原理,构建了由长螺线管、交流电源、标准探针和数据采集系统组成的长螺线管标定系统,对EAST磁探针垂直于磁感应强度方向的总有效面积(NS值)进行了精确的标定,并对标定数据进行了分析处理。获得的结果符合预期的误差要求,为磁探针精确测量托卡马克中的磁场提供了前提条件。
In order to obtain accurate magnetic field measurement data, a long solenoid calibration system consisting of a long solenoid, an AC power supply, a standard probe and a data acquisition system is constructed based on the principle of the magnetic probe for measuring the magnetic field. The EAST magnetic probe The total effective area (NS value) perpendicular to the direction of magnetic induction is accurately calibrated and the calibration data are analyzed and processed. The results obtained met the expected error requirements and provided the prerequisites for the magnetic probe to accurately measure the magnetic field in the tokamak.