|本期目录/Table of Contents|

[1]张源,崔庆谷,黑贺堂,等.基于流动重力控制的gPhone重力仪漂移修正方法研究[J].地震研究,2025,(04):685-692.[doi:10.20015/j.cnki.ISSN1000-0666.2025.0070 ]
　ZHANG Yuan,CUI Qinggu,HEI Hetang,et al.Research on gPhone Gravimeter Drift Correction through Mobile Gravity Data Control[J].Journal of Seismological Research,2025,(04):685-692.[doi:10.20015/j.cnki.ISSN1000-0666.2025.0070 ]
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基于流动重力控制的gPhone重力仪漂移修正方法研究(PDF/HTML)

《地震研究》[ISSN:1000-0666/CN:53-1062/P]

卷:
期数:
2025年04期
页码:
685-692
栏目:
重力场及其变化观测与地球科学应用专辑
出版日期:
2025-05-01

文章信息/Info

Title:
Research on gPhone Gravimeter Drift Correction through Mobile Gravity Data Control
作者:
张源1; 3; 崔庆谷2; 黑贺堂1; 黄江培2; 周文敏2; 字承柱1; 陈阳2
(1.云南省地震局 下关地震监测中心站,云南 大理 671000; 2.云南省地震局,云南 昆明 650224; 3.云南大理滇西北地壳构造活动中国地震局野外科学观测研究站,云南 大理 671000)
Author(s):
ZHANG Yuan1; 2; CUI Qinggu2; HEI Hetang1; HUANG Jiangpei2; ZHOU Wenmin2; ZI Chengzhu1; CHEN Yang2
(1.Xiaguan Earthquake Monitoring Center Station of Yunnan Earthquake Agency,Dali 671000,Yunnan,China)(2.Yunnan Earthquake Agency,Kunming 650224,Yunnan,China)(3.Northwestern Yunnan Crustal Tectonics Observatory of CEA,Dali 671000,Yunnan,China)
关键词:
gPhone连续重力仪;  流动重力;  多项式;  小波滤波;  漂移修正
Keywords:
continuous gravimeter gPhone;  mobile gravity measurement;  polynomials;  wavelet filtering;  drift correction
分类号:
P315.62
DOI:
10.20015/j.cnki.ISSN1000-0666.2025.0070
摘要:
针对gPhone连续重力仪漂移修正困难的情况,收集2019年1月—2024年5月云龙地震台gPhone连续重力仪观测数据,采用流动重力数据控制的方法进行漂移修正,并与目前常用的小波滤波和多项式拟合修正方法进行比较,修正后的结果显示:① 5.4 a累计变化量从约1 374×10-8 m/s2降至69×10-8 m/s2; ②漂移修正结果与5阶多项式修正结果相似; ③模型评价结果优于其他2种方法; ④残差分布与5阶多项式修正结果接近。
Abstract:
It is difficult to correct the drift of the data produced by the continuous gravimeter,gPhone.To solve this problem,we collect the data measured by gPhone at Yunlong Station from January 2019 to May 2024,and do the drift correction through mobile gravity data control.Then we compare the de-drifted data with the data corrected with the wavelet filtering method and the polynomial fitting method.We find that after drift correction through mobile gravity data control,the gravity data's cumulative change in 5.4 years decreases from about 1 374 × 10-8 m/s2 to 69 × 10-8 m/s2.The de-drifted data are similar to the corrected data processed through 5th-order polynomial of the wavelet filtering method.The residual distribution through mobile gravity data control is close to the one of the data processed through 5th-order polynomial correction of the wavelet filtering method.The method of the drift correction through mobile gravity data control is evaluated to be superior to the other two methods.The drift correction method we proposed is practical,and it is a new approach for the drift correction of the continuous gravity data.

参考文献/References:


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备注/Memo

备注/Memo:
收稿日期:2024-11-07. 基金项目:云南省地震局科技项目(CQ2-2023-08); 国家自然科学基金(41874111); 云南省地震局科技专项(2024ZX03).
第一作者简介:张 源(1981-),工程师,主要从事地震监测、前兆数据处理及形变资料应用研究.E-mail:371255488@qq.com.
通信作者简介:崔庆谷(1967-),正研级高级工程师,博士,主要从事地震观测研究.E-mail:3055366968@qq.com.
更新日期/Last Update: 2025-05-01