基于SQUID平面梯度计的航磁测量技术是目前国际上直接测量全张量磁梯度的最优方法，具有灵敏度高、信息量丰富、定位精度高等优点，已经展现出良好的应用前景。SQUID平面梯度计运动噪声是超导航磁测量面临的最关键问题。对此，本课题拟开展其机理研究。通过研究梯度接收线圈磁通运动、气压变化引起的SQUID本征特性变化及SQUID平面梯度计振动模态，从SQUID平面梯度计组成部分及整体结构方面全面解析运动噪声的主要影响因素和机理。通过本项研究，可以为高质量SQUID平面梯度计的设计制备、运动噪声抑制及航磁测量技术的发展奠定理论和实验基础。

The planar SQUID gradiometer based airborne magnetic measurement is presently regarded as the superior method for direct measurements of the magnetic full-tensor gradient fields, which has shown good potential for applications. It has advantages of high sensitivity, rich information, precise location etc. As the most critical issue of the superconducting airborne magnetic measurement, the mobile noise mechanism of planar SQUID gradiometer will be studied. From the components to the overall structure, the flux motion of the pick-up coil, the SQUID intrinsic characteristic with the air pressure and the vibration mode of planar SQUID gradiometer will be studied. By analyzing the above three main factors, the mobile noise mechanism will be indicated. This study will lay the theoretical and experimental foundation for the design, fabrication and mobile noise suppression of the planar SQUID gradiometer, as well as its development in the airborne magnetic measurements.