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中文摘要：
为了满足高分辨率重力数据的需求，研究了基于Airy均衡理论构建空间重力异常的理论与方法，指出顾及地形位与均衡位影响的必要性，并详细分析了密度及补偿深度对计算结果的影响，给出了顾及计算效率的取舍建议。针对系统偏差较大的问题，给出了修正方案。某试验区计算结果表明，利用均衡理论构建的空间重力异常在10′分辨率控制点下能够达到10 toGal精度。
英文摘要：
To meet the requirement of high resolution gravity data, the free air gravity anomaly construction method based on the Airy isostatic theory was studied. It was suggested that the terrain and isostatic potential should be taken into account when the computation was taken out. The affection of terrain density error and compensation depth was analyzed in detail and some suggestions were proposed. A set of correcting methods were listed and compared for the systematic correction. An experiment was carried out in the area and results showed that the flee air gravity anomaly precision could be higher than 10 mGal in 10′ resolution control points.
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