ZHAI Chenjie; WANG Jing; ZHOU Junjie; WANG Yu; TANG Xiaoming; ZHOU Yin; ZHANG Can; LI Rui; SHU Qing; WANG Kainan; WANG Shuangquan; JIN Zixing; HUA Shan; SUN Yiren; WANG Zhenghao; MA Zhixiang; CAI Minghao; WANG Xiaolong; WU Bin; LIN Qiang

doi:10.7498/aps.74.20241621

Abstract

High-precision gravity field mapping plays a critical role in geological survey, resource exploration, and geoid modeling. The traditional ground-based static absolute gravity measurements possess high accuracy, but they are fundamentally constrained by low operational efficiency and inability to survey complex terrains such as river networks, lakes, and mountainous regions. This study tries to address these limitations through the development of an airborne absolute gravity measurement system based on quantum gravimeters. At a flight altitude of 1022 m and a speed of 240 km/h of the airplane, after a filtering process of 3 km, the measured gravity value shows a standard deviation of approximately 8.86 mGal. Furthermore, a comparative analysis with the EGM2008 gravity model shows a residual standard deviation of 8.16 mGal, validating the consistency of the system with established geophysical references. The experimental results confirm the operational feasibility of quantum gravimeters in scenarios of airborne dynamic measurement, demonstrating the viability of this technological framework for high-resolution gravity field mapping.

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Corresponding author: WANG Xiaolong, xlwang@zjut.edu.cn ; WU Bin, wubin@zjut.edu.cn ; LIN Qiang, qlin@zju.edu.cn

Funds: Project supported by the National Key Research and Development Program of China (Grant No. 2023YFC2907000) and the National Natural Science Foundation of China (Grant No. U2341246).

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噪声来源引起的重力值偏差/mGal

振动噪声 >10³

Eötvös效应 0—37

惯性稳定平台姿态
控制残余噪声 ≈10^–3

飞行高度变化 0—0.8

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Vol. 74, Issue 7 - 2025-04-05

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噪声来源	引起的重力值偏差/mGal
振动噪声	>10³
Eötvös效应	0—37
惯性稳定平台姿态控制残余噪声	≈10^–3
飞行高度变化	0—0.8

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Corresponding author: WANG Xiaolong, xlwang@zjut.edu.cn ; WU Bin, wubin@zjut.edu.cn ; LIN Qiang, qlin@zju.edu.cn

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