人工子午线是民用飞机适航性标准中磁影响试验的设备。介绍了正方形结构的人工子午线,并分析了磁感应强度与结构参数的关系,最后详细叙述了调整人工子午线位置的几个步骤。 Artificial meridian is a civil aircraft airworthiness standards magnetic impact test equipment. The artificial meridian with square structure was introduced. The relationship between magnetic induction intensity and structural parameters was analyzed. Finally, several steps to adjust the position of artificial meridian were described in detail.