三轴惯性平台式航空重力仪机载重力测量试验研究

Airborne Gravity Survey Experiments of the Three-axis Inertial Platform Gravimeter

介绍了自主研制的GIPS-1A三轴惯性平台式航空重力仪的组成、工作流程及技术指标,并给出了机载重力测量试验系统的集成方法和数据处理方法。经实际机载航空重力重复线精度测试和试生产测试,重复线内符合精度优于0.6mGal@0.01Hz;与国际上性能优异的GT-2A重力仪相比,重复线符合度好,试生产交叉点总精度相当,且异常形态吻合度也很好。实验结果表明,GIPS-1A重力仪达到了国际上先进仪器的精度水平,并且在风扰适应性、体积、质量等方面表现突出,可满足实际工程应用需求。

This paper introduces the composition,working process and technical specifications of the independently developed GIPS-1A three-axis inertial platform airborne gravimeter.The integration method and data processing method of the airborne gravity survey experimental system are given.Through the actual airborne gravity repeated line accuracy test and trial production test,the coincidence accuracy in the repeated line is better than 0.6mGal@0.01Hz.Comparing with the GT-2A gravimeter with excellent performance,the GIPS-1A has good coincidence degree of repea-ted line,the total accuracy of trial production intersection is equivalent,and the coincidence degree of abnormal shapes is good.The experimental results show that GIPS-1A gravimeter has reached the accuracy level of international advanced imported instruments,and has outstanding perfor-mance in terms of wind disturbance adaptability,volume,weight,etc.,which can meet the needs of practical engineering applications.